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Merge from eCos master repository on 2001-05-18-01:30:05-BST
author jlarmour
date Fri, 18 May 2001 06:32:28 +0000
parents 25e238959bae
children f58bc1b2c2bc
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1 dnl Process this file with aclocal to get an aclocal.m4 file. Then
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2 dnl process that with autoconf.
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3 dnl ====================================================================
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4 dnl
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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 Various autoconf macros that are shared between different
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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8 dnl eCos packages.
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9 dnl
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10 dnl ====================================================================
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11 dnl####COPYRIGHTBEGIN####
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12 dnl
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13 dnl ----------------------------------------------------------------------------
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14 dnl Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
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15 dnl
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16 dnl This file is part of the eCos host tools.
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17 dnl
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18 dnl This program is free software; you can redistribute it and/or modify it
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19 dnl under the terms of the GNU General Public License as published by the Free
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20 dnl Software Foundation; either version 2 of the License, or (at your option)
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21 dnl any later version.
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22 dnl
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23 dnl This program is distributed in the hope that it will be useful, but WITHOUT
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24 dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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25 dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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26 dnl more details.
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27 dnl
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28 dnl You should have received a copy of the GNU General Public License along with
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29 dnl this program; if not, write to the Free Software Foundation, Inc.,
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30 dnl 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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31 dnl
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32 dnl ----------------------------------------------------------------------------
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33 dnl
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34 dnl####COPYRIGHTEND####
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35 dnl ====================================================================
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36 dnl#####DESCRIPTIONBEGIN####
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37 dnl
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38 dnl Author(s): bartv
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39 dnl Contact(s): bartv
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40 dnl Date: 1998/12/16
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41 dnl Version: 0.01
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42 dnl
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43 dnl####DESCRIPTIONEND####
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44 dnl ====================================================================
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45
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46 dnl ====================================================================
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47 dnl The AM_INIT_AUTOMAKE() will define a symbol VERSION for the
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48 dnl package's version number. Unfortunately this symbol is rather
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49 dnl hard to share if several different packages are involved, so this
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50 dnl macro is used to define an alternative symbol
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51
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52 AC_DEFUN(CYG_AC_SUBST_VERSION,[
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53 AC_REQUIRE([AM_INIT_AUTOMAKE])
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54 ifelse($#,1,,AC_MSG_ERROR([Invalid number of arguments passed to CYG AC_SUBST_VERSION]))
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55 AC_DEFINE_UNQUOTED($1, "$VERSION")
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56 ])
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57
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58 dnl ====================================================================
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59 dnl Provide support for an automake conditional MSVC. Also set a
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60 dnl variable MSVC to true or false, which may help other tests.
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61
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62 AC_DEFUN(CYG_AC_PROG_MSVC,[
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63 AC_REQUIRE([AC_PROG_CC])
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64 AC_REQUIRE([AC_PROG_CXX])
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65
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66 AC_MSG_CHECKING("for Visual C++")
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67 MSVC="no";
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68 if test "${CC}" = "cl" ; then
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69 MSVC="yes"
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70 fi
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71 if test "${CXX}" = "cl" ; then
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72 MSVC="yes"
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73 fi
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74 AM_CONDITIONAL(MSVC, test "${MSVC}" = "yes")
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75 AC_MSG_RESULT(${MSVC})
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76 ])
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77
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78 dnl ====================================================================
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79 dnl Set up sensible flags for the various different compilers. This
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80 dnl is achieved by manipulating AM-CFLAGS and AM-CXXFLAGS via a subst,
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81 dnl plus undoing the setting of CFLAGS and CXXFLAGS done by
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82 dnl the AC_PROC_CC and AC_PROG_CXX macros. Note that this relies
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83 dnl on knowing about the internals of those macros.
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84 dnl
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85 dnl There is no point in checking the cache, this macro does
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86 dnl not do any feature tests.
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87 dnl
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88 dnl The VC++ variant might benefit from -Za, but the header files
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89 dnl shipped with the compiler are incompatible with this option.
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90
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91 AC_DEFUN(CYG_AC_PROG_STANDARD_COMPILER_FLAGS, [
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92 AC_REQUIRE([AC_PROG_CC])
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93 AC_REQUIRE([AC_PROG_CXX])
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94 AC_REQUIRE([CYG_AC_PROG_MSVC])
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95
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96 AC_MSG_CHECKING("the default compiler flags")
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97
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98 dnl Add a user-settable flag to control whether or debugging info is
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99 dnl incorporated at compile-time.
