Remove a reference to __DATE__ from yasm for non official builds.

frontends/yasm/yasm.c

 /*
  * Program entry point, command line parsing
  *
  *  Copyright (C) 2001-2007  Peter Johnson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 195 matching lines @@
       N_("append argument to name of all external symbols"), N_("suffix") },
 #ifdef CMAKE_BUILD
     { 'N', "plugin", 1, opt_plugin_handler, 0,
       N_("load plugin module"), N_("plugin") },
 #endif
 };
 
 /* version message */
 /*@observer@*/ static const char *version_msg[] = {
     PACKAGE_STRING,
+#if !defined(DONT_EMBED_BUILD_METADATA) || defined(OFFICIAL_BUILD)
     "Compiled on " __DATE__ ".",
+#endif
     "Copyright (c) 2001-2011 Peter Johnson and other Yasm developers.",
     "Run yasm --license for licensing overview and summary."
 };
 
 /* help messages */
 /*@observer@*/ static const char *help_head = N_(
     "usage: yasm [option]* file\n"
     "Options:\n");
 /*@observer@*/ static const char *help_tail = N_(
     "\n"
@@ skipping 1158 matching lines @@
 static void
 print_yasm_warning(const char *filename, unsigned long line, const char *msg)
 {
     if (line)
         fprintf(errfile, fmt[ewmsg_style], filename, line, _("warning: "),
                 msg);
     else
         fprintf(errfile, fmt_noline[ewmsg_style], filename, _("warning: "),
                 msg);
 }