===> Building for libretro-snes9x-1.63
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++ -I../libretro -I../libretro/libretro-common/include -I.. -I../apu/ -I../apu/bapu   -pipe -Os -DGIT_VERSION=\"-pkgsrc\" -std=c++14  -O3 -DNDEBUG -fomit-frame-pointer -Wall -W -Wno-unused-parameter -Wno-missing-field-initializers -fPIC -mmacosx-version-min=10.1 -DRIGHTSHIFT_IS_SAR -D__LIBRETRO__ -DALLOW_CPU_OVERCLOCK -DHAVE_STDINT_H -DHAVE_STRINGS_H -fno-rtti -pedantic  -fno-exceptions -c -o../apu/apu.o ../apu/apu.cpp
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]
../apu/apu.cpp:7:10: fatal error: 'cmath' file not found
#include <cmath>
         ^~~~~~~
1 error generated.
gmake: *** [Makefile:666: ../apu/apu.o] Error 1
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-x86_64/emulators/libretro-snes9x
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-x86_64/emulators/libretro-snes9x