development packages and multilib

[Callum Lerwick]

On Sun, 2009-04-19 at 18:43 -0400, Orcan Ogetbil wrote:
> 2009/4/19 Björn Persson:
> > I'm trying to learn how to build packages for Fedora. My first question is
> > about multilib development packages.
> >
> > I know that compiled libraries can be installed in both 32-bit and 64-bit
> > versions at the same time, but is this required for -devel packages as well?
> > That is, is it normal to compile both 32-bit and 64-bit programs on the same
> > host, so that one needs both libwhatever-devel.i386 and
> > libwhatever-devel.x86_64, or is it permissible for the two versions of
> > libwhatever-devel to conflict with each other?
> >
> > Björn Persson
> 
> This is a dilemma we have in Fedora. I have no idea why someone would
> want to keep the devel subpackages of the same package with different
> archs installed.
> 
> Even adding a %doc makes these devel subpackages conflict each other.
> I do wonder what is the logic laying behind.

It's required if you want to compile both x86_64 and i386 on an x86_64
machine. I do it all the time. (-m32 flag to gcc)
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