New file. From coreutils.

[gnulib.git] / m4 / strdup.m4

diff --git a/m4/strdup.m4 b/m4/strdup.m4
index 6e64bc8..42325ab 100644 (file)
--- a/m4/strdup.m4
+++ b/m4/strdup.m4
@@ -1,20 +1,17 @@
-# strdup.m4 serial 3
-dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# strdup.m4 serial 6
+dnl Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_STRDUP],
 [
+  AC_LIBSOURCES([strdup.c, strdup.h])
+
   AC_REPLACE_FUNCS(strdup)
-  if test $ac_cv_func_strdup = no; then
-    gl_PREREQ_STRDUP
-  fi
+  AC_CHECK_DECLS_ONCE(strdup)
+  gl_PREREQ_STRDUP
 ])
 
-# Prerequisites of lib/strdup.h and lib/strdup.c.
-AC_DEFUN([gl_PREREQ_STRDUP], [
-  AC_CHECK_DECLS(strdup)
-])
+# Prerequisites of lib/strdup.c.
+AC_DEFUN([gl_PREREQ_STRDUP], [:])