[gstreamermm] generate_plugin_gmmproc_file: Minor improvements.

[Murray Cumming <murrayc src gnome org>]

commit 47927e5d5f8309f4b9fb21231c946d173fc94e76
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Aug 3 12:07:17 2009 +0200

    generate_plugin_gmmproc_file: Minor improvements.
    
    * tools/extra_defs_gen/generate_plugin_gmmproc_file.cc:
    Output a warning to stdcerr if the element type is not recognized, to help
    people just playing with this on the command line.
    Add a note to the .hg that the file is generated by this tool, to help people
    who might try to edit the generated file.

 ChangeLog                                          |   10 ++++++++++
 .../extra_defs_gen/generate_plugin_gmmproc_file.cc |    5 ++++-
 2 files changed, 14 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 192a5d4..497cfd6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2009-08-03  Murray Cumming  <murrayc murrayc com>
+
+	generate_plugin_gmmproc_file: Minor improvements.
+	
+	* tools/extra_defs_gen/generate_plugin_gmmproc_file.cc: 
+	Output a warning to stdcerr if the element type is not recognized, to help 
+	people just playing with this on the command line.
+	Add a note to the .hg that the file is generated by this tool, to help people 
+	who might try to edit the generated file.
+
 2009-08-02  José Alburquerque  <jaalburqu svn gnome org>
 
 	Added TODO in typefind.hg.
diff --git a/tools/extra_defs_gen/generate_plugin_gmmproc_file.cc b/tools/extra_defs_gen/generate_plugin_gmmproc_file.cc
index 3a8d51d..0b17c5c 100644
--- a/tools/extra_defs_gen/generate_plugin_gmmproc_file.cc
+++ b/tools/extra_defs_gen/generate_plugin_gmmproc_file.cc
@@ -519,6 +519,7 @@ void generate_hg_file(const Glib::ustring& includeMacroCalls,
   const Glib::ustring& propertyWrapStatements,
   const Glib::ustring& signalWrapStatements)
 {
+  std::cout << "// Generated by run_generate_plugin_gmmproc_file. Don't edit this file." << std::endl << std::endl;
   std::cout << "include(plugingen_base.m4)dnl" << std::endl;
   std::cout << "changecom()dnl" << std::endl;
   std::cout << "#include <" << parentInclude << "/" <<
@@ -853,6 +854,8 @@ int main(int argc, char* argv[])
   }
   else
   {
+    std::cerr << "Unrecognized Gstreamer element type." << std::endl;
+   
     if(confirmExistence)
       return -1;
 
@@ -861,7 +864,7 @@ int main(int argc, char* argv[])
       std::cout << "_DEFS(" << target << "," << defsFile << ")" <<
         std::endl << std::endl;
 
-      std::cout << "// The build system does not have a plugin named " <<
+      std::cout << "// The build system does not know of a gstreamer plugin named " <<
         argv[1] << "." << std::endl;
       std::cout << "// A wrapper class for it was not generated." <<
         std::endl;