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100 dnl
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101 dnl NOTE: there may also have to be a flag to control whether or
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102 dnl the VC++ multi-threading flags are enabled.
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103 cygflags_enable_debug="no"
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104 AC_ARG_ENABLE(debug,[ --enable-debug do a debug rather than a release build],
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105 [case "${enableval}" in
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106 yes) cygflags_enable_debug="yes" ;;
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107 *) cygflags_enable_debug="no" ;;
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108 esac])
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109
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110 dnl For VC++ builds also provide a flag for ANSI vs. unicode builds.
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111 dnl For now this does not actually affect the compiler flags.
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112 cygflags_enable_ansi="no"
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113 if test "${MSVC}" = "yes" ; then
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114 AC_ARG_ENABLE(ansi,[ --enable-ansi Do an ANSI rather than a unicode build],
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115 [case "${enableval}" in
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116 yes) cygflags_enable_ansi="yes" ;;
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117 *) cygflags_enable_ansi="no" ;;
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118 esac])
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119 fi
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120
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121 dnl Now we know what the user is after.
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122 if test "${GCC}" = "yes" ; then
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123 cyg_CFLAGS="-pipe -Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs"
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124 cyg_CXXFLAGS="-pipe -Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Woverloaded-virtual"
76
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125 elif test "${MSVC}" = "yes" ; then
159
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126 cyg_CFLAGS="-nologo -W3"
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127 cyg_CXXFLAGS="-nologo -W3 -GR -GX"
76
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128 else
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129 AC_MSG_ERROR("default flags for ${CC} are not known")
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130 fi
159
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131
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132 dnl Choose between debugging and optimization.
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133 if test "${cygflags_enable_debug}" = "yes" ; then
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134 if test "${GCC}" = "yes" ; then
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135 cyg_CFLAGS="${cyg_CFLAGS} -g -O0"
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136 cyg_CXXFLAGS="${cyg_CXXFLAGS} -g -O0"
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137 elif test "${MSVC}" = "yes" ; then
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138 cyg_CFLAGS="${cyg_CFLAGS} -MDd -Zi"
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139 cyg_CXXFLAGS="${cyg_CXXFLAGS} -MDd -Zi"
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140 fi
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141 else
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142 if test "${GCC}" = "yes" ; then
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143 cyg_CFLAGS="${cyg_CFLAGS} -O0"
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144 cyg_CXXFLAGS="${cyg_CXXFLAGS} -O0"
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145 elif test "${MSVC}" = "yes" ; then
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146 cyg_CFLAGS="${cyg_CFLAGS} -MD -O2"
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147 cyg_CXXFLAGS="${cyg_CXXFLAGS} -MD -O2"
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148 fi
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149 fi
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150
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151 CFLAGS="${ac_save_CFLAGS}"
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152 CXXFLAGS="${ac_save_CXXFLAGS}"
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153 AC_SUBST(cyg_CFLAGS)
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154 AC_SUBST(cyg_CXXFLAGS)
76
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155 AC_MSG_RESULT(done)
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156 ])
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157
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158 dnl --------------------------------------------------------------------
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159 dnl User-settable options for assertions and tracing.
