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<H1>[Mageia-dev] Standardising the virtual Provides in -devel packages</H1>
<B>nicolas vigier</B>
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TITLE="[Mageia-dev] Standardising the virtual Provides in -devel packages">boklm at mars-attacks.org
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<I>Wed Jul 13 12:34:18 CEST 2011</I>
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<PRE>On Wed, 13 Jul 2011, Ahmad Samir wrote:
><i> On 10 July 2011 10:03, Ahmad Samir <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">ahmadsamir3891 at gmail.com</A>> wrote:
</I>><i> > On 8 July 2011 06:37, Ahmad Samir <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">ahmadsamir3891 at gmail.com</A>> wrote:
</I>><i> >> Hello.
</I>><i> >>
</I>><i> >> I've had a rather vague idea about standardising the virtual provides
</I>><i> >> in the distro, there should be:
</I>><i> >> Provides: %{name}-devel
</I>><i> >> Provides: lib%{name}-devel
</I>><i> >>
</I>><i> >> either both of them in _all_ packages, or one of them in _all_
</I>><i> >> packages, so that we don't have to check urpmq --provides all the
</I>><i> >> time. Personally, I am more inclined on having them both, so as not to
</I>><i> >> break already working specs.
</I>><i> >>
</I>><i> >> For example:
</I>><i> >> $ urpmq --provides lib64gudev1.0-devel-166-5.mga1.x86_64
</I>><i> >> libgudev-devel[== 166-5.mga1]
</I>><i> >> pkgconfig(gudev-1.0)[== 166]
</I>><i> >> devel(libgudev-1.0(64bit))
</I>><i> >> lib64gudev1.0-devel[== 166-5.mga1]
</I>><i> >> lib64gudev1.0-devel(x86-64)[== 166-5.mga1]
</I>><i> >>
</I>><i> >> only libgudev-devel, so if I put BR gudev-devel in a spec it won't
</I>><i> >> work, whereas I'd expect it to work since some other packages have
</I>><i> >> such similar provides:
</I>><i> >> $ urpmq --provides lib64dbus-1-devel
</I>><i> >> libdbus-1-devel[== 1.4.1-3.mga1]
</I>><i> >> libdbus-devel[== 1.4.1-3.mga1]
</I>><i> >> dbus-devel[== 1.4.1-3.mga1]
</I>><i> >> [...]
</I>><i> >>
</I>><i> >>
</I>><i> >> WDYT?
</I>><i> >>
</I>><i> >> (If we agree to go one way or the other, will just fix them gradually
</I>><i> >> over time).
</I>><i> >>
</I>><i> >> --
</I>><i> >> Ahmad Samir
</I>><i> >>
</I>><i> >
</I>><i> > Adding to the above, spturtle has suggested using pkgconfig()
</I>><i> > provides: <A HREF="https://bugs.mageia.org/show_bug.cgi?id=2065">https://bugs.mageia.org/show_bug.cgi?id=2065</A>
</I>><i> >
</I>><i> > --
</I>><i> > Ahmad Samir
</I>><i> >
</I>><i>
</I>><i> Using pkgconfig provides looks like an optimal option, we could start
</I>><i> now, whenever we touch a spec we change to the pkgconfig provides, and
</I>><i> gradually all the specs will be adapted.
</I>><i>
</I>><i> And for the packages that don't have .pc files we add:
</I>><i> Provides: %{name}-devel = %{version}-release
</I>><i> Provides: lib%{name}-devel = %{version}-release
</I>><i>
</I>><i> or we could add them to all packages whether they have .pc files or
</I>><i> not, but still always use pkgconfig() provides as BR in our specs.
</I>
I think it's better to use %{name}-devel for packages which don't have
pkgconfig files. And keep pkgconfig() provides for packages with .pc
files.
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