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59
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1 # Configure paths for GLIB
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2 # Owen Taylor 1997-2001
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3
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4 dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
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5 dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject or
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6 dnl gthread is specified in MODULES, pass to pkg-config
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7 dnl
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8 AC_DEFUN(AM_PATH_GLIB_2_0,
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9 [dnl
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10 dnl Get the cflags and libraries from pkg-config
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11 dnl
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12 AC_ARG_ENABLE(glibtest, [ --disable-glibtest do not try to compile and run a test GLIB program],
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13 , enable_glibtest=yes)
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14
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15 pkg_config_args=glib-2.0
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16 for module in . $4
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17 do
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18 case "$module" in
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19 gmodule)
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20 pkg_config_args="$pkg_config_args gmodule-2.0"
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21 ;;
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22 gobject)
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23 pkg_config_args="$pkg_config_args gobject-2.0"
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24 ;;
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25 gthread)
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26 pkg_config_args="$pkg_config_args gthread-2.0"
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27 ;;
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28 esac
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29 done
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30
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31 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
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32
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33 no_glib=""
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34
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35 if test x$PKG_CONFIG != xno ; then
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36 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 ; then
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37 :
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38 else
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39 echo *** pkg-config too old; version 0.7 or better required.
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40 no_glib=yes
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41 PKG_CONFIG=no
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42 fi
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43 else
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44 no_glib=yes
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45 fi
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46
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47 min_glib_version=ifelse([$1], ,2.0.0,$1)
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48 AC_MSG_CHECKING(for GLIB - version >= $min_glib_version)
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49
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50 if test x$PKG_CONFIG != xno ; then
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51 ## don't try to run the test against uninstalled libtool libs
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52 if $PKG_CONFIG --uninstalled $pkg_config_args; then
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53 echo "Will use uninstalled version of GLib found in PKG_CONFIG_PATH"
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54 enable_glibtest=no
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55 fi
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56
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57 if $PKG_CONFIG --atleast-version $min_glib_version $pkg_config_args; then
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58 :
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59 else
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60 no_glib=yes
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61 fi
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62 fi
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63
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64 if test x"$no_glib" = x ; then
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65 GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0`
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66 GOBJECT_QUERY=`$PKG_CONFIG --variable=gobject_query glib-2.0`
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67 GLIB_MKENUMS=`$PKG_CONFIG --variable=glib_mkenums glib-2.0`
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68
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69 GLIB_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_args`
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70 GLIB_LIBS=`$PKG_CONFIG --libs $pkg_config_args`
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71 glib_config_major_version=`$PKG_CONFIG --modversion glib-2.0 | \
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72 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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73 glib_config_minor_version=`$PKG_CONFIG --modversion glib-2.0 | \
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74 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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75 glib_config_micro_version=`$PKG_CONFIG --modversion glib-2.0 | \
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76 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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77 if test "x$enable_glibtest" = "xyes" ; then
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78 ac_save_CFLAGS="$CFLAGS"
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79 ac_save_LIBS="$LIBS"
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80 CFLAGS="$CFLAGS $GLIB_CFLAGS"
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81 LIBS="$GLIB_LIBS $LIBS"
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82 dnl
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83 dnl Now check if the installed GLIB is sufficiently new. (Also sanity
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84 dnl checks the results of pkg-config to some extent)
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85 dnl
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86 rm -f conf.glibtest
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87 AC_TRY_RUN([
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88 #include <glib.h>
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89 #include <stdio.h>
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90 #include <stdlib.h>
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91
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92 int
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93 main ()
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94 {
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95 int major, minor, micro;
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96 char *tmp_version;
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97
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98 system ("touch conf.glibtest");
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99
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100 /* HP/UX 9 (%@#!) writes to sscanf strings */
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101 tmp_version = g_strdup("$min_glib_version");
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102 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
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103 printf("%s, bad version string\n", "$min_glib_version");
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104 exit(1);
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105 }
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106
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107 if ((glib_major_version != $glib_config_major_version) ||
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108 (glib_minor_version != $glib_config_minor_version) ||
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109 (glib_micro_version != $glib_config_micro_version))
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110 {
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111 printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n",
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112 $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
