g++-8 and g++-7 installed, reproducing a FTBFS
On Wed, Jul 18, 2018 at 02:09:45AM +0200, Cyril Brulebois wrote:
> Matthias Klose <doko@debian.org> (2018-05-04):
> > Package: src:cdebconf
> > Tags: sid buster
> > User: debian-gcc@lists.debian.org
> > Usertags: ftbfs-gcc-8
> >
> > Please keep this issue open in the bug tracker for the package it
> > was filed for. If a fix in another package is required, please
> > file a bug for the other package (or clone), and add a block in this
> > package. Please keep the issue open until the package can be built in
> > a follow-up test rebuild.
> >
> > The package fails to build in a test rebuild on at least amd64 with
> > gcc-8/g++-8, but succeeds to build with gcc-7/g++-7. The
> > severity of this report will be raised before the buster release.
> >
> > The full build log can be found at:
> > http://aws-logs.debian.net/2018/05/01/gcc8/cdebconf_0.243_unstable_gcc8.log.gz
> > The last lines of the build log are at the end of this report.
> >
> > To build with GCC 8, either set CC=gcc-8 CXX=g++-8 explicitly,
> > or install the gcc, g++, gfortran, ... packages from experimental.
> >
> > apt-get -t=experimental install g++
> >
> > Common build failures are new warnings resulting in build failures with
> > -Werror turned on, or new/dropped symbols in Debian symbols files.
> > For other C/C++ related build failures see the porting guide at
> > http://gcc.gnu.org/gcc-8/porting_to.html
>
> FWIW the severity of this bug report just got upgraded to serious but it
> can be directly reproduced in an up-to-date sid system, as gcc-defaults
> doesn't seem to have been switched to gcc-8 yet.
>
In an up-to-date buster system `dpkg -l g++-\*`
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-================-=============-=============-======================================
ii g++-7 7.3.0-25 amd64 GNU C++ compiler
un g++-7-multilib <none> <none> (no description available)
ii g++-8 8.1.0-10 amd64 GNU C++ compiler
un g++-8-multilib <none> <none> (no description available)
un g++-multilib <none> <none> (no description available)
Upon `g++ --version` is 'g++ (Debian 7.3.0-25) 7.3.0' reported.
With `CC=gcc-8 CXX=g++-8 debuild -uc -us` I do get a succesfull build,
but I'm aiming to reproduce a FTBFS.
How to enforce that g++ is g++-8 ?
Groeten
Geert Stappers
--
Leven en laten leven
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