Hi Andrew, thanks for the hints. I realized that important part of the game is that we distribute GCC as a part of our development environment. Is it possible to build GCC itself on 64-bit machine in a way that it could be used on both 32-bit and 64-bit architectures? Thanks, Natalia On Thu, 18 Jan 2007, Andrew Haley wrote: > natasha@xxxxxxxx writes: > > > > We plan to use x86_64 linux machine to build binary code that can > > eventually run on i386 machine. I know it's possible with -m32. > > > > I wonder if there is an easy way to configure/build GCC so that it would > > produce 32-bit binaries by default? > > > > The reason I want this is because we build many products, and it may be > > more difficult to implant -m32 option in every build system. > > You can do this by building a custom version of gcc, with special > option processing. Also, you can edit gcc's specs. > > But I wouldn't do that: it's too much trouble to solve a trivial > problem. Instead I'd write a script, like this: > > exec /path/to/gcc -m32 $* > > You can override -m32 with -m64 if you need it. > > Andrew. >
