#  Copyright 2005 Adam Jackson.
#
#  Permission is hereby granted, free of charge, to any person obtaining a
#  copy of this software and associated documentation files (the "Software"),
#  to deal in the Software without restriction, including without limitation
#  on the rights to use, copy, modify, merge, publish, distribute, sub
#  license, and/or sell copies of the Software, and to permit persons to whom
#  the Software is furnished to do so, subject to the following conditions:
#
#  The above copyright notice and this permission notice (including the next
#  paragraph) shall be included in all copies or substantial portions of the
#  Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
#  ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
#  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
#  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Process this file with autoconf to produce a configure script

# Initialize Autoconf
AC_PREREQ([2.60])
AC_INIT([xf86-video-intel],
        [2.12.0],
        [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg],
        [xf86-video-intel])
AC_CONFIG_SRCDIR([Makefile.am])
AM_CONFIG_HEADER([config.h])
AC_CONFIG_AUX_DIR(.)

# Initialize Automake
AM_INIT_AUTOMAKE([foreign dist-bzip2])
AM_MAINTAINER_MODE

# Require X.Org macros 1.8 or later for MAN_SUBSTS set by XORG_MANPAGE_SECTIONS
m4_ifndef([XORG_MACROS_VERSION],
          [m4_fatal([must install xorg-macros 1.8 or later before running autoconf/autogen])])
XORG_MACROS_VERSION(1.8)
XORG_DEFAULT_OPTIONS

# Initialize libtool
AC_DISABLE_STATIC
AC_PROG_LIBTOOL

PKG_CHECK_MODULES(GEN4ASM, [intel-gen4asm >= 1.2], [gen4asm=yes], [gen4asm=no])
AM_CONDITIONAL(HAVE_GEN4ASM, test x$gen4asm = xyes)

AH_TOP([#include "xorg-server.h"])

# Define a configure option for an alternate module directory
AC_ARG_WITH(xorg-module-dir,
            AS_HELP_STRING([--with-xorg-module-dir=DIR],
                           [Default xorg module directory [[default=$libdir/xorg/modules]]]),
            [moduledir="$withval"],
            [moduledir="$libdir/xorg/modules"])

AC_ARG_ENABLE(dri, AS_HELP_STRING([--disable-dri],
                                  [Disable DRI support [[default=auto]]]),
              [DRI="$enableval"],
              [DRI=auto])

AC_ARG_ENABLE(xvmc, AS_HELP_STRING([--disable-xvmc],
                                  [Disable XvMC support [[default=yes]]]),
              [XVMC="$enableval"],
              [XVMC=yes])

AC_ARG_ENABLE(kms-only, AS_HELP_STRING([--enable-kms-only],
                                  [Assume KMS support [[default=no]]]),
              [KMS_ONLY="$enableval"],
              [KMS_ONLY=no])

AC_ARG_ENABLE(xaa,
	     AS_HELP_STRING([--enable-xaa],
			    [Enable legacy X Acceleration Architecture (XAA) [default=auto]]),
	     [XAA="$enableval"],
	     [XAA=auto])
if test "x$XAA" != xno; then
	save_CFLAGS=$CFLAGS
	CFLAGS=$XORG_CFLAGS
	AC_CHECK_HEADERS([xaa.h], XAA=yes, XAA=no)
	CFLAGS=$save_CFLAGS
fi
AC_MSG_CHECKING([whether to include XAA support])
AM_CONDITIONAL(XAA, test "x$XAA" = xyes)
AC_MSG_RESULT([$XAA])

AC_ARG_ENABLE(dga,
	     AS_HELP_STRING([--enable-dga],
			    [Enable legacy Direct Graphics Access (DGA) [default=auto]]),
	     [DGA="$enableval"],
	     [DGA=auto])
if test "x$DGA" != xno; then
	save_CFLAGS=$CFLAGS
	CFLAGS=$XORG_CFLAGS
	AC_CHECK_HEADERS([dgaproc.h], DGA=yes, DGA=no, [#include <dixstruct.h>])
	CFLAGS=$save_CFLAGS
fi
AC_MSG_CHECKING([whether to include DGA support])
AM_CONDITIONAL(DGA, test "x$DGA" = xyes)
AC_MSG_RESULT([$DGA])


