Sync with version from gettext-0.13.1.

diff --git a/m4/onceonly.m4 b/m4/onceonly.m4
index 9fc510e06ee1fcc86163ffdb4c47389b6e7ea7f7..50b33f489fe9f86762b06d7e4af2ed6993c4d4d7 100644 (file)
--- a/m4/onceonly.m4
+++ b/m4/onceonly.m4
@@ -1,5 +1,5 @@
-# onceonly_2_57.m4 serial 3
-dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
+# 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
@@ -21,11 +21,6 @@ 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 is like onceonly.m4, except that it uses diversions to named sections
-dnl DEFAULTS and INIT_PREPARE in order to check all requested headers at once,
-dnl thus reducing the size of 'configure'. Works with autoconf-2.57. The
-dnl size reduction is ca. 9%.
-
 dnl Autoconf version 2.57 or newer is recommended.
 AC_PREREQ(2.54)
 
@@ -34,23 +29,14 @@ AC_PREREQ(2.54)
 AC_DEFUN([AC_CHECK_HEADERS_ONCE], [
   :
   AC_FOREACH([gl_HEADER_NAME], [$1], [
-    AC_DEFUN([gl_CHECK_HEADER_]m4_quote(translit(gl_HEADER_NAME,
-                                                 [./-], [___])), [
-      m4_divert_text([INIT_PREPARE],
-        [gl_header_list="$gl_header_list gl_HEADER_NAME"])
-      gl_HEADERS_EXPANSION
-      AH_TEMPLATE(AS_TR_CPP([HAVE_]m4_defn([gl_HEADER_NAME])),
-        [Define to 1 if you have the <]m4_defn([gl_HEADER_NAME])[> header file.])
+    AC_DEFUN([gl_CHECK_HEADER_]m4_quote(translit(m4_defn([gl_HEADER_NAME]),
+                                                 [-./], [___])), [
+      AC_CHECK_HEADERS(gl_HEADER_NAME)
     ])
     AC_REQUIRE([gl_CHECK_HEADER_]m4_quote(translit(gl_HEADER_NAME,
-                                                   [./-], [___])))
+                                                   [-./], [___])))
   ])
 ])
-m4_define([gl_HEADERS_EXPANSION], [
-  m4_divert_text([DEFAULTS], [gl_header_list=])
-  AC_CHECK_HEADERS([$gl_header_list])
-  m4_define([gl_HEADERS_EXPANSION], [])
-])
 
 # AC_CHECK_FUNCS_ONCE(FUNC1 FUNC2 ...) is a once-only variant of
 # AC_CHECK_FUNCS(FUNC1 FUNC2 ...).
@@ -58,20 +44,11 @@ AC_DEFUN([AC_CHECK_FUNCS_ONCE], [
   :
   AC_FOREACH([gl_FUNC_NAME], [$1], [
     AC_DEFUN([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME]), [
-      m4_divert_text([INIT_PREPARE],
-        [gl_func_list="$gl_func_list gl_FUNC_NAME"])
-      gl_FUNCS_EXPANSION
-      AH_TEMPLATE(AS_TR_CPP([HAVE_]m4_defn([gl_FUNC_NAME])),
-        [Define to 1 if you have the `]m4_defn([gl_FUNC_NAME])[' function.])
+      AC_CHECK_FUNCS(m4_defn([gl_FUNC_NAME]))
     ])
     AC_REQUIRE([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME]))
   ])
 ])
-m4_define([gl_FUNCS_EXPANSION], [
-  m4_divert_text([DEFAULTS], [gl_func_list=])
-  AC_CHECK_FUNCS([$gl_func_list])
-  m4_define([gl_FUNCS_EXPANSION], [])
-])
 
 # AC_CHECK_DECLS_ONCE(DECL1 DECL2 ...) is a once-only variant of
 # AC_CHECK_DECLS(DECL1, DECL2, ...).