Bug#753575: texlive-bin: FTBFS on s390x, test suite errors

[Matthias Klose <doko@debian.org>]

Am 04.07.2014 08:03, schrieb Norbert Preining:
> Hi Matthias,
> 
> you posted on debian-ports and some others about the 4.9 transition.
> I have now the problem with building texlive-bin on s390x. The
> resulting binaries segfault on various occasions during the tests.
> 
> Switching to gcc/g++ 4.8 fixes this problem.
> 
> Do you have any suggestion on how to fix that?
> 
> I posted a lengthy description to the TeX Live builder list:
> https://www.tug.org/pipermail/tlbuild/2014q3/003012.html
> 
> The problem is that compilation works, but the generated binaries
> are just not working in some cases.
> 
> Before uploading a package which specifically selects the 4.8
> compiler on s390x, I wanted to ask if you have any suggestion.

we did have some offline communication, but the discussion died.  So to summarize:

 - please use 4.9 with -O1 if the issue persists
 - please find out the subproject which needs to be built
   with -O1, don't build everything with -O1.

thanks, Matthias