=> Bootstrap dependency digest>=20211023: found digest-20220214
WARNING: [license.mk] Every package should define a LICENSE.
===> Building for icewm-imlib-1.2.38pre2nb2
gmake[1]: Entering directory '/Users/pbulk/build/wm/icewm-imlib/work/icewm-1.2.38pre2/src'
  CXX      ymsgbox.o
In file included from ymsgbox.cc:13:
In file included from ./ymsgbox.h:4:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymsgbox.cc:13:
In file included from ./ymsgbox.h:4:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymsgbox.cc:13:
In file included from ./ymsgbox.h:4:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymsgbox.cc:13:
In file included from ./ymsgbox.h:4:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      ydialog.o
In file included from ydialog.cc:13:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ydialog.cc:13:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ydialog.cc:13:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ydialog.cc:13:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ydialog.cc:37:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fGradient = null;
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ydialog.cc:46:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (dialogbackPixbuf != null
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ydialog.cc:47:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        && !(fGradient != null &&
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ydialog.cc:55:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fGradient != null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ydialog.cc:59:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (dialogbackPixmap != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ydialog.cc:67:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
10 warnings generated.
  CXX      yurl.o
  CXX      wmsession.o
In file included from wmsession.cc:14:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmsession.cc:14:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmsession.cc:14:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmsession.cc:14:
In file included from ./wmframe.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      wmwinlist.o
In file included from wmwinlist.cc:10:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmwinlist.cc:10:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmwinlist.cc:10:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmwinlist.cc:11:
In file included from ./wmwinlist.h:6:
In file included from ./wmclient.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmwinlist.cc:150:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
5 warnings generated.
  CXX      wmtaskbar.o
In file included from wmtaskbar.cc:14:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmtaskbar.cc:14:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmtaskbar.cc:14:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmtaskbar.cc:15:
In file included from ./wmtaskbar.h:5:
In file included from ./ybutton.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:90:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (startImage == null || !startImage->valid())
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:92:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (startImage == null || !startImage->valid())
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:94:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (startImage == null || !startImage->valid())
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:96:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (startImage == null || !startImage->valid())
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:105:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (taskbackPixbuf == null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:107:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (taskbuttonPixbuf == null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:109:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (taskbuttonactivePixbuf == null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:111:38: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (taskbuttonminimizedPixbuf == null)
                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:345:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    taskbackPixmap = null;
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:346:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    taskbuttonPixmap = null;
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:347:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    taskbuttonactivePixmap = null;
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:348:33: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    taskbuttonminimizedPixmap = null;
                                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:356:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    startImage = null;
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:357:20: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    windowsImage = null;
                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:358:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    showDesktopImage = null;;
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:360:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    mailPixmap = null;
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:361:20: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    noMailPixmap = null;
                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:362:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    errMailPixmap = null;
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:363:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    unreadMailPixmap = null;
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:364:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    newMailPixmap = null;
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:367:16: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    PixSpace = null;
               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:368:16: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    PixSlash = null;
               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:369:14: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    PixDot = null;
             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:370:12: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    PixA = null;
           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:371:12: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    PixP = null;
           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:372:12: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    PixM = null;
           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:373:16: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    PixColon = null;
               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:375:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        PixNum[n] = null;
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:911:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (taskbackPixbuf != null &&
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:912:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        !(fGradient != null &&
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:924:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fGradient != null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtaskbar.cc:928:31: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskbackPixmap != null)
                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
36 warnings generated.
  CXX      wmwinmenu.o
In file included from wmwinmenu.cc:12:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmwinmenu.cc:12:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmwinmenu.cc:12:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmwinmenu.cc:12:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      wmdialog.o
In file included from wmdialog.cc:11:
In file included from ./wmdialog.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmdialog.cc:11:
In file included from ./wmdialog.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmdialog.cc:11:
In file included from ./wmdialog.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmdialog.cc:11:
In file included from ./wmdialog.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmdialog.cc:209:16: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
    KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
               ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
5 warnings generated.
  CXX      wmabout.o
In file included from wmabout.cc:12:
In file included from ./wmabout.h:4:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmabout.cc:12:
In file included from ./wmabout.h:4:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmabout.cc:12:
In file included from ./wmabout.h:4:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmabout.cc:12:
In file included from ./wmabout.h:4:
In file included from ./ydialog.h:4:
In file included from ./wmclient.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      wmswitch.o
In file included from wmswitch.cc:12:
In file included from ./wmswitch.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmswitch.cc:12:
In file included from ./wmswitch.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmswitch.cc:12:
In file included from ./wmswitch.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmswitch.cc:12:
In file included from ./wmswitch.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:41:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (switchFont == null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:73:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fGradient = null;
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:164:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (switchbackPixbuf != null &&
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:165:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        !(fGradient != null &&
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:177:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fGradient != null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:181:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (switchbackPixmap != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:201:80: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (quickSwitchHugeIcon && fActiveWindow->clientIcon()->huge() != null)
                                                                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:205:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (icon != null) {
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:305:65: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                                 frame->clientIcon()->huge() != null)
                                                                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:309:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                            if (icon != null)
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:315:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                            if (icon != null)
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:366:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (icon != null) {
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmswitch.cc:687:16: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
    KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
               ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
wmswitch.cc:721:16: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
    KeySym k = XKeycodeToKeysym(xapp->display(), c, 0);
               ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
18 warnings generated.
  CXX      wmstatus.o
In file included from wmstatus.cc:12:
In file included from ./wmstatus.h:6:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmstatus.cc:12:
In file included from ./wmstatus.h:6:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmstatus.cc:12:
In file included from ./wmstatus.h:6:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmstatus.cc:12:
In file included from ./wmstatus.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmstatus.cc:44:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (statusFont == null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmstatus.cc:64:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (switchbackPixmap != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
6 warnings generated.
  CXX      wmoption.o
In file included from wmoption.cc:11:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmoption.cc:11:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmoption.cc:11:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmoption.cc:11:
In file included from ./wmframe.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      wmaction.o
  CXX      wmcontainer.o
In file included from wmcontainer.cc:9:
In file included from ./wmcontainer.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmcontainer.cc:9:
In file included from ./wmcontainer.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmcontainer.cc:9:
In file included from ./wmcontainer.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmcontainer.cc:9:
In file included from ./wmcontainer.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      wmclient.o
In file included from wmclient.cc:8:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmclient.cc:8:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmclient.cc:8:
In file included from ./wmclient.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmclient.cc:8:
In file included from ./wmclient.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      wmmgr.o
In file included from wmmgr.cc:8:
In file included from ./wmmgr.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmmgr.cc:8:
In file included from ./wmmgr.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmmgr.cc:8:
In file included from ./wmmgr.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmmgr.cc:8:
In file included from ./wmmgr.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmmgr.cc:502:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
wmmgr.cc:520:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
6 warnings generated.
