1# Configure paths for libogg 2# Jack Moffitt <jack@icecast.org> 10-21-2000 3# Shamelessly stolen from Owen Taylor and Manish Singh 4 5dnl XIPH_PATH_OGG([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) 6dnl Test for libogg, and define OGG_CFLAGS and OGG_LIBS 7dnl 8AC_DEFUN([XIPH_PATH_OGG], 9[dnl 10dnl Get the cflags and libraries 11dnl 12AC_ARG_WITH(ogg,AC_HELP_STRING([--with-ogg=PFX],[Prefix where libogg is installed (optional)]), ogg_prefix="$withval", ogg_prefix="") 13AC_ARG_WITH(ogg-libraries,AC_HELP_STRING([--with-ogg-libraries=DIR],[Directory where libogg library is installed (optional)]), ogg_libraries="$withval", ogg_libraries="") 14AC_ARG_WITH(ogg-includes,AC_HELP_STRING([--with-ogg-includes=DIR],[Directory where libogg header files are installed (optional)]), ogg_includes="$withval", ogg_includes="") 15AC_ARG_ENABLE(oggtest,AC_HELP_STRING([--disable-oggtest],[Do not try to compile and run a test Ogg program]),, enable_oggtest=yes) 16 17 if test "x$ogg_libraries" != "x" ; then 18 OGG_LIBS="-L$ogg_libraries" 19 elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then 20 OGG_LIBS="" 21 elif test "x$ogg_prefix" != "x" ; then 22 OGG_LIBS="-L$ogg_prefix/lib" 23 elif test "x$prefix" != "xNONE" ; then 24 OGG_LIBS="-L$prefix/lib" 25 fi 26 27 if test "x$ogg_prefix" != "xno" ; then 28 OGG_LIBS="$OGG_LIBS -logg" 29 fi 30 31 if test "x$ogg_includes" != "x" ; then 32 OGG_CFLAGS="-I$ogg_includes" 33 elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then 34 OGG_CFLAGS="" 35 elif test "x$ogg_prefix" != "x" ; then 36 OGG_CFLAGS="-I$ogg_prefix/include" 37 elif test "x$prefix" != "xNONE"; then 38 OGG_CFLAGS="-I$prefix/include" 39 fi 40 41 AC_MSG_CHECKING(for Ogg) 42 if test "x$ogg_prefix" = "xno" ; then 43 no_ogg="disabled" 44 enable_oggtest="no" 45 else 46 no_ogg="" 47 fi 48 49 50 if test "x$enable_oggtest" = "xyes" ; then 51 ac_save_CFLAGS="$CFLAGS" 52 ac_save_LIBS="$LIBS" 53 CFLAGS="$CFLAGS $OGG_CFLAGS" 54 LIBS="$LIBS $OGG_LIBS" 55dnl 56dnl Now check if the installed Ogg is sufficiently new. 57dnl 58 rm -f conf.oggtest 59 AC_TRY_RUN([ 60#include <stdio.h> 61#include <stdlib.h> 62#include <string.h> 63#include <ogg/ogg.h> 64 65int main () 66{ 67 system("touch conf.oggtest"); 68 return 0; 69} 70 71],, no_ogg=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 72 CFLAGS="$ac_save_CFLAGS" 73 LIBS="$ac_save_LIBS" 74 fi 75 76 if test "x$no_ogg" = "xdisabled" ; then 77 AC_MSG_RESULT(no) 78 ifelse([$2], , :, [$2]) 79 elif test "x$no_ogg" = "x" ; then 80 AC_MSG_RESULT(yes) 81 ifelse([$1], , :, [$1]) 82 else 83 AC_MSG_RESULT(no) 84 if test -f conf.oggtest ; then 85 : 86 else 87 echo "*** Could not run Ogg test program, checking why..." 88 CFLAGS="$CFLAGS $OGG_CFLAGS" 89 LIBS="$LIBS $OGG_LIBS" 90 AC_TRY_LINK([ 91#include <stdio.h> 92#include <ogg/ogg.h> 93], [ return 0; ], 94 [ echo "*** The test program compiled, but did not run. This usually means" 95 echo "*** that the run-time linker is not finding Ogg or finding the wrong" 96 echo "*** version of Ogg. If it is not finding Ogg, you'll need to set your" 97 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 98 echo "*** to the installed location Also, make sure you have run ldconfig if that" 99 echo "*** is required on your system" 100 echo "***" 101 echo "*** If you have an old version installed, it is best to remove it, although" 102 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 103 [ echo "*** The test program failed to compile or link. See the file config.log for the" 104 echo "*** exact error that occured. This usually means Ogg was incorrectly installed" 105 echo "*** or that you have moved Ogg since it was installed." ]) 106 CFLAGS="$ac_save_CFLAGS" 107 LIBS="$ac_save_LIBS" 108 fi 109 OGG_CFLAGS="" 110 OGG_LIBS="" 111 ifelse([$2], , :, [$2]) 112 fi 113 AC_SUBST(OGG_CFLAGS) 114 AC_SUBST(OGG_LIBS) 115 rm -f conf.oggtest 116]) 117