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1 dnl Some handy functions
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2
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3 dnl Try a list of directories, set the first one found
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4 dnl Usage: AC_CHECK_DIRS(DIRECTORY..., ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
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5
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6 AC_DEFUN(AC_CHECK_DIRS,
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7 [
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8 for ac_dir in $1
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9 do
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10 AC_MSG_CHECKING([for directory ${ac_dir}])
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11 if test -d ${ac_dir}
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12 then
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13 AC_MSG_RESULT(yes)
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14 ifelse([$2], , :, [$2])
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15 break
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16 else
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17 AC_MSG_RESULT(no)
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18 fi
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19 done
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20 if test ! -d ${ac_dir}
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21 then
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22 ifelse([$3], , :, [$3])
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23 fi
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24 ])
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25
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26 # sidplay.m4 sidplay checks
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27
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28 AC_DEFUN(AC_FIND_FILE,
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29 [
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30 $3=NO
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31 for i in $2;
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32 do
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33 for j in $1;
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34 do
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35 if test -r "$i/$j"; then
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36 $3=$i
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37 break 2
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38 fi
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39 done
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40 done
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41 ]
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42 )
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43
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44 AC_DEFUN(AC_PATH_LIBSIDPLAY,
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45 [
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46 AC_MSG_CHECKING([for SIDPLAY includes and library])
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47 AC_LANG_SAVE
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48 AC_LANG_CPLUSPLUS
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49 ac_sidplay_cflags=NO
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50 ac_sidplay_library=NO
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51 sidplay_cflags=""
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52 sidplay_library=""
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53
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54 AC_ARG_WITH(sidplay-prefix,
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55 [ --with-sidplay-prefix=DIR
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56 where the sidplay includes and library are located],
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57 [ac_sidplay_cflags="${withval}/include"
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58 ac_sidplay_library="${withval}/lib"
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59 ])
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60
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61 AC_ARG_WITH(sidplay-includes,
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62 [ --with-sidplay-includes=DIR
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63 where the sidplay includes are located],
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64 [ac_sidplay_cflags="$withval"
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65 ])
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66
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67 AC_ARG_WITH(sidplay-library,
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68 [ --with-sidplay-library=DIR
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69 where the sidplay library is installed],
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70 [ac_sidplay_library="$withval"
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71 ])
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72
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73 if test "$ac_sidplay_cflags" = NO || test "$ac_sidplay_library" = NO; then
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74 #search common locations
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75
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76 AC_CACHE_VAL(ac_cv_have_sidplay,
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77 [
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78 sidplay_incdirs="$ac_sidplay_cflags /usr/include /usr/local/include /usr/lib/sidplay/include /usr/local/lib/sidplay/include"
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79 AC_FIND_FILE(sidplay/sidtune.h,$sidplay_incdirs,sidplay_foundincdir)
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80 ac_sidplay_cflags=$sidplay_foundincdir
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81
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82 sidplay_libdirs="$ac_sidplay_library /usr/lib /usr/local/lib /usr/lib/sidplay /usr/local/lib/sidplay"
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83 AC_FIND_FILE(libsidplay.so libsidplay.so.1 libsidplay.so.1.36 libsidplay.so.1.37,$sidplay_libdirs,sidplay_foundlibdir)
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84 ac_sidplay_library=$sidplay_foundlibdir
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85
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86 if test "$ac_sidplay_cflags" = NO || test "$ac_sidplay_library" = NO; then
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87 ac_cv_have_sidplay="have_sidplay=no"
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88 ac_sidplay_notfound=""
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89 if test "$ac_sidplay_cflags" = NO; then
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90 if test "$ac_sidplay_library" = NO; then
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91 ac_sidplay_notfound="(headers and library)";
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92 else
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93 ac_sidplay_notfound="(headers)";
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94 fi
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95 else
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96 ac_sidplay_notfound="(library)";
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97 fi
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98 eval "$ac_cv_have_sidplay"
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99 AC_MSG_RESULT([$have_sidplay])
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100 else
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101 have_sidplay=yes
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102 fi
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103
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104 ]) dnl AC_CACHE_VAL(ac_cv_have_sidplay,
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105 else
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106 have_sidplay=yes
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107 fi dnl if (have_to_search)
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108
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109 eval "$ac_cv_have_sidplay"
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110
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111 if test "$have_sidplay" != yes; then
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112 AC_MSG_RESULT([$have_sidplay]);
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113 else
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114 ac_cv_have_sidplay="have_sidplay=yes \
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115 ac_sidplay_cflags=$ac_sidplay_cflags ac_sidplay_library=$ac_sidplay_library"
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116 AC_MSG_RESULT([library $ac_sidplay_library, headers $ac_sidplay_cflags])
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117
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118 sidplay_library=$ac_sidplay_library
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119 sidplay_cflags=$ac_sidplay_cflags
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120
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121 SIDPLAY_LIBS="-L$sidplay_library -lsidplay"
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122 all_libraries="$SIDPLAY_LIBS $all_libraries"
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123 SIDPLAY_CFLAGS="-I$sidplay_cflags"
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124 all_includes="$SIDPLAY_CFLAGS $all_includes"
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125 fi
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126
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127 dnl Test compilation.
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128
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129 AC_MSG_CHECKING([whether -lsidplay works])
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130 ac_cxxflags_safe=$CXXFLAGS
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131 ac_ldflags_safe=$LDFLAGS
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132 ac_libs_safe=$LIBS
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133
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134 CXXFLAGS="$CXXFLAGS -I$sidplay_cflags"
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135 LDFLAGS="$LDFLAGS -L$sidplay_library"
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136 LIBS="-lsidplay"
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137
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138 AC_CACHE_VAL(ac_cv_sidplay_works,
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139 [
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140 AC_TRY_LINK(
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141 [#include <sidplay/sidtune.h>],
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142 [sidTune* myTest;],
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143 [ac_cv_sidplay_works=yes],
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144 [ac_cv_sidplay_works=no]
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145 )
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146 ])
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147
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148 CXXFLAGS="$ac_cxxflags_safe"
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149 LDFLAGS="$ac_ldflags_safe"
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150 LIBS="$ac_libs_safe"
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151
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152 AC_MSG_RESULT([$ac_cv_sidplay_works])
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153 if test "$ac_cv_sidplay_works" != yes; then
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154 have_sidplay=no
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155 fi
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156
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157 dnl
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158
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159 AC_SUBST(SIDPLAY_CFLAGS)
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160 AC_SUBST(SIDPLAY_LIBS)
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161
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162 AC_SUBST(sidplay_library)
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163 AC_SUBST(sidplay_cflags)
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164
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165 AC_LANG_RESTORE
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166
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167 ])
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