AC_INIT
AC_CANONICAL_TARGET([])

dnl when going to/from release please set the nano (fourth number) right !
dnl releases only do Wall, cvs and prerelease does Werror too
AS_VERSION(gstreamer, GST_VERSION, 0, 5, 0, 1, GST_ERROR="-Wall", GST_ERROR="-Wall -Werror")
dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
AM_MAINTAINER_MODE
AM_INIT_AUTOMAKE($PACKAGE,$VERSION)

dnl our libraries and install dirs use major.minor as a version
GST_MAJORMINOR=$GST_VERSION_MAJOR.$GST_VERSION_MINOR
AC_SUBST(GST_MAJORMINOR)

dnl CURRENT, REVISION, AGE
dnl - library source changed -> increment REVISION
dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
dnl - interfaces added -> increment AGE
dnl - interfaces removed -> AGE = 0
AS_LIBTOOL(GST, 1, 0, 0)

AC_CONFIG_SRCDIR([gst/gst.c])
AM_CONFIG_HEADER(config.h)

dnl Add parameters for aclocal
dnl (This must come after AM_INIT_AUTOMAKE, since it modifies ACLOCAL)
ACLOCAL="$ACLOCAL -I common/m4 $ACLOCAL_FLAGS"

AC_PROG_CC
dnl For interactive UNIX (a Sun thing)
AC_ISC_POSIX
AM_PROG_CC_STDC
AM_PROG_AS
AS="${CC}"

dnl We disable static building for development, for time savings
dnl *NOTE*: dnl this line before release, so release does static too
dnl AM_DISABLE_STATIC

AC_HEADER_STDC([])


dnl ##############################
dnl # Do automated configuration #
dnl ##############################

dnl Check for tools:
dnl ================

dnl allow for different autotools
AS_AUTOTOOLS_ALTERNATE()

dnl modify pkg-config path
AC_ARG_WITH(pkg-config-path, 
   AC_HELP_STRING([--with-pkg-config-path],
                  [colon-separated list of pkg-config(1) dirs]),
   [export PKG_CONFIG_PATH=${withval}])

GST_DOC()
GST_ARCH()

dnl we require bison for building of some of the marshal files
dnl FIXME: check if AC_PROG_YACC is suitable here
AC_PATH_PROG(BISON_PATH, bison, no)
if test x$BISON_PATH = xno; then
  AC_MSG_ERROR(Could not find bison)
fi

dnl we require flex for building the parser
dnl FIXME: check if AC_PROG_LEX is suitable here
AC_PATH_PROG(FLEX_PATH, flex, no)
if test x$FLEX_PATH = xno; then
  AC_MSG_ERROR(Could not find flex)
fi

dnl
dnl We should really use AC_SYS_LARGEFILE, but the problem is
dnl many of the plugins don't include "config.h".  To assure
dnl binary compatibility, it is necessary that all gstreamer
dnl code be compiled with the same sizeof(off_t), so we use
dnl the following crude hack.
dnl

dnl
dnl GST_CFLAGS are split up as GST_EXT_CFLAGS and GST_INT_CFLAGS
dnl same for libs
dnl this is so we can make GST_CFLAGS for external modules available
dnl without mixing in internal (uninstalled) CFLAGS
dnl

AC_MSG_CHECKING(for large file support)
AC_TRY_RUN([
#define _LARGEFILE_SOURCE
#define _FILE_OFFSET_BITS 64
#include <sys/types.h>
int main () { return !(sizeof(off_t) == 8); }
],
[
AC_MSG_RESULT(yes)
GST_EXT_CFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
],
[
AC_MSG_RESULT(no)
],
[
AC_MSG_RESULT(no)
])

dnl Check for essential libraries first:
dnl ====================================

dnl === GLib 2 ===
dnl Minimum required version of GLib2
dnl required for compilation without warnings
GLIB2_REQ="2.0.1"
AC_SUBST(GLIB2_REQ)

dnl Check for glib2
PKG_CHECK_MODULES(GLIB2, glib-2.0 >= $GLIB2_REQ gobject-2.0 gthread-2.0 gmodule-2.0,
  HAVE_GLIB2=yes,HAVE_GLIB2=no)
GLIB_LIBS=$GLIB2_LIBS
GLIB_CFLAGS=$GLIB2_CFLAGS
AC_SUBST(GLIB_LIBS)
AC_SUBST(GLIB_CFLAGS)

if test "x$HAVE_GLIB2" = "xno"; then
  AC_MSG_ERROR([GStreamer requires GLib 2.0 to compile.])
fi

