1 | # Configure paths for GLIB |
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2 | # Owen Taylor 97-11-3 |
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3 | |
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4 | dnl AM_PATH_GLIB([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" or |
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6 | dnl gthread is specified in MODULES, pass to glib-config |
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7 | dnl |
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8 | AC_DEFUN(AM_PATH_GLIB, |
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9 | [dnl |
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10 | dnl Get the cflags and libraries from the glib-config script |
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11 | dnl |
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12 | AC_ARG_WITH(glib-prefix,[ --with-glib-prefix=PFX Prefix where GLIB is installed (optional)], |
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13 | glib_config_prefix="$withval", glib_config_prefix="") |
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14 | AC_ARG_WITH(glib-exec-prefix,[ --with-glib-exec-prefix=PFX Exec prefix where GLIB is installed (optional)], |
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15 | glib_config_exec_prefix="$withval", glib_config_exec_prefix="") |
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16 | AC_ARG_ENABLE(glibtest, [ --disable-glibtest Do not try to compile and run a test GLIB program], |
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17 | , enable_glibtest=yes) |
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18 | |
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19 | if test x$glib_config_exec_prefix != x ; then |
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20 | glib_config_args="$glib_config_args --exec-prefix=$glib_config_exec_prefix" |
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21 | if test x${GLIB_CONFIG+set} != xset ; then |
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22 | GLIB_CONFIG=$glib_config_exec_prefix/bin/glib-config |
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23 | fi |
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24 | fi |
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25 | if test x$glib_config_prefix != x ; then |
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26 | glib_config_args="$glib_config_args --prefix=$glib_config_prefix" |
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27 | if test x${GLIB_CONFIG+set} != xset ; then |
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28 | GLIB_CONFIG=$glib_config_prefix/bin/glib-config |
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29 | fi |
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30 | fi |
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31 | |
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32 | for module in . $4 |
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33 | do |
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34 | case "$module" in |
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35 | gmodule) |
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36 | glib_config_args="$glib_config_args gmodule" |
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37 | ;; |
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38 | gthread) |
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39 | glib_config_args="$glib_config_args gthread" |
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40 | ;; |
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41 | esac |
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42 | done |
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43 | |
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44 | AC_PATH_PROG(GLIB_CONFIG, glib-config, no) |
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45 | min_glib_version=ifelse([$1], ,0.99.7,$1) |
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46 | AC_MSG_CHECKING(for GLIB - version >= $min_glib_version) |
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47 | no_glib="" |
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48 | if test "$GLIB_CONFIG" = "no" ; then |
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49 | no_glib=yes |
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50 | else |
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51 | GLIB_CFLAGS=`$GLIB_CONFIG $glib_config_args --cflags` |
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52 | GLIB_LIBS=`$GLIB_CONFIG $glib_config_args --libs` |
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53 | glib_config_major_version=`$GLIB_CONFIG $glib_config_args --version | \ |
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54 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` |
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55 | glib_config_minor_version=`$GLIB_CONFIG $glib_config_args --version | \ |
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56 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` |
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57 | glib_config_micro_version=`$GLIB_CONFIG $glib_config_args --version | \ |
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58 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` |
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59 | if test "x$enable_glibtest" = "xyes" ; then |
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60 | ac_save_CFLAGS="$CFLAGS" |
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61 | ac_save_LIBS="$LIBS" |
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62 | CFLAGS="$CFLAGS $GLIB_CFLAGS" |
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63 | LIBS="$GLIB_LIBS $LIBS" |
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64 | dnl |
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65 | dnl Now check if the installed GLIB is sufficiently new. (Also sanity |
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66 | dnl checks the results of glib-config to some extent |
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67 | dnl |
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68 | rm -f conf.glibtest |
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69 | AC_TRY_RUN([ |
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70 | #include <glib.h> |
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71 | #include <stdio.h> |
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72 | #include <stdlib.h> |
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73 | |
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74 | int |
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75 | main () |
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76 | { |
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77 | int major, minor, micro; |
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78 | char *tmp_version; |
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79 | |
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80 | system ("touch conf.glibtest"); |
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81 | |
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82 | /* HP/UX 9 (%@#!) writes to sscanf strings */ |
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83 | tmp_version = g_strdup("$min_glib_version"); |
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84 | if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { |
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85 | printf("%s, bad version string\n", "$min_glib_version"); |
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86 | exit(1); |
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87 | } |
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88 | |
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89 | if ((glib_major_version != $glib_config_major_version) || |
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90 | (glib_minor_version != $glib_config_minor_version) || |
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91 | (glib_micro_version != $glib_config_micro_version)) |
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92 | { |
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93 | printf("\n*** 'glib-config --version' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", |
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94 | $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version, |
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95 | glib_major_version, glib_minor_version, glib_micro_version); |
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96 | printf ("*** was found! If glib-config was correct, then it is best\n"); |
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97 | printf ("*** to remove the old version of GLIB. You may also be able to fix the error\n"); |
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98 | printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); |
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99 | printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); |
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100 | printf("*** required on your system.\n"); |
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101 | printf("*** If glib-config was wrong, set the environment variable GLIB_CONFIG\n"); |
