Initial revision

diff --git a/autoheader.m4 b/autoheader.m4
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+dnl Driver and redefinitions of some Autoconf macros for autoheader.
+dnl This file is part of Autoconf.
+dnl Copyright (C) 1994 Free Software Foundation, Inc.
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2, or (at your option)
+dnl any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+dnl
+dnl Written by Roland McGrath.
+dnl
+include(acgeneral.m4)dnl
+builtin(include, acspecific.m4)dnl
+builtin(include, acoldnames.m4)dnl
+dnl
+dnl These are the alternate definitions of the acgeneral.m4 macros we want to
+dnl redefine.  They produce strings in the output marked with "@@@" so we can
+dnl easily extract the information we want.  The `#' at the end of the first
+dnl line of each definition seems to be necessary to prevent m4 from eating
+dnl the newline, which makes the @@@ not always be at the beginning of a line.
+dnl
+define([AC_DEFINE],[#
+@@@syms="$syms $1"@@@
+])dnl
+define([AC_DEFINE_UNQUOTED],[#
+@@@syms="$syms $1"@@@
+])dnl
+define([AC_SIZEOF_TYPE],[#
+@@@types="$types,$1"@@@
+])dnl
+define([AC_CHECK_FUNCS],[#
+@@@funcs="$funcs $1"@@@
+])dnl
+define([AC_CHECK_HEADERS],[#
+@@@headers="$headers $1"@@@
+])dnl
+define([AC_CONFIG_HEADER],[#
+@@@config_h=$1@@@
+])dnl
+define([AC_CHECK_LIB], [#
+changequote(/,/)dnl
+define(/libname/, dnl
+patsubst(patsubst($1, /lib\([^\.]*\)\.a/, /\1/), /-l/, //))dnl
+changequote([,])dnl
+  ifelse([$3], , [
+@@@libs="$libs libname"@@@
+], [
+# If it was found, we do:
+$3
+# If it was not found, we do:
+$4
+])
+])dnl
+dnl