Bug#777915: invaders: ftbfs with GCC-5

[Matthias Klose]

Package: src:invaders
Version: 1.0.0-12
Severity: normal
Tags: sid stretch
User: debian-gcc at lists.debian.org
Usertags: ftbfs-gcc-5

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-5/g++-5, but succeeds to build with gcc-4.9/g++-4.9. The
severity of this report may be raised before the stretch release.

The full build log can be found at:
http://people.debian.org/~doko/logs/gcc5-20150205/invaders_1.0.0-12_unstable_gcc5.log
The last lines of the build log are at the end of this report.

To build with GCC 5, either set CC=gcc-5 CXX=g++-5 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.

  apt-get -t experimental install g++ 

Common build failures are C11 as the default C mode, 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-5/porting_to.html

[...]
keyboard.o:keyboard.c:(.text+0x60): first defined here
game.o: In function `outsw':
game.c:(.text+0x80): multiple definition of `outsw'
keyboard.o:keyboard.c:(.text+0x80): first defined here
game.o: In function `outsl':
game.c:(.text+0xa0): multiple definition of `outsl'
keyboard.o:keyboard.c:(.text+0xa0): first defined here
sound.o: In function `insb':
sound.c:(.text+0x0): multiple definition of `insb'
keyboard.o:keyboard.c:(.text+0x0): first defined here
sound.o: In function `insw':
sound.c:(.text+0x20): multiple definition of `insw'
keyboard.o:keyboard.c:(.text+0x20): first defined here
sound.o: In function `insl':
sound.c:(.text+0x40): multiple definition of `insl'
keyboard.o:keyboard.c:(.text+0x40): first defined here
sound.o: In function `outsb':
sound.c:(.text+0x60): multiple definition of `outsb'
keyboard.o:keyboard.c:(.text+0x60): first defined here
sound.o: In function `outsw':
sound.c:(.text+0x80): multiple definition of `outsw'
keyboard.o:keyboard.c:(.text+0x80): first defined here
sound.o: In function `outsl':
sound.c:(.text+0xa0): multiple definition of `outsl'
keyboard.o:keyboard.c:(.text+0xa0): first defined here
delay.o: In function `insb':
delay.c:(.text+0x80): multiple definition of `insb'
keyboard.o:keyboard.c:(.text+0x0): first defined here
delay.o: In function `insw':
delay.c:(.text+0xa0): multiple definition of `insw'
keyboard.o:keyboard.c:(.text+0x20): first defined here
delay.o: In function `insl':
delay.c:(.text+0xc0): multiple definition of `insl'
keyboard.o:keyboard.c:(.text+0x40): first defined here
delay.o: In function `outsb':
delay.c:(.text+0xe0): multiple definition of `outsb'
keyboard.o:keyboard.c:(.text+0x60): first defined here
delay.o: In function `outsw':
delay.c:(.text+0x100): multiple definition of `outsw'
keyboard.o:keyboard.c:(.text+0x80): first defined here
delay.o: In function `outsl':
delay.c:(.text+0x120): multiple definition of `outsl'
keyboard.o:keyboard.c:(.text+0xa0): first defined here
collect2: error: ld returned 1 exit status
make[1]: *** [override_dh_auto_build] Error 1
debian/rules:7: recipe for target 'override_dh_auto_build' failed
make[1]: Leaving directory '/«PKGBUILDDIR»'
make: *** [build-arch] Error 2
debian/rules:4: recipe for target 'build-arch' failed
dpkg-buildpackage: error: debian/rules build-arch gave error exit status 2