source: trunk/third/autoconf/autoheader.m4 @ 13391

Revision 13391, 2.5 KB checked in by ghudson, 25 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r13390, which included commits to RCS files with non-trunk default branches.
Line 
1dnl Driver and redefinitions of some Autoconf macros for autoheader.
2dnl This file is part of Autoconf.
3dnl Copyright (C) 1994, 1995 Free Software Foundation, Inc.
4dnl
5dnl This program is free software; you can redistribute it and/or modify
6dnl it under the terms of the GNU General Public License as published by
7dnl the Free Software Foundation; either version 2, or (at your option)
8dnl any later version.
9dnl
10dnl This program is distributed in the hope that it will be useful,
11dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
12dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13dnl GNU General Public License for more details.
14dnl
15dnl You should have received a copy of the GNU General Public License
16dnl along with this program; if not, write to the Free Software
17dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
18dnl 02111-1307, USA.
19dnl
20dnl Written by Roland McGrath.
21dnl
22include(acgeneral.m4)dnl
23builtin(include, acspecific.m4)dnl
24builtin(include, acoldnames.m4)dnl
25
26dnl These are alternate definitions of some macros, which produce
27dnl strings in the output marked with "@@@" so we can easily extract
28dnl the information we want.  The `#' at the end of the first line of
29dnl each definition seems to be necessary to prevent m4 from eating
30dnl the newline, which makes the @@@ not always be at the beginning of
31dnl a line.
32
33define([AC_CHECK_FUNCS], [#
34@@@funcs="$funcs $1"@@@
35ifelse([$2], , , [
36# If it was found, we do:
37$2
38# If it was not found, we do:
39$3
40])
41])
42
43define([AC_CHECK_HEADERS], [#
44@@@headers="$headers $1"@@@
45ifelse([$2], , , [
46# If it was found, we do:
47$2
48# If it was not found, we do:
49$3
50])
51])
52
53define([AC_CHECK_HEADERS_DIRENT], [#
54@@@headers="$headers $1"@@@
55])
56
57define([AC_CHECK_LIB], [#
58  ifelse([$3], , [
59@@@libs="$libs $1"@@@
60], [
61# If it was found, we do:
62$3
63# If it was not found, we do:
64$4
65])
66])
67
68define([AC_HAVE_LIBRARY], [#
69changequote(<<, >>)dnl
70define(<<AC_LIB_NAME>>, dnl
71patsubst(patsubst($1, <<lib\([^\.]*\)\.a>>, <<\1>>), <<-l>>, <<>>))dnl
72changequote([, ])dnl
73  ifelse([$2], , [
74@@@libs="$libs AC_LIB_NAME"@@@
75], [
76# If it was found, we do:
77$2
78# If it was not found, we do:
79$3
80])
81])
82
83define([AC_CHECK_SIZEOF], [#
84@@@types="$types,$1"@@@
85])
86
87define([AC_CONFIG_HEADER], [#
88define([AC_CONFIG_H], patsubst($1, [ .*$], []))dnl
89@@@config_h=AC_CONFIG_H@@@
90])
91
92define([AC_DEFINE], [#
93ifelse([$3],,[#
94@@@syms="$syms $1"@@@
95], [#
96@@@verbatim="$verbatim
97/* $3 */
98#undef $1
99"@@@
100])])
101
102define([AC_DEFINE_UNQUOTED], [#
103ifelse([$3],,[#
104@@@syms="$syms $1"@@@
105], [#
106@@@verbatim="$verbatim
107/* $3 */
108#undef $1
109"@@@
110])])
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