Amittai Aviram <amittai.aviram@xxxxxxxx> writes: > Oh, I see! The build includes both 64-bit and 32-bit modes (so that the -m32 option will work), so I get the error when the build process gets to that point. What preprocessor symbol can I use in my code to identify 64 versus 32 bit modes for conditional compilation? Do GCC's Makefiles set __x86_64__ and __i386__? Thanks! Yes, #ifdef __x86_64__ will reliably detect 64-bit mode. Ian
