#  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

AC_PREREQ(2.57)
AC_INIT([xf86-video-i810],
        1.7.3,
        [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg],
        xf86-video-i810)

AC_DEFINE_UNQUOTED([INTEL_VERSION_MAJOR],
		   [$(echo $PACKAGE_VERSION | sed -e 's/^\([[0-9]]\)\.[[0-9]]\.[[0-9]]/\1/')],
		   [Major version])
AC_DEFINE_UNQUOTED([INTEL_VERSION_MINOR],
		   [$(echo $PACKAGE_VERSION | sed -e 's/^[[0-9]]\.\([[0-9]]\)\.[[0-9]]/\1/')],
		   [Minor version])
AC_DEFINE_UNQUOTED([INTEL_VERSION_PATCH],
		   [$(echo $PACKAGE_VERSION | sed -e 's/^[[0-9]]\.[[0-9]]\.\([[0-9]]\)/\1/')],
		   [Patch version])

AC_CONFIG_SRCDIR([Makefile.am])
AM_CONFIG_HEADER([config.h])
AC_CONFIG_AUX_DIR(.)

AM_INIT_AUTOMAKE([dist-bzip2])

AM_MAINTAINER_MODE

# Checks for programs.
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
AC_PROG_CC

AC_CHECK_PROG(gen4asm, [intel-gen4asm], yes, no)
AM_CONDITIONAL(HAVE_GEN4ASM, test x$gen4asm = xyes)

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

AC_ARG_WITH(xorg-module-dir,
            AC_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, AC_HELP_STRING([--disable-dri],
                                  [Disable DRI support [[default=auto]]]),
              [DRI="$enableval"],
              [DRI=auto])

AC_ARG_ENABLE(video-debug, AC_HELP_STRING([--enable-video-debug],
                                  [Enable video debugging support [[default=no]]]),
              [VIDEO_DEBUG="$enableval"],
              [VIDEO_DEBUG=no])


# Checks for extensions
XORG_DRIVER_CHECK_EXT(XINERAMA, xineramaproto)
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)

# Checks for pkg-config packages
PKG_CHECK_MODULES(XORG, [xorg-server xproto xvmc fontsproto $REQUIRED_MODULES])
sdkdir=$(pkg-config --variable=sdkdir xorg-server)

# Checks for libraries.

# Checks for header files.
AC_HEADER_STDC

if test "$DRI" != no; then
        AC_CHECK_FILE([${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])

dnl Use lots of warning flags with GCC

WARN_CFLAGS=""

if test "x$GCC" = "xyes"; then
	WARN_CFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes \
	-Wmissing-prototypes -Wmissing-declarations \
	-Wnested-externs -fno-strict-aliasing"
fi

CFLAGS="$CFLAGS $WARN_CFLAGS"

AM_CONDITIONAL(DRI, test x$DRI = xyes)
if test "$DRI" = yes; then
        PKG_CHECK_MODULES(DRI, [libdrm >= 2.2 xf86driproto])
        AC_DEFINE(XF86DRI,1,[Enable DRI driver support])
        AC_DEFINE(XF86DRI_DEVEL,1,[Enable developmental DRI driver support])
fi

AM_CONDITIONAL(VIDEO_DEBUG, test x$VIDEO_DEBUG = xyes)
if test "$VIDEO_DEBUG" = yes; then
	AC_DEFINE(VIDEO_DEBUG,1,[Enable debug support])
fi

AC_SUBST([DRI_CFLAGS])
AC_SUBST([XORG_CFLAGS])
AC_SUBST([moduledir])

DRIVER_NAME=i810
AC_SUBST([DRIVER_NAME])

XORG_MANPAGE_SECTIONS
XORG_RELEASE_VERSION

XORG_CHECK_LINUXDOC

AC_OUTPUT([
	Makefile
	src/Makefile
	src/xvmc/Makefile
	man/Makefile
])