  CXX      wmapp.o
In file included from wmapp.cc:10:
In file included from ./atray.h:13:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmapp.cc:10:
In file included from ./atray.h:13:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmapp.cc:10:
In file included from ./atray.h:13:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmapp.cc:10:
In file included from ./atray.h:13:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:411:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (pixbuf == null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:544:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameT[0][0] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:546:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameL[0][0] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:548:47: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT( rgbFrameR[0][0] == null))
                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:550:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameB[0][0] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:552:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameT[0][1] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:554:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameL[0][1] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:556:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameR[0][1] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:558:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameB[0][1] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:561:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameT[1][0] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:563:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameL[1][0] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:565:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameR[1][0] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:567:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameB[1][0] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:569:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameT[1][1] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:571:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameL[1][1] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:573:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameR[1][1] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:575:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (TEST_GRADIENT(rgbFrameB[1][1] == null))
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:611:37: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (frameT[a][b] != null)
                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:613:37: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (frameB[a][b] != null)
                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:615:37: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (frameL[a][b] != null)
                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:617:37: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (frameR[a][b] != null)
                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:620:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (titleS[a] != null)
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:622:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (titleT[a] != null)
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:624:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (titleB[a] != null)
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:635:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (depthPixmap[0]==null)       depthPixmap[0] = paths.loadPixmap(0, "depth.xpm");
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:636:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (closePixmap[0]==null)       closePixmap[0] = paths.loadPixmap(0, "close.xpm");
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:637:28: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (maximizePixmap[0]==null)    maximizePixmap[0] = paths.loadPixmap(0, "maximize.xpm");
                           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:638:28: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (minimizePixmap[0]==null)    minimizePixmap[0] = paths.loadPixmap(0, "minimize.xpm");
                           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:639:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (restorePixmap[0]==null)     restorePixmap[0] = paths.loadPixmap(0, "restore.xpm");
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:640:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (hidePixmap[0]==null)        hidePixmap[0] = paths.loadPixmap(0, "hide.xpm");
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:641:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (rollupPixmap[0]==null)      rollupPixmap[0] = paths.loadPixmap(0, "rollup.xpm");
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:642:28: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (rolldownPixmap[0]==null)    rolldownPixmap[0] = paths.loadPixmap(0, "rolldown.xpm");
                           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:644:39: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(logoutPixbuf == null))
                                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:646:43: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(switchbackPixbuf == null))
                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:648:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(menubackPixbuf == null))
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:650:40: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(menuselPixbuf == null))
                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:652:40: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(menusepPixbuf == null))
                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:656:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(listbackPixbuf == null) &&
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:657:65: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        (listbackPixmap = paths.loadPixmap(0, "listbg.xpm")) == null)
                                                                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:660:43: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(dialogbackPixbuf == null) &&
                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:661:69: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        (dialogbackPixmap = paths.loadPixmap(0, "dialogbg.xpm")) == null)
                                                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:663:40: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(buttonIPixbuf == null) &&
                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:664:65: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        (buttonIPixmap = paths.loadPixmap(0, "buttonI.xpm")) == null)
                                                                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:666:40: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(buttonAPixbuf == null) &&
                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:667:65: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        (buttonAPixmap = paths.loadPixmap(0, "buttonA.xpm")) == null)
                                                                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:671:43: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(toolbuttonPixbuf == null) &&
                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:673:63: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
         paths.loadPixmap("taskbar/", "toolbuttonbg.xpm")) == null)
                                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:675:47: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        IF_CONFIG_GRADIENTS (buttonIPixbuf != null,
                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:32:45: note: expanded from macro 'IF_CONFIG_GRADIENTS'
#define IF_CONFIG_GRADIENTS(Cond, Stmt) if (Cond) { Stmt; }
                                            ^~~~
wmapp.cc:679:48: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(workspacebuttonPixbuf == null) &&
                                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:681:68: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
         paths.loadPixmap("taskbar/", "workspacebuttonbg.xpm")) == null)
                                                                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:683:47: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        IF_CONFIG_GRADIENTS (buttonIPixbuf != null,
                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:32:45: note: expanded from macro 'IF_CONFIG_GRADIENTS'
#define IF_CONFIG_GRADIENTS(Cond, Stmt) if (Cond) { Stmt; }
                                            ^~~~
wmapp.cc:687:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (TEST_GRADIENT(workspacebuttonactivePixbuf == null) &&
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmapp.cc:689:72: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
         paths.loadPixmap("taskbar/", "workspacebuttonactive.xpm")) == null)
                                                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:691:47: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        IF_CONFIG_GRADIENTS (buttonAPixbuf != null,
                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:32:45: note: expanded from macro 'IF_CONFIG_GRADIENTS'
#define IF_CONFIG_GRADIENTS(Cond, Stmt) if (Cond) { Stmt; }
                                            ^~~~
wmapp.cc:697:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (logoutPixmap != null) {
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:701:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (switchbackPixmap != null) {
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:706:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (menubackPixmap != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:710:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (menusepPixmap != null)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:712:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (menuselPixmap != null)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:716:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (listbackPixmap != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:722:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (dialogbackPixmap != null) {
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:727:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (buttonIPixmap != null)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:729:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (buttonAPixmap != null)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1401:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    closePixmap[0] = null;
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1402:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    depthPixmap[0] = null;
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1403:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    minimizePixmap[0] = null;
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1404:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    maximizePixmap[0] = null;
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1405:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    restorePixmap[0] = null;
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1406:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    hidePixmap[0] = null;
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1407:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    rollupPixmap[0] = null;
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1408:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    rolldownPixmap[0] = null;
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1409:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    menubackPixmap = null;
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1410:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    menuselPixmap = null;
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1411:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    menusepPixmap = null;
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1412:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    switchbackPixmap = null;
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1413:20: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    logoutPixmap = null;
                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1416:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    menubackPixbuf = null;
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1417:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    menuselPixbuf = null;
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1418:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    menusepPixbuf = null;
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1423:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        taskbuttonactivePixmap = null;
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1424:37: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        taskbuttonminimizedPixmap = null;
                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmapp.cc:1492:21: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k1 = XKeycodeToKeysym(xapp->display(), (KeyCode)xev.xkey.keycode, 0);
                    ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
wmapp.cc:1494:21: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k2 = XKeycodeToKeysym(xapp->display(), (KeyCode)lastKeyEvent.xkey.keycode, 0);
                    ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
87 warnings generated.
