On 29 November 2010 14:49, Jonathan Wakely wrote: > On 29 November 2010 13:59, Mr Dash Four wrote: >> >>> Ditto. --32 is not a valid GCC option. >>> >> >> AFAIK, it is - "gcc --help" tells me otherwise! > > Hmm, it's wrong > http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html#index-m32-1377 Ah, that bit of the output of gcc --target-help contains the assembler options, though that's not made clear. Higher up there are the compiler options, including -m32 $ /usr/bin/gcc --target-help | fgrep 32 -m32 Generate 32bit i386 code -mcrc32 Support code generation of crc32 instruction. -mpc Set 80387 floating-point precision (-mpc32, --32/--64 generate 32bit/64bit code generic32, generic64 generic32, generic64 To use --32 you'd need to pass it to the assembler with -Wa,--32 but that's unnecessary if you use -m32
