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annotate m4/pkg.m4 @ 31191:bb9d776eafac stable

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Fix wrong color in PDF printout of some latex strings (bug #62884) * octave-svgconvert (draw): For "rect" elements only set brush color if necessary and eventually restore to previous color.
author Pantxo Diribarne <pantxo.diribarne@gmail.com>
date Sun, 14 Aug 2022 18:24:07 +0200
parents 8c10ad441b24
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
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2 # serial 12 (pkg-config-0.29.2)
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3
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4 dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
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5 dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
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6 dnl
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7 dnl This program is free software; you can redistribute it and/or modify
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8 dnl it under the terms of the GNU General Public License as published by
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9 dnl the Free Software Foundation; either version 2 of the License, or
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10 dnl (at your option) any later version.
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11 dnl
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12 dnl This program is distributed in the hope that it will be useful, but
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13 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
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14 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 dnl General Public License for more details.
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16 dnl
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17 dnl You should have received a copy of the GNU General Public License
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18 dnl along with this program; if not, write to the Free Software
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19 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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20 dnl 02111-1307, USA.
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21 dnl
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22 dnl As a special exception to the GNU General Public License, if you
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23 dnl distribute this file as part of a program that contains a
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24 dnl configuration script generated by Autoconf, you may include it under
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25 dnl the same distribution terms that you use for the rest of that
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26 dnl program.
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27
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28 dnl PKG_PREREQ(MIN-VERSION)
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29 dnl -----------------------
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30 dnl Since: 0.29
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31 dnl
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32 dnl Verify that the version of the pkg-config macros are at least
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33 dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
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34 dnl installed version of pkg-config, this checks the developer's version
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35 dnl of pkg.m4 when generating configure.
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36 dnl
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37 dnl To ensure that this macro is defined, also add:
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38 dnl m4_ifndef([PKG_PREREQ],
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39 dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
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40 dnl
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41 dnl See the "Since" comment for each macro you use to see what version
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42 dnl of the macros you require.
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43 m4_defun([PKG_PREREQ],
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44 [m4_define([PKG_MACROS_VERSION], [0.29.2])
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45 m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
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46 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
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47 ])dnl PKG_PREREQ
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48
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49 dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
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50 dnl ----------------------------------
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51 dnl Since: 0.16
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52 dnl
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53 dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
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54 dnl first found in the path. Checks that the version of pkg-config found
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55 dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
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56 dnl used since that's the first version where most current features of
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57 dnl pkg-config existed.
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58 AC_DEFUN([PKG_PROG_PKG_CONFIG],
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59 [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
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60 m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
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61 m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
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62 AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
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63 AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
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64 AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
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65
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66 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
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67 AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
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68 fi
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69 if test -n "$PKG_CONFIG"; then
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70 _pkg_min_version=m4_default([$1], [0.9.0])
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71 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
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72 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
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73 AC_MSG_RESULT([yes])
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74 else
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75 AC_MSG_RESULT([no])
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76 PKG_CONFIG=""
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77 fi
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78 fi[]dnl
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79 ])dnl PKG_PROG_PKG_CONFIG
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80
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81 dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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82 dnl -------------------------------------------------------------------
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83 dnl Since: 0.18
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84 dnl
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85 dnl Check to see whether a particular set of modules exists. Similar to
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86 dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
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87 dnl
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88 dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
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89 dnl only at the first occurence in configure.ac, so if the first place
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90 dnl it's called might be skipped (such as if it is within an "if", you
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91 dnl have to call PKG_CHECK_EXISTS manually
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92 AC_DEFUN([PKG_CHECK_EXISTS],
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93 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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94 if test -n "$PKG_CONFIG" && \
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95 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
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96 m4_default([$2], [:])
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97 m4_ifvaln([$3], [else
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98 $3])dnl
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99 fi])
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100
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101 dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
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102 dnl ---------------------------------------------
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103 dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
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104 dnl pkg_failed based on the result.
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105 m4_define([_PKG_CONFIG],
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106 [if test -n "$$1"; then
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107 pkg_cv_[]$1="$$1"
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108 elif test -n "$PKG_CONFIG"; then
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109 PKG_CHECK_EXISTS([$3],
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110 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
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111 test "x$?" != "x0" && pkg_failed=yes ],
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112 [pkg_failed=yes])
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113 else
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114 pkg_failed=untried
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115 fi[]dnl
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116 ])dnl _PKG_CONFIG
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117
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118 dnl _PKG_SHORT_ERRORS_SUPPORTED
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119 dnl ---------------------------
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120 dnl Internal check to see if pkg-config supports short errors.
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121 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
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122 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
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123 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
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124 _pkg_short_errors_supported=yes
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125 else
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126 _pkg_short_errors_supported=no
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127 fi[]dnl
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128 ])dnl _PKG_SHORT_ERRORS_SUPPORTED
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129
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130
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131 dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
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132 dnl [ACTION-IF-NOT-FOUND])
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133 dnl --------------------------------------------------------------
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134 dnl Since: 0.4.0
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135 dnl
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136 dnl Note that if there is a possibility the first call to
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137 dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
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138 dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
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139 AC_DEFUN([PKG_CHECK_MODULES],
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140 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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141 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
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142 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
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143
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144 pkg_failed=no
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145 AC_MSG_CHECKING([for $2])
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146
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147 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
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148 _PKG_CONFIG([$1][_LIBS], [libs], [$2])
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149
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150 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
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151 and $1[]_LIBS to avoid the need to call pkg-config.
