On Wed, Nov 12, 2008 at 10:20:01AM -0500, Steve West wrote: > When running on Fedora x86 64 bit do you need to specify -m64 in gcc > to create 64 bit applications or does it default to 64 bit compile & > link? > It defaults to 64 bit. > Also will applications compiled on Fedora x86 32 bit using -m64 > run on Fedora x86 64 bit? > With the possible exception of the kernel, that's unlikely to work at all since a 32 bit system won't have 64 bit libraries installed to link against. Ewan
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