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
131 lines
3.5 KiB
Plaintext
131 lines
3.5 KiB
Plaintext
dnl $Id: libogg.m4 729 2008-11-01 17:38:43Z mgrimm $
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dnl # Check for a working installation of libogg.
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dnl # Provides appropriate --with configuration options, fills and substitutes
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dnl # the LIBOGG_CFLAGS, LIBOGG_CPPFLAGS, LIBOGG_LDFLAGS and LIBOGG_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 # For LIBOGG_CFLAGS, LIBOGG_CPPFLAGS, LIBOGG_LDFLAGS and LIBOGG_LIBS:
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dnl # AX_CHECK_LIBOGG([LIBOGG-VERSION], [ACTION-IF-FOUND],
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dnl # [ACTION-IF-NOT-FOUND])
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AC_DEFUN([AX_CHECK_LIBOGG],
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[
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AC_REQUIRE([PKG_PROG_PKG_CONFIG])
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AC_ARG_VAR([LIBOGG_CFLAGS],
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[C compiler flags for libogg])
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AC_ARG_VAR([LIBOGG_CPPFLAGS],
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[C preprocessor flags for libogg])
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AC_ARG_VAR([LIBOGG_LDFLAGS],
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[linker flags for libogg])
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AC_ARG_VAR([LIBOGG_LIBS],
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[libraries to use for libogg])
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if test x"${prefix}" = "xNONE"; then
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ax_check_libogg_prefix="/usr/local"
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else
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ax_check_libogg_prefix="${prefix}"
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fi
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AC_CACHE_VAL([local_cv_have_lib_libogg],
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[
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local_cv_have_lib_libogg=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([ogg $1], [
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dnl ##########################
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libogg_libs_autodetect=no
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if test -z "${LIBOGG_CFLAGS}"; then
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LIBOGG_CFLAGS="`${PKG_CONFIG} --cflags-only-other ogg`"
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fi
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if test -z "${LIBOGG_CPPFLAGS}"; then
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LIBOGG_CPPFLAGS="`${PKG_CONFIG} --cflags-only-I ogg`"
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fi
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if test -z "${LIBOGG_LDFLAGS}"; then
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LIBOGG_LDFLAGS="\
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`${PKG_CONFIG} --libs-only-L ogg` \
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`${PKG_CONFIG} --libs-only-other ogg` \
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"
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fi
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if test -z "${LIBOGG_LIBS}"; then
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LIBOGG_LIBS="`${PKG_CONFIG} --libs-only-l ogg`"
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libogg_libs_autodetect=yes
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fi
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ax_check_libogg_save_CFLAGS="${CFLAGS}"
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ax_check_libogg_save_CPPFLAGS="${CPPFLAGS}"
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ax_check_libogg_save_LDFLAGS="${LDFLAGS}"
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ax_check_libogg_save_LIBS="${LIBS}"
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AC_LANG_PUSH([C])
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CFLAGS="${CFLAGS} ${LIBOGG_CFLAGS}"
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CPPFLAGS="${CPPFLAGS} ${LIBOGG_CPPFLAGS}"
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LDFLAGS="${LDFLAGS} ${LIBOGG_LDFLAGS}"
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LIBS="${LIBOGG_LIBS} ${LIBS}"
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AC_CHECK_HEADER([ogg/ogg.h],
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[
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AC_MSG_CHECKING([if libogg works])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <stdlib.h>
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#include <ogg/ogg.h>
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]],
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[[
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ogg_sync_init(NULL);
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]]
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)],
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[
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AC_MSG_RESULT([yes])
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local_cv_have_lib_libogg=yes
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],
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[
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AC_MSG_RESULT([no])
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]
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)
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])
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CFLAGS="${ax_check_libogg_save_CFLAGS}"
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CPPFLAGS="${ax_check_libogg_save_CPPFLAGS}"
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LDFLAGS="${ax_check_libogg_save_LDFLAGS}"
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LIBS="${ax_check_libogg_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 libogg $1])
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if test x"${local_cv_have_lib_libogg}" = "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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