GST_PKG_DEPS="glib-2.0, gobject-2.0, gmodule-2.0, gthread-2.0"
AC_SUBST(GST_PKG_DEPS)
  
dnl === libxml 2 ===
dnl Minimum required version of libxml2
LIBXML2_REQ="2.4.9"
AC_SUBST(LIBXML2_REQ)

dnl check for libxml2
GST_LIBXML2_CHECK()

dnl popt checks
GST_CHECK_LIBHEADER(POPT, popt, poptStrippedArgv,, popt.h, POPT_LIBS="-lpopt",
  AC_MSG_ERROR([popt 1.6.1 or newer is required to build gstreamer. You can
                download the latest version from 
                ftp://people.redhat.com/sopwith/popt/])
)
AC_MSG_NOTICE(Checking for POPT_TABLEEND)
AC_TRY_RUN([
#include <popt.h>
int main ()
{
#ifndef POPT_TABLEEND
  return 1;
#else
  return 0;
#endif
}
],, [
  dnl it failed
  AC_MSG_ERROR([popt 1.6.1 or newer is required to build gstreamer. You can
                download the latest version from 
                ftp://people.redhat.com/sopwith/popt/])
])

dnl Check for atomic.h
dnl Note: use AC_CHECK_HEADER not AC_CHECK_HEADERS, because the latter
dnl defines the wrong default symbol as well (HAVE_ASM_ATOMIC_H)
AC_CHECK_HEADER(asm/atomic.h, HAVE_ATOMIC_H=yes, HAVE_ATOMIC_H=no)
dnl Do a compile to check that it has atomic_set (eg, linux 2.0 didn't)
if test x$HAVE_ATOMIC_H = xyes; then
  AC_TRY_RUN([
#include "asm/atomic.h"
main() { atomic_t t; atomic_set(&t,0); atomic_inc(&t); atomic_add(1,&t);return 0;}
  ],, [
    # Not successful
    if test x$HAVE_ATOMIC_H = xyes; then
      AC_MSG_WARN(Atomic reference counting is out of date: doing without.)
    fi
    HAVE_ATOMIC_H=no
  ], [
    # Cross compiling
    AC_MSG_RESULT(yes)
    AC_MSG_WARN(Can't check properly for atomic reference counting.  Assuming OK.)
  ])
fi

dnl ######################################################################
dnl # Check command line parameters, and set shell variables accordingly #
dnl ######################################################################

dnl FIXME: simplify all this down using a few m4 macros

AC_ARG_ENABLE(libmmx,
AC_HELP_STRING([--enable-libmmx],[use libmmx, if available]),
[case "${enableval}" in
  yes) USE_LIBMMX=$HAVE_LIBMMX ;;
  no)  USE_LIBMMX=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-libmmx) ;;
esac], 
[USE_LIBMMX=$HAVE_LIBMMX]) dnl Default value

AC_ARG_ENABLE(atomic,
AC_HELP_STRING([--enable-atomic],[use atomic reference counting header]),
[case "${enableval}" in
  yes) USE_ATOMIC_H=$HAVE_ATOMIC_H;;
  noset) USE_ATOMIC_H=$HAVE_ATOMIC_H;;
  no)  USE_ATOMIC_H=no;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-atomic) ;;
esac], 
[USE_ATOMIC_H=$HAVE_ATOMIC_H]) dnl Default value

AC_ARG_ENABLE(plugin-builddir,
AC_HELP_STRING([--enable-plugin-builddir],[allow tests/demos to use non-installed plugins]),
[case "${enableval}" in
  yes) PLUGINS_USE_BUILDDIR=yes ;;
  no)  PLUGINS_USE_BUILDDIR=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-plugin-builddir) ;;
esac], 
[PLUGINS_USE_BUILDDIR=no]) dnl Default value

