[Fedora-packaging] 32- and 64-bit softwares living together

[seth vidal]

On Fri, 2008-04-18 at 05:19 +0200, Ralf Corsepius wrote:
> On Thu, 2008-04-17 at 13:27 -0500, Rex Dieter wrote:
> > Sérgio Durigan Júnior wrote:
> > 
> > > Well, what happens is that in some archs (specifically PowerPC in our
> > > case) it's very common to have a biarch environment (i.e., 64-bit kernel
> > > and mixed 32/64-bit userspace), so it's not a strange thing to have both
> > > versions of some software installed in the system. 
> > 
> > Right.  If there are 32/64 packages available, and they don't properly 
> > install/run, then that's generally considered a bug (that should be fixed).
> 
> Here is one:
> 
> # rpm -q --qf "%{name}.%{arch}\n"  -f /lib/libgcc_s.so.1
> libgcc.i386
> 
> # rpm -q --qf "%{name}.%{arch}\n"  -f \
> /usr/lib/gcc/x86_64-redhat-linux/4.3.0/32/libgcc_s.so
> gcc.x86_64
> 
> # ls -l /usr/lib/gcc/x86_64-redhat-linux/4.3.0/32/libgcc_s.so
> /usr/lib/gcc/x86_64-redhat-linux/4.3.0/32/libgcc_s.so
> -> /lib/libgcc_s.so.1
> 
> i.e. an x86_64 package depending on an i386 package.
> 
> 
> Now try to install /lib/libgcc_s.so.1 in an x86_64 mock chroot.
> 
> I am trying to package a package which needs to build and run some bits
> "-m32 compiled on x86_64". Works in a normal (multilib'ed x86_64)
> environment, but I haven't managed to get this working in mock.
> 
> 

try using yum 3.2.14 from rawhide with mock and remove the silly exclude
that's in mock currently for x86_64 builds.

I know mdomsch and jkeating have tested it and had good success with
multilib_policy=best

-sv