  CXX      wmframe.o
In file included from wmframe.cc:9:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmframe.cc:9:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmframe.cc:9:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmframe.cc:9:
In file included from ./wmframe.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1967:21: warning: add explicit braces to avoid dangling else [-Wdangling-else]
                    else g.drawGradient(rgbFrameT[t][n],
                    ^
wmframe.cc:1975:21: warning: add explicit braces to avoid dangling else [-Wdangling-else]
                    else g.drawGradient(rgbFrameL[t][n],
                    ^
wmframe.cc:1983:21: warning: add explicit braces to avoid dangling else [-Wdangling-else]
                    else g.drawGradient(rgbFrameR[t][n],
                    ^
wmframe.cc:1992:21: warning: add explicit braces to avoid dangling else [-Wdangling-else]
                    else g.drawGradient(rgbFrameB[t][n],
                    ^
wmframe.cc:1923:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if ((frameT[t][n] != null || TEST_GRADIENT(rgbFrameT[t][n] != null)) &&
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1923:75: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if ((frameT[t][n] != null || TEST_GRADIENT(rgbFrameT[t][n] != null)) &&
                                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmframe.cc:1924:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameL[t][n] != null || TEST_GRADIENT(rgbFrameL[t][n] != null)) &&
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1924:75: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameL[t][n] != null || TEST_GRADIENT(rgbFrameL[t][n] != null)) &&
                                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmframe.cc:1925:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameR[t][n] != null || TEST_GRADIENT(rgbFrameR[t][n] != null)) &&
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1925:75: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameR[t][n] != null || TEST_GRADIENT(rgbFrameR[t][n] != null)) &&
                                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmframe.cc:1926:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameB[t][n] != null || TEST_GRADIENT(rgbFrameB[t][n] != null)) &&
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1926:75: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameB[t][n] != null || TEST_GRADIENT(rgbFrameB[t][n] != null)) &&
                                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
./ypaint.h:31:30: note: expanded from macro 'TEST_GRADIENT'
#define TEST_GRADIENT(Cond) (Cond)
                             ^~~~
wmframe.cc:1927:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                frameTL[t][n] != null && frameTR[t][n] != null &&
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1927:59: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                frameTL[t][n] != null && frameTR[t][n] != null &&
                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1928:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                frameBL[t][n] != null && frameBR[t][n] != null) {
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1928:59: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                frameBL[t][n] != null && frameBR[t][n] != null) {
                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1964:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if (frameT[t][n] != null) g.repHorz(frameT[t][n],
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1972:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if (frameL[t][n] != null) g.repVert(frameL[t][n],
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1980:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if (frameR[t][n] != null) g.repVert(frameR[t][n],
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:1989:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if (frameB[t][n] != null) g.repHorz(frameB[t][n],
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2317:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    ref<YIconImage> small = null;
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2318:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    ref<YIconImage> large = null;
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2319:28: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    ref<YIconImage> huge = null;
                           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2377:19: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            img = null;
                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2412:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    return (small != null || large != null || huge != null ? new YIcon(small, large, huge) : 0);
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2412:39: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    return (small != null || large != null || huge != null ? new YIcon(small, large, huge) : 0);
                                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2412:55: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    return (small != null || large != null || huge != null ? new YIcon(small, large, huge) : 0);
                                                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2457:48: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fFrameIcon && !(fFrameIcon->small() != null || fFrameIcon->large() != null)) {
                                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmframe.cc:2457:79: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fFrameIcon && !(fFrameIcon->small() != null || fFrameIcon->large() != null)) {
                                                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
33 warnings generated.
  CXX      wmbutton.o
In file included from wmbutton.cc:10:
In file included from ./wmbutton.h:4:
In file included from ./yactionbutton.h:4:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmbutton.cc:10:
In file included from ./wmbutton.h:4:
In file included from ./yactionbutton.h:4:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmbutton.cc:10:
In file included from ./wmbutton.h:4:
In file included from ./yactionbutton.h:4:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmbutton.cc:10:
In file included from ./wmbutton.h:4:
In file included from ./yactionbutton.h:4:
In file included from ./ybutton.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:132:16: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return null;
               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:158:45: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        getFrame()->clientIcon()->small() : null;
                                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:162:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (pixmap==null) pixmap=getImage(0); 
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:175:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (icon != null && showFrameIcon)
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:181:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (pixmap != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:224:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (icon != null && showFrameIcon)
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:228:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (pixmap != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:247:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (icon != null && showFrameIcon)
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:256:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (pixmap != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:267:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (pixmap != null) {
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:268:33: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if ( getImage(1) != null ) {
                                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmbutton.cc:285:37: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fAction == 0 && icon != null && showFrameIcon)
                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
16 warnings generated.
  CXX      wmminiicon.o
In file included from wmminiicon.cc:11:
In file included from ./wmminiicon.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmminiicon.cc:11:
In file included from ./wmminiicon.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmminiicon.cc:11:
In file included from ./wmminiicon.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmminiicon.cc:11:
In file included from ./wmminiicon.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmminiicon.cc:28:32: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (minimizedWindowFont == null)
                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmminiicon.cc:75:74: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (getFrame()->clientIcon() && getFrame()->clientIcon()->small() != null) {
                                                                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmminiicon.cc:88:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (font != null) {
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
7 warnings generated.
