Bug#811805: gfan: FTBFS with GCC 6: error: reference is ambiguous
Martin Michlmayr
tbm at hpe.com
Wed Jan 20 02:08:29 UTC 2016
Package: gfan
Version: 0.5+dfsg-5
Severity: important
User: debian-gcc at lists.debian.org
Usertags: ftbfs-gcc-6 gcc-6-reference-ambiguous
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 -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -DGMPRATIONAL -Wuninitialized -c app_secondaryfan.cpp
> app_secondaryfan.cpp: In member function 'virtual int SecondaryFanApplication::main()':
> app_secondaryfan.cpp:310:5: error: reference to 'rank' is ambiguous
> if(rank(A)!=A.getHeight())
> ^~~~
>
> In file included from symmetriccomplex.h:11:0,
> from symmetrictraversal.h:4,
> from enumeration.h:69,
> from reversesearch.h:4,
> from app_secondaryfan.cpp:8:
> matrix.h:150:5: note: candidates are: int rank(const IntegerMatrix&)
> int rank(IntegerMatrix const &m);
> ^~~~
>
> In file included from /usr/include/c++/6/bits/move.h:57:0,
> from /usr/include/c++/6/bits/stl_pair.h:59,
> from /usr/include/c++/6/bits/stl_algobase.h:64,
> from /usr/include/c++/6/bits/char_traits.h:39,
> from /usr/include/c++/6/string:40,
> from parser.h:4,
> from app_secondaryfan.cpp:1:
> /usr/include/c++/6/type_traits:1471:12: note: template<class> struct std::rank
> struct rank
> ^~~~
>
> app_secondaryfan.cpp:345:8: error: reference to 'rank' is ambiguous
> if(rank(A)!=A.getHeight())
> ^~~~
>
> In file included from symmetriccomplex.h:11:0,
> from symmetrictraversal.h:4,
> from enumeration.h:69,
> from reversesearch.h:4,
> from app_secondaryfan.cpp:8:
> matrix.h:150:5: note: candidates are: int rank(const IntegerMatrix&)
> int rank(IntegerMatrix const &m);
> ^~~~
>
> In file included from /usr/include/c++/6/bits/move.h:57:0,
> from /usr/include/c++/6/bits/stl_pair.h:59,
> from /usr/include/c++/6/bits/stl_algobase.h:64,
> from /usr/include/c++/6/bits/char_traits.h:39,
> from /usr/include/c++/6/string:40,
> from parser.h:4,
> from app_secondaryfan.cpp:1:
> /usr/include/c++/6/type_traits:1471:12: note: template<class> struct std::rank
> struct rank
> ^~~~
>
> Makefile:438: recipe for target 'app_secondaryfan.o' failed
> make[1]: *** [app_secondaryfan.o] Error 1
--
Martin Michlmayr
Linux for HPE Helion, Hewlett Packard Enterprise
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