1# Configure paths for libcdaudio -*- Autoconf -*- 2# 3# Derived from glib.m4 (Owen Taylor 97-11-3) 4# 5 6dnl AM_PATH_LIBCDAUDIO([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) 7dnl Test for libcdaudio, and define LIBCDAUDIO_CFLAGS, LIBCDAUDIO_LIBS and 8dnl LIBCDAUDIO_LDADD 9dnl 10AC_DEFUN([AM_PATH_LIBCDAUDIO], 11[dnl 12dnl Get the cflags and libraries from the libcdaudio-config script 13dnl 14AC_ARG_WITH(libcdaudio-prefix, 15 AS_HELP_STRING([--with-libcdaudio-prefix=PFX], 16 [Prefix where libcdaudio is installed (optional)]), 17 [libcdaudio_config_prefix="$withval"], [libcdaudio_config_prefix=""]) 18AC_ARG_WITH(libcdaudio-exec-prefix, 19 AS_HELP_STRING([--with-libcdaudio-exec-prefix=PFX], 20 [Exec prefix where libcdaudio is installed (optional)]), 21 [libcdaudio_config_exec_prefix="$withval"], 22 [libcdaudio_config_exec_prefix=""]) 23AC_ARG_ENABLE(libcdaudiotest, 24 AS_HELP_STRING([--disable-libcdaudiotest], 25 [Do not try to compile and run a test libcdaudio program]),, 26 [enable_libcdaudiotest=yes]) 27 28 if test "x$libcdaudio_config_exec_prefix" != x ; then 29 libcdaudio_config_args="$libcdaudio_config_args --exec-prefix=$libcdaudio_config_exec_prefix" 30 if test "x${LIBCDAUDIO_CONFIG+set}" != xset ; then 31 LIBCDAUDIO_CONFIG=$libcdaudio_config_exec_prefix/bin/libcdaudio-config 32 fi 33 fi 34 if test x$libcdaudio_config_prefix != x ; then 35 libcdaudio_config_args="$libcdaudio_config_args --prefix=$libcdaudio_config_prefix" 36 if test "x${LIBCDAUDIO_CONFIG+set}" != xset ; then 37 LIBCDAUDIO_CONFIG=$libcdaudio_config_prefix/bin/libcdaudio-config 38 fi 39 fi 40 41 AC_PATH_PROG(LIBCDAUDIO_CONFIG, libcdaudio-config, no) 42 min_libcdaudio_version=ifelse([$1], ,0.99.0,$1) 43 AC_MSG_CHECKING([for libcdaudio - version >= $min_libcdaudio_version]) 44 no_libcdaudio="" 45 if test "$LIBCDAUDIO_CONFIG" = "no" ; then 46 no_libcdaudio=yes 47 else 48 LIBCDAUDIO_CFLAGS=`$LIBCDAUDIO_CONFIG $libcdaudio_config_args --cflags` 49 LIBCDAUDIO_LIBS=`$LIBCDAUDIO_CONFIG $libcdaudio_config_args --libs` 50 LIBCDAUDIO_LDADD=`$LIBCDAUDIO_CONFIG $libcdaudio_config_args --ldadd` 51 libcdaudio_config_major_version=`$LIBCDAUDIO_CONFIG $libcdaudio_config_args --version | \ 52 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\1/'` 53 libcdaudio_config_minor_version=`$LIBCDAUDIO_CONFIG $libcdaudio_config_args --version | \ 54 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\2/'` 55 libcdaudio_config_micro_version=`$LIBCDAUDIO_CONFIG $libcdaudio_config_args --version | \ 56 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\3/'` 57 if test "x$enable_libcdaudiotest" = "xyes" ; then 58 ac_save_CFLAGS="$CFLAGS" 59 ac_save_LIBS="$LIBS" 60 CFLAGS="$CFLAGS $LIBCDAUDIO_CFLAGS $LIBCDAUDIO_LDADD" 61 LIBS="$LIBCDAUDIO_LIBS $LIBS" 62dnl 63dnl Now check if the installed libcdaudio is sufficiently new. (Also sanity 64dnl checks the results of libcdaudio-config to some extent 65dnl 66 rm -f conf.cdaudiotest 67 AC_TRY_RUN([ 68#include <cdaudio.h> 69#include <stdio.h> 70#include <stdlib.h> 71 72char* my_strdup (char *str) 73{ 74 char *new_str; 75 76 if (str) { 77 new_str = malloc ((strlen (str) + 1) * sizeof(char)); 78 strcpy (new_str, str); 79 } else 80 new_str = NULL; 81 82 return new_str; 83} 84 85int main() 86{ 87 int major,minor,micro; 88 int libcdaudio_major_version,libcdaudio_minor_version,libcdaudio_micro_version; 89 char *tmp_version; 90 91 system ("touch conf.cdaudiotest"); 92 93 /* HP/UX 9 (%@#!) writes to sscanf strings */ 94 tmp_version = my_strdup("$min_libcdaudio_version"); 95 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 96 printf("%s, bad version string\n", "$min_libcdaudio_version"); 97 exit(1); 98 } 99 100 libcdaudio_major_version=(cdaudio_getversion()>>16)&255; 101 libcdaudio_minor_version=(cdaudio_getversion()>> 8)&255; 102 libcdaudio_micro_version=(cdaudio_getversion() )&255; 103 104 if ((libcdaudio_major_version != $libcdaudio_config_major_version) || 105 (libcdaudio_minor_version != $libcdaudio_config_minor_version) || 106 (libcdaudio_micro_version != $libcdaudio_config_micro_version)) 107 { 108 printf("\n*** 'libcdaudio-config --version' returned %d.%d.%d, but libcdaudio (%d.%d.%d)\n", 109 $libcdaudio_config_major_version, $libcdaudio_config_minor_version, $libcdaudio_config_micro_version, 110 libcdaudio_major_version, libcdaudio_minor_version, libcdaudio_micro_version); 111 printf ("*** was found! If libcdaudio-config was correct, then it is best\n"); 112 printf ("*** to remove the old version of libcdaudio. You may also be able to fix the error\n"); 113 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); 114 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); 115 printf("*** required on your system.