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