AC_PREREQ(2.52)

dnl initialize autoconf
dnl when going to/from release please set the nano (fourth number) right !
dnl releases only do Wall, cvs and prerelease does Werror too
AC_INIT(GStreamer Python Bindings, 0.10.4.1,
    http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
    gst-python)

dnl initialize automake
AM_INIT_AUTOMAKE

dnl define PACKAGE_VERSION_* variables
AS_VERSION

dnl check if this is a release version
AS_NANO(GST_CVS="no", GST_CVS="yes")

dnl can autoconf find the source ?
AC_CONFIG_SRCDIR([gst/gstmodule.c])

dnl define the output header for config
AM_CONFIG_HEADER([config.h])

dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
AM_MAINTAINER_MODE

AC_DEFINE_UNQUOTED(PYGST_MAJOR_VERSION, $PACKAGE_VERSION_MAJOR, [PyGst major version])
AC_DEFINE_UNQUOTED(PYGST_MINOR_VERSION, $PACKAGE_VERSION_MINOR, [PyGst minor version])
AC_DEFINE_UNQUOTED(PYGST_MICRO_VERSION, $PACKAGE_VERSION_MICRO, [PyGst micro version])
AC_DEFINE_UNQUOTED(PYGST_NANO_VERSION, $PACKAGE_VERSION_NANO, [PyGst nano version])

dnl Add parameters for aclocal
AC_SUBST(ACLOCAL_AMFLAGS, "-I common/m4")

dnl required versions of other packages
AC_SUBST(PYGTK_REQ, 2.6.3)
AC_SUBST(GLIB_REQ,  2.6.0)
AC_SUBST(GTK_REQ,   2.6.0)
AC_SUBST(GST_REQ,   0.10.2)
AC_SUBST(GSTPB_REQ, 0.10.0.2)


AC_DISABLE_STATIC
AC_PROG_LIBTOOL

dnl check for python
dnl AM_PATH_PYTHON(2.2)
AM_PATH_PYTHON
AC_MSG_CHECKING(for python >= 2.3)
prog="
import sys, string
minver = (2,3,0,'final',0)
if sys.version_info < minver:
  sys.exit(1)
sys.exit(0)"

if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
then
  AC_MSG_RESULT(okay)
else
  AC_MSG_ERROR(too old)
fi
AM_CHECK_PYTHON_HEADERS(,[AC_MSG_ERROR(could not find Python headers)])

dnl check for GStreamer
GST_MAJORMINOR=0.10
AC_SUBST(GST_MAJORMINOR)
PKG_CHECK_MODULES(GST, gstreamer-$GST_MAJORMINOR >= $GST_REQ)
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_LIBS)

dnl get the installed GStreamer core version
GST_MINOR_VERSION=`$PKG_CONFIG --modversion gstreamer-$GST_MAJORMINOR | cut -f 3 -d.`
GST_CVS_VERSION=`$PKG_CONFIG --modversion gstreamer-$GST_MAJORMINOR | cut -f 4 -d.`

echo "Building against GStreamer core 0.10.$GST_MINOR_VERSION , ignoring API additions if needed"

dnl Magic for allowing new API additions without forcing dependency on new core
dnl release. The lines do the magic so that new API additions are ignored at
dnl compile time.
dnl * Also see gst/gstversion.override.in and gst-0.10.*.override
dnl The following lines should be updated whenever:
dnl _ GST_REQ is up-ed (remove obsolete lines + gst-0.10.MINOR.ignore)
dnl _ new core/base is released (add lines + gst-0.10.MINOR.ignore)

if test "x$GST_CVS_VERSION" = "x"
then
  if test $GST_MINOR_VERSION -lt "3"
  then
    IGNORE_GST_0_10_3="gst-0.10.3.ignore"
  else
    IGNORE_GST_0_10_3=""
  fi

  if test $GST_MINOR_VERSION -lt "4"
  then
    IGNORE_GST_0_10_4="gst-0.10.4.ignore"
  else
    IGNORE_GST_0_10_4=""
  fi
  
  if test $GST_MINOR_VERSION -lt "5"
  then
    IGNORE_GST_0_10_5="gst-0.10.5.ignore"
  else
    IGNORE_GST_0_10_5=""
  fi

  if test $GST_MINOR_VERSION -lt "6"
  then
    IGNORE_GST_0_10_6="gst-0.10.6.ignore"
  else
    IGNORE_GST_0_10_6=""
  fi

  if test $GST_MINOR_VERSION -lt "7"
  then
    IGNORE_GST_0_10_7="gst-0.10.7.ignore"
  else
    IGNORE_GST_0_10_7=""
  fi
else
  IGNORE_GST_0_10_3=""
  IGNORE_GST_0_10_4=""
  IGNORE_GST_0_10_5=""
  IGNORE_GST_0_10_6=""
  IGNORE_GST_0_10_7=""
fi
AC_SUBST(IGNORE_GST_0_10_3)
AC_SUBST(IGNORE_GST_0_10_4)
AC_SUBST(IGNORE_GST_0_10_5)
AC_SUBST(IGNORE_GST_0_10_6)
AC_SUBST(IGNORE_GST_0_10_7)

dnl check for gstreamer-base; uninstalled is selected preferentially
PKG_CHECK_MODULES(GST_BASE, gstreamer-base-$GST_MAJORMINOR >= $GST_REQ,
  HAVE_GST_BASE="yes", HAVE_GST_BASE="no")

if test "x$HAVE_GST_BASE" = "xno"; then
  AC_MSG_ERROR(no GStreamer Base Libs found)
fi

