Building mainline and 4.2 on Debian/amd64

[Andrew Haley]

Joe Buck writes:
 > On Mon, Mar 19, 2007 at 10:35:15AM -0700, Andrew Pinski wrote:
 > > On 3/19/07, Joe Buck <Joe.Buck@synopsys.com> wrote:
 > > >This brings up a point: the build procedure doesn't work by default on
 > > >Debian-like amd64 distros, because they lack 32-bit support (which is
 > > >present on Red Hat/Fedora/SuSE/etc distros).  Ideally this would be
 > > >detected when configuring.
 > > 
 > > Actually it brings up an even more important thing, distros that don't
 > > include a 32bit user land is really just broken.  Why do these distros
 > > even try to get away with this, they are useless to 99.9% of the
 > > people and for the 0.1% of the people who find them interesting, they
 > > can just compile with --disable-multilib.
 > 
 > Unfortunately, such distros are in common use, and the GCC project jumps
 > through hoops to support many things that get far less use.
 > 
 > A platform that contains only 64-bit libraries is fundamentally a
 > different platform than one that has both 32- and 64-.  Ideally there
 > would be a different target triplet for such platforms.  Maybe
 > x86_64only?  But that would have to be handled upstream.
 > 
 > In the meantime, the installation instructions should tell people to
 > use --disable-multilib.

Will that work?  Unless there's some more configury I don't
understand, they'll still end up with libraries in /lib64 rather than
/lib.

Andrew.