diff --git a/tools/m4/convert.m4 b/tools/m4/convert.m4
index fa0df9c..722ef81 100644
--- a/tools/m4/convert.m4
+++ b/tools/m4/convert.m4
@@ -1,4 +1,19 @@
-dnl $Id$
+## Copyright (c) 2004-2010  Openismus GmbH  <http://www.openismus.com/>
+##
+## This file is part of gtkmm.
+##
+## gtkmm is free software: you can redistribute it and/or modify it
+## under the terms of the GNU Lesser General Public License as published
+## by the Free Software Foundation, either version 2.1 of the License,
+## or (at your option) any later version.
+##
+## gtkmm is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+## See the GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 # Other libraries, such as libgnomeuimm, can provide their own convert.m4 files,
 # Maybe choosing to include the same files as this one.
diff --git a/tools/m4/convert_atk.m4 b/tools/m4/convert_atk.m4
index df03f45..c414e3b 100644
--- a/tools/m4/convert_atk.m4
+++ b/tools/m4/convert_atk.m4
@@ -1,3 +1,20 @@
+## Copyright (c) 2004-2010  Openismus GmbH  <http://www.openismus.com/>
+##
+## This file is part of gtkmm.
+##
+## gtkmm is free software: you can redistribute it and/or modify it
+## under the terms of the GNU Lesser General Public License as published
+## by the Free Software Foundation, either version 2.1 of the License,
+## or (at your option) any later version.
+##
+## gtkmm is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+## See the GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
 include(convert_glib.m4)
 
 _EQUAL(State,AtkState)
diff --git a/tools/m4/convert_gdk.m4 b/tools/m4/convert_gdk.m4
index 0ab9132..b99da98 100644
--- a/tools/m4/convert_gdk.m4
+++ b/tools/m4/convert_gdk.m4
@@ -1,3 +1,20 @@
+## Copyright (c) 2004-2010  Openismus GmbH  <http://www.openismus.com/>
+##
+## This file is part of gtkmm.
+##
+## gtkmm is free software: you can redistribute it and/or modify it
+## under the terms of the GNU Lesser General Public License as published
+## by the Free Software Foundation, either version 2.1 of the License,
+## or (at your option) any later version.
+##
+## gtkmm is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+## See the GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
 include(convert_glib.m4)
 include(convert_gio.m4)
 
diff --git a/tools/m4/convert_gtk.m4 b/tools/m4/convert_gtk.m4
index fbd7223..6134869 100644
--- a/tools/m4/convert_gtk.m4
+++ b/tools/m4/convert_gtk.m4
@@ -1,4 +1,19 @@
-dnl $Id$
+## Copyright (c) 2004-2010  Openismus GmbH  <http://www.openismus.com/>
+##
+## This file is part of gtkmm.
+##
+## gtkmm is free software: you can redistribute it and/or modify it
+## under the terms of the GNU Lesser General Public License as published
+## by the Free Software Foundation, either version 2.1 of the License,
+## or (at your option) any later version.
+##
+## gtkmm is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+## See the GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 include(convert_glib.m4)
 
diff --git a/tools/m4/convert_gtkmm.m4 b/tools/m4/convert_gtkmm.m4
index 2fec25c..c045503 100644
--- a/tools/m4/convert_gtkmm.m4
+++ b/tools/m4/convert_gtkmm.m4
@@ -1,4 +1,19 @@
-dnl $Id$
+## Copyright (c) 2004-2010  Openismus GmbH  <http://www.openismus.com/>
+##
+## This file is part of gtkmm.
+##
+## gtkmm is free software: you can redistribute it and/or modify it
+## under the terms of the GNU Lesser General Public License as published
+## by the Free Software Foundation, either version 2.1 of the License,
+## or (at your option) any later version.
+##
+## gtkmm is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+## See the GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 include(convert_base.m4)
 include(convert_gtk.m4)
diff --git a/tools/m4/convert_pango.m4 b/tools/m4/convert_pango.m4
index 81c42fd..bfa10e3 100644
--- a/tools/m4/convert_pango.m4
+++ b/tools/m4/convert_pango.m4
@@ -1,3 +1,19 @@
+## Copyright (c) 2004-2010  Openismus GmbH  <http://www.openismus.com/>
+##
+## This file is part of gtkmm.
+##
+## gtkmm is free software: you can redistribute it and/or modify it
+## under the terms of the GNU Lesser General Public License as published
+## by the Free Software Foundation, either version 2.1 of the License,
+## or (at your option) any later version.
+##
+## gtkmm is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+## See the GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 # Enums:
 _CONV_ENUM(Pango,AttrType)
diff --git a/tools/m4/filelist.am b/tools/m4/filelist.am
index bc30567..426108e 100644
--- a/tools/m4/filelist.am
+++ b/tools/m4/filelist.am
@@ -1,4 +1,19 @@
+## Copyright (c) 2004-2010  Openismus GmbH  <http://www.openismus.com/>
+##
 ## This file is part of gtkmm.
+##
+## gtkmm is free software: you can redistribute it and/or modify it
+## under the terms of the GNU Lesser General Public License as published
+## by the Free Software Foundation, either version 2.1 of the License,
+## or (at your option) any later version.
+##
+## gtkmm is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+## See the GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 files_codegen_m4 =		\
 	convert.m4		\
