===> Building for libretro-nestopia-1.50
fatal: not a git repository (or any parent up to mount point /Users/pbulk)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
clang++  -c -o../source/core/NstApu.o ../source/core/NstApu.cpp -pipe -Os -mmacosx-version-min=10.7  -DGIT_VERSION=\"-pkgsrc\" -O2 -DNDEBUG -std=c++98 -fno-rtti -fPIC -D__LIBRETRO__    -DNST_NO_ZLIB -I../libretro  -I.. -I../libretro/libretro-common/include  -I.. -I../source
clang: warning: include path for libstdc++ headers not found; pass '-stdlib=libc++' on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found]
../source/core/NstApu.cpp:25:10: fatal error: 'cstring' file not found
#include <cstring>
         ^~~~~~~~~
1 error generated.
gmake: *** [Makefile:740: ../source/core/NstApu.o] Error 1
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-x86_64/emulators/libretro-nestopia
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-x86_64/emulators/libretro-nestopia