mirror of
https://gitlab.xiph.org/xiph/ezstream.git
synced 2024-09-15 04:08:07 -04:00
9acbffc2dd
There are a few benefits to this, but the main reason is consistency and me completely understanding what's going on. Regressions are not expected, but wouldn't surprise either ... this needs lots of testing. git-svn-id: https://svn.xiph.org/trunk/ezstream@15776 0101bb08-14d6-0310-b084-bc0e0c8e3800
321 lines
8.0 KiB
Plaintext
321 lines
8.0 KiB
Plaintext
dnl $Id: libvorbis.m4 735 2008-11-01 18:34:34Z mgrimm $
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dnl # Check for working installations of libvorbis, libvorbisfile and
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dnl # libvorbisenc.
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dnl # Provides appropriate --with configuration options, fills and substitutes
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dnl # the VORBIS_CFLAGS, VORBIS_CPPFLAGS, VORBIS_LDFLAGS, LIBVORBIS_LIBS,
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dnl # LIBVORBISENC_LIBS and LIBVORBISFILE_LIBS variables accordingly.
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dnl # Copyright (c) 2008 Moritz Grimm <mgrimm@mrsserver.net>
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dnl #
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dnl # Permission to use, copy, modify, and distribute this software for any
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dnl # purpose with or without fee is hereby granted, provided that the above
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dnl # copyright notice and this permission notice appear in all copies.
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dnl #
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dnl # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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dnl # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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dnl # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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dnl # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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dnl # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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dnl # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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dnl # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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dnl # Each of these macros supply VORBIS_CFLAGS, VORBIS_CPPFLAGS and
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dnl # VORBIS_LDFLAGS.
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dnl # For LIBVORBIS_LIBS:
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dnl # AX_CHECK_LIBVORBIS([VORBISLIBS-VERSION], [ACTION-IF-FOUND],
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dnl # [ACTION-IF-NOT-FOUND])
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dnl # For LIBVORBISENC_LIBS:
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dnl # AX_CHECK_LIBVORBISENC([VORBISLIBS-VERSION], [ACTION-IF-FOUND],
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dnl # [ACTION-IF-NOT-FOUND])
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dnl # For LIBVORBISFILE_LIBS:
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dnl # AX_CHECK_LIBVORBISFILE([VORBISLIBS-VERSION], [ACTION-IF-FOUND],
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dnl # [ACTION-IF-NOT-FOUND])
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AC_DEFUN([_AX_CHECK_VORBIS_OPTS],
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[
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AC_REQUIRE([PKG_PROG_PKG_CONFIG])
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AC_ARG_VAR([VORBIS_CFLAGS],
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[C compiler flags for the Vorbis libraries])
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AC_ARG_VAR([VORBIS_CPPFLAGS],
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[C preprocessor flags for the Vorbis libraries])
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AC_ARG_VAR([VORBIS_LDFLAGS],
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[linker flags for the Vorbis libraries])
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if test x"${prefix}" = "xNONE"; then
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ax_check_libvorbis_prefix="/usr/local"
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else
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ax_check_libvorbis_prefix="${prefix}"
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fi
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if test -z "${VORBIS_CFLAGS}"; then
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VORBIS_CFLAGS="`${PKG_CONFIG} --cflags-only-other vorbis`"
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fi
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if test -z "${VORBIS_CPPFLAGS}"; then
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VORBIS_CPPFLAGS="`${PKG_CONFIG} --cflags-only-I vorbis`"
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fi
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if test -z "${VORBIS_LDFLAGS}"; then
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VORBIS_LDFLAGS="\
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`${PKG_CONFIG} --libs-only-L vorbis` \
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`${PKG_CONFIG} --libs-only-other vorbis` \
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"
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fi
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])
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AC_DEFUN([AX_CHECK_LIBVORBIS],
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[
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AC_REQUIRE([_AX_CHECK_VORBIS_OPTS])
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AC_ARG_VAR([LIBVORBIS_LIBS],
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[libraries to use for libvorbis])
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AC_CACHE_VAL([local_cv_have_lib_libvorbis],
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[
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local_cv_have_lib_libvorbis=no
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PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${ax_check_libogg_prefix}/lib/pkgconfig"
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if test -z "${PKG_CONFIG}"; then
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AC_MSG_ERROR([The pkg-config utility is required.], [1])
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fi
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dnl ####### BEGIN CHECK ######
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PKG_CHECK_EXISTS([vorbis $1], [
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dnl ##########################
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libvorbis_libs_autodetect=no
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if test -z "${LIBVORBIS_LIBS}"; then
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LIBVORBIS_LIBS="`${PKG_CONFIG} --libs-only-l vorbis`"
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libvorbis_libs_autodetect=yes
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fi
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ax_check_libvorbis_save_CFLAGS="${CFLAGS}"
