fix gdb backtrace on FreeBSD

melak · jef-n · commit d6da4dee868f · 2013-09-09T13:47:34.000+02:00
diff --git a/src/app/main.cpp b/src/app/main.cpp
@@ -253,9 +253,15 @@ void qgisCrash( int signal )
   {
     // take full stacktrace using gdb
     // http://stackoverflow.com/questions/3151779/how-its-better-to-invoke-gdb-from-program-to-print-its-stacktrace
+    // unfortunately, this is not so simple. the proper method is way more OS-specific
+    // than this code would suggest, see http://stackoverflow.com/a/1024937
 
     char exename[512];
+#if defined(__FreeBSD__)
+    int len = readlink( "/proc/curproc/file", exename, sizeof( exename ) - 1 );
+#else
     int len = readlink( "/proc/self/exe", exename, sizeof( exename ) - 1 );
+#endif
     if ( len < 0 )
     {
       myPrint( "Could not read link (%d:%s)\n", errno, strerror( errno ) );