  CXX      wmtitle.o
In file included from wmtitle.cc:9:
In file included from ./wmtitle.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmtitle.cc:9:
In file included from ./wmtitle.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmtitle.cc:9:
In file included from ./wmtitle.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmtitle.cc:9:
In file included from ./wmtitle.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:49:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (titleFont == null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:282:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleL[pi] != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:287:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleR[pi] != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:292:43: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        int lLeft(onLeft + (titleP[pi] != null ? (int)titleP[pi]->width() : 0)),
                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:293:45: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            lRight(onRight - (titleM[pi] != null ? (int)titleM[pi]->width() : 0));
                                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:304:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (rgbTitleT[pi] != null) {
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:312:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (titleT[pi] != null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:318:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleP[pi] != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:322:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleM[pi] != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:329:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (rgbTitleS[pi] != null) {
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:336:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (titleS[pi] != null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:343:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (rgbTitleB[pi] != null) {
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:353:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (titleB[pi] != null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:359:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleJ[pi] != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:361:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleQ[pi] != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:400:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if (pixmap != null && b->getImage(1) != null ) { 
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:400:61: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if (pixmap != null && b->getImage(1) != null ) { 
                                                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:417:36: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if ( pixmap != null && b->getImage(1) != null ) {
                                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:417:62: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if ( pixmap != null && b->getImage(1) != null ) {
                                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:437:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleL[pi] != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:442:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleR[pi] != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:447:43: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        int lLeft(onLeft + (titleP[pi] != null ? (int)titleP[pi]->width() : 0)),
                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:448:45: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            lRight(onRight - (titleM[pi] != null ? (int)titleM[pi]->width() : 0));
                                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:457:45: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (lLeft < lRight && titleT[pi] != null)
                                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:462:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleP[pi] != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:466:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleM[pi] != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:471:45: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (onLeft < lLeft && titleS[pi] != null)
                                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:476:47: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (lRight < onRight && titleB[pi] != null)
                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:481:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleJ[pi] != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmtitle.cc:483:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (titleQ[pi] != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
34 warnings generated.
  CXX      movesize.o
In file included from movesize.cc:10:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from movesize.cc:10:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from movesize.cc:10:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from movesize.cc:10:
In file included from ./wmframe.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
movesize.cc:206:16: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
    KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
               ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
movesize.cc:254:16: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
    KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
               ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
movesize.cc:749:24: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
            KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                       ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
7 warnings generated.
  CXX      themes.o
In file included from themes.cc:9:
In file included from ./themes.h:6:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from themes.cc:9:
In file included from ./themes.h:6:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from themes.cc:9:
In file included from ./themes.h:6:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from themes.cc:9:
In file included from ./themes.h:6:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from themes.cc:22:
./ascii.h:1:9: warning: '__ASCII_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
#ifndef __ASCII_H
        ^~~~~~~~~
./ascii.h:2:9: note: '__ASCIIH_' is defined here; did you mean '__ASCII_H'?
#define __ASCIIH_
        ^~~~~~~~~
        __ASCII_H
5 warnings generated.
  CXX      decorate.o
In file included from decorate.cc:8:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from decorate.cc:8:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from decorate.cc:8:
In file included from ./wmframe.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from decorate.cc:8:
In file included from ./wmframe.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:221:40: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        const int xTL(frameTL[t][a] != null ? frameTL[t][a]->width() : 0),
                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:223:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameTR[t][a] != null ? frameTR[t][a]->width() : 0)),
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:224:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            xBL(frameBL[t][a] != null ? frameBL[t][a]->width() : 0),
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:226:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameBR[t][a] != null ? frameBR[t][a]->width() : 0));
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:227:40: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        const int yTL(frameTL[t][a] != null ? frameTL[t][a]->height() : 0),
                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:229:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameBL[t][a] != null ? frameBL[t][a]->height() : 0)),
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:230:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            yTR(frameTR[t][a] != null ? frameTR[t][a]->height() : 0),
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:232:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                (frameBR[t][a] != null ? frameBR[t][a]->height() : 0));
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:234:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (frameTL[t][a] != null) {
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:243:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (frameTR[t][a] != null) {
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:252:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (frameBL[t][a] != null) {
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:261:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (frameBR[t][a] != null) {
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:271:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (frameT[t][a] != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:275:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (frameB[t][a] != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:279:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (frameL[t][a] != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:283:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (frameR[t][a] != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:363:63: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                          showFrameIcon) || b->getImage(0) == null ?
                                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:370:45: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        const unsigned bw(b->getImage(0) != null ? b->getImage(0)->width() : titleY());
                                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:447:32: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        int xPos(titleJ[pi] != null ? titleJ[pi]->width() : 0);
                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
decorate.cc:473:33: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                 (titleQ[pi] != null ? titleQ[pi]->width() : 0));
                                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
24 warnings generated.
  CXX      browse.o
In file included from browse.cc:11:
In file included from ./obj.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from browse.cc:11:
In file included from ./obj.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from browse.cc:11:
In file included from ./obj.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from browse.cc:12:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      wmprog.o
In file included from wmprog.cc:13:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmprog.cc:13:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmprog.cc:13:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmprog.cc:13:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
wmprog.cc:709:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
5 warnings generated.
  CXX      atasks.o
In file included from atasks.cc:7:
In file included from ./atasks.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from atasks.cc:7:
In file included from ./atasks.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from atasks.cc:7:
In file included from ./atasks.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from atasks.cc:7:
In file included from ./atasks.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atasks.cc:196:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (bgGrad != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atasks.cc:200:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (bgPix != null)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atasks.cc:214:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (small != null) {
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atasks.cc:229:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (font != null) {
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atasks.cc:236:52: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (taskBarShowWindowIcons && small != null) {
                                                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atasks.cc:484:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (gradient != null)
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atasks.cc:488:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (taskbackPixmap != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
11 warnings generated.
  CXX      aworkspaces.o
In file included from aworkspaces.cc:6:
In file included from ./aworkspaces.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aworkspaces.cc:6:
In file included from ./aworkspaces.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aworkspaces.cc:6:
In file included from ./aworkspaces.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aworkspaces.cc:6:
In file included from ./aworkspaces.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aworkspaces.cc:109:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (image != null)
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aworkspaces.cc:172:31: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        ? activeButtonFont != null
                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aworkspaces.cc:177:31: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        ? normalButtonFont != null
                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
7 warnings generated.