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ax_check_libvorbis_save_CPPFLAGS="${CPPFLAGS}"
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ax_check_libvorbis_save_LDFLAGS="${LDFLAGS}"
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ax_check_libvorbis_save_LIBS="${LIBS}"
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AC_LANG_PUSH([C])
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CFLAGS="${CFLAGS} ${VORBIS_CFLAGS}"
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CPPFLAGS="${CPPFLAGS} ${VORBIS_CPPFLAGS}"
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LDFLAGS="${LDFLAGS} ${VORBIS_LDFLAGS}"
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LIBS="${LIBVORBIS_LIBS} ${LIBS}"
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AC_CHECK_HEADER([vorbis/codec.h],
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[
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AC_MSG_CHECKING([if libvorbis works])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <stdlib.h>
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#include <ogg/ogg.h>
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#include <vorbis/codec.h>
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]],
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[[
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vorbis_info_init(NULL);
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]]
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)],
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[
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AC_MSG_RESULT([yes])
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local_cv_have_lib_libvorbis=yes
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],
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[
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AC_MSG_RESULT([no])
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]
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)
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AC_CHECK_TYPE([struct ovectl_ratemanage_arg],
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[],
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[AC_MSG_ERROR([These Vorbis libraries are too old, please upgrade.], [1])],
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[
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#include <stdlib.h>
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#include <ogg/ogg.h>
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#include <vorbis/codec.h>
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#include <vorbis/vorbisenc.h>
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]
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)
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])
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CFLAGS="${ax_check_libvorbis_save_CFLAGS}"
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CPPFLAGS="${ax_check_libvorbis_save_CPPFLAGS}"
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LDFLAGS="${ax_check_libvorbis_save_LDFLAGS}"
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LIBS="${ax_check_libvorbis_save_LIBS}"
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AC_LANG_POP([C])
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dnl ####### END CHECK ########
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], [])
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dnl ##########################
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])
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AC_MSG_CHECKING([for libvorbis $1])
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if test x"${local_cv_have_lib_libvorbis}" = "xyes"; then
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AC_MSG_RESULT([yes])
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:
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$2
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else
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AC_MSG_RESULT([no])
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:
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$3
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fi
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])
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AC_DEFUN([AX_CHECK_LIBVORBISFILE],
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[
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AC_REQUIRE([_AX_CHECK_VORBIS_OPTS])
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AC_ARG_VAR([LIBVORBISFILE_LIBS],
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[libraries to use for libvorbisfile])
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AC_CACHE_VAL([local_cv_have_lib_libvorbisfile],
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[
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local_cv_have_lib_libvorbisfile=no
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PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${ax_check_libogg_prefix}/lib/pkgconfig"
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if test -z "${PKG_CONFIG}"; then
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AC_MSG_ERROR([The pkg-config utility is required.], [1])
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fi
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dnl ####### BEGIN CHECK ######
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PKG_CHECK_EXISTS([vorbisfile $1], [
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dnl ##########################
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libvorbisfile_libs_autodetect=no
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if test -z "${LIBVORBISFILE_LIBS}"; then
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LIBVORBISFILE_LIBS="`${PKG_CONFIG} --libs-only-l vorbisfile`"
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libvorbisfile_libs_autodetect=yes
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fi
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ax_check_libvorbisfile_save_CFLAGS="${CFLAGS}"
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ax_check_libvorbisfile_save_CPPFLAGS="${CPPFLAGS}"
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ax_check_libvorbisfile_save_LDFLAGS="${LDFLAGS}"
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ax_check_libvorbisfile_save_LIBS="${LIBS}"
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AC_LANG_PUSH([C])
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CFLAGS="${CFLAGS} ${VORBIS_CFLAGS}"
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CPPFLAGS="${CPPFLAGS} ${VORBIS_CPPFLAGS}"
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LDFLAGS="${LDFLAGS} ${VORBIS_LDFLAGS}"
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LIBS="${LIBVORBISFILE_LIBS} ${LIBS}"
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AC_CHECK_HEADER([vorbis/vorbisfile.h],
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[
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AC_MSG_CHECKING([if libvorbisfile works])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <stdlib.h>
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#include <vorbis/vorbisfile.h>
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]],
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[[
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ov_open(NULL, NULL, NULL, 0);
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]]
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)],
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[
