Second Ubuntu Artful Aardvark test rebuild

[Matthias Klose]

The second test rebuild of Artful Aardvark was started on September 22 for all
architectures, all components (main component and seeded packages finished,
unseeded packages still building).

For arm64 and armhf the gcc-6 and gcc-7 packages are based on the Linaro
6-2017.09 snapshots.

Results (please also look at the superseded builds) can be found at

  http://qa.ubuntuwire.org/ftbfs/rebuilds/test-rebuild-20170922-artful.html

The test rebuild uses the release pocket only, without packages from the
proposed pocket.

Additional build failures for packages in artful-proposed (not yet in artful)
can be found at http://qa.ubuntuwire.com/ftbfs/

Please help fixing the build failures.

Information about transitioning to GCC 7 can be found at:

 * https://gcc.gnu.org/gcc-7/porting_to.html
 * https://wiki.debian.org/GCC7
 * Please forward patches for GCC 7 build failures to the bug reports
   already filed in Debian (see the above wiki page for the bug list).

  Matthias