  CXX      amailbox.o
In file included from amailbox.cc:15:
In file included from ./amailbox.h:6:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from amailbox.cc:15:
In file included from ./amailbox.h:6:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from amailbox.cc:15:
In file included from ./amailbox.h:6:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from amailbox.cc:15:
In file included from ./amailbox.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
amailbox.cc:361:19: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (pixmap == null || pixmap->mask()) {
                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
amailbox.cc:365:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (gradient != null)
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
amailbox.cc:369:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (taskbackPixmap != null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
amailbox.cc:377:19: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (pixmap != null)
                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
8 warnings generated.
  CXX      aclock.o
In file included from aclock.cc:15:
In file included from ./aclock.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aclock.cc:15:
In file included from ./aclock.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aclock.cc:15:
In file included from ./aclock.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aclock.cc:15:
In file included from ./aclock.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aclock.cc:50:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (clockFont == null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aclock.cc:198:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (gradient != null)
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aclock.cc:203:31: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskbackPixmap != null) {
                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aclock.cc:221:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (p != null) {
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aclock.cc:306:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (p != null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aclock.cc:323:14: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (p != null && p->mask()) {
             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
10 warnings generated.
  CXX      acpustatus.o
In file included from acpustatus.cc:22:
In file included from ./wmapp.h:4:
In file included from ./ysmapp.h:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from acpustatus.cc:22:
In file included from ./wmapp.h:4:
In file included from ./ysmapp.h:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from acpustatus.cc:22:
In file included from ./wmapp.h:4:
In file included from ./ysmapp.h:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from acpustatus.cc:22:
In file included from ./wmapp.h:4:
In file included from ./ysmapp.h:4:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      apppstatus.o
In file included from apppstatus.cc:21:
In file included from ./wmtaskbar.h:5:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from apppstatus.cc:21:
In file included from ./wmtaskbar.h:5:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from apppstatus.cc:21:
In file included from ./wmtaskbar.h:5:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from apppstatus.cc:21:
In file included from ./wmtaskbar.h:5:
In file included from ./ybutton.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      aaddressbar.o
In file included from aaddressbar.cc:10:
In file included from ./aaddressbar.h:6:
In file included from ./yinputline.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aaddressbar.cc:10:
In file included from ./aaddressbar.h:6:
In file included from ./yinputline.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aaddressbar.cc:10:
In file included from ./aaddressbar.h:6:
In file included from ./yinputline.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from aaddressbar.cc:10:
In file included from ./aaddressbar.h:6:
In file included from ./yinputline.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
aaddressbar.cc:27:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
5 warnings generated.
  CXX      objbar.o
In file included from objbar.cc:9:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from objbar.cc:9:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from objbar.cc:9:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from objbar.cc:9:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
objbar.cc:46:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (icon && icon->small() != null) {
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
objbar.cc:72:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (gradient != null)
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
objbar.cc:76:31: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskbackPixmap != null)
                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
objbar.cc:117:20: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    return font != null ? font : font =
                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
8 warnings generated.
  CXX      aapm.o
  CXX      atray.o
In file included from atray.cc:21:
In file included from ./atray.h:13:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from atray.cc:21:
In file included from ./atray.h:13:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from atray.cc:21:
In file included from ./atray.h:13:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from atray.cc:21:
In file included from ./atray.h:13:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:121:38: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskMinimizedGradient == null && taskbuttonminimizedPixbuf != null)
                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:121:75: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskMinimizedGradient == null && taskbuttonminimizedPixbuf != null)
                                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:130:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskActiveGradient == null && taskbuttonactivePixbuf != null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:130:69: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskActiveGradient == null && taskbuttonactivePixbuf != null)
                                                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:139:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskNormalGradient == null && taskbuttonPixbuf != null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:139:63: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (taskNormalGradient == null && taskbuttonPixbuf != null)
                                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:154:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (bgGrad != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:158:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (bgPix != null)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:171:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (small != null) g.drawImage(small, 2, 2);
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:385:64: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    ref<YPixbuf> gradient(parent() ? parent()->getGradient() : null);
                                                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:387:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (gradient != null)
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
atray.cc:391:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (taskbackPixmap != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
16 warnings generated.
  CXX      ysmapp.o
In file included from ysmapp.cc:5:
In file included from ./ysmapp.h:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ysmapp.cc:5:
In file included from ./ysmapp.h:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ysmapp.cc:5:
In file included from ./ysmapp.h:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ysmapp.cc:5:
In file included from ./ysmapp.h:4:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      yxtray.o
In file included from yxtray.cc:3:
In file included from ./yxtray.h:4:
In file included from ./yxembed.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxtray.cc:3:
In file included from ./yxtray.h:4:
In file included from ./yxembed.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxtray.cc:3:
In file included from ./yxtray.h:4:
In file included from ./yxembed.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxtray.cc:3:
In file included from ./yxtray.h:4:
In file included from ./yxembed.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      ymenu.o
In file included from ymenu.cc:10:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymenu.cc:10:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymenu.cc:10:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymenu.cc:10:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymenu.cc:19:
./ascii.h:1:9: warning: '__ASCII_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
#ifndef __ASCII_H
        ^~~~~~~~~
./ascii.h:2:9: note: '__ASCIIH_' is defined here; did you mean '__ASCII_H'?
#define __ASCIIH_
        ^~~~~~~~~
        __ASCII_H
ymenu.cc:58:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (menuFont == null)
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:95:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fGradient = null;
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:154:44: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (getItem(selItem)->getIcon() != null &&
                                           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:311:16: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
    KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
               ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
ymenu.cc:455:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (menuFont != null) { // ================ autoscrolling of large menus ===
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:825:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (menubackPixbuf != null
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:826:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        && !(fGradient != null &&
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:860:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fGradient != null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:864:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (menubackPixmap != null)
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:874:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (menusepPixbuf != null) {
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:885:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (menusepPixmap != null) {
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:944:42: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                    if (menuselPixbuf != null) {
                                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:948:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                        if (menuselPixmap != null) {
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenu.cc:1019:48: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                } else if (mitem->getIcon() != null) {
                                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
19 warnings generated.
  CXX      ylabel.o
In file included from ylabel.cc:10:
In file included from ./ylabel.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ylabel.cc:10:
In file included from ./ylabel.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ylabel.cc:10:
In file included from ./ylabel.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ylabel.cc:10:
In file included from ./ylabel.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylabel.cc:23:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (labelFont == null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylabel.cc:40:64: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    ref<YPixbuf> gradient(parent() ? parent()->getGradient() : null);
                                                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylabel.cc:42:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (gradient != null)
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylabel.cc:46:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (dialogbackPixmap != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
8 warnings generated.
