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