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102 | printf("*** to point to the correct copy of glib-config, and remove the file config.cache\n"); |
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103 | printf("*** before re-running configure\n"); |
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104 | } |
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105 | else if ((glib_major_version != GLIB_MAJOR_VERSION) || |
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106 | (glib_minor_version != GLIB_MINOR_VERSION) || |
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107 | (glib_micro_version != GLIB_MICRO_VERSION)) |
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108 | { |
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109 | printf("*** GLIB header files (version %d.%d.%d) do not match\n", |
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110 | GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION); |
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111 | printf("*** library (version %d.%d.%d)\n", |
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112 | glib_major_version, glib_minor_version, glib_micro_version); |
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113 | } |
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114 | else |
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115 | { |
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116 | if ((glib_major_version > major) || |
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117 | ((glib_major_version == major) && (glib_minor_version > minor)) || |
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118 | ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro))) |
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119 | { |
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120 | return 0; |
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121 | } |
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122 | else |
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123 | { |
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124 | printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n", |
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125 | glib_major_version, glib_minor_version, glib_micro_version); |
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126 | printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n", |
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127 | major, minor, micro); |
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128 | printf("*** GLIB is always available from ftp://ftp.gtk.org.\n"); |
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129 | printf("***\n"); |
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130 | printf("*** If you have already installed a sufficiently new version, this error\n"); |
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131 | printf("*** probably means that the wrong copy of the glib-config shell script is\n"); |
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132 | printf("*** being found. The easiest way to fix this is to remove the old version\n"); |
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133 | printf("*** of GLIB, but you can also set the GLIB_CONFIG environment to point to the\n"); |
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134 | printf("*** correct copy of glib-config. (In this case, you will have to\n"); |
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135 | printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); |
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136 | printf("*** so that the correct libraries are found at run-time))\n"); |
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137 | } |
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138 | } |
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139 | return 1; |
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140 | } |
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141 | ],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) |
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142 | CFLAGS="$ac_save_CFLAGS" |
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143 | LIBS="$ac_save_LIBS" |
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144 | fi |
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145 | fi |
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146 | if test "x$no_glib" = x ; then |
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147 | AC_MSG_RESULT(yes) |
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148 | ifelse([$2], , :, [$2]) |
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149 | else |
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150 | AC_MSG_RESULT(no) |
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151 | if test "$GLIB_CONFIG" = "no" ; then |
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152 | echo "*** The glib-config script installed by GLIB could not be found" |
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153 | echo "*** If GLIB was installed in PREFIX, make sure PREFIX/bin is in" |
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154 | echo "*** your path, or set the GLIB_CONFIG environment variable to the" |
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155 | echo "*** full path to glib-config." |
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156 | else |
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157 | if test -f conf.glibtest ; then |
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158 | : |
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159 | else |
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160 | echo "*** Could not run GLIB test program, checking why..." |
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161 | CFLAGS="$CFLAGS $GLIB_CFLAGS" |
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162 | LIBS="$LIBS $GLIB_LIBS" |
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163 | AC_TRY_LINK([ |
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164 | #include <glib.h> |
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165 | #include <stdio.h> |
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166 | ], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ], |
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167 | [ echo "*** The test program compiled, but did not run. This usually means" |
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168 | echo "*** that the run-time linker is not finding GLIB or finding the wrong" |
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169 | echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your" |
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170 | echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" |
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171 | echo "*** to the installed location Also, make sure you have run ldconfig if that" |
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172 | echo "*** is required on your system" |
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173 | echo "***" |
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174 | echo "*** If you have an old version installed, it is best to remove it, although" |
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175 | echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" |
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176 | echo "***" |
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177 | echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that" |
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178 | echo "*** came with the system with the command" |
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179 | echo "***" |
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180 | echo "*** rpm --erase --nodeps gtk gtk-devel" ], |
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181 | [ echo "*** The test program failed to compile or link. See the file config.log for the" |
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182 | echo "*** exact error that occured. This usually means GLIB was incorrectly installed" |
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183 | echo "*** or that you have moved GLIB since it was installed. In the latter case, you" |
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184 | echo "*** may want to edit the glib-config script: $GLIB_CONFIG" ]) |
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185 | CFLAGS="$ac_save_CFLAGS" |
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186 | LIBS="$ac_save_LIBS" |
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187 | fi |
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188 | fi |
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189 | GLIB_CFLAGS="" |
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190 | GLIB_LIBS="" |
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191 | ifelse([$3], , :, [$3]) |
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192 | fi |
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193 | AC_SUBST(GLIB_CFLAGS) |
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194 | AC_SUBST(GLIB_LIBS) |
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195 | rm -f conf.glibtest |
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196 | ]) |
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