[Fedora-packaging] AutoProvidesAndRequiresFiltering doesn't work

[Toshio Kuratomi]

On Tue, Nov 30, 2010 at 03:34:45PM +0200, Kalev Lember wrote:
> On 11/30/2010 02:56 PM, Thomas Spura wrote:
> > I do %filter_requires_in because of:
> > rpm -i x86_64/python-visual-5.40-1.fc13.x86_64.rpm
> > error: Failed dependencies:
> > 	cvisualmodule.so.3()(64bit) is needed by
> > python-visual-5.40-1.fc13.x86_64
> >
> > With %filter_provides_in I strip the cvisualmodule.so out, but this is
> > still required, when leaving requires_in out. So I'm forced to do
> > either both, or nothing...
> >
> > What excactly should %filter_requires_in do? I expect it to filter the
> > *.so files, which are coming from %{python_sitearch}/.*\.so*, but not
> > the requires that those *.so files have to other system libs.
> 
> %filter_requires_in prevents the matching files from being scanned for
> requires.
> 
> The way dynamic linking works is that every elf binary has DT_NEEDED
> entries for libraries it needs at runtime. RPM scripts extract that info
> from binaries and store it in the RPM metadata. Now, %filter_requires_in
> prevents the matching .so files from being scanned by rpm dependency
> extracting scripts, so anything these .so files might need will be lost.
> 
> 
> > Currently %filter_requires_in leaves out the cvisualmodule.so AND the
> > system libs, but I need the system libs as requires...
> 
> Try this:
> %filter_from_requires /cvisualmodule\.so/d
> 
<nod>, that's a better recommendation for the guidelines to be making for
its examples.  I'll put that into a new draft in a moment.

-Toshio
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