When I build C projects which, admittedly, is making a game, I always start off with platform specific code. This is very handy by splitting up .h and .c files.

When I build C projects which, admittedly, is making a game, I always start off with platform specific code. This is very handy by splitting up .h and .c files. ie... platform.h platform_windows.c platform_linux.c etc. This way, my build file for windows uses platform_windows.c, etcetc.