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160 dnl
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161 dnl The settable options are:
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162 dnl --disable-asserts
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163 dnl --disable-preconditions
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164 dnl --disable-postconditions
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165 dnl --disable-invariants
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166 dnl --disable-loopinvariants
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167 dnl --disable-tracing
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168 dnl --disable-fntracing
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169
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170 AC_DEFUN(CYG_AC_ARG_INFRASTRUCTURE, [
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171
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172 AC_REQUIRE([CYG_AC_PROG_STANDARD_COMPILER_FLAGS])
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173
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174 if test "${cygflags_enable_debug}" = "yes" ; then
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175 cyginfra_asserts=yes
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176 cyginfra_preconditions=yes
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177 cyginfra_postconditions=yes
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178 cyginfra_invariants=yes
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179 cyginfra_loopinvariants=yes
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180 cyginfra_tracing=yes
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181 cyginfra_fntracing=yes
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182 else
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183 cyginfra_asserts=no
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184 cyginfra_preconditions=no
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185 cyginfra_postconditions=no
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186 cyginfra_invariants=no
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187 cyginfra_loopinvariants=no
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188 cyginfra_tracing=no
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189 cyginfra_fntracing=no
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190 fi
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191
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192 AC_ARG_ENABLE(asserts,[ --disable-asserts disable all assertions],
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193 [case "${enableval}" in
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194 yes) cyginfra_asserts=yes ;;
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195 no) cyginfra_asserts=no ;;
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196 *) AC_MSG_ERROR([bad value ${enableval} for disable-asserts option]) ;;
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197 esac])
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198 if test "${cyginfra_asserts}" = "yes"; then
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199 AC_DEFINE(CYGDBG_USE_ASSERTS)
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200 fi
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201
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202 AC_ARG_ENABLE(preconditions, [ --disable-preconditions disable a subset of the assertions],
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203 [case "${enableval}" in
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204 yes) cyginfra_preconditions=yes ;;
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205 no) cyginfra_preconditions=no ;;
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206 *) AC_MSG_ERROR([bad value ${enableval} for disable-preconditions option]) ;;
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207 esac])
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208 if test "${cyginfra_preconditions}" = "yes"; then
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209 AC_DEFINE(CYGDBG_INFRA_DEBUG_PRECONDITIONS)
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210 fi
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211
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212 AC_ARG_ENABLE(postconditions, [ --disable-postconditions disable a subset of the assertions],
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213 [case "${enableval}" in
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214 yes) cyginfra_postconditions=yes ;;
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215 no) cyginfra_postconditions=no ;;
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216 *) AC_MSG_ERROR([bad value ${enableval} for disable-postconditions option]) ;;
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217 esac])
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218 if test "${cyginfra_postconditions}" = "yes"; then
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219 AC_DEFINE(CYGDBG_INFRA_DEBUG_POSTCONDITIONS)
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220 fi
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221
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222 AC_ARG_ENABLE(invariants, [ --disable-invariants disable a subset of the assertions],
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223 [case "${enableval}" in
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224 yes) cyginfra_invariants=yes ;;
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225 no) cyginfra_invariants=no ;;
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226 *) AC_MSG_ERROR([bad value ${enableval} for disable-invariants option]) ;;
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227 esac])
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228 if test "${cyginfra_invariants}" = "yes"; then
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229 AC_DEFINE(CYGDBG_INFRA_DEBUG_INVARIANTS)
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230 fi
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231
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232 AC_ARG_ENABLE(loopinvariants, [ --disable-loopinvariants disable a subset of the assertions],
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233 [case "${enableval}" in
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234 yes) cyginfra_loopinvariants=yes ;;
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235 no) cyginfra_loopinvariants=no ;;
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236 *) AC_MSG_ERROR([bad value ${enableval} for disable-loopinvariants option]) ;;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
237 esac])
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238 if test "${cyginfra_loopinvariants}" = "yes"; then
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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239 AC_DEFINE(CYGDBG_INFRA_DEBUG_LOOP_INVARIANTS)
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240 fi
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241
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242 AC_ARG_ENABLE(tracing,[ --disable-tracing disable tracing],
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243 [case "${enableval}" in
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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244 yes) cyginfra_tracing=yes ;;
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245 no) cyginfra_tracing=no ;;
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246 *) AC_MSG_ERROR([bad value ${enableval} for disable-tracing option]) ;;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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247 esac])
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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248 if test "${cyginfra_tracing}" = "yes"; then
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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249 AC_DEFINE(CYGDBG_USE_TRACING)
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250 fi
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251
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252 AC_ARG_ENABLE(fntracing,[ --disable-fntracing disable function entry/exit tracing],
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253 [case "${enableval}" in
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254 yes) cyginfra_fntracing=yes ;;
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255 no) cyginfra_fntracing=no ;;
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256 *) AC_MSG_ERROR([bad value ${enableval} for disable-fntracing option]) ;;
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257 esac])
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258 if test "${cyginfra_fntracing}" = "yes"; then
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259 AC_DEFINE(CYGDBG_INFRA_DEBUG_FUNCTION_REPORTS)
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260 fi
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261
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262 ])
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263
151
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264 dnl ====================================================================
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265 dnl Inspired by KDE's autoconfig
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266 dnl This macro takes three Arguments like this:
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267 dnl AC_FIND_FILE(foo.h, $incdirs, incdir)
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268 dnl the filename to look for, the list of paths to check and
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269 dnl the variable with the result.