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113 glib_major_version, glib_minor_version, glib_micro_version);
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114 printf ("*** was found! If pkg-config was correct, then it is best\n");
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115 printf ("*** to remove the old version of GLib. You may also be able to fix the error\n");
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116 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
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117 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
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118 printf("*** required on your system.\n");
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119 printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
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120 printf("*** to point to the correct configuration files\n");
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121 }
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122 else if ((glib_major_version != GLIB_MAJOR_VERSION) ||
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123 (glib_minor_version != GLIB_MINOR_VERSION) ||
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124 (glib_micro_version != GLIB_MICRO_VERSION))
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125 {
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126 printf("*** GLIB header files (version %d.%d.%d) do not match\n",
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127 GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
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128 printf("*** library (version %d.%d.%d)\n",
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129 glib_major_version, glib_minor_version, glib_micro_version);
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130 }
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131 else
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132 {
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133 if ((glib_major_version > major) ||
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134 ((glib_major_version == major) && (glib_minor_version > minor)) ||
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135 ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro)))
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136 {
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137 return 0;
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138 }
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139 else
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140 {
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141 printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n",
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142 glib_major_version, glib_minor_version, glib_micro_version);
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143 printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n",
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144 major, minor, micro);
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145 printf("*** GLIB is always available from ftp://ftp.gtk.org.\n");
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146 printf("***\n");
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147 printf("*** If you have already installed a sufficiently new version, this error\n");
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148 printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
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149 printf("*** being found. The easiest way to fix this is to remove the old version\n");
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150 printf("*** of GLIB, but you can also set the PKG_CONFIG environment to point to the\n");
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151 printf("*** correct copy of pkg-config. (In this case, you will have to\n");
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152 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
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153 printf("*** so that the correct libraries are found at run-time))\n");
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154 }
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155 }
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156 return 1;
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157 }
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158 ],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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159 CFLAGS="$ac_save_CFLAGS"
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160 LIBS="$ac_save_LIBS"
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161 fi
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162 fi
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163 if test "x$no_glib" = x ; then
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164 AC_MSG_RESULT(yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version))
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165 ifelse([$2], , :, [$2])
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166 else
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167 AC_MSG_RESULT(no)
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168 if test "$PKG_CONFIG" = "no" ; then
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169 echo "*** A new enough version of pkg-config was not found."
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170 echo "*** See http://www.freedesktop.org/software/pkgconfig/"
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171 else
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172 if test -f conf.glibtest ; then
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173 :
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174 else
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175 echo "*** Could not run GLIB test program, checking why..."
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176 ac_save_CFLAGS="$CFLAGS"
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177 ac_save_LIBS="$LIBS"
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178 CFLAGS="$CFLAGS $GLIB_CFLAGS"
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179 LIBS="$LIBS $GLIB_LIBS"
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180 AC_TRY_LINK([
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181 #include <glib.h>
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182 #include <stdio.h>
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183 ], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ],
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184 [ echo "*** The test program compiled, but did not run. This usually means"
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185 echo "*** that the run-time linker is not finding GLIB or finding the wrong"
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186 echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your"
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187 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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188 echo "*** to the installed location Also, make sure you have run ldconfig if that"
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189 echo "*** is required on your system"
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190 echo "***"
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191 echo "*** If you have an old version installed, it is best to remove it, although"
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192 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
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193 [ echo "*** The test program failed to compile or link. See the file config.log for the"
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194 echo "*** exact error that occured. This usually means GLIB is incorrectly installed."])
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195 CFLAGS="$ac_save_CFLAGS"
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196 LIBS="$ac_save_LIBS"
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197 fi
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198 fi
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199 GLIB_CFLAGS=""
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200 GLIB_LIBS=""
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201 GLIB_GENMARSHAL=""
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202 GOBJECT_QUERY=""
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203 GLIB_MKENUMS=""
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204 ifelse([$3], , :, [$3])
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205 fi
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206 AC_SUBST(GLIB_CFLAGS)
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207 AC_SUBST(GLIB_LIBS)
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208 AC_SUBST(GLIB_GENMARSHAL)
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209 AC_SUBST(GOBJECT_QUERY)
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210 AC_SUBST(GLIB_MKENUMS)
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211 rm -f conf.glibtest
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212 ])
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