--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2008-09-01  Bruno Haible  <bruno@clisp.org>
+
+	Split module 'filename' into 'filename' and 'concat-filename'.
+	* modules/filename: Keep only lib/filename.h.
+	(License): Change to LGPLv2+.
+	* modules/concat-filename: New file, extracted from modules/filename.
+	* lib/filename.h (concatenated_filename): Remove declaration.
+	* lib/concat-filename.h: New file, extracted from lib/filename.h.
+	* lib/concat-filename.c: Include concat-filename.h.
+	* NEWS: Mention the change.
+
 2008-09-01  Simon Josefsson  <simon@josefsson.org>
 
 	* lib/bitrotate.h (rotl8, rotr8): Add.

--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,11 @@
 
 Date        Modules         Changes
 
+2008-09-01  filename        The module does not define the function
+                            concatenated_filename any more. To get this
+                            function, use module 'concat-filename' and the
+                            include file "concat-filename.h".
+
 2008-08-31  havelib         On Solaris, when searching for 64-bit mode
                             libraries the directory $prefix/lib is now ignored.
                             Instead the directory $prefix/lib/64 is searched.

--- a/lib/concat-filename.c
+++ b/lib/concat-filename.c
@@ -1,5 +1,5 @@
-/* Construct a full pathname from a directory and a filename.
-   Copyright (C) 2001-2004, 2006-2007 Free Software Foundation, Inc.
+/* Construct a full filename from a directory and a relative filename.
+   Copyright (C) 2001-2004, 2006-2008 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
@@ -19,10 +19,11 @@
 #include <config.h>
 
 /* Specification.  */
-#include "filename.h"
+#include "concat-filename.h"
 
 #include <string.h>
 
+#include "filename.h"
 #include "xalloc.h"
 
 /* Concatenate a directory filename, a relative filename and an optional

new file mode 100644
--- /dev/null
+++ b/lib/concat-filename.h
@@ -0,0 +1,35 @@
+/* Construct a full filename from a directory and a relative filename.
+   Copyright (C) 2001-2004, 2007-2008 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _CONCAT_FILENAME_H
+#define _CONCAT_FILENAME_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Concatenate a directory filename, a relative filename and an optional
+   suffix.  Return a freshly allocated filename.  */
+extern char *concatenated_filename (const char *directory,
+				    const char *filename, const char *suffix);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CONCAT_FILENAME_H */

--- a/lib/filename.h
+++ b/lib/filename.h
@@ -1,5 +1,5 @@
-/* Pathname support.
-   Copyright (C) 2001-2004, 2007 Free Software Foundation, Inc.
+/* Basic filename support macros.
+   Copyright (C) 2001-2004, 2007-2008 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -46,10 +46,6 @@
 # define FILE_SYSTEM_PREFIX_LEN(P) 0
 #endif
 
-/* Concatenate a directory filename, a relative filename and an optional
-   suffix.  Return a freshly allocated filename.  */
-extern char *concatenated_filename (const char *directory,
-				    const char *filename, const char *suffix);
 
 #ifdef __cplusplus
 }

new file mode 100644
--- /dev/null
+++ b/modules/concat-filename
@@ -0,0 +1,27 @@
+Description:
+Construct a full filename by concatenating a directory name, a relative
+filename, and a suffix.
+
+Files:
+lib/concat-filename.h
+lib/concat-filename.c
+
+Depends-on:
+filename
+xalloc
+stpcpy
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += concat-filename.c
+
+Include:
+"concat-filename.h"
+
+License:
+GPL
+
+Maintainer:
+Bruno Haible
+

--- a/modules/filename
+++ b/modules/filename
@@ -1,25 +1,20 @@
 Description:
-Construct a full filename by concatenating a directory name, a relative
-filename, and a suffix.
+Basic filename support macros.
 
 Files:
 lib/filename.h
-lib/concat-filename.c
 
 Depends-on:
-xalloc
-stpcpy
 
 configure.ac:
 
 Makefile.am:
-lib_SOURCES += concat-filename.c
 
 Include:
 "filename.h"
 
 License:
-GPL
+LGPLv2+
 
 Maintainer:
 Bruno Haible