Re: how to make daq drop rpath?

[Marcin Dulak <marcin.dulak () gmail com>]

On Mon, Nov 14, 2016 at 5:26 AM, Michael Altizer <mialtize () cisco com> wrote:

> On 11/12/2016 02:13 PM, Marcin Dulak wrote:
> > Hi,
> >
> > I'm packaging daq-2.0 for Fedora/EPEL, but the linking process uses
> > rpath which is
> > discouraged on Fedora/Debian systems.
> >
> > The details of the problem are given at:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1394502
> > and an example build log at
> > https://kojipkgs.fedoraproject.org//work/tasks/4813/16424813/build.log
> >
> > Any suggestions how to solve it?
> >
> > Regards,
> >
> > Marcin
>
> I've never found a clean way to get rid of RPATH from within autotools.
> However, I just tried with the libtool butchering option from
> https://fedoraproject.org/wiki/Packaging:Guidelines#Removing_Rpath and
> it seemed to work fine.
>
> $ autoreconf -ivf
> $ ./configure --prefix=/var/tmp/daq-install
> $ sed -i
> 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
> $ sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
> $ make install
> $ find /var/tmp/daq-install/lib -name "*.so" | xargs readelf -d | grep
> RPATH
> <nothing>
>
> Without the hack, you'd see this:
> $ find /var/tmp/daq-install/lib -name "*.so" | xargs readelf -d | grep
> RPATH
>   0x000000000000000f (RPATH)              Library rpath:
> [/var/tmp/daq-install/lib]
>   0x000000000000000f (RPATH)              Library rpath:
> [/var/tmp/daq-install/lib]
>   0x000000000000000f (RPATH)              Library rpath:
> [/var/tmp/daq-install/lib]

thanks, that helped me to find out that the reason the above sed
workarounds didn't work for me:
I was always checking against a cached version of daq RPM built in mock ...

The daq RPM is now ready for review:
https://bugzilla.redhat.com/show_bug.cgi?id=1394502

Best regards,

Marcin



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