The following build commands failed: CompileC /Users/zh99998/builds/fHodgzx7/0/mycard/irrlicht-mac/source/Irrlicht/MacOSX/build/MacOSX.build/Release/libIrrlicht.a.build/Objects-normal/x86_64/pngwutil.o /Users/zh99998/builds/fHodgzx7/0/mycard/irrlicht-mac/source/Irrlicht/libpng/pngwutil.c normal x86_64 c com.apple.compilers.llvm.clang.1_0.compiler CompileC /Users/zh99998/builds/fHodgzx7/0/mycard/irrlicht-mac/source/Irrlicht/MacOSX/build/MacOSX.build/Release/libIrrlicht.a.build/Objects-normal/x86_64/pngwtran.o /Users/zh99998/builds/fHodgzx7/0/mycard/irrlicht-mac/source/Irrlicht/libpng/pngwtran.c normal x86_64 c com.apple.compilers.llvm.clang.1_0.compiler CompileC /Users/zh99998/builds/fHodgzx7/0/mycard/irrlicht-mac/source/Irrlicht/MacOSX/build/MacOSX.build/Release/libIrrlicht.a.build/Objects-normal/x86_64/pngwrite.o /Users/zh99998/builds/fHodgzx7/0/mycard/irrlicht-mac/source/Irrlicht/libpng/pngwrite.c normal x86_64 c com.apple.compilers.llvm.clang.1_0.compiler CompileC /Users/zh99998/builds/fHodgzx7/0/mycard/irrlicht-mac/source/Irrlicht/MacOSX/build/MacOSX.build/Release/libIrrlicht.a.build/Objects-normal/x86_64/pngwio.o /Users/zh99998/builds/fHodgzx7/0/mycard/irrlicht-mac/source/Irrlicht/libpng/pngwio.c normal x86_64 c com.apple.compilers.llvm.clang.1_0.compiler (4 failures) Cleaning up file based variables ERROR: Job failed: exit status 1