Package: trend
Version: 1.2-2
Severity: important
User: debian-...@lists.debian.org
Usertags: ftbfs-gcc-6 gcc-6-not-declared

This package fails to build with GCC 6.  GCC 6 has not been released
yet, but it's expected that GCC 6 will become the default compiler for
stretch.

Note that only the first error is reported; there might be more.  You
can find a snapshot of GCC 6 in experimental.  To build with GCC 6,
you can set CC=gcc-6 CXX=g++-6 explicitly.

You may be able to find out more about this issue at
https://gcc.gnu.org/gcc-6/changes.html

> sbuild (Debian sbuild) 0.67.0 (26 Dec 2015) on dl580gen9-02.hlinux
...
> g++ -Wdate-time -D_FORTIFY_SOURCE=2 -MD -g -O2 -fPIE -fstack-protector-strong 
> -Wformat -Werror=format-security -pthread -c -o color.o color.cc
> trend.cc: In function 'size_t drawLine(const Graph&, double)':
> trend.cc:720:27: error: 'isfinite' was not declared in this scope
>      if(!st && isfinite(*it) && (nit == g.rrEnd || isfinite(*nit)))
>                            ^
> 
> trend.cc:720:27: note: suggested alternative:
> In file included from /usr/include/c++/6/random:38:0,
>                  from /usr/include/c++/6/bits/stl_algo.h:66,
>                  from /usr/include/c++/6/algorithm:62,
>                  from trend.cc:21:
> /usr/include/c++/6/cmath:601:5: note:   'std::isfinite'
>      isfinite(_Tp __x)
>      ^~~~~~~~
> 
> trend.cc:747:25: error: 'isfinite' was not declared in this scope
>      else if(isfinite(*it))
>                          ^
> 
> trend.cc:747:25: note: suggested alternative:
> In file included from /usr/include/c++/6/random:38:0,
>                  from /usr/include/c++/6/bits/stl_algo.h:66,
>                  from /usr/include/c++/6/algorithm:62,
>                  from trend.cc:21:
> /usr/include/c++/6/cmath:601:5: note:   'std::isfinite'
>      isfinite(_Tp __x)
>      ^~~~~~~~
> 
> trend.cc:765:47: error: 'isfinite' was not declared in this scope
>      if(st && (nit == g.rrEnd || !isfinite(*nit)))
>                                                ^
> 
> trend.cc:765:47: note: suggested alternative:
> In file included from /usr/include/c++/6/random:38:0,
>                  from /usr/include/c++/6/bits/stl_algo.h:66,
>                  from /usr/include/c++/6/algorithm:62,
>                  from trend.cc:21:
> /usr/include/c++/6/cmath:601:5: note:   'std::isfinite'
>      isfinite(_Tp __x)
>      ^~~~~~~~
> 
> trend.cc: In function 'void drawFillZero(const Graph&)':
> trend.cc:789:27: error: 'isfinite' was not declared in this scope
>      if(!st && isfinite(*it) && (nit == g.rrEnd || isfinite(*nit)))
>                            ^
> 
> trend.cc:789:27: note: suggested alternative:
> In file included from /usr/include/c++/6/random:38:0,
>                  from /usr/include/c++/6/bits/stl_algo.h:66,
>                  from /usr/include/c++/6/algorithm:62,
>                  from trend.cc:21:
> /usr/include/c++/6/cmath:601:5: note:   'std::isfinite'
>      isfinite(_Tp __x)
>      ^~~~~~~~
> 
> trend.cc:826:42: error: 'isfinite' was not declared in this scope
>        if(nit == g.rrEnd || !isfinite(*nit))
>                                           ^
> 
> trend.cc:826:42: note: suggested alternative:
> In file included from /usr/include/c++/6/random:38:0,
>                  from /usr/include/c++/6/bits/stl_algo.h:66,
>                  from /usr/include/c++/6/algorithm:62,
>                  from trend.cc:21:
> /usr/include/c++/6/cmath:601:5: note:   'std::isfinite'
>      isfinite(_Tp __x)
>      ^~~~~~~~
> 
> trend.cc: In function 'void drawFillDelta(const Graph&)':
> trend.cc:854:27: error: 'isfinite' was not declared in this scope
...

-- 
Martin Michlmayr
Linux for HPE Helion, Hewlett Packard Enterprise

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