Package: ndppd
Version: 0.2.4-1
Severity: important
User: debian-...@lists.debian.org
Usertags: ftbfs-gcc-6 gcc-6-narrowing

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++ -c -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong 
> -Wformat -Werror=format-security -o src/iface.o src/iface.cc
> src/iface.cc: In static member function 'static ndppd::ptr<ndppd::iface> 
> ndppd::iface::open_pfd(const string&)':
> src/iface.cc:153:5: error: narrowing conversion of '-1' from 'int' to '__u32 
> {aka unsigned int}' inside { } [-Wnarrowing]
>      };
>      ^
> 
> Makefile:37: recipe for target 'src/iface.o' failed
> make[1]: *** [src/iface.o] Error 1

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

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