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152 See the pkg-config man page for more details.])
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153
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154 if test $pkg_failed = yes; then
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155 AC_MSG_RESULT([no])
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156 _PKG_SHORT_ERRORS_SUPPORTED
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157 if test $_pkg_short_errors_supported = yes; then
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158 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
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159 else
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160 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
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161 fi
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162 # Put the nasty error message in config.log where it belongs
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163 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
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164
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165 m4_default([$4], [AC_MSG_ERROR(
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166 [Package requirements ($2) were not met:
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167
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168 $$1_PKG_ERRORS
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169
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170 Consider adjusting the PKG_CONFIG_PATH environment variable if you
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171 installed software in a non-standard prefix.
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172
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173 _PKG_TEXT])[]dnl
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174 ])
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175 elif test $pkg_failed = untried; then
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176 AC_MSG_RESULT([no])
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177 m4_default([$4], [AC_MSG_FAILURE(
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178 [The pkg-config script could not be found or is too old. Make sure it
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179 is in your PATH or set the PKG_CONFIG environment variable to the full
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180 path to pkg-config.
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181
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182 _PKG_TEXT
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183
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184 To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
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185 ])
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186 else
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187 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
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188 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
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189 AC_MSG_RESULT([yes])
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190 $3
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191 fi[]dnl
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192 ])dnl PKG_CHECK_MODULES
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193
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194
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195 dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
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196 dnl [ACTION-IF-NOT-FOUND])
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197 dnl ---------------------------------------------------------------------
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198 dnl Since: 0.29
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199 dnl
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200 dnl Checks for existence of MODULES and gathers its build flags with
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201 dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
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202 dnl and VARIABLE-PREFIX_LIBS from --libs.
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203 dnl
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204 dnl Note that if there is a possibility the first call to
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205 dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
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206 dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
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207 dnl configure.ac.
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208 AC_DEFUN([PKG_CHECK_MODULES_STATIC],
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209 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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210 _save_PKG_CONFIG=$PKG_CONFIG
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211 PKG_CONFIG="$PKG_CONFIG --static"
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212 PKG_CHECK_MODULES($@)
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213 PKG_CONFIG=$_save_PKG_CONFIG[]dnl
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214 ])dnl PKG_CHECK_MODULES_STATIC
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215
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216
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217 dnl PKG_INSTALLDIR([DIRECTORY])
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218 dnl -------------------------
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219 dnl Since: 0.27
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220 dnl
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221 dnl Substitutes the variable pkgconfigdir as the location where a module
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222 dnl should install pkg-config .pc files. By default the directory is
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223 dnl $libdir/pkgconfig, but the default can be changed by passing
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224 dnl DIRECTORY. The user can override through the --with-pkgconfigdir
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225 dnl parameter.
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226 AC_DEFUN([PKG_INSTALLDIR],
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227 [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
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228 m4_pushdef([pkg_description],
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229 [pkg-config installation directory @<:@]pkg_default[@:>@])
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230 AC_ARG_WITH([pkgconfigdir],
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231 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
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232 [with_pkgconfigdir=]pkg_default)
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233 AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
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234 m4_popdef([pkg_default])
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235 m4_popdef([pkg_description])
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236 ])dnl PKG_INSTALLDIR
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237
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238
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239 dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
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240 dnl --------------------------------
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241 dnl Since: 0.27
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242 dnl
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243 dnl Substitutes the variable noarch_pkgconfigdir as the location where a
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244 dnl module should install arch-independent pkg-config .pc files. By
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245 dnl default the directory is $datadir/pkgconfig, but the default can be
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246 dnl changed by passing DIRECTORY. The user can override through the
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247 dnl --with-noarch-pkgconfigdir parameter.
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248 AC_DEFUN([PKG_NOARCH_INSTALLDIR],
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249 [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
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250 m4_pushdef([pkg_description],
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251 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
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252 AC_ARG_WITH([noarch-pkgconfigdir],
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253 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
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254 [with_noarch_pkgconfigdir=]pkg_default)
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255 AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
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256 m4_popdef([pkg_default])
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257 m4_popdef([pkg_description])
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258 ])dnl PKG_NOARCH_INSTALLDIR
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259
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260
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261 dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
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262 dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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263 dnl -------------------------------------------
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264 dnl Since: 0.28
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265 dnl
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266 dnl Retrieves the value of the pkg-config variable for the given module.
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267 AC_DEFUN([PKG_CHECK_VAR],
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268 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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269 AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
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270
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271 _PKG_CONFIG([$1], [variable="][$3]["], [$2])
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272 AS_VAR_COPY([$1], [pkg_cv_][$1])
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273
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274 AS_VAR_IF([$1], [""], [$5], [$4])dnl
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275 ])dnl PKG_CHECK_VAR