* m4/d-ino.m4 (gl_CHECK_TYPE_STRUCT_DIRENT_D_INO): Use better

[gnulib.git] / m4 / strndup.m4

diff --git a/m4/strndup.m4 b/m4/strndup.m4
index 65a50e8..baa6c03 100644 (file)
--- a/m4/strndup.m4
+++ b/m4/strndup.m4
@@ -1,5 +1,5 @@
-# strndup.m4 serial 10
-dnl Copyright (C) 2002-2003, 2005-2006 Free Software Foundation, Inc.
+# strndup.m4 serial 13
+dnl Copyright (C) 2002-2003, 2005-2007 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.
@@ -9,7 +9,11 @@ AC_DEFUN([gl_FUNC_STRNDUP],
   dnl Persuade glibc <string.h> to declare strndup().
   AC_REQUIRE([AC_GNU_SOURCE])
 
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
   AC_CHECK_DECLS_ONCE([strndup])
+  if test $ac_cv_have_decl_strndup = no; then
+    HAVE_DECL_STRNDUP=0
+  fi
 
   # AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
   AC_CACHE_CHECK([for working strndup], gl_cv_func_strndup,
@@ -39,8 +43,7 @@ AC_DEFUN([gl_FUNC_STRNDUP],
     AC_DEFINE([HAVE_STRNDUP], 1,
       [Define if you have the strndup() function and it works.])
   else
-    AC_DEFINE([__STRNDUP_PREFIX], [[rpl_]],
-      [Define to rpl_ if the strndup replacement function should be used.])
+    HAVE_STRNDUP=0
     AC_LIBOBJ([strndup])
     gl_PREREQ_STRNDUP
   fi