+ A = a
+ DLL = dylib
+ MWINDOWS =
+
+ # workaround: http://developer.apple.com/qa/qa2007/qa1567.html
+ LIBS_GL += -lX11 -dylib_file /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
+ LIBS_GTKGLEXT += -lX11 -dylib_file /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
+ # workaround: we have no "ldd" for OS X, so...
+ LDD =
+
+#$(error Unsupported build OS: $(OS) - please complete the Darwin support in this Makefile and submit a patch)