X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fstrdup.m4;h=9964d15b1078dd061c09437d98daf5aa2156cf04;hb=2544ecc3ffdc44a0209c951cac5267d134352780;hp=08087063d82dd84d931a8007c6b257aa983d85cf;hpb=53b8fa05726a7fb30010e42ce02e44a35f0d7489;p=gnulib.git

diff --git a/m4/strdup.m4 b/m4/strdup.m4
index 08087063d..9964d15b1 100644
--- a/m4/strdup.m4
+++ b/m4/strdup.m4
@@ -1,5 +1,5 @@
-# strdup.m4 serial 1
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
+# strdup.m4 serial 4
+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
@@ -9,14 +9,9 @@ dnl the same distribution terms as the rest of that program.
 AC_DEFUN([gl_FUNC_STRDUP],
 [
   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.c.
-AC_DEFUN([gl_PREREQ_STRDUP], [
-  AC_REQUIRE([AC_HEADER_STDC])
-  :
-])
-
+AC_DEFUN([gl_PREREQ_STRDUP], [:])