X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fonceonly.m4;h=b86700f912acfc2873e655ca53d050056e57519d;hb=cc4a130ed35c81c2a22052934017471888d53167;hp=50b33f489fe9f86762b06d7e4af2ed6993c4d4d7;hpb=ff85e37832ac7c0927c33f67ce1c632cb5bc8898;p=gnulib.git

diff --git a/m4/onceonly.m4 b/m4/onceonly.m4
index 50b33f489..b86700f91 100644
--- a/m4/onceonly.m4
+++ b/m4/onceonly.m4
@@ -1,16 +1,14 @@
-# onceonly.m4 serial 3 (gettext-0.12)
-dnl Copyright (C) 2002, 2003 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.
+# onceonly.m4 serial 5 (gettext-0.15)
+dnl Copyright (C) 2002-2003, 2006 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.
 
 dnl This file defines some "once only" variants of standard autoconf macros.
-dnl   AC_CHECK_HEADERS_ONCE         like  AC_CHECK_HEADERS
-dnl   AC_CHECK_FUNCS_ONCE           like  AC_CHECK_FUNCS
-dnl   AC_CHECK_DECLS_ONCE           like  AC_CHECK_DECLS
-dnl   AC_REQUIRE([AC_HEADER_STDC])  like  AC_HEADER_STDC
+dnl   AC_CHECK_HEADERS_ONCE          like  AC_CHECK_HEADERS
+dnl   AC_CHECK_FUNCS_ONCE            like  AC_CHECK_FUNCS
+dnl   AC_CHECK_DECLS_ONCE            like  AC_CHECK_DECLS
+dnl   AC_REQUIRE([AC_FUNC_STRCOLL])  like  AC_FUNC_STRCOLL
 dnl The advantage is that the check for each of the headers/functions/decls
 dnl will be put only once into the 'configure' file. It keeps the size of
 dnl the 'configure' file down, and avoids redundant output when 'configure'
@@ -21,6 +19,11 @@ dnl inside an AC_DEFUNed function, the gl_CHECK_HEADERS macro call expands to
 dnl empty, and the check will be inserted before the body of the AC_DEFUNed
 dnl function.
 
+dnl This file is only needed in autoconf <= 2.59.  Newer versions of autoconf
+dnl have this macro built-in.  But about AC_CHECK_DECLS_ONCE: note that in
+dnl autoconf >= 2.60 the symbol separator is a comma, whereas here it is
+dnl whitespace.
+
 dnl Autoconf version 2.57 or newer is recommended.
 AC_PREREQ(2.54)