Code:
gcc -DINTERNAL -opowder -w -std=c99 -D_POSIX_C_SOURCE=200112L -Iincludes/ -O3 -ffast-math -ftree-vectorize -funsafe-math-optimizations -lSDL -lm -lbz2 -march=native -DX86 -DX86_SSE3 -msse3 src/*.c -DLIN64
src/air.c:1: error: bad value (native) for -march= switch
src/air.c:1: error: bad value (native) for -mtune= switch
src/graphics.c:1: error: bad value (native) for -march= switch
src/graphics.c:1: error: bad value (native) for -mtune= switch
src/http.c:1: error: bad value (native) for -march= switch
src/http.c:1: error: bad value (native) for -mtune= switch
src/interface.c:1: error: bad value (native) for -march= switch
src/interface.c:1: error: bad value (native) for -mtune= switch
src/main.c:1: error: bad value (native) for -march= switch
src/main.c:1: error: bad value (native) for -mtune= switch
src/md5.c:1: error: bad value (native) for -march= switch
src/md5.c:1: error: bad value (native) for -mtune= switch
src/misc.c:1: error: bad value (native) for -march= switch
src/misc.c:1: error: bad value (native) for -mtune= switch
src/powder.c:1: error: bad value (native) for -march= switch
src/powder.c:1: error: bad value (native) for -mtune= switch
src/update.c:1: error: bad value (native) for -march= switch
src/update.c:1: error: bad value (native) for -mtune= switch
make: *** [powder] Error 1
This is what I got when I was trying to compile this source I have in XCode