\n"); 116 printf("*** If libcdaudio-config was wrong, set the environment variable LIBCDAUDIO_CONFIG\n"); 117 printf("*** to point to the correct copy of libcdaudio-config, and remove the file config.cache\n"); 118 printf("*** before re-running configure\n"); 119 } 120 else if ((libcdaudio_major_version != LIBCDAUDIO_VERSION_MAJOR) || 121 (libcdaudio_minor_version != LIBCDAUDIO_VERSION_MINOR) || 122 (libcdaudio_micro_version != LIBCDAUDIO_VERSION_MICRO)) 123 { 124 printf("*** libcdaudio header files (version %d.%d.%d) do not match\n", 125 LIBCDAUDIO_VERSION_MAJOR, LIBCDAUDIO_VERSION_MINOR, LIBCDAUDIO_VERSION_MICRO); 126 printf("*** library (version %d.%d.%d)\n", 127 libcdaudio_major_version, libcdaudio_minor_version, libcdaudio_micro_version); 128 } 129 else 130 { 131 if ((libcdaudio_major_version > major) || 132 ((libcdaudio_major_version == major) && (libcdaudio_minor_version > minor)) || 133 ((libcdaudio_major_version == major) && (libcdaudio_minor_version == minor) && (libcdaudio_micro_version >= micro))) 134 { 135 return 0; 136 } 137 else 138 { 139 printf("\n*** An old version of libcdaudio (%d.%d.%d) was found.\n", 140 libcdaudio_major_version, libcdaudio_minor_version, libcdaudio_micro_version); 141 printf("*** You need a version of libcdaudio newer than %d.%d.%d.\n", 142 major, minor, micro); 143 printf("***\n"); 144 printf("*** If you have already installed a sufficiently new version, this error\n"); 145 printf("*** probably means that the wrong copy of the libcdaudio-config shell script is\n"); 146 printf("*** being found. The easiest way to fix this is to remove the old version\n"); 147 printf("*** of libcdaudio, but you can also set the LIBCDAUDIO_CONFIG environment to point to the\n"); 148 printf("*** correct copy of libcdaudio-config. (In this case, you will have to\n"); 149 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); 150 printf("*** so that the correct libraries are found at run-time))\n"); 151 } 152 } 153 return 1; 154} 155],, no_libcdaudio=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 156 CFLAGS="$ac_save_CFLAGS" 157 LIBS="$ac_save_LIBS" 158 fi 159 fi 160 if test "x$no_libcdaudio" = x ; then 161 AC_MSG_RESULT(yes) 162 ifelse([$2], , :, [$2]) 163 else 164 AC_MSG_RESULT(no) 165 if test "$LIBCDAUDIO_CONFIG" = "no" ; then 166 echo "*** The libcdaudio-config script installed by libcdaudio could not be found" 167 echo "*** If libcdaudio was installed in PREFIX, make sure PREFIX/bin is in" 168 echo "*** your path, or set the LIBCDAUDIO_CONFIG environment variable to the" 169 echo "*** full path to libcdaudio-config." 170 else 171 if test -f conf.cdaudiotest ; then 172 : 173 else 174 echo "*** Could not run libcdaudio test program, checking why..." 175 CFLAGS="$CFLAGS $LIBCDAUDIO_CFLAGS" 176 LIBS="$LIBS $LIBCDAUDIO_LIBS" 177 AC_TRY_LINK([ 178#include <cdaudio.h> 179#include <stdio.h> 180], [ return (cdaudio_getversion()!=0); ], 181 [ echo "*** The test program compiled, but did not run. This usually means" 182 echo "*** that the run-time linker is not finding libcdaudio or finding the wrong" 183 echo "*** version of libcdaudio. If it is not finding libcdaudio, you'll need to set your" 184 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 185 echo "*** to the installed location. Also, make sure you have run ldconfig if that" 186 echo "*** is required on your system" 187 echo "***" 188 echo "*** If you have an old version installed, it is best to remove it, although" 189 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 190 [ echo "*** The test program failed to compile or link. See the file config.log for the" 191 echo "*** exact error that occured. This usually means libcdaudio was incorrectly installed" 192 echo "*** or that you have moved libcdaudio since it was installed. In the latter case, you" 193 echo "*** may want to edit the libcdaudio-config script: $LIBCDAUDIO_CONFIG" ]) 194 CFLAGS="$ac_save_CFLAGS" 195 LIBS="$ac_save_LIBS" 196 fi 197 fi 198 LIBCDAUDIO_CFLAGS="" 199 LIBCDAUDIO_LIBS="" 200 LIBCDAUDIO_LDADD="" 201 ifelse([$3], , :, [$3]) 202 fi 203 AC_SUBST(LIBCDAUDIO_CFLAGS) 204 AC_SUBST(LIBCDAUDIO_LIBS) 205 AC_SUBST(LIBCDAUDIO_LDADD) 206 rm -f conf.cdaudiotest 207]) 208