[Pkg-mpd-maintainers] Bug#908756: mpc: frequent parallel FTBFS

[Adrian Bunk]

Source: mpc
Version: 0.29-1
Severity: important
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/i386/mpc.html

...
[26/27] /usr/bin/sphinx-build -q -b html -d doc/doctrees /build/1st/mpc-0.30/doc doc/html
FAILED: doc/html 
/usr/bin/sphinx-build -q -b html -d doc/doctrees /build/1st/mpc-0.30/doc doc/html

Exception occurred:
  File "/usr/lib/python3/dist-packages/sphinx/environment/__init__.py", line 786, in get_doctree
    doctree = pickle.load(f)
_pickle.UnpicklingError: pickle data was truncated
The full traceback has been saved in /tmp/sphinx-err-upx0cr5x.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
[27/27] /usr/bin/sphinx-build -q -b man -d doc/doctrees /build/1st/mpc-0.30/doc doc/man/man1
ninja: build stopped: subcommand failed.
dh_auto_build: cd obj-i686-linux-gnu && LC_ALL=C.UTF-8 ninja -j10 -v returned exit code 1
make: *** [debian/rules:7: binary] Error 1


dh compat >= 10 defaults to parallel building.

Ideally doc/meson.build should be fixed to not run both in parallel,
but passing --no-parallel to dh in debian/rules would be an option
to workaround the problem.