/Users/xiangshouding/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -O3 -DNDEBUG -isysroot /Users/xiangshouding/Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk -Wl,-search_paths_first -Wl,-headerpad_max_install_names  CMakeFiles/rdjpgcom.dir/rdjpgcom.c.o  -o rdjpgcom