GST_DEBUGINFO

AC_ARG_ENABLE(profiling,
AC_HELP_STRING([--enable-profiling],[adds -pg to compiler commandline, for profiling]),
[case "${enableval}" in
  yes) USE_PROFILING=yes ;;
  no)  UES_PROFILING=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-profiling) ;;
esac], 
[USE_PROFILING=no]) dnl Default value

dnl use a cache dir for storing element registry info.
dnl default to building registry in the source tree if we are enabling plugin build dir
if test "x$PLUGINS_USE_BUILDDIR" = "xyes"; then
  GST_CACHE_DIR=`pwd`
else
  dnl ${localstatedir} points to PREFIX/var
  GST_CACHE_DIR=${localstatedir}/cache/gstreamer-$GST_MAJORMINOR
fi
AC_ARG_WITH(cachedir,
AC_HELP_STRING([--with-cachedir],[specify path to use for plugin and command completion registries]),
[case "${withval}" in
  yes) AC_MSG_ERROR(bad value ${withval} for --with-cachedir) ;;
  no) AC_MSG_ERROR(bad value ${withval} for --with-cachedir) ;;
  *) GST_CACHE_DIR="${withval}" ;;
esac], 
[:]) dnl Default value

AS_AC_EXPAND(GST_CACHE_DIR, $GST_CACHE_DIR)
AC_MSG_NOTICE(Using $GST_CACHE_DIR as registry cache dir)


dnl building of tests
AC_ARG_ENABLE(tests,
AC_HELP_STRING([--disable-tests],[disable building test apps]),
[case "${enableval}" in
  yes) BUILD_TESTS=yes ;;
  no)  BUILD_TESTS=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --disable-tests) ;;
esac], 
[BUILD_TESTS=yes]) dnl Default value
AM_CONDITIONAL(BUILD_TESTS,         test "x$BUILD_TESTS" = "xyes")

dnl tests known to fail
AC_ARG_ENABLE(failing-tests,
AC_HELP_STRING([--disable-failing-tests],[disable building tests known to fail]),
[case "${enableval}" in
  yes) BUILD_FAILING_TESTS=yes ;;
  no)  BUILD_FAILING_TESTS=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --disable-failing-tests) ;;
esac], 
[BUILD_FAILING_TESTS=no]) dnl Default value
AM_CONDITIONAL(BUILD_FAILING_TESTS, test "x$BUILD_FAILING_TESTS" = "xyes")
if test x$BUILD_FAILING_TESTS = xyes; then
  AC_MSG_WARN([building tests known to fail, use --disable-failing-tests to disable])
else
  AC_MSG_WARN([Sissy ! By asking to not build the tests known to fail, you hereby waive your right to customer support.  If you do not agree with this EULA, please press Ctrl-C before the next line is printed.  By allowing the next line to be printed, you expressly acknowledge your acceptance of this EULA.])
fi

AC_ARG_ENABLE(examples,
AC_HELP_STRING([--disable-examples],[disable building examples]),
[case "${enableval}" in
  yes) BUILD_EXAMPLES=yes ;;
  no)  BUILD_EXAMPLES=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --disable-examples) ;;
esac], 
[BUILD_EXAMPLES=yes]) dnl Default value
AM_CONDITIONAL(BUILD_EXAMPLES,      test "x$BUILD_EXAMPLES" = "xyes")

dnl Next, check for the optional components:
dnl ========================================

translit(dnm, m, l) AM_CONDITIONAL(GST_DISABLE_LOADSAVE, true)
GST_SUBSYSTEM_DISABLE(LOADSAVE,[pipeline XML load/save])
translit(dnm, m, l) AM_CONDITIONAL(GST_DISABLE_TYPEFIND, true)
GST_SUBSYSTEM_DISABLE(TYPEFIND,[typefind plugin],)
translit(dnm, m, l) AM_CONDITIONAL(GST_DISABLE_AUTOPLUG, true)
GST_SUBSYSTEM_DISABLE(AUTOPLUG,[autoplugger subsystem])
translit(dnm, m, l) AM_CONDITIONAL(GST_DISABLE_PARSE, true)
GST_SUBSYSTEM_DISABLE(PARSE,[command-line parser])
translit(dnm, m, l) AM_CONDITIONAL(GST_DISABLE_TRACE, true)
GST_SUBSYSTEM_DISABLE(TRACE,[tracing subsystem])
translit(dnm, m, l) AM_CONDITIONAL(GST_DISABLE_REGISTRY, true)
GST_SUBSYSTEM_DISABLE(REGISTRY,[plugin registry])

