g++

localhost:Skin jianghujoy$ g++ -shared Skin/Skin.cpp -o skin

ld: can't open output file for writing: skin, errno=21 for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

mac编译链接时其实会生成一个同名目录，而且默认大小写不敏感,不能写skin,需要重新命名