annotate sdl.m4 @ 2825:620a91b6d263

Date: Tue, 02 Dec 2008 23:38:26 +0100 From: Couriersud Subject: Re: SDL: Keyboard layout unknown I have attached a diff which will add an additional keyboard layout to the x11 driver. The issue arose, when I moved to ubuntu intrepid. I was only able to map the keys available on my keyboard. The differences to the existing keyboard was the mapping of HOME,UP,DOWN and some other keys. Now only one issue remains. Dead keys (e.g. ^, ` ') on european keyboards do not generate a "scancode" event. Just a text event when the key is composed (e.g. ?? ?? ??).
author Sam Lantinga <slouken@libsdl.org>
date Wed, 03 Dec 2008 04:32:24 +0000
parents ebcebb426771
children 3d75acd08339 7bb8f748a14d
rev   line source
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1 # Configure paths for SDL
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2 # Sam Lantinga 9/21/99
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3 # stolen from Manish Singh
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4 # stolen back from Frank Belew
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5 # stolen from Manish Singh
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6 # Shamelessly stolen from Owen Taylor
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7
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8 dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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9 dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
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10 dnl
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11 AC_DEFUN([AM_PATH_SDL],
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12 [dnl
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13 dnl Get the cflags and libraries from the sdl-config script
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14 dnl
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15 AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
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16 sdl_prefix="$withval", sdl_prefix="")
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17 AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
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18 sdl_exec_prefix="$withval", sdl_exec_prefix="")
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19 AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
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20 , enable_sdltest=yes)
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21
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22 if test x$sdl_exec_prefix != x ; then
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23 sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix"
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24 if test x${SDL_CONFIG+set} != xset ; then
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25 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
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26 fi
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27 fi
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28 if test x$sdl_prefix != x ; then
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29 sdl_config_args="$sdl_config_args --prefix=$sdl_prefix"
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30 if test x${SDL_CONFIG+set} != xset ; then
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31 SDL_CONFIG=$sdl_prefix/bin/sdl-config
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32 fi
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33 fi
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34
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35 as_save_PATH="$PATH"
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36 if test "x$prefix" != xNONE; then
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37 PATH="$prefix/bin:$prefix/usr/bin:$PATH"
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38 fi
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39 AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
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40 PATH="$as_save_PATH"
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41 min_sdl_version=ifelse([$1], ,0.11.0,$1)
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42 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
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43 no_sdl=""
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44 if test "$SDL_CONFIG" = "no" ; then
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45 no_sdl=yes
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46 else
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47 SDL_CFLAGS=`$SDL_CONFIG $sdl_config_args --cflags`
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48 SDL_LIBS=`$SDL_CONFIG $sdl_config_args --libs`
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49
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50 sdl_major_version=`$SDL_CONFIG $sdl_config_args --version | \
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51 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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52 sdl_minor_version=`$SDL_CONFIG $sdl_config_args --version | \
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53 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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54 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
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55 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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56 if test "x$enable_sdltest" = "xyes" ; then
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57 ac_save_CFLAGS="$CFLAGS"
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58 ac_save_CXXFLAGS="$CXXFLAGS"
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59 ac_save_LIBS="$LIBS"
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60 CFLAGS="$CFLAGS $SDL_CFLAGS"
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61 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
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62 LIBS="$LIBS $SDL_LIBS"
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63 dnl
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64 dnl Now check if the installed SDL is sufficiently new. (Also sanity
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65 dnl checks the results of sdl-config to some extent
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66 dnl
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67 rm -f conf.sdltest
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68 AC_TRY_RUN([
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69 #include <stdio.h>
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70 #include <stdlib.h>
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71 #include <string.h>
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72 #include "SDL.h"
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73
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74 char*
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75 my_strdup (char *str)
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76 {
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77 char *new_str;
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78
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79 if (str)
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80 {
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81 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
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82 strcpy (new_str, str);
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83 }
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84 else
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85 new_str = NULL;
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86
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87 return new_str;
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88 }
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89
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90 int main (int argc, char *argv[])
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91 {
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92 int major, minor, micro;
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93 char *tmp_version;
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94
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95 /* This hangs on some systems (?)
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96 system ("touch conf.sdltest");
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97 */
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98 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
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99
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100 /* HP/UX 9 (%@#!) writes to sscanf strings */
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101 tmp_version = my_strdup("$min_sdl_version");
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102 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
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103 printf("%s, bad version string\n", "$min_sdl_version");
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104 exit(1);
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105 }
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106
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107 if (($sdl_major_version > major) ||
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108 (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
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109 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
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110 {
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111 return 0;
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112 }
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113 else
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114 {
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115 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
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116 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
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117 printf("*** best to upgrade to the required version.\n");
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118 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
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119 printf("*** to point to the correct copy of sdl-config, and remove the file\n");
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120 printf("*** config.cache before re-running configure\n");
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121 return 1;
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122 }
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123 }
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124
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125 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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126 CFLAGS="$ac_save_CFLAGS"
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127 CXXFLAGS="$ac_save_CXXFLAGS"
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128 LIBS="$ac_save_LIBS"
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129 fi
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130 fi
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131 if test "x$no_sdl" = x ; then
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132 AC_MSG_RESULT(yes)
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133 ifelse([$2], , :, [$2])
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134 else
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135 AC_MSG_RESULT(no)
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136 if test "$SDL_CONFIG" = "no" ; then
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137 echo "*** The sdl-config script installed by SDL could not be found"
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138 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
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139 echo "*** your path, or set the SDL_CONFIG environment variable to the"
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140 echo "*** full path to sdl-config."
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141 else
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142 if test -f conf.sdltest ; then
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143 :
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144 else
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145 echo "*** Could not run SDL test program, checking why..."
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146 CFLAGS="$CFLAGS $SDL_CFLAGS"
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147 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
0
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148 LIBS="$LIBS $SDL_LIBS"
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149 AC_TRY_LINK([
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150 #include <stdio.h>
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151 #include "SDL.h"
1
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152
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153 int main(int argc, char *argv[])
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154 { return 0; }
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155 #undef main
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156 #define main K_and_R_C_main
0
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157 ], [ return 0; ],
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158 [ echo "*** The test program compiled, but did not run. This usually means"
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159 echo "*** that the run-time linker is not finding SDL or finding the wrong"
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160 echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
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161 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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162 echo "*** to the installed location Also, make sure you have run ldconfig if that"
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163 echo "*** is required on your system"
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164 echo "***"
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165 echo "*** If you have an old version installed, it is best to remove it, although"
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166 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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167 [ echo "*** The test program failed to compile or link. See the file config.log for the"
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168 echo "*** exact error that occured. This usually means SDL was incorrectly installed"
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169 echo "*** or that you have moved SDL since it was installed. In the latter case, you"
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170 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
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171 CFLAGS="$ac_save_CFLAGS"
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172 CXXFLAGS="$ac_save_CXXFLAGS"
0
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173 LIBS="$ac_save_LIBS"
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174 fi
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175 fi
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176 SDL_CFLAGS=""
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177 SDL_LIBS=""
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178 ifelse([$3], , :, [$3])
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179 fi
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180 AC_SUBST(SDL_CFLAGS)
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181 AC_SUBST(SDL_LIBS)
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182 rm -f conf.sdltest
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183 ])