mirror of
https://gitlab.xiph.org/xiph/ezstream.git
synced 2024-11-03 04:17:18 -05:00
147 lines
4.1 KiB
Plaintext
147 lines
4.1 KiB
Plaintext
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dnl # $Id: libxml2.m4 736 2008-11-01 19:04:55Z mgrimm $
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dnl # Check for a working installation of libxml (version 2.)
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dnl # Provides appropriate --with configuration options, fills and substitutes
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dnl # the LIBXML2_CFLAGS, LIBXML2_CPPFLAGS, LIBXML2_LDFLAGS and LIBXML2_LIBS
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dnl # 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 # AX_CHECK_LIBXML2([LIBXML2-VERSION], [ACTION-IF-FOUND],
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dnl # [ACTION-IF-NOT-FOUND])
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AC_DEFUN([AX_CHECK_LIBXML2],
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[
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AC_REQUIRE([PKG_PROG_PKG_CONFIG])
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AC_ARG_VAR([LIBXML2_CFLAGS],
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[C compiler flags for libxml2])
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AC_ARG_VAR([LIBXML2_CPPFLAGS],
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[C preprocessor flags for libxml2])
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AC_ARG_VAR([LIBXML2_LDFLAGS],
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[linker flags for libxml2])
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AC_ARG_VAR([LIBXML2_LIBS],
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[libraries to use for libxml2])
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if test x"${prefix}" = "xNONE"; then
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ax_check_libxml2_prefix="/usr/local"
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else
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ax_check_libxml2_prefix="${prefix}"
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fi
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AC_CACHE_VAL([local_cv_have_lib_libxml2],
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[
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local_cv_have_lib_libxml2=no
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PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${ax_check_libxml2_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([libxml-2.0 $1], [
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dnl ##########################
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libxml2_libs_autodetect=no
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if test -z "${LIBXML2_CFLAGS}"; then
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LIBXML2_CFLAGS="`${PKG_CONFIG} --cflags-only-other libxml-2.0`"
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fi
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if test -z "${LIBXML2_CPPFLAGS}"; then
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LIBXML2_CPPFLAGS="`${PKG_CONFIG} --cflags-only-I libxml-2.0`"
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fi
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if test -z "${LIBXML2_LDFLAGS}"; then
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LIBXML2_LDFLAGS="\
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`${PKG_CONFIG} --libs-only-L libxml-2.0` \
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`${PKG_CONFIG} --libs-only-other libxml-2.0` \
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"
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fi
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if test -z "${LIBXML2_LIBS}"; then
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LIBXML2_LIBS="`${PKG_CONFIG} --libs-only-l libxml-2.0`"
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libxml2_libs_autodetect=yes
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fi
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ax_check_libxml2_save_CFLAGS="${CFLAGS}"
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ax_check_libxml2_save_CPPFLAGS="${CPPFLAGS}"
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ax_check_libxml2_save_LDFLAGS="${LDFLAGS}"
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ax_check_libxml2_save_LIBS="${LIBS}"
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AC_LANG_PUSH([C])
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CFLAGS="${CFLAGS} ${LIBXML2_CFLAGS}"
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CPPFLAGS="${CPPFLAGS} ${LIBXML2_CPPFLAGS}"
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LDFLAGS="${LDFLAGS} ${LIBXML2_LDFLAGS}"
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LIBS="${LIBXML2_LIBS} ${LIBS}"
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AC_CHECK_HEADERS([libxml/parser.h], [
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AC_MSG_CHECKING([if libxml2 works])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <stdlib.h>
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#include <libxml/parser.h>
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]],
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[[
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xmlParseFile(NULL);
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]])],
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[
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AC_MSG_RESULT([yes])
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local_cv_have_lib_libxml2=yes
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],
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[
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AC_MSG_RESULT([no])
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if test x"${libxml2_libs_autodetect}" = "xyes"; then
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LIBXML2_LIBS="`${PKG_CONFIG} --static --libs-only-l libxml-2.0`"
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LIBS="${LIBXML2_LIBS} ${ax_check_libxml2_save_LIBS}"
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AC_MSG_CHECKING([if libxml2 works with explicit dependencies])
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AC_RUN_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <stdlib.h>
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#include <libxml/parser.h>
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]],
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[[
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xmlParseFile(NULL);
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]])],
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[
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AC_MSG_RESULT([yes])
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local_cv_have_lib_libxml2=yes
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],
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[
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AC_MSG_RESULT([no])
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]
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)
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fi
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]
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)
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])
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CFLAGS="${ax_check_libxml2_save_CFLAGS}"
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CPPFLAGS="${ax_check_libxml2_save_CPPFLAGS}"
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LDFLAGS="${ax_check_libxml2_save_LDFLAGS}"
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LIBS="${ax_check_libxml2_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 libxml2 $1])
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if test x"${local_cv_have_lib_libxml2}" = "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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