1 | dnl aclocal.m4 generated automatically by aclocal 1.4 |
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2 | |
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3 | dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. |
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4 | dnl This file is free software; the Free Software Foundation |
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5 | dnl gives unlimited permission to copy and/or distribute it, |
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6 | dnl with or without modifications, as long as this notice is preserved. |
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7 | |
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8 | dnl This program is distributed in the hope that it will be useful, |
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9 | dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without |
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10 | dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
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11 | dnl PARTICULAR PURPOSE. |
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12 | |
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13 | # Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved. |
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14 | # |
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15 | # THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED |
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16 | # OR IMPLIED. ANY USE IS AT YOUR OWN RISK. |
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17 | # |
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18 | # Permission is hereby granted to use or copy this program |
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19 | # for any purpose, provided the above notices are retained on all copies. |
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20 | # Permission to modify the code and to distribute modified code is granted, |
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21 | # provided the above notices are retained, and a notice that the code was |
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22 | # modified is included with the above copyright notice. |
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23 | # |
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24 | # Original author: Tom Tromey |
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25 | |
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26 | # FIXME: We temporarily define our own version of AC_PROG_CC. This is |
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27 | # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We |
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28 | # are probably using a cross compiler, which will not be able to fully |
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29 | # link an executable. This should really be fixed in autoconf |
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30 | # itself. |
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31 | |
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32 | AC_DEFUN(GC_CONFIGURE, |
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33 | [ |
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34 | dnl Default to --enable-multilib |
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35 | AC_ARG_ENABLE(multilib, |
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36 | [ --enable-multilib build many library versions (default)], |
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37 | [case "${enableval}" in |
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38 | yes) multilib=yes ;; |
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39 | no) multilib=no ;; |
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40 | *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; |
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41 | esac], [multilib=yes])dnl |
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42 | |
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43 | dnl We may get other options which we don't document: |
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44 | dnl --with-target-subdir, --with-multisrctop, --with-multisubdir |
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45 | |
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46 | dnl I needed to add the -n test to allow configuration in src directory - HB |
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47 | if test "[$]{srcdir}" = "."; then |
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48 | if test "[$]{with_target_subdir}" != "." -a -n "[$]{with_target_subdir}"; then |
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49 | gc_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1" |
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50 | else |
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51 | gc_basedir="[$]{srcdir}/[$]{with_multisrctop}$1" |
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52 | fi |
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53 | else |
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54 | gc_basedir="[$]{srcdir}/$1" |
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55 | fi |
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56 | AC_SUBST(gc_basedir) |
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57 | AC_CONFIG_AUX_DIR($gc_basedir/..) |
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58 | if :; then :; else |
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59 | # This overrides the previous occurrence for automake, but not for |
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60 | # autoconf, which is exactly what we want. |
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61 | AC_CONFIG_AUX_DIR(..) |
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62 | fi |
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63 | |
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64 | AC_CANONICAL_SYSTEM |
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65 | |
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66 | # This works around an automake problem. |
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67 | mkinstalldirs="`cd $ac_aux_dir && pwd`/mkinstalldirs" |
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68 | AC_SUBST(mkinstalldirs) |
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69 | |
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70 | AM_INIT_AUTOMAKE(gc, 6.0, no-define) |
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71 | |
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72 | # FIXME: We temporarily define our own version of AC_PROG_CC. This is |
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73 | # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We |
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74 | # are probably using a cross compiler, which will not be able to fully |
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75 | # link an executable. This should really be fixed in autoconf |
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76 | # itself. |
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77 | |
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78 | AC_DEFUN(LIB_AC_PROG_CC, |
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79 | [AC_BEFORE([$0], [AC_PROG_CPP])dnl |
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80 | dnl Fool anybody using AC_PROG_CC. |
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81 | AC_PROVIDE([AC_PROG_CC]) |
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82 | AC_CHECK_PROG(CC, gcc, gcc) |
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83 | if test -z "$CC"; then |
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84 | AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) |
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85 | test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) |
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86 | fi |
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87 | |
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88 | AC_PROG_CC_GNU |
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89 | |
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90 | if test $ac_cv_prog_gcc = yes; then |
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91 | GCC=yes |
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92 | dnl Check whether -g works, even if CFLAGS is set, in case the package |
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93 | dnl plays around with CFLAGS (such as to build both debugging and |
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94 | dnl normal versions of a library), tasteless as that idea is. |
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95 | ac_test_CFLAGS="${CFLAGS+set}" |
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96 | ac_save_CFLAGS="$CFLAGS" |
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97 | CFLAGS= |
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98 | AC_PROG_CC_G |
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99 | if test "$ac_test_CFLAGS" = set; then |
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100 | CFLAGS="$ac_save_CFLAGS" |
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101 | elif test $ac_cv_prog_cc_g = yes; then |
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102 | CFLAGS="-g -O2" |
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103 | else |
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104 | CFLAGS="-O2" |
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105 | fi |
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106 | else |
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107 | GCC= |
