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