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