Index: head/sysutils/k3b-kde4/files/patch-git_1777236
===================================================================
--- head/sysutils/k3b-kde4/files/patch-git_1777236	(revision 459639)
+++ head/sysutils/k3b-kde4/files/patch-git_1777236	(revision 459640)
@@ -1,67 +1,67 @@
 Fix the build with clang 6, which defaults to -std=gnu++14
 
 plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:264:20: error: comparison between pointer and integer ('char *' and 'int')
     if( ade->value != '\0' )
         ~~~~~~~~~~ ^  ~~~~
 plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:277:20: error: comparison between pointer and integer ('char *' and 'int')
     if( ade->value != '\0' )
         ~~~~~~~~~~ ^  ~~~~
 plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:290:20: error: comparison between pointer and integer ('char *' and 'int')
     if( ade->value != '\0' )
         ~~~~~~~~~~ ^  ~~~~
 
 commit 1777236203f21eed7a9baade632472094c8081d3
 Author: Pino Toscano <pino@kde.org>
 Date:   Sat Feb 4 10:48:45 2017 +0100
 
     ffmpeg: fix/simplify metadata conversion to string
 
     Comparing a pointer with an integer value is (correctly) an error with
     GCC 7.
 
 diff --git a/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp b/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
 index a4fc784b5..22928b279 100644
 --- plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
 +++ plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
 @@ -259,12 +259,7 @@ QString K3bFFMpegFile::title() const
  {
      // FIXME: is this UTF8 or something??
      AVDictionaryEntry *ade = av_dict_get( d->formatContext->metadata, "TITLE", NULL, 0 );
 -    if( ade == NULL )
 -        return QString();
 -    if( ade->value != '\0' )
 -        return QString::fromLocal8Bit( ade->value );
 -    else
 -        return QString();
-+    return ade && ade->value[0] != '\0' ? QString::fromLocal8Bit( ade->value ) : QString();
++    return ade && ade->value && ade->value[0] != '\0' ? QString::fromLocal8Bit( ade->value ) : QString();
  }
  
  
 @@ -272,12 +267,7 @@ QString K3bFFMpegFile::author() const
  {
      // FIXME: is this UTF8 or something??
      AVDictionaryEntry *ade = av_dict_get( d->formatContext->metadata, "ARTIST", NULL, 0 );
 -    if( ade == NULL )
 -        return QString();
 -    if( ade->value != '\0' )
 -        return QString::fromLocal8Bit( ade->value );
 -    else
 -        return QString();
-+    return ade && ade->value[0] != '\0' ? QString::fromLocal8Bit( ade->value ) : QString();
++    return ade && ade->value && ade->value[0] != '\0' ? QString::fromLocal8Bit( ade->value ) : QString();
  }
  
  
 @@ -285,12 +275,7 @@ QString K3bFFMpegFile::comment() const
  {
      // FIXME: is this UTF8 or something??
      AVDictionaryEntry *ade = av_dict_get( d->formatContext->metadata, "COMMENT", NULL, 0 );
 -    if( ade == NULL )
 -        return QString();
 -    if( ade->value != '\0' )
 -        return QString::fromLocal8Bit( ade->value );
 -    else
 -        return QString();
-+    return ade && ade->value[0] != '\0' ? QString::fromLocal8Bit( ade->value ) : QString();
++    return ade && ade->value && ade->value[0] != '\0' ? QString::fromLocal8Bit( ade->value ) : QString();
  }