Package: src:vdr
Version: 2.2.0-6
Severity: normal
Tags: sid buster
User: [email protected]
Usertags: ftbfs-gcc-7

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-7/g++-7, but succeeds to build with gcc-6/g++-6. The
severity of this report may be raised before the buster release.
There is no need to fix this issue in time for the stretch release.

The full build log can be found at:
http://people.debian.org/~doko/logs/gcc7-20170126/vdr_2.2.0-6_unstable_gcc7.log
The last lines of the build log are at the end of this report.

To build with GCC 7, either set CC=gcc-7 CXX=g++-7 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-7/porting_to.html

[...]
      frequency = abs(frequency); // Allow for C-band, where the frequency is 
less than the LOF
                               ^
In file included from /usr/include/c++/7/cstdlib:75:0,
                 from /usr/include/c++/7/stdlib.h:36,
                 from config.h:15,
                 from channels.h:13,
                 from device.h:13,
                 from dvbdevice.h:15,
                 from dvbdevice.c:10:
/usr/include/stdlib.h:735:12: note: candidate: int abs(int)
 extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
            ^~~
In file included from /usr/include/c++/7/cstdlib:77:0,
                 from /usr/include/c++/7/stdlib.h:36,
                 from config.h:15,
                 from channels.h:13,
                 from device.h:13,
                 from dvbdevice.h:15,
                 from dvbdevice.c:10:
/usr/include/c++/7/bits/std_abs.h:56:3: note: candidate: long int std::abs(long 
int)
   abs(long __i) { return __builtin_labs(__i); }
   ^~~
/usr/include/c++/7/bits/std_abs.h:61:3: note: candidate: long long int 
std::abs(long long int)
   abs(long long __x) { return __builtin_llabs (__x); }
   ^~~
/usr/include/c++/7/bits/std_abs.h:70:3: note: candidate: constexpr double 
std::abs(double)
   abs(double __x)
   ^~~
/usr/include/c++/7/bits/std_abs.h:74:3: note: candidate: constexpr float 
std::abs(float)
   abs(float __x)
   ^~~
/usr/include/c++/7/bits/std_abs.h:78:3: note: candidate: constexpr long double 
std::abs(long double)
   abs(long double __x)
   ^~~
/usr/include/c++/7/bits/std_abs.h:84:3: note: candidate: constexpr __int128 
std::abs(__int128)
   abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
   ^~~
/usr/include/c++/7/bits/std_abs.h:102:3: note: candidate: constexpr __float128 
std::abs(__float128)
   abs(__float128 __x)
   ^~~
Makefile:124: recipe for target 'dvbdevice.o' failed
make[2]: *** [dvbdevice.o] Error 1
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
dh_auto_build: make -j1 PREFIX=/usr VIDEODIR=/var/lib/video 
LIBDIR=/usr/lib/vdr/plugins SDNOTIFY=1 returned exit code 2
debian/rules:17: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
debian/rules:14: recipe for target 'build' failed
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2

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