===> Building for slock-1.5
slock build options:
CFLAGS   = -pipe -Os -I/opt/pkg/include -std=c99 -pedantic -Wall -Os -I. -I/usr/include -I/opt/pkg/include -I/opt/pkg/include -DVERSION="1.5" -D_DEFAULT_SOURCE
LDFLAGS  = -L/opt/pkg/lib -s -L/usr/lib -lc -lcrypt -L/opt/pkg/lib -lX11 -lXext -lXrandr
CC       = clang
creating config.h from config.def.h
CC slock.c
slock.c:351:6: warning: implicit declaration of function 'setgroups' is invalid in C99 [-Wimplicit-function-declaration]
        if (setgroups(0, NULL) < 0)
            ^
1 warning generated.
CC explicit_bzero.c
CC -o slock
ld: warning: option -s is obsolete and being ignored
ld: library not found for -lcrypt
clang: error: linker command failed with exit code 1 (use -v to see invocation)
*** Error code 1

Stop.
bmake: stopped making "all" in /Users/pbulk/build/x11/slock/work/slock-1.5
*** Error code 1

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/x11/slock
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/x11/slock