dyld/libdyld.xcconfig

   1
   2 LIBSYSTEM_LIBS[sdk=*simulator*]     = -Wl,-upward-lsystem_sim_c  -Wl,-upward-lSystem
   3 LIBSYSTEM_LIBS[sdk=iphoneos*]       = -Wl,-upward-lsystem_platform -Wl,-upward-lsystem_malloc -Wl,-upward-lsystem_c -Wl,-upward-lsystem_pthread -Wl,-upward-llaunch -Wl,-upward-lsystem_blocks -Wl,-upward-lsystem_kernel
   4 LIBSYSTEM_LIBS[sdk=macosx*]         = -Wl,-upward-lsystem_platform -Wl,-upward-lsystem_malloc -Wl,-upward-lsystem_c -Wl,-upward-lsystem_pthread -Wl,-upward-llaunch -Wl,-upward-lsystem_blocks -Wl,-upward-lsystem_kernel
   5
   6 INSTALL_PATH_ACTUAL = /usr/lib/system
   7
   8