X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fsame.m4;h=30cdfd2ff9b59927201337b9875370b66134ca4b;hb=620e0d080536f8d8655e24b2965b05b95c00396d;hp=1957e0fe96a798651989fa5edefdcd135f96f839;hpb=62a39c7d945eb4160c206242b85c624fb2fb21fd;p=gnulib.git

diff --git a/m4/same.m4 b/m4/same.m4
index 1957e0fe9..30cdfd2ff 100644
--- a/m4/same.m4
+++ b/m4/same.m4
@@ -1,4 +1,4 @@
-# same.m4 serial 4
+# same.m4 serial 5
 dnl Copyright (C) 2002, 2003, 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,
@@ -10,6 +10,7 @@ AC_DEFUN([gl_SAME],
   AC_LIBOBJ([same])
 
   dnl Prerequisites of lib/same.c.
-  AC_CHECK_HEADERS_ONCE(unistd.h)
-  AC_CHECK_FUNCS(pathconf)
+  AC_REQUIRE([AC_SYS_LONG_FILE_NAMES])
+  AC_CHECK_HEADERS_ONCE([unistd.h])
+  AC_CHECK_FUNCS_ONCE([pathconf])
 ])