darwin: Cleanup CPPFLAGS a bit
diff --git a/configs/darwin b/configs/darwin
index 213c397..824f71c 100644
--- a/configs/darwin
+++ b/configs/darwin
@@ -12,10 +12,10 @@
CC = gcc
CXX = g++
PIC_FLAGS = -fPIC
-DEFINES = -D_DARWIN_C_SOURCE -D_POSIX_SOURCE -D_POSIX_C_SOURCE=199309L \
- -D_BSD_SOURCE -D_SVID_SOURCE -D_GNU_SOURCE -DPTHREADS \
+DEFINES = -D_DARWIN_C_SOURCE -DPTHREADS -D_GNU_SOURCE \
-DGLX_ALIAS_UNSUPPORTED -DGLX_INDIRECT_RENDERING
+# -D_GNU_SOURCE - for src/mesa/main ...
# -DGLX_DIRECT_RENDERING - pulls in libdrm stuff in glx/x11
# -DGLX_USE_APPLEGL - supposed to be used with GLX_DIRECT_RENDERING to use AGL rather than DRM, but doesn't compile
# -DIN_DRI_DRIVER