GST_EXT_CFLAGS="$GST_EXT_CFLAGS $GST_SUBSYSTEM_DISABLE_DEFINES"

dnl ################################################
dnl # Set defines according to variables set above #
dnl ################################################


dnl These should be "USE_*" instead of "HAVE_*", but some packages expect
dnl HAVE_ and it is likely to be easier to stick with the old name
if test "x$USE_LIBMMX" = xyes; then
  AC_DEFINE(HAVE_LIBMMX, 1, [Define if libmmx is available])
fi

if test "x$USE_ATOMIC_H" = xyes; then
  AC_DEFINE(HAVE_ATOMIC_H, 1, [Define if atomic.h header file is available])
fi

dnl test if we have pthread_attr_setstack; if not use the older calls
AC_CHECK_LIB(pthread, pthread_attr_setstack, 
   AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACK, 1, 
             [Defined if libpthread has pthread_attr_setstack ()]))

dnl test if we have posix_memalign; FreeBSD doesn't
AC_CHECK_FUNC(posix_memalign,
   AC_DEFINE(HAVE_POSIX_MEMALIGN, 1,
             [Defined if we have posix_memalign ()]))

if test "x$PLUGINS_USE_BUILDDIR" = xyes; then
  AC_DEFINE(PLUGINS_USE_BUILDDIR, 1, [Define if plugins should be loaded from the build tree - only developers should use this])
fi

if test "x$USE_DEBUG" = xyes; then
   GST_INT_CFLAGS="$GST_INT_CFLAGS -g"
fi

if test "x$USE_PROFILING" = xyes; then
dnl  CFLAGS="$CFLAGS -pg -fprofile-arcs"
  FOMIT_FRAME_POINTER=""
else
  FOMIT_FRAME_POINTER="-fomit-frame-pointer"
fi

dnl
dnl AC_SUBST(FOMIT_FRAME_POINTER)
dnl

dnl #############################
dnl # Set automake conditionals #
dnl #############################

dnl These should be "USE_*" instead of "HAVE_*", but some packages expect
dnl HAVE_ and it is likely to be easier to stick with the old name
AM_CONDITIONAL(HAVE_ATOMIC_H,       test "x$USE_ATOMIC_H" = "xyes")

AM_CONDITIONAL(EXPERIMENTAL,        test "$EXPERIMENTAL" = "$xyes")
AM_CONDITIONAL(BROKEN,              test "$BROKEN" = "$xyes")

AM_CONDITIONAL(PLUGINS_USE_BUILDDIR,  test "x$PLUGINS_USE_BUILDDIR" = "xyes")


dnl ############################
dnl # Set up some more defines #
dnl ############################

dnl Set location of registry dir.
AC_DEFINE_UNQUOTED(GST_CACHE_DIR, "$GST_CACHE_DIR", [Define the registry directory])
AC_SUBST(GST_CACHE_DIR)

dnl Set location of plugin directory
if test "x${prefix}" = "xNONE"; then
  PLUGINS_DIR=${ac_default_prefix}/lib/gstreamer-$GST_MAJORMINOR
else
  PLUGINS_DIR=${prefix}/lib/gstreamer-$GST_MAJORMINOR
fi
AC_DEFINE_UNQUOTED(PLUGINS_DIR, "$PLUGINS_DIR", [Define the plugin directory])
AC_SUBST(PLUGINS_DIR)

dnl Set location of uninstalled plugin directory
PLUGINS_BUILDDIR=`pwd`
AC_DEFINE_UNQUOTED(PLUGINS_BUILDDIR, "$PLUGINS_BUILDDIR", [Define the uninstalled plugin directory])
AC_SUBST(PLUGINS_BUILDDIR)

dnl since glib and xml are package deps, there's no need to include their cflags
dnl in the pkg-config file

dnl for pkg-config
GST_PKG_CFLAGS=$GST_EXT_CFLAGS
GST_PKG_LIBS=$GST_EXT_LIBS
AC_SUBST(GST_PKG_CFLAGS)
AC_SUBST(GST_PKG_LIBS)

dnl finalize _CFLAGS and _LIBS
dnl add GLIB and XML if necessary to EXT_*
GST_CFLAGS="$GST_EXT_CFLAGS $XML_CFLAGS $GLIB_CFLAGS"
GST_LIBS="$GST_EXT_LIBS $XML_LIBS $GLIB_LIBS -lpopt"

dnl Private vars for libgst only
LIBGST_LIBS="$GST_LIBS"
LIBGST_CFLAGS="$GST_CFLAGS -I\$(top_srcdir) $GST_ERROR"
AC_SUBST(LIBGST_LIBS)
AC_SUBST(LIBGST_CFLAGS)

dnl Vars for everyone else
GST_INT_LIBS="\$(top_builddir)/gst/libgstreamer-$GST_MAJORMINOR.la"
GST_INT_CFLAGS="$GST_INT_CFLAGS -I\$(top_srcdir)/libs -I\$(top_srcdir)/include"

