Package: dwarfutils
Version: 20120410-2
Severity: important
User: debian-...@lists.debian.org
Usertags: ftbfs-gcc-6 gcc-6-no-match

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++  -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -I. -I. 
> -I./../libdwarf -DCONFPREFIX=/<<PKGBUILDDIR>>/debian/dwarfdump2/lib  
> -Wdate-time -D_FORTIFY_SOURCE=2  -c -o print_die.o print_die.cc
> print_die.cc: In function 'bool print_attribute(Dwarf_Debug, Dwarf_Die, 
> Dwarf_Half, Dwarf_Attribute, bool, int, SrcfilesHolder&)':
> print_die.cc:1967:58: error: no match for 'operator<<' (operand types are 
> 'std::basic_ostream<char>' and 'std::ostream {aka std::basic_ostream<char>}')
>                                  cout << "Low = " <<
>                                  ~~~~~~~~~~~~~~~~~~~       
>                                      IToHex0N(lowAddr,10) <<
>                                      ~~~~~~~~~~~~~~~~~~~~~^~
>                                  cout << "High = " <<
>                                  ~~~~                      
> 
> print_die.cc:1967:58: note: candidate: operator<<(int, int) <built-in>
> print_die.cc:1967:58: note:   no known conversion for argument 2 from 
> 'std::ostream {aka std::basic_ostream<char>}' to 'int'
> In file included from /usr/include/c++/6/iostream:39:0,
>                  from globals.h:93,
>                  from print_die.cc:44:
> /usr/include/c++/6/ostream:108:7: note: candidate: std::basic_ostream<_CharT, 
> _Traits>::__ostream_type& std::basic_ostream<_CharT, 
> _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& 
> (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = 
> char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, 
> _Traits>::__ostream_type = std::basic_ostream<char>]
>        operator<<(__ostream_type& (*__pf)(__ostream_type&))
>        ^~~~~~~~
> 
> /usr/include/c++/6/ostream:108:7: note:   no known conversion for argument 1 
> from 'std::ostream {aka std::basic_ostream<char>}' to 
> 'std::basic_ostream<char>::__ostream_type& 
> (*)(std::basic_ostream<char>::__ostream_type&) {aka std::basic_ostream<char>& 
> (*)(std::basic_ostream<char>&)}'
> /usr/include/c++/6/ostream:117:7: note: candidate: std::basic_ostream<_CharT, 
> _Traits>::__ostream_type& std::basic_ostream<_CharT, 
> _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ios_type& 
> (*)(std::basic_ostream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; 
> _Traits = std::char_traits<char>; std::basic_ostream<_CharT, 
> _Traits>::__ostream_type = std::basic_ostream<char>; 
> std::basic_ostream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]
>        operator<<(__ios_type& (*__pf)(__ios_type&))
>        ^~~~~~~~
>                                  cout << "High = " <<
...
> 
> /usr/include/c++/6/ostream:628:5: note:   conversion of argument 1 would be 
> ill-formed:
> print_die.cc:1966:50: error: cannot bind 'std::basic_ostream<char>' lvalue to 
> 'std::basic_ostream<char>&&'
>                                  cout << "Low = " <<
>                                  ~~~~~~~~~~~~~~~~~^~
>                                      IToHex0N(lowAddr,10) <<

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

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