AC_SUBST(GST_BASE_LIBS)
AC_SUBST(GST_BASE_CFLAGS)

dnl check for gstreamer-controller
PKG_CHECK_MODULES(GST_CONTROLLER, gstreamer-controller-$GST_MAJORMINOR >= $GST_REQ,
  HAVE_GST_CONTROLLER="yes", HAVE_GST_CONTROLLER="no")

if test "x$HAVE_GST_CONTROLLER" = "xno"; then
  AC_MSG_ERROR(no GStreamer Controller Libs found)
fi

AC_SUBST(GST_CONTROLLER_LIBS)
AC_SUBST(GST_CONTROLLER_CFLAGS)

dnl check for gstreamer-net
PKG_CHECK_MODULES(GST_NET, gstreamer-net-$GST_MAJORMINOR >= $GST_REQ,
  HAVE_GST_NET="yes", HAVE_GST_NET="no")

if test "x$HAVE_GST_NET" = "xno"; then
  AC_MSG_ERROR(no GStreamer Networking Libs found)
fi

AC_SUBST(GST_NET_LIBS)
AC_SUBST(GST_NET_CFLAGS)

dnl check for gstreamer-dataprotocol
PKG_CHECK_MODULES(GST_DP, gstreamer-dataprotocol-$GST_MAJORMINOR >= $GST_REQ,
  HAVE_GST_DP="yes", HAVE_GST_DP="no")

if test "x$HAVE_GST_DP" = "xno"; then
  AC_MSG_ERROR(no GStreamer Data Protocol Libs found)
fi

AC_SUBST(GST_DP_LIBS)
AC_SUBST(GST_DP_CFLAGS)


dnl check for gst-plugins-base
PKG_CHECK_MODULES(GST_PLUGINS_BASE, gstreamer-plugins-base-$GST_MAJORMINOR >= $GSTPB_REQ,
  HAVE_GST_PLUGINS_BASE="yes", HAVE_GST_PLUGINS_BASE="no")

if test "x$HAVE_GST_PLUGINS_BASE" = "xno"; then
  AC_MSG_ERROR(no gst-plugins-base found)
fi

AC_SUBST(GST_PLUGINS_BASE_LIBS)
AC_SUBST(GST_PLUGINS_BASE_CFLAGS)


dnl check for pygtk
PKG_CHECK_MODULES(PYGTK, pygtk-2.0 >= $PYGTK_REQ)
AC_SUBST(PYGTK_CFLAGS)

AC_MSG_CHECKING(for pygtk defs)
PYGTK_DEFSDIR=`$PKG_CONFIG --variable=defsdir pygtk-2.0`
AC_SUBST(PYGTK_DEFSDIR)
AC_MSG_RESULT($PYGTK_DEFSDIR)

AC_MSG_CHECKING(for pygtk h2def)
PYGTK_H2DEF=`$PKG_CONFIG --variable=codegendir pygtk-2.0`/h2def.py
AC_SUBST(PYGTK_H2DEF)
AC_MSG_RESULT($PYGTK_H2DEF)

AC_MSG_CHECKING(for pygtk codegen)
PYGTK_CODEGEN="$PYTHON `$PKG_CONFIG --variable=codegendir pygtk-2.0`/codegen.py"
dnl PYGTK_CODEGEN="$PYTHON \$(top_srcdir)/codegen/codegen.py"
AC_SUBST(PYGTK_CODEGEN)
AC_MSG_RESULT($PYGTK_CODEGEN)

dnl decide on error flags
dnl if we support -Wall, set it unconditionally
AS_COMPILER_FLAG(-Wall,
                 PYGST_ERROR_CFLAGS="-Wall",
                 PYGST_ERROR_CFLAGS="")
dnl if we're in nano >= 1, add -Werror if supported
if test "x$GST_CVS" = "xyes"
then
  AS_COMPILER_FLAG(-Werror, PYGST_ERROR_CFLAGS="$PYGST_ERROR_CFLAGS -Werror")
fi

PYGST_CFLAGS="$PYGST_ERROR_CFLAGS"
AC_SUBST(PYGST_CFLAGS)

dnl full installation path
AS_AC_EXPAND(PYTHONDIR, $pythondir)
AS_AC_EXPAND(PYEXECDIR, $pyexecdir)

dnl add debugging options ...
# changequote(,)dnl
# if test "x$GCC" = xyes; then
#   case " $CFLAGS " in
#   *[\	\ ]-Wall[\	\ ]*) ;;
#   *) CFLAGS="$CFLAGS -Wall" ;;
#   esac

#   case " $CFLAGS " in
#   *[\	\ ]-std=c9x[\	\ ]*) ;;
#   *) CFLAGS="$CFLAGS -std=c9x" ;;
#   esac
# fi
# changequote([,])dnl

GST_VALGRIND_CHECK()

AC_OUTPUT([
  Makefile
  codegen/Makefile
  gst/Makefile
  gst/gstversion.override
  gst/extend/Makefile
  examples/Makefile
  pkgconfig/Makefile
  pkgconfig/gst-python.pc
  pkgconfig/gst-python-uninstalled.pc
  testsuite/Makefile
  gst-python.spec
])