[Multiarch-devel] Bug#741519: libcups2-dev: arch-dependent file in "Multi-Arch: same" package

[Steve Langasek]

On Mon, Mar 17, 2014 at 12:53:40PM +0100, Jakub Wilk wrote:
> * Didier 'OdyX' Raboud <odyx at debian.org>, 2014-03-17, 08:28:
> >>libcups2-dev is marked as "Multi-Arch: same", but the following
> >>file is architecture-dependent:

> >>/usr/bin/cups-config

> >>An example diff between i386 and amd64 is attached.

> >@@ -22,8 +22,8 @@
> >exec_prefix=/usr
> >bindir=/usr/bin
> >includedir=${prefix}/include
> >-libdir=${prefix}/lib/i386-linux-gnu
> >-imagelibdir=${prefix}/lib/i386-linux-gnu
> >+libdir=${prefix}/lib/x86_64-linux-gnu
> >+imagelibdir=${prefix}/lib/x86_64-linux-gnu
> >datarootdir=/usr/share
> >datadir=/usr/share
> >sysconfdir=/etc
> >
> >libdir and imagelibdir are used by cups-config to determine the
> >path to the static library. Would it be acceptable with multiarch
> >in mind to let /usr/bin/cups-config use dpkg-architecture (+depend
> >on dpkg-dev) or gcc -print-multiarch (+depend on
> >gcc/build-essential) to determine the path for it?

> I'm not sure. Dear multiarch-devel@ readers, what do you think?

Well, from a multiarch standpoint there's nothing to speak against it; and
since this is a -dev package, a dependency on dpkg-dev is not entirely
unreasonable.

I think it's generally better to get our upstreams to obsolete and drop
/usr/bin/foo-config in favor of pkg-config due to issues such as this, but
that obviously involves a long deprecation cycle due to other dependent
packages using them.  So I think Didier's idea here is a reasonably clever
hack.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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