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108 | test "${CFLAGS+set}" = set || CFLAGS="-g" |
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109 | fi |
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110 | ]) |
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111 | |
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112 | LIB_AC_PROG_CC |
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113 | |
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114 | # Likewise for AC_PROG_CXX. |
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115 | AC_DEFUN(LIB_AC_PROG_CXX, |
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116 | [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl |
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117 | dnl Fool anybody using AC_PROG_CXX. |
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118 | AC_PROVIDE([AC_PROG_CXX]) |
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119 | AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc) |
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120 | test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH]) |
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121 | |
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122 | AC_PROG_CXX_GNU |
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123 | |
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124 | if test $ac_cv_prog_gxx = yes; then |
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125 | GXX=yes |
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126 | dnl Check whether -g works, even if CXXFLAGS is set, in case the package |
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127 | dnl plays around with CXXFLAGS (such as to build both debugging and |
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128 | dnl normal versions of a library), tasteless as that idea is. |
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129 | ac_test_CXXFLAGS="${CXXFLAGS+set}" |
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130 | ac_save_CXXFLAGS="$CXXFLAGS" |
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131 | CXXFLAGS= |
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132 | AC_PROG_CXX_G |
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133 | if test "$ac_test_CXXFLAGS" = set; then |
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134 | CXXFLAGS="$ac_save_CXXFLAGS" |
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135 | elif test $ac_cv_prog_cxx_g = yes; then |
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136 | CXXFLAGS="-g -O2" |
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137 | else |
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138 | CXXFLAGS="-O2" |
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139 | fi |
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140 | else |
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141 | GXX= |
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142 | test "${CXXFLAGS+set}" = set || CXXFLAGS="-g" |
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143 | fi |
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144 | ]) |
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145 | |
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146 | LIB_AC_PROG_CXX |
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147 | |
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148 | # AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't |
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149 | # run it explicitly here, it will be run implicitly before |
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150 | # NEWLIB_CONFIGURE, which doesn't work because that means that it will |
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151 | # be run before AC_CANONICAL_HOST. |
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152 | AC_CANONICAL_BUILD |
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153 | |
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154 | AC_CHECK_TOOL(AS, as) |
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155 | AC_CHECK_TOOL(AR, ar) |
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156 | AC_CHECK_TOOL(RANLIB, ranlib, :) |
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157 | |
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158 | AC_PROG_INSTALL |
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159 | |
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160 | AM_MAINTAINER_MODE |
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161 | |
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162 | # We need AC_EXEEXT to keep automake happy in cygnus mode. However, |
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163 | # at least currently, we never actually build a program, so we never |
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164 | # need to use $(EXEEXT). Moreover, the test for EXEEXT normally |
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165 | # fails, because we are probably configuring with a cross compiler |
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166 | # which can't create executables. So we include AC_EXEEXT to keep |
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167 | # automake happy, but we don't execute it, since we don't care about |
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168 | # the result. |
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169 | if false; then |
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170 | # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands |
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171 | # to nothing, so nothing would remain between `then' and `fi' if it |
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172 | # were not for the `:' below. |
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173 | : |
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174 | AC_EXEEXT |
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175 | fi |
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176 | |
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177 | . [$]{srcdir}/configure.host |
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178 | |
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179 | case [$]{gc_basedir} in |
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180 | /* | [A-Za-z]:[/\\]*) gc_flagbasedir=[$]{gc_basedir} ;; |
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181 | *) gc_flagbasedir='[$](top_builddir)/'[$]{gc_basedir} ;; |
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182 | esac |
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183 | |
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184 | gc_cflags="[$]{gc_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{gc_flagbasedir}/libc/include" |
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185 | case "${host}" in |
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186 | *-*-cygwin32*) |
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187 | gc_cflags="[$]{gc_cflags} -I[$]{gc_flagbasedir}/../winsup/include" |
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188 | ;; |
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189 | esac |
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190 | |
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191 | dnl gc_cflags="[$]{gc_cflags} -fno-builtin" |
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192 | |
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193 | GC_CFLAGS=${gc_cflags} |
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194 | AC_SUBST(GC_CFLAGS) |
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195 | ])) |
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196 | |
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197 | )))) |
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198 | |
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199 | sinclude(../libtool.m4) |
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200 | dnl The line below arranges for aclocal not to bring a definition of |
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201 | dnl AM_PROG_LIBTOOL into aclocal.m4, while still arranging for automake |
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202 | dnl to add a definition of LIBTOOL to Makefile.in. |
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203 | ifelse(yes,no,[AC_DEFUN([AM_PROG_LIBTOOL],[AC_SUBST(LIBTOOL)])]) |
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204 | |
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205 | # Do all the work for Automake. This macro actually does too much -- |
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206 | # some checks are only needed if your package does certain things. |
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207 | # But this isn't really a big deal. |
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208 | |
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209 | # serial 1 |
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210 | |
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211 | dnl Usage: |
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212 | dnl AM_INIT_AUTOMAKE(package,version, [no-define]) |
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213 | |
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214 | AC_DEFUN(AM_INIT_AUTOMAKE, |
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215 | [AC_REQUIRE([AC_PROG_INSTALL]) |
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216 | PACKAGE=[$1] |
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217 | AC_SUBST(PACKAGE) |
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218 | VERSION=[$2] |
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219 | AC_SUBST(VERSION) |
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220 | dnl test to see if srcdir already configured |