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AC_MSG_RESULT([yes])
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local_cv_have_lib_libvorbisfile=yes
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],
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[
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AC_MSG_RESULT([no])
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]
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)
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])
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CFLAGS="${ax_check_libvorbisfile_save_CFLAGS}"
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CPPFLAGS="${ax_check_libvorbisfile_save_CPPFLAGS}"
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LDFLAGS="${ax_check_libvorbisfile_save_LDFLAGS}"
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LIBS="${ax_check_libvorbisfile_save_LIBS}"
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AC_LANG_POP([C])
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dnl ####### END CHECK ########
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], [])
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dnl ##########################
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])
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AC_MSG_CHECKING([for libvorbisfile $1])
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if test x"${local_cv_have_lib_libvorbisfile}" = "xyes"; then
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AC_MSG_RESULT([yes])
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:
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$2
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else
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AC_MSG_RESULT([no])
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:
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$3
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fi
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])
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AC_DEFUN([AX_CHECK_LIBVORBISENC],
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[
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AC_REQUIRE([_AX_CHECK_VORBIS_OPTS])
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AC_ARG_VAR([LIBVORBISENC_LIBS],
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[libraries to use for libvorbisenc])
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AC_CACHE_VAL([local_cv_have_lib_libvorbisenc],
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[
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local_cv_have_lib_libvorbisenc=no
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PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${ax_check_libogg_prefix}/lib/pkgconfig"
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if test -z "${PKG_CONFIG}"; then
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AC_MSG_ERROR([The pkg-config utility is required.], [1])
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fi
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dnl ####### BEGIN CHECK ######
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PKG_CHECK_EXISTS([vorbisenc $1], [
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dnl ##########################
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libvorbisenc_libs_autodetect=no
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if test -z "${LIBVORBISENC_LIBS}"; then
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LIBVORBISENC_LIBS="`${PKG_CONFIG} --libs-only-l vorbisenc`"
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libvorbisenc_libs_autodetect=yes
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fi
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ax_check_libvorbisenc_save_CFLAGS="${CFLAGS}"
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ax_check_libvorbisenc_save_CPPFLAGS="${CPPFLAGS}"
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ax_check_libvorbisenc_save_LDFLAGS="${LDFLAGS}"
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ax_check_libvorbisenc_save_LIBS="${LIBS}"
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AC_LANG_PUSH([C])
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CFLAGS="${CFLAGS} ${VORBIS_CFLAGS}"
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CPPFLAGS="${CPPFLAGS} ${VORBIS_CPPFLAGS}"
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LDFLAGS="${LDFLAGS} ${VORBIS_LDFLAGS}"
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LIBS="${LIBVORBISENC_LIBS} ${LIBS}"
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AC_CHECK_HEADER([vorbis/vorbisenc.h],
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[
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AC_MSG_CHECKING([if libvorbisenc works])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <stdlib.h>
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#include <ogg/ogg.h>
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#include <vorbis/codec.h>
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#include <vorbis/vorbisenc.h>
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]],
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[[
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vorbis_encode_init(NULL, 0, 0, 0, 0, 0);
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]]
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)],
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[
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AC_MSG_RESULT([yes])
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local_cv_have_lib_libvorbisenc=yes
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],
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[
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AC_MSG_RESULT([no])
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]
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)
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])
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CFLAGS="${ax_check_libvorbisenc_save_CFLAGS}"
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CPPFLAGS="${ax_check_libvorbisenc_save_CPPFLAGS}"
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LDFLAGS="${ax_check_libvorbisenc_save_LDFLAGS}"
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LIBS="${ax_check_libvorbisenc_save_LIBS}"
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AC_LANG_POP([C])
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dnl ####### END CHECK ########
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], [])
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dnl ##########################
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])
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AC_MSG_CHECKING([for libvorbisenc $1])
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if test x"${local_cv_have_lib_libvorbisenc}" = "xyes"; then
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AC_MSG_RESULT([yes])
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:
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$2
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else
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AC_MSG_RESULT([no])
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:
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$3
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fi
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])
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