  CXX      yscrollview.o
In file included from yscrollview.cc:10:
In file included from ./yscrollview.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yscrollview.cc:10:
In file included from ./yscrollview.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yscrollview.cc:10:
In file included from ./yscrollview.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yscrollview.cc:10:
In file included from ./yscrollview.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      ymenuitem.o
In file included from ymenuitem.cc:8:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymenuitem.cc:8:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymenuitem.cc:8:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ymenuitem.cc:10:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenuitem.cc:26:56: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fHotCharPos(aHotCharPos), fSubmenu(submenu), fIcon(null),
                                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenuitem.cc:48:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fSubmenu(0), fIcon(null), fChecked(false), fEnabled(true) {
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenuitem.cc:53:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fSubmenu(0), fIcon(null), fChecked(false), fEnabled(false) {
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenuitem.cc:84:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (getIcon() != null && getIcon()->height() > ih)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ymenuitem.cc:117:20: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    return icon != null ? icon->width() : 0;
                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
9 warnings generated.
  CXX      yscrollbar.o
In file included from yscrollbar.cc:13:
In file included from ./yscrollbar.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yscrollbar.cc:13:
In file included from ./yscrollbar.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yscrollbar.cc:13:
In file included from ./yscrollbar.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yscrollbar.cc:13:
In file included from ./yscrollbar.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yscrollbar.cc:695:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
5 warnings generated.
  CXX      ybutton.o
In file included from ybutton.cc:9:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ybutton.cc:9:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ybutton.cc:9:
In file included from ./ybutton.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ybutton.cc:9:
In file included from ./ybutton.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ybutton.cc:17:
./ascii.h:1:9: warning: '__ASCII_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
#ifndef __ASCII_H
        ^~~~~~~~~
./ascii.h:2:9: note: '__ASCIIH_' is defined here; did you mean '__ASCII_H'?
#define __ASCIIH_
        ^~~~~~~~~
        __ASCII_H
ybutton.cc:42:12: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fImage(null), fText(NULL),
           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ybutton.cc:51:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (normalButtonFont == null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ybutton.cc:53:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (activeButtonFont == null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ybutton.cc:80:19: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fImage != null)
                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ybutton.cc:200:16: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
    KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
               ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
ybutton.cc:319:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (image != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ybutton.cc:356:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fImage == null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
12 warnings generated.
  CXX      ylistbox.o
In file included from ylistbox.cc:14:
In file included from ./ylistbox.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ylistbox.cc:14:
In file included from ./ylistbox.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ylistbox.cc:14:
In file included from ./ylistbox.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ylistbox.cc:14:
In file included from ./ylistbox.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ylistbox.cc:22:
./ascii.h:1:9: warning: '__ASCII_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
#ifndef __ASCII_H
        ^~~~~~~~~
./ascii.h:2:9: note: '__ASCIIH_' is defined here; did you mean '__ASCII_H'?
#define __ASCIIH_
        ^~~~~~~~~
        __ASCII_H
ylistbox.cc:76:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (listBoxFont == null)
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:114:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fGradient = null;
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:194:36: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                if (listBoxFont != null) {
                                   ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:294:31: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (listbackPixbuf != null
                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:295:31: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            && !(fGradient != null &&
                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:308:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
ylistbox.cc:578:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fGradient != null)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:583:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (listbackPixmap != null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:595:28: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (listBoxFont != null) {
                           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:606:34: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (icon && icon->small() != null)
                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:633:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fGradient != null)
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ylistbox.cc:637:35: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (listbackPixmap != null)
                                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
17 warnings generated.
  CXX      yinput.o
In file included from yinput.cc:10:
In file included from ./yinputline.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yinput.cc:10:
In file included from ./yinputline.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yinput.cc:10:
In file included from ./yinputline.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yinput.cc:10:
In file included from ./yinputline.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yinput.cc:34:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (inputFont == null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yinput.cc:69:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (inputFont != null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yinput.cc:109:48: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (curPos == markPos || !fText || font == null || !fHasFocus) {
                                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yinput.cc:131:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (font != null) {
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yinput.cc:164:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
yinput.cc:179:21: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
                k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 1);
                    ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
yinput.cc:441:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (font != null) {
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yinput.cc:532:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (font != null) {
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
12 warnings generated.
  CXX      wmconfig.o
In file included from wmconfig.cc:18:
In file included from ./wmmgr.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmconfig.cc:18:
In file included from ./wmmgr.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmconfig.cc:18:
In file included from ./wmmgr.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from wmconfig.cc:18:
In file included from ./wmmgr.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      yicon.o
In file included from yicon.cc:9:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yicon.cc:9:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yicon.cc:9:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yicon.cc:15:
In file included from ./wmprog.h:6:
In file included from ./objmenu.h:4:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:33:12: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fSmall(null), fLarge(null), fHuge(null),
           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:33:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fSmall(null), fLarge(null), fHuge(null),
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:33:39: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fSmall(null), fLarge(null), fHuge(null),
                                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:41:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    loadedS(small != null), loadedL(large != null), loadedH(huge != null),
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:41:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    loadedS(small != null), loadedL(large != null), loadedH(huge != null),
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:41:69: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    loadedS(small != null), loadedL(large != null), loadedH(huge != null),
                                                                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:47:13: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fHuge = null;
            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:48:14: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fLarge = null;
             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:49:14: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    fSmall = null;
             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:156:56: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (icon.init(new YIconImage(loadPath)) == null)
                                                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:162:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (icon != null && !icon->valid()) {
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:163:16: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        icon = null;
               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:166:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (icon != null) {
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:174:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fHuge == null && !loadedH) {
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:179:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fHuge == null && large() != null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:179:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fHuge == null && large() != null)
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:182:22: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fHuge == null && small() != null)
                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:182:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fHuge == null && small() != null)
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:201:19: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fLarge == null && !loadedL) {
                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:206:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fLarge == null && huge() != null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:206:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fLarge == null && huge() != null)
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:209:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fLarge == null && small() != null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:209:42: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fLarge == null && small() != null)
                                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:228:19: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fSmall == null && !loadedS) {
                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:233:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fSmall == null && large() != null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:233:42: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fSmall == null && large() != null)
                                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:236:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fSmall == null && huge() != null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:236:41: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (fSmall == null && huge() != null)
                                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:259:32: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        ref<YIconImage> base = null;
                               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:268:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (base == null)
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:270:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (base == null)
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:272:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (base == null)
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yicon.cc:275:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (base != null) {
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
37 warnings generated.