AC_ARG_ENABLE(debug,
	      AS_HELP_STRING([--enable-debug],
			     [Enables internal debugging [[default=yes]]]),
              [DEBUG="$enableval"],
              [DEBUG=yes])

# Store the list of server defined optional extensions in REQUIRED_MODULES
XORG_DRIVER_CHECK_EXT(RANDR, randrproto)
XORG_DRIVER_CHECK_EXT(RENDER, renderproto)
XORG_DRIVER_CHECK_EXT(XF86DRI, xextproto x11)
XORG_DRIVER_CHECK_EXT(DPMSExtension, xextproto)

# Obtain compiler/linker options for the driver dependencies
PKG_CHECK_MODULES(XORG, [xorg-server >= 1.6 xproto fontsproto $REQUIRED_MODULES])
PKG_CHECK_MODULES(DRM, [libdrm >= 2.4.11])
PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])

sdkdir=$(pkg-config --variable=sdkdir xorg-server)

save_CFLAGS="$CFLAGS"
CFLAGS="$XORG_CFLAGS $DRI_CFLAGS $DRM_CFLAGS"
CPPFLAGS="$XORG_CFLAGS $DRI_CFLAGS $DRM_CFLAGS"
AC_MSG_CHECKING([whether to include DRI support])
if test x$DRI != xno; then
        AC_CHECK_FILE([${sdkdir}/dri.h],
                      [have_dri_h="yes"], [have_dri_h="no"])
        AC_CHECK_FILE([${sdkdir}/sarea.h],
                      [have_sarea_h="yes"], [have_sarea_h="no"])
        AC_CHECK_FILE([${sdkdir}/dristruct.h],
                      [have_dristruct_h="yes"], [have_dristruct_h="no"])
fi
AC_MSG_CHECKING([whether to include DRI support])
if test x$DRI = xauto; then
        if test "$have_dri_h" = yes -a \
                "$have_sarea_h" = yes -a \
                "$have_dristruct_h" = yes; then
                DRI="yes"
        else
                DRI="no"
        fi
fi
AC_MSG_RESULT([$DRI])
CFLAGS="$save_CFLAGS $DEBUGFLAGS"

AM_CONDITIONAL(DRI, test x$DRI = xyes)
if test "$DRI" = yes; then
        PKG_CHECK_MODULES(DRI, [xf86driproto])
        AC_DEFINE(XF86DRI,1,[Enable DRI driver support])
        AC_DEFINE(HAVE_DRI1,1,[Enable DRI1 driver support])
        AC_DEFINE(XF86DRI_DEVEL,1,[Enable developmental DRI driver support])
fi

if test "$XVMC" = yes; then
	PKG_CHECK_MODULES(XVMCLIB,
			  [xvmc xext xfixes dri2proto x11-xcb xcb-dri2 xcb-aux],
			  [XVMC=yes], [XVMC=no])
fi
AC_MSG_CHECKING([whether to include XvMC support])
AC_MSG_RESULT([$XVMC])
AM_CONDITIONAL(XVMC, test x$XVMC = xyes)
if test "x$XVMC" = xyes; then
	AC_DEFINE(ENABLE_XVMC,1,[Enable XvMC support])
fi

AM_CONDITIONAL(KMS_ONLY, test x$KMS_ONLY = xyes)
if test "x$KMS_ONLY" = xyes; then
	AC_DEFINE(KMS_ONLY,1,[Assume KMS support])
fi

if test "x$DEBUG" = xno; then
	AC_DEFINE(NDEBUG,1,[Disable internal debugging])
fi

DRIVER_NAME=intel
AC_SUBST([DRIVER_NAME])
AC_SUBST([moduledir])

AC_CONFIG_FILES([
                Makefile
                uxa/Makefile
                src/Makefile
                src/xvmc/Makefile
                src/xvmc/shader/Makefile
                src/xvmc/shader/mc/Makefile
                src/xvmc/shader/vld/Makefile
		src/bios_reader/Makefile
		src/ch7017/Makefile
		src/ch7xxx/Makefile
		src/ivch/Makefile
		src/reg_dumper/Makefile
		src/sil164/Makefile
		src/tfp410/Makefile
                src/legacy/Makefile
                src/legacy/i810/Makefile
                src/legacy/i810/xvmc/Makefile
                man/Makefile
                src/render_program/Makefile
])
AC_OUTPUT