1 | # Configure paths for the Audio File Library |
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2 | # Bertrand Guiheneuf 98-10-21 |
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3 | # stolen from esd.m4 in esound : |
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4 | # Manish Singh 98-9-30 |
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5 | # stolen back from Frank Belew |
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6 | # stolen from Manish Singh |
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7 | # Shamelessly stolen from Owen Taylor |
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8 | |
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9 | dnl AM_PATH_AUDIOFILE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) |
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10 | dnl Test for Audio File Library, and define AUDIOFILE_CFLAGS and AUDIOFILE_LIBS. |
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11 | dnl |
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12 | AC_DEFUN(AM_PATH_AUDIOFILE, |
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13 | [dnl |
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14 | dnl Get compiler flags and libraries from the audiofile-config script. |
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15 | dnl |
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16 | AC_ARG_WITH(audiofile-prefix,[ --with-audiofile-prefix=PFX Prefix where Audio File Library is installed (optional)], |
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17 | audiofile_prefix="$withval", audiofile_prefix="") |
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18 | AC_ARG_WITH(audiofile-exec-prefix,[ --with-audiofile-exec-prefix=PFX Exec prefix where Audio File Library is installed (optional)], |
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19 | audiofile_exec_prefix="$withval", audiofile_exec_prefix="") |
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20 | AC_ARG_ENABLE(audiofiletest, [ --disable-audiofiletest Do not try to compile and run a test Audio File Library program], , enable_audiofiletest=yes) |
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21 | |
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22 | if test x$audiofile_exec_prefix != x ; then |
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23 | audiofile_args="$audiofile_args --exec-prefix=$audiofile_exec_prefix" |
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24 | if test x${AUDIOFILE_CONFIG+set} != xset ; then |
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25 | AUDIOFILE_CONFIG=$audiofile_exec_prefix/bin/audiofile-config |
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26 | fi |
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27 | fi |
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28 | if test x$audiofile_prefix != x ; then |
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29 | audiofile_args="$audiofile_args --prefix=$audiofile_prefix" |
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30 | if test x${AUDIOFILE_CONFIG+set} != xset ; then |
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31 | AUDIOFILE_CONFIG=$audiofile_prefix/bin/audiofile-config |
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32 | fi |
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33 | fi |
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34 | |
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35 | AC_PATH_PROG(AUDIOFILE_CONFIG, audiofile-config, no) |
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36 | min_audiofile_version=ifelse([$1], ,0.2.5,$1) |
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37 | AC_MSG_CHECKING(for Audio File Library - version >= $min_audiofile_version) |
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38 | no_audiofile="" |
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39 | if test "$AUDIOFILE_CONFIG" = "no" ; then |
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40 | no_audiofile=yes |
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41 | else |
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42 | AUDIOFILE_LIBS=`$AUDIOFILE_CONFIG $audiofileconf_args --libs` |
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43 | AUDIOFILE_CFLAGS=`$AUDIOFILE_CONFIG $audiofileconf_args --cflags` |
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44 | audiofile_major_version=`$AUDIOFILE_CONFIG $audiofile_args --version | \ |
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45 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` |
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46 | audiofile_minor_version=`$AUDIOFILE_CONFIG $audiofile_args --version | \ |
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47 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` |
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48 | audiofile_micro_version=`$AUDIOFILE_CONFIG $audiofile_config_args --version | \ |
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49 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` |
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50 | if test "x$enable_audiofiletest" = "xyes" ; then |
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51 | AC_LANG_SAVE |
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52 | AC_LANG_C |
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53 | ac_save_CFLAGS="$CFLAGS" |
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54 | ac_save_LIBS="$LIBS" |
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55 | CFLAGS="$CFLAGS $AUDIOFILE_CFLAGS" |
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56 | LIBS="$LIBS $AUDIOFILE_LIBS" |
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57 | dnl |
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58 | dnl Now check if the installed Audio File Library is sufficiently new. |
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59 | dnl (Also checks the sanity of the results of audiofile-config to some extent.) |
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60 | dnl |
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61 | rm -f conf.audiofiletest |
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62 | AC_TRY_RUN([ |
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63 | #include <stdio.h> |
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64 | #include <stdlib.h> |
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65 | #include <string.h> |
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66 | #include <audiofile.h> |
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67 | |
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68 | char* |
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69 | my_strdup (char *str) |
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70 | { |
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71 | char *new_str; |
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72 | |
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73 | if (str) |
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74 | { |
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75 | new_str = malloc ((strlen (str) + 1) * sizeof(char)); |
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76 | strcpy (new_str, str); |
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77 | } |
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78 | else |
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79 | new_str = NULL; |
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80 | |
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81 | return new_str; |
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82 | } |
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83 | |
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84 | int main () |
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85 | { |
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86 | int major, minor, micro; |
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87 | char *tmp_version; |
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88 | |
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89 | system ("touch conf.audiofiletest"); |
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90 | |
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91 | /* HP/UX 9 (%@#!) writes to sscanf strings */ |
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92 | tmp_version = my_strdup("$min_audiofile_version"); |