AC_SUBST(GST_CFLAGS, "$LIBGST_CFLAGS $GST_INT_CFLAGS")
AC_SUBST(GST_LIBS, "$LIBGST_LIBS $GST_INT_LIBS")

GST_PLUGIN_LDFLAGS='-module -avoid-version'
AC_SUBST(GST_PLUGIN_LDFLAGS, "$GST_PLUGIN_LDFLAGS")

AC_CONFIG_SUBDIRS(libs/ext/cothreads)

dnl ##################################################
dnl # deps for examples from manual                  #
dnl ##################################################

PKG_CHECK_MODULES(LIBGNOMEUI, libgnomeui-2.0,
                  HAVE_LIBGNOMEUI="yes", HAVE_LIBGNOMEUI="no")
AC_SUBST(LIBGNOMEUI_CFLAGS)
AC_SUBST(LIBGNOMEUI_LIBS)
AM_CONDITIONAL(HAVE_LIBGNOMEUI, test "x$HAVE_LIBGNOMEUI" = "xyes")

dnl ##################################################
dnl # Prepare informative messages to display at end #
dnl ##################################################

infomessages=

if test "x$PLUGINS_USE_BUILDDIR" = xyes; then
  infomessages="$infomessages
*** Warning: You have configured using the --enable-plugin-builddir option.

This option is for development purposes only: binaries built with
it should be used with code in the build tree only.  To build an
installable version, use ./configure without the --enable-plugin-builddir
option.  Note that the autogen.sh script supplies the plugin builddir
option automatically -- run ./autogen.sh --disable-plugin-buildddir to make
an installable build.

"
fi

dnl #########################
dnl # Make the output files #
dnl #########################

dnl libs/ext/Makefile
AC_OUTPUT(
Makefile
include/Makefile
gst/Makefile
gst/gstversion.h
gst/autoplug/Makefile
gst/caches/Makefile
gst/elements/Makefile
gst/parse/Makefile
gst/schedulers/Makefile
gst/types/Makefile
gst/registries/Makefile
libs/Makefile
libs/gst/Makefile
libs/gst/bytestream/Makefile
libs/gst/getbits/Makefile
libs/gst/putbits/Makefile
libs/gst/control/Makefile
libs/ext/Makefile
tests/Makefile
tests/bufspeed/Makefile
tests/memchunk/Makefile
tests/muxing/Makefile
tests/seeking/Makefile
tests/sched/Makefile
tests/threadstate/Makefile
testsuite/Makefile
testsuite/bytestream/Makefile
testsuite/caps/Makefile
testsuite/cleanup/Makefile
testsuite/clock/Makefile
testsuite/dynparams/Makefile
testsuite/elements/Makefile
testsuite/plugin/Makefile
testsuite/refcounting/Makefile
testsuite/threads/Makefile
examples/Makefile
examples/autoplug/Makefile
examples/cutter/Makefile
examples/helloworld/Makefile
examples/helloworld2/Makefile
examples/launch/Makefile
examples/manual/Makefile
examples/mixer/Makefile
examples/pingpong/Makefile
examples/plugins/Makefile
examples/queue/Makefile
examples/queue2/Makefile
examples/queue3/Makefile
examples/queue4/Makefile
examples/thread/Makefile
examples/typefind/Makefile
examples/xml/Makefile
tools/Makefile
docs/Makefile
docs/devhelp/Makefile
docs/devhelp/html2xml.py
docs/faq/Makefile
docs/gst/Makefile
docs/gst/gstreamer.types
docs/libs/Makefile
docs/manual/Makefile
docs/pwg/Makefile
docs/plugins/Makefile
docs/plugins/gstreamer-plugins.types
docs/xsl/Makefile
stamp.h
gstreamer.pc
gstreamer-uninstalled.pc
gstreamer.spec,
echo "$infomessages", infomessages="$infomessages"
)