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icecast-server/m4/theora.m4
giles c3f75a858d Don't test for the required libtheora version if the generic link
failed. Corrects an erroneous version error when in fact the library
wasn't found at all. Bug #719.

svn path=/icecast/trunk/m4/; revision=10307
2005-10-26 21:18:19 +00:00

78 lines
2.0 KiB
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# Configure paths for libtheora
# Karl Heyes 02-Feb-2004
dnl XIPH_PATH_THEORA([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libtheora, and define THEORA_CFLAGS THEORA_LIBS
dnl
AC_DEFUN([XIPH_PATH_THEORA],
[
AC_REQUIRE([XIPH_PATH_OGG])
dnl Get the cflags and libraries for theora
dnl
AC_ARG_VAR([THEORA],[path to theora installation])
AC_ARG_WITH(theora,
AC_HELP_STRING([--with-theora=PREFIX],
[Prefix where libtheora is installed (optional)]),
theora_prefix="$withval",
theora_prefix="$THEORA_PREFIX"
)
if test "x$with_theora" = "xno"
then
AC_MSG_RESULT([Theora support disabled by request])
else
if test "x$theora_prefix" = "x" -o "x$theora_prefix" = "xyes"; then
if test "x$prefix" = "xNONE"; then
theora_prefix="/usr/local"
else
theora_prefix="$prefix"
fi
fi
THEORA_CFLAGS="$OGG_CFLAGS"
THEORA_LDFLAGS="$OGG_LDFLAGS"
if test "x$theora_prefix" != "x$ogg_prefix"; then
XIPH_GCC_WARNING(-I"$theora_prefix/include",,
[THEORA_CFLAGS="$THEORA_CFLAGS -I$theora_prefix/include"
THEORA_LDFLAGS="-L$theora_prefix/lib $THEORA_LDFLAGS"
])
fi
THEORA_LIBS="-ltheora -logg"
ac_save_LIBS="$LIBS"
ac_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $THEORA_LDFLAGS"
LIBS="$LIBS $THEORA_LIBS"
AC_MSG_CHECKING([for libtheora])
AC_TRY_LINK_FUNC(theora_decode_header, [xt_have_theora="yes"],
[xt_have_theora="Not found"])
if test "x$xt_have_theora" = "xyes"
then
AC_TRY_LINK_FUNC(theora_packet_isheader, [xt_have_theora="yes"],
[xt_have_theora="newer version required"])
fi
LIBS="$ac_save_LIBS"
LDFLAGS="$ac_save_LDFLAGS"
if test "x$xt_have_theora" = "xyes"
then
AC_MSG_RESULT([ok])
AC_DEFINE([HAVE_THEORA],[1],[Define if Theora support is available])
$1
else
THEORA_CFLAGS=""
THEORA_LDFLAGS=""
THEORA_LIBS=""
AC_MSG_RESULT([$xt_have_theora])
$2
fi
fi
AC_SUBST(THEORA_CFLAGS)
AC_SUBST(THEORA_LDFLAGS)
AC_SUBST(THEORA_LIBS)
])