annotate host/infra/acinclude.m4 @ 76:435cced73e2f ecos-v1_3_1-release

eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
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children 6ed91473a1cd
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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1 dnl Process this file with aclocal to get an aclocal.m4 file. Then
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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2 dnl process that with autoconf.
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3 dnl ====================================================================
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4 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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5 dnl acinclude.m4
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6 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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7 dnl Host side implementation of the eCos infrastructure.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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8 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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9 dnl ====================================================================
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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10 dnl####COPYRIGHTBEGIN####
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11 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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12 dnl ----------------------------------------------------------------------------
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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13 dnl Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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14 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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15 dnl This file is part of the eCos host tools.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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16 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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17 dnl This program is free software; you can redistribute it and/or modify it
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18 dnl under the terms of the GNU General Public License as published by the Free
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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19 dnl Software Foundation; either version 2 of the License, or (at your option)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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20 dnl any later version.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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21 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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22 dnl This program is distributed in the hope that it will be useful, but WITHOUT
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23 dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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24 dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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25 dnl more details.
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26 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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27 dnl You should have received a copy of the GNU General Public License along with
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28 dnl this program; if not, write to the Free Software Foundation, Inc.,
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29 dnl 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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30 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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31 dnl ----------------------------------------------------------------------------
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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32 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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33 dnl####COPYRIGHTEND####
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34 dnl ====================================================================
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35 dnl#####DESCRIPTIONBEGIN####
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36 dnl
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37 dnl Author(s): bartv
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38 dnl Contact(s): bartv
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39 dnl Date: 1998/07/14
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40 dnl Version: 0.01
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41 dnl
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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42 dnl####DESCRIPTIONEND####
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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43 dnl ====================================================================
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44
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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45 dnl Access shared macros.
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46 dnl AM_CONDITIONAL needs to be mentioned here or else aclocal does not
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47 dnl incorporate the macro into aclocal.m4
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48 sinclude(../acinclude.m4)
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49
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50
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51 dnl ====================================================================
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52 dnl Look for a 64 bit data type. It is necessary to check both C and C++
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53 dnl compilers.
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54 dnl
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55 dnl A better implementation would check whether or not AC_PROG_CC and
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56 dnl AC_PROG_CXX have been invoked and only test the appropriate
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57 dnl compiler.
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58
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59 AC_DEFUN(CYG_AC_TYPE_64bit, [
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60 AC_REQUIRE([AC_PROG_CC])
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61 AC_REQUIRE([AC_PROG_CXX])
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62
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63 AC_CACHE_CHECK("for a 64 bit data type",cyg_ac_cv_type_64bit,[
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64 for type in "long" "long long" "__int64"; do
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65 AC_LANG_SAVE
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66 AC_LANG_C
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67 AC_TRY_RUN([
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68 main() {
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69 return 8 != sizeof($type);
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70 }
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71 ],ctype_64bit=$type,ctype_64bit="unknown",ctype_64bit="unknown")
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72 AC_LANG_CPLUSPLUS
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73 AC_TRY_RUN([
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74 int main(int argc, char ** argv) {
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75 return 8 != sizeof($type);
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76 }
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77 ],cxxtype_64bit=$type,cxxtype_64bit="unknown",cxxtype_64bit="unknown")
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78 AC_LANG_RESTORE
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79 if test "${ctype_64bit}" = "${type}" -a "${cxxtype_64bit}" = "${type}"; then
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80 cyg_ac_cv_type_64bit="${type}"
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81 break
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82 fi
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83 done
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84 ])
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85 if test "${cyg_ac_cv_type_64bit}" = ""; then
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86 AC_MSG_ERROR(Unable to figure out how to do 64 bit arithmetic)
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87 else
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88 if test "${cyg_ac_cv_type_64bit}" != "long long"; then
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89 AC_DEFINE_UNQUOTED(cyg_halint64,${cyg_ac_cv_type_64bit})
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90 AC_DEFINE_UNQUOTED(cyg_halcount64,${cyg_ac_cv_type_64bit})
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91 fi
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92 fi
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93 ])
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94
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95 dnl ====================================================================
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96 dnl Check that both the C and C++ compilers support __PRETTY_FUNCTION__
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97
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98 AC_DEFUN(CYG_AC_C_PRETTY_FUNCTION,[
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99 AC_REQUIRE([AC_PROG_CC])
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100 AC_REQUIRE([AC_PROG_CXX])
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101
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102 AC_CACHE_CHECK("for __PRETTY_FUNCTION__ support",cyg_ac_cv_c_pretty_function,[
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103 AC_LANG_SAVE
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104 AC_LANG_C
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105 AC_TRY_LINK(
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106 [#include <stdio.h>],
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107 [puts(__PRETTY_FUNCTION__);],
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108 c_ok="yes",
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109 c_ok="no"
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110 )
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111 AC_LANG_CPLUSPLUS
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112 AC_TRY_LINK(
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113 [#include <cstdio>],
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114 [puts(__PRETTY_FUNCTION__);],
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115 cxx_ok="yes",
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116 cxx_ok="no"
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117 )
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118 AC_LANG_RESTORE
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119 if test "${c_ok}" = "yes" -a "${cxx_ok}" = "yes"; then
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120 cyg_ac_cv_c_pretty_function="yes"
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121 fi
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122 ])
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123 if test "${cyg_ac_cv_c_pretty_function}" = "yes"; then
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124 AC_DEFINE(CYGDBG_INFRA_DEBUG_FUNCTION_PSEUDOMACRO)
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125 fi
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126 ])
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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