Preserve timestamp of symlinks when extracting (if utimensat available)

[tar] / m4 / strndup.m4

diff --git a/m4/strndup.m4 b/m4/strndup.m4
index f7934ef820a21a18a09e6dfe6f202813e065d47f..4fa7d5a7c9356c170a8af76dce4ccfad95aacf7f 100644 (file)
--- a/m4/strndup.m4
+++ b/m4/strndup.m4
@@ -1,5 +1,5 @@
-# strndup.m4 serial 14
-dnl Copyright (C) 2002-2003, 2005-2007 Free Software Foundation, Inc.
+# strndup.m4 serial 16
+dnl Copyright (C) 2002-2003, 2005-2009 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.
@@ -16,10 +16,10 @@ AC_DEFUN([gl_FUNC_STRNDUP],
   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,
+  AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup],
     [AC_RUN_IFELSE([
-       AC_LANG_PROGRAM([#include <string.h>
-                       #include <stdlib.h>], [[
+       AC_LANG_PROGRAM([[#include <string.h>
+                        #include <stdlib.h>]], [[
 #ifndef HAVE_DECL_STRNDUP
   extern char *strndup (const char *, size_t);
 #endif
@@ -40,7 +40,7 @@ AC_DEFUN([gl_FUNC_STRNDUP],
              [gl_cv_func_strndup=yes])],
           [gl_cv_func_strndup=no])])])
   if test $gl_cv_func_strndup = yes; then
-    AC_DEFINE([HAVE_STRNDUP], 1,
+    AC_DEFINE([HAVE_STRNDUP], [1],
       [Define if you have the strndup() function and it works.])
   else
     HAVE_STRNDUP=0