Re: glibc-headers RPM bug? (was: Re: Kernel dependency issues)

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Apologies if you receive this twice but I've a feeling the original reply ended up somewhere in the bit-heaven of /dev/null...

	- Panu -

On Fri, 12 Dec 2008, Panu Matilainen wrote:

On Fri, 12 Dec 2008, Seth Vidal wrote:
On Fri, 12 Dec 2008, Michael Schwendt wrote:

On Fri, 12 Dec 2008 12:13:21 -0500, Christopher wrote:

I'm surprised one can "rpm -e glibc-headers" while keeping glibc-devel
That looks a bit strange.

I'll leave you to file a bug on that if you think it's wrong.

If it were that easy:

 $ rpm -qR glibc-devel|grep ^glib
 glibc = 2.9-2
 glibc-headers = 2.9-2

So, glibc-devel requires glibc-headers.

 $ rpm -q --provides glibc-headers
 glibc-headers(i386)
 glibc-headers = 2.9-2
 glibc-headers(x86-32) = 2.9-2

 $ rpm -q --whatprovides glibc-headers
 glibc-headers-2.9-2.i386

 $ sudo rpm -e glibc-headers

Uh? That should not have been possible, because now:

 $ rpm -V glibc-devel
 Unsatisfied dependencies for glibc-devel-2.9-2.i386:
         glibc-headers = 2.9-2 is needed by glibc-devel-2.9-2.i386

Can anyone reproduce this? Surely I cannot file a bug about glibc. This
looks more like a bug in RPM. F10 here, btw.

it's a Requires(Pre) thats allowing it to happen.

Yup, just checked (from F-10 glibc.spec):

%package devel
Summary: Object files for development using standard C libraries.
Group: Development/Libraries
Requires(pre): /sbin/install-info
Requires(pre): %{name}-headers = %{version}-%{release}


Try it with xorg-x11-filesystem

rpm -e xorg-x11-filesystem
rpm -Va --nofiles --nomd5

notice the broken deps :(

It's actually the verification which is showing bogus results here (https://bugzilla.redhat.com/show_bug.cgi?id=223642) wrt rpm semantics: "Requires(pre): pkg1" means "pkg1" is required to be present during execution of %pre scriptlet of the package and nothing else. It does not imply "Requires: pkg1", that would have to be separately added if pkg1 is needed during installation *and* runtime.

Whether this is sane behavior is debatable, and has been debated several times in various places...

	- Panu -


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