  CXX      ref.o
  CXX      yapp.o
In file included from yapp.cc:7:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yapp.cc:7:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yapp.cc:7:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
3 warnings generated.
  CXX      yxapp.o
In file included from yxapp.cc:3:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxapp.cc:3:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxapp.cc:3:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxapp.cc:3:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yxapp.cc:371:29: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
                KeySym kc = XKeycodeToKeysym(xapp->display(), *c, 0);
                            ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
yxapp.cc:373:26: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
                    kc = XKeycodeToKeysym(xapp->display(), *c, 1);
                         ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
6 warnings generated.
  CXX      ytimer.o
In file included from ytimer.cc:8:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ytimer.cc:8:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ytimer.cc:8:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
3 warnings generated.
  CXX      ywindow.o
In file included from ywindow.cc:9:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ywindow.cc:9:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ywindow.cc:9:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ywindow.cc:9:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ywindow.cc:16:
./ascii.h:1:9: warning: '__ASCII_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
#ifndef __ASCII_H
        ^~~~~~~~~
./ascii.h:2:9: note: '__ASCIIH_' is defined here; did you mean '__ASCII_H'?
#define __ASCIIH_
        ^~~~~~~~~
        __ASCII_H
ywindow.cc:667:19: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (pixmap != null) {
                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ywindow.cc:767:20: warning: 'XKeycodeToKeysym' is deprecated [-Wdeprecated-declarations]
        KeySym k = XKeycodeToKeysym(xapp->display(), (KeyCode)key.keycode, 0);
                   ^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xlib.h:1686:1: note: 'XKeycodeToKeysym' has been explicitly marked deprecated here
_X_DEPRECATED
^
/Users/pbulk/build/wm/icewm-imlib/work/.buildlink/include/X11/Xfuncproto.h:136:40: note: expanded from macro '_X_DEPRECATED'
# define _X_DEPRECATED  __attribute__((deprecated))
                                       ^
7 warnings generated.
  CXX      ypaint.o
In file included from ypaint.cc:9:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypaint.cc:9:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypaint.cc:9:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypaint.cc:11:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaint.cc:376:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fFont != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaint.cc:386:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    int const w = (fFont != null) ? fFont->textWidth(str, len) : 0;
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaint.cc:388:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (fFont == null || w <= maxWidth) {
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaint.cc:463:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            left = (fFont != null) ? fFont->textWidth(str, c) : 0;
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaint.cc:466:31: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            right = (fFont != null) ? fFont->textWidth(str, c) - 1: 0;
                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaint.cc:926:29: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (surface.gradient != null)
                            ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaint.cc:932:23: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
if (surface.pixmap != null)
                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
11 warnings generated.
  CXX      ypopup.o
In file included from ypopup.cc:8:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypopup.cc:8:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypopup.cc:8:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypopup.cc:8:
In file included from ./ymenu.h:4:
In file included from ./ypopup.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      misc.o
misc.cc:314:5: warning: indirection of non-volatile null pointer will be deleted, not trap [-Wnull-dereference]
    *(char *)0 = 0x42;
    ^~~~~~~~~~
misc.cc:314:5: note: consider using __builtin_trap() or qualifying pointer with 'volatile'
1 warning generated.
  CXX      ycursor.o
In file included from ycursor.cc:13:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ycursor.cc:13:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ycursor.cc:13:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ycursor.cc:13:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ycursor.cc:174:39: warning: result of comparison of constant 47 with expression of type 'bool' is always false [-Wtautological-constant-out-of-range-compare]
                if ((c == fgetc(xpm)) == '/') // ------ eat C++ line comment ---
                    ~~~~~~~~~~~~~~~~~ ^  ~~~
5 warnings generated.
  CXX      ysocket.o
In file included from ysocket.cc:9:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ysocket.cc:9:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ysocket.cc:9:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
3 warnings generated.
  CXX      ypaths.o
In file included from ypaths.cc:18:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypaths.cc:18:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypaths.cc:18:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaths.cc:163:59: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    for (YPathElement * pe(fPaths); pe->root && pixmap == null; pe++) {
                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaths.cc:166:63: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (isreg(path) && (pixmap.init(new YPixmap(path)) == null))
                                                              ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaths.cc:185:59: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    for (YPathElement * pe(fPaths); pe->root && pixbuf == null; pe++) {
                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaths.cc:188:74: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (isreg(path) && (pixbuf.init(new YPixbuf(path, fullAlpha)) == null))
                                                                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaths.cc:206:59: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    for (YPathElement * pe(fPaths); pe->root && pixbuf == null; pe++) {
                                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypaths.cc:209:66: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (isreg(path) && (pixbuf.init(new YIconImage(path)) == null))
                                                                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
9 warnings generated.
  CXX      ypixbuf.o
In file included from ypixbuf.cc:36:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypixbuf.cc:36:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypixbuf.cc:36:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypixbuf.cc:36:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ypixbuf.cc:1077:19: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (source != null && source->valid()) {
                  ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
5 warnings generated.
  CXX      ylocale.o
  CXX      yarray.o
  CXX      ypipereader.o
In file included from ypipereader.cc:3:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypipereader.cc:3:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ypipereader.cc:3:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
3 warnings generated.
  CXX      yxembed.o
In file included from yxembed.cc:3:
In file included from ./yxembed.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxembed.cc:3:
In file included from ./yxembed.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxembed.cc:3:
In file included from ./yxembed.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yxembed.cc:3:
In file included from ./yxembed.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      yconfig.o
In file included from yconfig.cc:5:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yconfig.cc:5:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yconfig.cc:5:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
3 warnings generated.
  CXX      yprefs.o
  CXX      yfont.o
In file included from yfont.cc:3:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfont.cc:3:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfont.cc:3:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfont.cc:4:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      yfontcore.o
In file included from yfontcore.cc:5:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfontcore.cc:5:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfontcore.cc:5:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfontcore.cc:9:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontcore.cc:205:55: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (multiByte && font.init(new YFontSet(name)) != null) {
                                                      ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontcore.cc:209:16: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        font = null;
               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontcore.cc:214:43: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (font.init(new YCoreFont(name)) != null) {
                                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontcore.cc:218:16: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        font = null;
               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontcore.cc:221:12: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    return null;
           ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
9 warnings generated.
