Bug#957635: openal-soft: ftbfs with GCC-10

[Matthias Klose]

Package: src:openal-soft
Version: 1:1.19.1-1
Severity: normal
Tags: sid bullseye
User: debian-gcc at lists.debian.org
Usertags: ftbfs-gcc-10

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-10/g++-10, but succeeds to build with gcc-9/g++-9. The
severity of this report will be raised before the bullseye release,
so nothing has to be done for the buster release.

The full build log can be found at:
http://people.debian.org/~doko/logs/gcc10-20200225/openal-soft_1.19.1-1_unstable_gcc10.log
The last lines of the build log are at the end of this report.

To build with GCC 10, either set CC=gcc-10 CXX=g++-10 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-10/porting_to.html

[...]
/<<PKGBUILDDIR>>/Alc/effects/reverb.c:1358:20: warning: inlining failed in call to ‘LateT60Filter’: --param large-stack-frame-growth limit reached [-Winline]
 1358 | static inline void LateT60Filter(ALfloat *restrict samples, const ALsizei todo, T60Filter *filter)
      |                    ^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/Alc/effects/reverb.c:1403:9: note: called from here
 1403 |         LateT60Filter(temps[j], todo, &State->Late.T60[j]);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 65%] Building C object CMakeFiles/OpenAL.dir/Alc/ambdec.c.o
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/<<PKGBUILDDIR>>/Alc/backends/alsa.c: In function ‘verify_state’:
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  406 |     switch(state)
      |     ^~~~~~
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/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/ALu.c.o:./build-tree/./Alc/bformatdec.h:29: multiple definition of `FuMa2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:29: first defined here
/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/ALu.c.o:./build-tree/./Alc/bformatdec.h:28: multiple definition of `SN3D2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:28: first defined here
/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/ALu.c.o:./build-tree/./Alc/bformatdec.h:27: multiple definition of `N3D2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:27: first defined here
/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/bformatdec.c.o:./build-tree/./Alc/bformatdec.h:28: multiple definition of `SN3D2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:28: first defined here
/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/bformatdec.c.o:./build-tree/./Alc/bformatdec.h:27: multiple definition of `N3D2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:27: first defined here
/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/bformatdec.c.o:./build-tree/./Alc/bformatdec.h:29: multiple definition of `FuMa2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:29: first defined here
/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/panning.c.o:./build-tree/./Alc/bformatdec.h:29: multiple definition of `FuMa2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:29: first defined here
/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/panning.c.o:./build-tree/./Alc/bformatdec.h:28: multiple definition of `SN3D2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:28: first defined here
/usr/bin/ld: CMakeFiles/OpenAL.dir/Alc/panning.c.o:./build-tree/./Alc/bformatdec.h:27: multiple definition of `N3D2N3DScale'; CMakeFiles/OpenAL.dir/Alc/ALc.c.o:./build-tree/./Alc/bformatdec.h:27: first defined here
collect2: error: ld returned 1 exit status
make[3]: *** [CMakeFiles/OpenAL.dir/build.make:911: libopenal.so.1.19.1] Error 1
make[3]: Leaving directory '/<<PKGBUILDDIR>>/build-tree'
make[2]: *** [CMakeFiles/Makefile2:248: CMakeFiles/OpenAL.dir/all] Error 2
make[2]: Leaving directory '/<<PKGBUILDDIR>>/build-tree'
make[1]: *** [Makefile:133: all] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>/build-tree'
dh_auto_build: error: cd build-tree && make -j4 "INSTALL=install --strip-program=true" returned exit code 2
make: *** [debian/rules:36: build] Error 25
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2