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93 | if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { |
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94 | printf("%s, bad version string\n", "$min_audiofile_version"); |
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95 | exit(1); |
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96 | } |
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97 | |
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98 | if (($audiofile_major_version > major) || |
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99 | (($audiofile_major_version == major) && ($audiofile_minor_version > minor)) || |
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100 | (($audiofile_major_version == major) && ($audiofile_minor_version == minor) && ($audiofile_micro_version >= micro))) |
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101 | { |
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102 | return 0; |
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103 | } |
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104 | else |
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105 | { |
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106 | printf("\n*** 'audiofile-config --version' returned %d.%d.%d, but the minimum version\n", $audiofile_major_version, $audiofile_minor_version, $audiofile_micro_version); |
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107 | printf("*** of the Audio File Library required is %d.%d.%d. If audiofile-config is correct, then it is\n", major, minor, micro); |
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108 | printf("*** best to upgrade to the required version.\n"); |
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109 | printf("*** If audiofile-config was wrong, set the environment variable AUDIOFILE_CONFIG\n"); |
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110 | printf("*** to point to the correct copy of audiofile-config, and remove the file\n"); |
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111 | printf("*** config.cache before re-running configure\n"); |
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112 | return 1; |
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113 | } |
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114 | } |
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115 | |
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116 | ],, no_audiofile=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) |
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117 | CFLAGS="$ac_save_CFLAGS" |
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118 | LIBS="$ac_save_LIBS" |
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119 | AC_LANG_RESTORE |
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120 | fi |
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121 | fi |
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122 | if test "x$no_audiofile" = x ; then |
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123 | AC_MSG_RESULT(yes) |
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124 | ifelse([$2], , :, [$2]) |
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125 | else |
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126 | AC_MSG_RESULT(no) |
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127 | if test "$AUDIOFILE_CONFIG" = "no" ; then |
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128 | cat <<END |
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129 | *** The audiofile-config script installed by the Audio File Library could |
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130 | *** not be found. If the Audio File Library was installed in PREFIX, make |
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131 | *** sure PREFIX/bin is in your path, or set the AUDIOFILE_CONFIG |
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132 | *** environment variable to the full path to audiofile-config. |
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133 | END |
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134 | else |
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135 | if test -f conf.audiofiletest ; then |
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136 | : |
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137 | else |
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138 | echo "*** Could not run Audio File Library test program; checking why..." |
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139 | AC_LANG_SAVE |
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140 | AC_LANG_C |
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141 | CFLAGS="$CFLAGS $AUDIOFILE_CFLAGS" |
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142 | LIBS="$LIBS $AUDIOFILE_LIBS" |
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143 | AC_TRY_LINK([ |
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144 | #include <stdio.h> |
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145 | #include <audiofile.h> |
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146 | ], [ return 0; ], |
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147 | [ cat <<END |
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148 | *** The test program compiled, but did not run. This usually means that |
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149 | *** the run-time linker is not finding Audio File Library or finding the |
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150 | *** wrong version of Audio File Library. |
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151 | *** |
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152 | *** If it is not finding Audio File Library, you'll need to set your |
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153 | *** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point |
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154 | *** to the installed location. Also, make sure you have run ldconfig if |
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155 | *** that is required on your system. |
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156 | *** |
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157 | *** If you have an old version installed, it is best to remove it, although |
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158 | *** you may also be able to get things to work by modifying |
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159 | *** LD_LIBRARY_PATH. |
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160 | END |
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161 | ], |
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162 | [ echo "*** The test program failed to compile or link. See the file config.log" |
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163 | echo "*** for the exact error that occured. This usually means the Audio File" |
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164 | echo "*** Library was incorrectly installed or that you have moved the Audio" |
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165 | echo "*** File Library since it was installed. In the latter case, you may want" |
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166 | echo "*** to edit the audiofile-config script: $AUDIOFILE_CONFIG" ]) |
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167 | CFLAGS="$ac_save_CFLAGS" |
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168 | LIBS="$ac_save_LIBS" |
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169 | AC_LANG_RESTORE |
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170 | fi |
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171 | fi |
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172 | AUDIOFILE_CFLAGS="" |
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173 | AUDIOFILE_LIBS="" |
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174 | ifelse([$3], , :, [$3]) |
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175 | fi |
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176 | AC_SUBST(AUDIOFILE_CFLAGS) |
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177 | AC_SUBST(AUDIOFILE_LIBS) |
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178 | rm -f conf.audiofiletest |
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179 | ]) |
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