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221 | if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then |
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222 | AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) |
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223 | fi |
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224 | ifelse([$3],, |
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225 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) |
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226 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) |
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227 | AC_REQUIRE([AM_SANITY_CHECK]) |
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228 | AC_REQUIRE([AC_ARG_PROGRAM]) |
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229 | dnl FIXME This is truly gross. |
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230 | missing_dir=`cd $ac_aux_dir && pwd` |
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231 | AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) |
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232 | AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) |
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233 | AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) |
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234 | AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) |
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235 | AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) |
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236 | AC_REQUIRE([AC_PROG_MAKE_SET])]) |
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237 | |
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238 | # |
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239 | # Check to make sure that the build environment is sane. |
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240 | # |
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241 | |
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242 | AC_DEFUN(AM_SANITY_CHECK, |
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243 | [AC_MSG_CHECKING([whether build environment is sane]) |
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244 | # Just in case |
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245 | sleep 1 |
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246 | echo timestamp > conftestfile |
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247 | # Do `set' in a subshell so we don't clobber the current shell's |
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248 | # arguments. Must try -L first in case configure is actually a |
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249 | # symlink; some systems play weird games with the mod time of symlinks |
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250 | # (eg FreeBSD returns the mod time of the symlink's containing |
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251 | # directory). |
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252 | if ( |
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253 | set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` |
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254 | if test "[$]*" = "X"; then |
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255 | # -L didn't work. |
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256 | set X `ls -t $srcdir/configure conftestfile` |
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257 | fi |
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258 | if test "[$]*" != "X $srcdir/configure conftestfile" \ |
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259 | && test "[$]*" != "X conftestfile $srcdir/configure"; then |
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260 | |
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261 | # If neither matched, then we have a broken ls. This can happen |
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262 | # if, for instance, CONFIG_SHELL is bash and it inherits a |
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263 | # broken ls alias from the environment. This has actually |
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264 | # happened. Such a system could not be considered "sane". |
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265 | AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken |
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266 | alias in your environment]) |
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267 | fi |
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268 | |
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269 | test "[$]2" = conftestfile |
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270 | ) |
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271 | then |
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272 | # Ok. |
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273 | : |
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274 | else |
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275 | AC_MSG_ERROR([newly created file is older than distributed files! |
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276 | Check your system clock]) |
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277 | fi |
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278 | rm -f conftest* |
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279 | AC_MSG_RESULT(yes)]) |
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280 | |
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281 | dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) |
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282 | dnl The program must properly implement --version. |
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283 | AC_DEFUN(AM_MISSING_PROG, |
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284 | [AC_MSG_CHECKING(for working $2) |
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285 | # Run test in a subshell; some versions of sh will print an error if |
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286 | # an executable is not found, even if stderr is redirected. |
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287 | # Redirect stdin to placate older versions of autoconf. Sigh. |
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288 | if ($2 --version) < /dev/null > /dev/null 2>&1; then |
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289 | $1=$2 |
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290 | AC_MSG_RESULT(found) |
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291 | else |
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292 | $1="$3/missing $2" |
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293 | AC_MSG_RESULT(missing) |
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294 | fi |
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295 | AC_SUBST($1)]) |
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296 | |
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297 | # Add --enable-maintainer-mode option to configure. |
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298 | # From Jim Meyering |
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299 | |
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300 | # serial 1 |
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301 | |
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302 | AC_DEFUN(AM_MAINTAINER_MODE, |
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303 | [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) |
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304 | dnl maintainer-mode is disabled by default |
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305 | AC_ARG_ENABLE(maintainer-mode, |
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306 | [ --enable-maintainer-mode enable make rules and dependencies not useful |
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307 | (and sometimes confusing) to the casual installer], |
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308 | USE_MAINTAINER_MODE=$enableval, |
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309 | USE_MAINTAINER_MODE=no) |
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310 | AC_MSG_RESULT($USE_MAINTAINER_MODE) |
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311 | AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes) |
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312 | MAINT=$MAINTAINER_MODE_TRUE |
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313 | AC_SUBST(MAINT)dnl |
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314 | ] |
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315 | ) |
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316 | |
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317 | # Define a conditional. |
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318 | |
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319 | AC_DEFUN(AM_CONDITIONAL, |
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320 | [AC_SUBST($1_TRUE) |
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321 | AC_SUBST($1_FALSE) |
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322 | if $2; then |
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323 | $1_TRUE= |
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324 | $1_FALSE='#' |
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325 | else |
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326 | $1_TRUE='#' |
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327 | $1_FALSE= |
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328 | fi]) |
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329 | |
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