On Sun, Dec 21, 2008 at 2:38 PM, NightStrike <nightstr...@gmail.com> wrote: > Currently, gcc doesn't support a multilib build for win64. I have > been looking at how to do this, and have so far come up with a > beginning to a solution. The work done thus far is part of this PR: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38294 > > The current blocker is in building libgcc. At some point in building > libgcc, it gets down to the final compilation. In doing so, gcc is > invoked with a -B option pointing to the 32-bit lib directory instead > of the 64-bit lib directory. This works for building the 32-bit > libgcc, but not the 64-bit default version. > > From what I can tell, the -B option pointing to the 32-bit lib > directory is in $(GCC_FOR_TARGET). Is that where it's supposed to be? > Is there a way to make gcc search the right directory first (or at > all)? What steps am I missing for enabling the multilib build? > > For reference, the system root and all of its libraries are installed into: > > $prefix/$target/lib and $prefix/$target/lib64, the latter of course > being the 64-bit version of all the libs. >
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