Bug#853513: libvigraimpex: ftbfs with GCC-7

[Andreas Metzler]

Control: forwarded -1 https://github.com/ukoethe/vigra/issues/409
Control: block 853447 with 853513
Control: block 853389 with 853513

On 2017-07-21 Daniel Stender <debian at danielstender.com> wrote:
> There's currently another build break happening:

> <cut>
> {standard input}: Assembler messages:
> {standard input}:512533: Warning: end of file not at end of a line; newline inserted
> {standard input}: Error: open CFI at the end of file; missing .cfi_endproc directive
> c++: internal compiler error: Killed (program cc1plus)
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[...]
> make[4]: Leaving directory '/<<BUILDDIR>>/libvigraimpex-1.10.0+git20160211.167be93+dfsg/obj.python2.7'

Afaict from the message this is gcc *6* crashing.

As noted before 1.11.1 /builds/ successfully with gcc 7, there is just
the testsuite error in run_test_blockwisewatersheds.sh.

cu Andreas
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