  CXX      yfontxft.o
In file included from yfontxft.cc:6:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfontxft.cc:6:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfontxft.cc:6:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yfontxft.cc:7:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontxft.cc:269:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (font == null || !font->valid()) {
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontxft.cc:272:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (font == null || !font->valid())
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontxft.cc:280:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (font == null || !font->valid()) {
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
yfontxft.cc:283:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (font == null || !font->valid())
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
8 warnings generated.
  CXX      yimage.o
In file included from yimage.cc:9:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yimage.cc:9:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yimage.cc:9:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from yimage.cc:10:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CXX      ytooltip.o
In file included from ytooltip.cc:7:
In file included from ./ytooltip.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ytooltip.cc:7:
In file included from ./ytooltip.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ytooltip.cc:7:
In file included from ./ytooltip.h:5:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from ytooltip.cc:7:
In file included from ./ytooltip.h:5:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
ytooltip.cc:27:24: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (toolTipFont == null)
                       ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
5 warnings generated.
  LD       icewm
ld: warning: ignoring duplicate libraries: '-lICE', '-lSM', '-lX11', '-lXext', '-liconv', '-ljpeg', '-lz'
  CXX      icesm.o
In file included from icesm.cc:3:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icesm.cc:3:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icesm.cc:3:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icesm.cc:3:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  LD       icewm-session
ld: warning: ignoring duplicate libraries: '-lICE', '-lSM', '-lX11', '-lXext', '-liconv', '-ljpeg', '-lz'
  CXX      icesh.o
  LD       icesh
ld: warning: ignoring duplicate libraries: '-liconv'
  CXX      icewmhint.o
  LD       icewmhint
ld: warning: ignoring duplicate libraries: '-liconv'
  CXX      icewmbg.o
In file included from icewmbg.cc:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icewmbg.cc:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icewmbg.cc:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icewmbg.cc:4:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:115:30: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (defaultBackground == null)
                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:124:16: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return null;
               ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:172:17: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
    if (back != null && (centerBackground || desktopBackgroundScaled)) {
                ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:201:27: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (scaled != null) {
                          ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:204:26: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                scaled = null;
                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:271:21: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (back != null) {
                    ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:306:46: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
                                   tColor) : null;
                                             ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:307:25: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            if (root != null) currentBackground = root;
                        ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
icewmbg.cc:310:42: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
            Pixmap const tPixmap(root != null ? root->pixmap() : bPixmap);
                                         ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
13 warnings generated.
  LD       icewmbg
ld: warning: ignoring duplicate libraries: '-lICE', '-lSM', '-lX11', '-lXext', '-liconv', '-ljpeg', '-lz'
  CXX      icetray.o
In file included from icetray.cc:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icetray.cc:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icetray.cc:4:
In file included from ./yxapp.h:4:
In file included from ./yapp.h:6:
In file included from ./ypaths.h:12:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icetray.cc:4:
In file included from ./yxapp.h:6:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  LD       icewmtray
ld: warning: ignoring duplicate libraries: '-lICE', '-lSM', '-lX11', '-lXext', '-liconv', '-ljpeg', '-lz'
  CXX      icehelp.o
In file included from icehelp.cc:9:
In file included from ./ylistbox.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:210:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icehelp.cc:9:
In file included from ./ylistbox.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:284:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icehelp.cc:9:
In file included from ./ylistbox.h:4:
In file included from ./ywindow.h:4:
./ypaint.h:288:18: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        if (p != null)
                 ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icehelp.cc:9:
In file included from ./ylistbox.h:4:
./ywindow.h:127:54: warning: binding dereferenced null pointer to reference has undefined behavior [-Wnull-dereference]
        return (parent() ? parent()->getGradient() : null); }
                                                     ^~~~
./ref.h:22:15: note: expanded from macro 'null'
#define null (*(class null_ref *)0)
              ^~~~~~~~~~~~~~~~~~~~
In file included from icehelp.cc:20:
./ascii.h:1:9: warning: '__ASCII_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
#ifndef __ASCII_H
        ^~~~~~~~~
./ascii.h:2:9: note: '__ASCIIH_' is defined here; did you mean '__ASCII_H'?
#define __ASCIIH_
        ^~~~~~~~~
        __ASCII_H
5 warnings generated.
  LD       icehelp
ld: warning: ignoring duplicate libraries: '-lICE', '-lSM', '-lX11', '-lXext', '-liconv', '-ljpeg', '-lz'
  HOSTCXX  genpref.o
  HOSTLD   genpref
  GENPREF  ../lib/preferences
gmake[1]: Leaving directory '/Users/pbulk/build/wm/icewm-imlib/work/icewm-1.2.38pre2/src'
gmake[1]: Entering directory '/Users/pbulk/build/wm/icewm-imlib/work/icewm-1.2.38pre2/po'
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o be.mo be.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o bg.mo bg.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o ca.mo ca.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o cs.mo cs.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o da.mo da.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o de.mo de.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o el.mo el.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o en.mo en.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o es.mo es.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o fi.mo fi.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o fr.mo fr.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o hr.mo hr.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o hu.mo hu.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o id.mo id.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o it.mo it.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o ja.mo ja.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o ko.mo ko.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o lt.mo lt.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o lv.mo lv.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o mk.mo mk.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o nb.mo nb.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o nl.mo nl.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o pl.mo pl.po
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt -o pt_BR.mo pt_BR.po
pt_BR.po: warning: Charset "CHARSET" is not a portable encoding name.
                   Message conversion to user's charset might not work.
/Users/pbulk/build/wm/icewm-imlib/work/.tools/bin/msgfmt: present charset "CHARSET" is not a portable encoding name
gmake[1]: *** [Makefile:64: pt_BR.mo] Error 1
gmake[1]: Leaving directory '/Users/pbulk/build/wm/icewm-imlib/work/icewm-1.2.38pre2/po'
gmake: *** [Makefile:58: nls] Error 2
*** Error code 2

Stop.
bmake[1]: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos11-trunk-x86_64/wm/icewm-imlib
*** Error code 1

Stop.
bmake: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos11-trunk-x86_64/wm/icewm-imlib