Package: libdkim
Version: 1:1.0.21-3
Severity: important
User: [email protected]
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++ -Wall -g -O2 -o dkimverify.o -c src/dkimverify.cpp
> src/dkimverify.cpp: In function 'unsigned int DecodeBase64(char*)':
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
>    
> -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
>                                                                               
>                     ^
> 
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
> src/dkimverify.cpp:221:98: error: narrowing conversion of '-1' from 'int' to 
> 'unsigned char' inside { } [-Wnarrowing]
...

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

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