gcc -c   -arch x86_64 -g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -fstack-protector -I/usr/local/include -Os   -DVERSION=\"1.16\" -DXS_VERSION=\"1.16\"  "-I/System/Library/Perl/5.12/darwin-thread-multi-2level/CORE"   Alias.c