Elliott Hughes | af8bb90 | 2018-06-26 16:57:59 -0700 | [diff] [blame] | 1 | # Configure paths for libogg |
| 2 | # Jack Moffitt <jack@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 | ]) |