Re: Compiler baselines

Hey,

On Mon, Dec 10, 2018 at 6:14 PM Stephan Bergmann <sbergman@redhat.com>
wrote:

> On 08/12/2018 19:35, Markus Mohrhard wrote:
> > Gandalf is not a CentOS based buildbot but the self-built gcc is now
> > available under "/opt/rh/devtoolset-7/root/usr/bin/gcc" to reduce the
> > differences between the different buildbots and make it easier to move
> > jobs between different jenkins VMs. The only difference is that the gcc
> > is version 8.2 instead of 7.3.
> >
> > Additionally, I have now also used the same CC and CXX setting for the
> > random config build bot
> > (
> https://cgit.freedesktop.org/libreoffice/core/commit/?id=ceb32911f07b63fda074facba377eeb4d5946cdf).
>
> > Based on that I think gandalf can be used again for the tinderbox job
> > and therefore hopefully take a bit of load of the gerrit build machines.
>
> But shared libs and executables built with that CXX, when executed
> during the build, will pick up an older libstdc++.so.6 from the system
> (and thus fail when they use functionality not present in the old
> libstdc++ version), no?

Just to document it here. I have adapted ld.so.conf to contain references
to  /opt/rh/devtoolset-7/root/usr/lib and
/opt/rh/devtoolset-7/root/usr/lib64. That ensures that always the new
libstdc++ from the gcc8 build is picked up.

Regards,
Markus