MAC:使用install_name_rpath修改编译结果的rpath

• 修改前

$ otool -L libtsplayercore.dylib 
libtsplayercore.dylib:
	libtsplayercore.dylib (compatibility version 0.0.0, current version 0.0.0)
	/Users/taishansoft/lib-ffmpeg/lib/libSDL2-2.0.0.dylib (compatibility version 15.0.0, current version 15.0.0)

• 具体命令

$ install_name_tool -change \
    /Users/taishansoft/lib-ffmpeg/lib/libSDL2-2.0.0.dylib \
    ./libSDL2.dylib \
    libtsplayercore.dylib

• 修改后

$ otool -L libtsplayercore.dylib 
libtsplayercore.dylib:
	libtsplayercore.dylib (compatibility version 0.0.0, current version 0.0.0)
	./libSDL2.dylib (compatibility version 15.0.0, current version 15.0.0)