Failures in OS X builds - too many errors?

[Stephan Bergmann]

On 01/21/2016 09:57 AM, Stephan Bergmann wrote:
> What is worrying is that this problem only showed up in Jenkins Gerrit
> builds, not in Jenkins tinderbox builds.  The two Jenkins Mac
> tinderboxes on master, Jenkins_MacOSX and Jenkins_MacOSX_Dbg, stayed
> green after 2c9d652dc7f7a1e2d0d8ea0cfcdcf47608a3d84e.

That turned out to be the case because Mac Jenkins Gerrit builds are 
done on a box with an older toolchain than Mac Jenkins tinderbox builds.

> Quoting IRC: "<sberg> shm_get_, cloph, Jenkins_MacOSX tinderbox is a
> mystery to me; in
> <http://tinderbox.libreoffice.org/cgi-bin/gunzip.cgi?tree=MASTER&full-log=1453200807.490>
> build it broke when compiling sal/cppunittester/cppunittester.cxx;
> according to <http://tinderbox.libreoffice.org/MASTER/status.html>, the
> next build of that tb was
> <http://tinderbox.libreoffice.org/cgi-bin/gunzip.cgi?tree=MASTER&full-log=1453203566.10951>,
> and that doesn't mention building sal/cppunittester/cppunittester.cxx at
> all, and succeeds; how can that be?"

That turned out to be due to the tinderbox page apparently not 
necessarily displaying /every/ build, but only operating at a 
granularity of something like 10 min.

(Thanks to Norbert for providing input on these two mysteries on IRC.)