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270
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271 AC_DEFUN(AC_FIND_FILE,
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272 [
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273 $3=NO
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274 for i in $2;
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275 do
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276 for j in $1;
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277 do
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278 if test -r "$i/$j"; then
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279 $3=$i
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280 break 2
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281 fi
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282 done
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283 done
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284 ])
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285
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286
76
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287 dnl --------------------------------------------------------------------
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288 dnl Convert a cygwin pathname to something acceptable to VC++ (but
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289 dnl still invoked from bash and cygwin's make). This means using
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290 dnl the cygpath utility and then translating any backslashes into
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291 dnl forward slashes to avoid confusing make.
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292
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293 AC_DEFUN(CYG_AC_MSVC_PATH, [
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294 AC_REQUIRE([CYG_AC_PROG_MSVC])
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295 ifelse($#, 1, , AC_MSG_ERROR("Invalid number of arguments passed to CYG AC_MSVC_PATH"))
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296
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297 if test "${MSVC}" = "yes" ; then
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298 $1=`cygpath -w ${$1} | tr \\\\\\\\ /`
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299 fi
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300 ])
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301
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302
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303 dnl --------------------------------------------------------------------
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304 dnl Work out details of the Tcl installation that should be used.
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305 dnl This adds two command-line options, --with-tcl=<prefix> to
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306 dnl specify the Tcl install directory, and --with-tcl-version=<vsn>
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307 dnl to control which version of Tcl should be used.
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308 dnl
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309 dnl On Unix systems and under cygwin there should be a file
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310 dnl $(tcl_prefix)/lib/tclConfig.sh containing all the information
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311 dnl needed for Tcl. This file are consulted and the appropriate
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312 dnl variables extracted.
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313 dnl
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314 dnl To confuse matters, subtly different naming conventions are used
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315 dnl under Unix and NT. Under Unix the Tcl library will be called
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316 dnl libtcl8.0.a, libtcl8.1.a, etc. with a dot between the major and
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317 dnl minor version. Under NT (including cygwin) the library will be
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318 dnl called tcl80.lib, dnl tcl81.lib, libtcl80.a, libtcl81.a, etc.
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319 dnl without a dot.
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320 dnl
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321 dnl The macro should really assume that it is running inside devo,
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322 dnl with tcl and tcl8.1 directories present and already configured.
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323 dnl This is tricky for a number of reasons, including confusion about
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324 dnl the meaning of top_srcdir.
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325 dnl
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326 dnl This macro defines four new shell variables which will be
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327 dnl substituted (typically into Makefile.in):
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328 dnl
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329 dnl cyg_ac_tcl_version - the version of Tcl that is to be used
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330 dnl cyg_ac_tcl_incdir - location of <tcl.h> etc al
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331 dnl cyg_ac_tcl_libdir - location of libtcl.a/tcl.lib etc.
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332 dnl cyg_ac_tcl_libs - all of the libraries that are needed for Tcl
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333
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334 AC_DEFUN(CYG_AC_PATH_TCL, [
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335
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336 AC_REQUIRE([CYG_AC_PROG_MSVC])
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337 AC_REQUIRE([AC_CYGWIN])
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338
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339 dnl Look for the version of Tcl. If none is specified, default to
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340 dnl 8.0 under VC++ and cygwin, nothing under Unix. A version has to be
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341 dnl specified under NT because there is no symbolic link from libtcl.a
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342 dnl to whatever happens to be the most recent installed version.
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343
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344 AC_MSG_CHECKING(for Tcl version)
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345 AC_ARG_WITH(tcl-version,[ --with-tcl-version=<vsn> version of Tcl to be used],[
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346 cyg_ac_tcl_version=${with_tcl_version}
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347 ],[
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348 if test "${MSVC}" = "yes" ; then
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349 cyg_ac_tcl_version=80
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350 else
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351 if test "${ac_cv_cygwin}" = "yes" ; then
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352 cyg_ac_tcl_version=80
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353 else
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354 cyg_ac_tcl_version=""
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355 fi
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356 fi
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357 ])
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358 AC_MSG_RESULT(${cyg_ac_tcl_version})
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359 AC_SUBST(cyg_ac_tcl_version)
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360
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361 dnl Where is the Tcl installation? By default assume Tcl is already
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362 dnl installed in the same place as the eCos host-side.
