Compiler baselines

Markus Mohrhard markus.mohrhard at
Wed Dec 12 01:28:43 UTC 2018


On Mon, Dec 10, 2018 at 6:14 PM Stephan Bergmann <sbergman at>

> 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
> > (
> > 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 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 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.

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