151
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363
159
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364 AC_ARG_WITH(tcl,[ --with-tcl-header=<path> location of Tcl header])
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365 AC_ARG_WITH(tcl,[ --with-tcl-lib=<path> location of Tcl libraries])
151
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366 AC_ARG_WITH(tcl,[ --with-tcl=<path> location of Tcl header and libraries])
136
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367
76
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368 AC_MSG_CHECKING(for Tcl installation)
136
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369
159
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370 dnl If using VC++ then there are no sensible default directories
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371 dnl to search for a Tcl installation. Instead the user must
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372 dnl supply either --with-tcl, or both --with-tcl-header and
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373 dnl --with-tcl-lib.
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374 dnl
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375 dnl Also when using VC++ there is no tclConfig.sh file to
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376 dnl consult about which libraries are needed. Instead that
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377 dnl information is hard-wired here.
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378
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379 if test "${MSVC}" = "yes" ; then
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380 if test "${with_tcl_header+set}" = set; then
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381 cyg_ac_tcl_incdir=${with_tcl_header}
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382 else
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383 if test "${with_tcl+set}" = set; then
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384 cyg_ac_tcl_incdir="${with_tcl}/include"
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385 else
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386 AC_MSG_ERROR(You must specify a Tcl installation with either --with-tcl=<path> or --with-tcl-header=<path>)
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387 fi
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388 fi
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389 if test "${with_tcl_lib+set}" = set; then
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390 cyg_ac_tcl_libdir=${with_tcl_lib}
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391 else
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392 if test "${with_tcl+set}" = set; then
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393 cyg_ac_tcl_libdir="${with_tcl}/lib"
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394 else
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395 AC_MSG_ERROR(You must specify a Tcl installation with either --with-tcl=<path> or --with-tcl-lib=<path>)
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396 fi
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397 fi
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398 cyg_ac_tcl_libs="tcl${cyg_ac_tcl_version}.lib"
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399 else
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400 tcl_incdirs="${with_tcl_header} ${with_tcl}/include ${prefix}/include /usr/include/tcl$cyg_ac_tcl_version /usr/include"
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401 AC_FIND_FILE(tcl.h, $tcl_incdirs, cyg_ac_tcl_incdir)
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402 tcl_libdirs="${with_tcl_lib} ${with_tcl}/lib ${libdir} ${prefix}/lib /usr/lib/tcl$cyg_ac_tcl_version /usr/lib"
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403 AC_FIND_FILE(tclConfig.sh, $tcl_libdirs, cyg_ac_tcl_libdir)
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404 if test \! -r ${cyg_ac_tcl_libdir}/tclConfig.sh ; then
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405 AC_MSG_ERROR(unable to locate Tcl config file tclConfig.sh)
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406 else
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407 . ${cyg_ac_tcl_libdir}/tclConfig.sh
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408 cyg_ac_tcl_libs="-ltcl${cyg_ac_tcl_version} ${TCL_LIBS}"
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409 fi
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410 fi
76
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411
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412 dnl Sanity check, make sure that there is a tcl.h header file.
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413 dnl If not then there is no point in proceeding.
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414 if test \! -r ${cyg_ac_tcl_incdir}/tcl.h ; then
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415 AC_MSG_ERROR(unable to locate Tcl header file tcl.h)
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416 fi
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417
159
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418 if test "${MSVC}" = "yes" ; then
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419 CYG_AC_MSVC_PATH(cyg_ac_tcl_incdir)
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420 CYG_AC_MSVC_PATH(cyg_ac_tcl_libdir)
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421 fi
151
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422
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423 AC_MSG_RESULT(${cyg_ac_tcl_libdir})
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424
76
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425 AC_SUBST(cyg_ac_tcl_incdir)
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426 AC_SUBST(cyg_ac_tcl_libdir)
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427 AC_SUBST(cyg_ac_tcl_libs)
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428 AC_SUBST(cyg_ac_tk_libs)
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429 ])
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diff changeset
430
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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431
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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432