configure.ac

#  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([xlibre-xf86-video-amdgpu],
        [25.1.1],
        [https://github.com/X11Libre/xf86-video-amdgpu/issues],
        [xlibre-xf86-video-amdgpu])

AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])

AC_CONFIG_AUX_DIR(.)

# Initialize Automake
AM_INIT_AUTOMAKE([foreign dist-xz])

# 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

# Checks for programs.
AM_PROG_CC_C_O

if test "x$GCC" = "xyes"; then
	CPPFLAGS="$CPPFLAGS -Wall"
fi

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

PKG_PROG_PKG_CONFIG([0.25])

xlibre_video_drivers_dir=`$PKG_CONFIG xlibre-server --variable=video_drivers_dir`
AC_SUBST(xlibre_video_drivers_dir)

# Store the list of server defined optional extensions in REQUIRED_MODULES
XORG_DRIVER_CHECK_EXT(XV, videoproto)

# Checks for libraries.
PKG_CHECK_MODULES(LIBDRM, [libdrm >= 2.4.121])
PKG_CHECK_MODULES(LIBDRM_AMDGPU, [libdrm_amdgpu >= 2.4.121])
PKG_CHECK_MODULES(GBM, [gbm])

# Check for DRM header location (Linux uses drm/ subdirectory, BSD may not)
SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $LIBDRM_CFLAGS $LIBDRM_AMDGPU_CFLAGS"
# Check for headers with and without drm/ subdirectory
AC_CHECK_HEADERS([drm_fourcc.h amdgpu_drm.h],
    [found_drm_headers=yes],
    [found_drm_headers=no])
if test "x$found_drm_headers" = "xno"; then
    # Fallback: check in drm/ subdirectory
    AC_CHECK_HEADERS([drm/drm_fourcc.h drm/amdgpu_drm.h],
        [found_drm_headers=yes
         # Need to add -I flag for drm/ subdirectory
         drm_incdir="-I\${includedir}/drm"
         AC_SUBST(DRM_SUBDIR_INCDIR, ["$drm_incdir"])],
        [AC_MSG_ERROR([libdrm headers not found - libdrm required])])
fi
CPPFLAGS="$SAVE_CPPFLAGS"

# Obtain compiler/linker options for the driver dependencies
PKG_CHECK_MODULES(XORG, [xorg-server >= 25.0.0 xproto fontsproto xf86driproto randrproto renderproto xextproto >= 7.0.99.1 $REQUIRED_MODULES])

# Section "OutputClass" is only supported as of xserver 1.16
PKG_CHECK_EXISTS([xorg-server >= 1.16],
		 [sysconfigdir=`$PKG_CONFIG --variable=sysconfigdir xorg-server`],
		 [sysconfigdir=""])
AM_CONDITIONAL(HAS_XORG_CONF_DIR, [test "x$sysconfigdir" != "x"])

# Define a configure option for an alternate X Server configuration directory
AC_ARG_WITH(xorg-conf-dir,
            AS_HELP_STRING([--with-xorg-conf-dir=DIR],
                           [Default xorg.conf.d directory [[default=${prefix}/share/X11/xorg.conf.d]]]),
            [configdir="$withval"],
            [configdir='${prefix}/share/X11/xorg.conf.d'])
AC_SUBST(configdir)

AC_ARG_ENABLE([udev],
		AS_HELP_STRING([--disable-udev], [Disable libudev support [default=auto]]),
		[enable_udev="$enableval"],
		[enable_udev=auto])
if test "x$enable_udev" != "xno"; then
	PKG_CHECK_MODULES(LIBUDEV, [libudev], [LIBUDEV=yes], [LIBUDEV=no])
	if test "x$LIBUDEV" = xyes; then
		AC_DEFINE(HAVE_LIBUDEV, 1,[libudev support])
	elif test "x$enable_udev" != "xauto"; then
		AC_MSG_ERROR([Building with udev requested but libudev not found])
	fi
fi
AM_CONDITIONAL(LIBUDEV, test x$LIBUDEV = xyes)

SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $XORG_CFLAGS $GBM_CFLAGS"

AC_CHECK_HEADERS([glamor.h], [], [AC_MSG_ERROR([glamor needed])], [#include "xorg-server.h"])

AC_CHECK_DECL(GBM_BO_USE_LINEAR,
	      [AC_DEFINE(HAVE_GBM_BO_USE_LINEAR, 1, [Have GBM_BO_USE_LINEAR])], [],
	      [#include <stdlib.h>
	       #include <gbm.h>])

AC_CHECK_DECL(GBM_BO_USE_FRONT_RENDERING,
	      [AC_DEFINE(HAVE_GBM_BO_USE_FRONT_RENDERING, 1, [Have GBM_BO_USE_FRONT_RENDERING])], [],
	      [#include <stdlib.h>
	       #include <gbm.h>])

CPPFLAGS="$SAVE_CPPFLAGS"

# Check for GFX12 tile version support in libdrm
SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $LIBDRM_CFLAGS"
AC_CHECK_DECLS([AMD_FMT_MOD_TILE_VER_GFX12, AMD_FMT_MOD_TILE_GFX12_256B_2D, AMD_FMT_MOD_TILE_GFX12_4K_2D, AMD_FMT_MOD_TILE_GFX12_64K_2D, AMD_FMT_MOD_TILE_GFX12_256K_2D],
    [AC_DEFINE(HAVE_AMD_FMT_MOD_TILE_GFX12, 1, [libdrm has GFX12 tile support])],
    [AC_MSG_WARN([Some GFX12 tile constants missing - disabling GFX12 support])],
    [#include <drm_fourcc.h>])
CPPFLAGS="$SAVE_CPPFLAGS"

AC_CONFIG_FILES([Makefile src/Makefile man/Makefile conf/Makefile])
AC_OUTPUT

dnl
dnl Output some configuration info for the user
dnl
echo ""
echo "        prefix:              $prefix"
echo "        exec_prefix:         $exec_prefix"
echo "        libdir:              $libdir"
echo "        includedir:          $includedir"
echo "        configdir:           $configdir"
echo "        video_drivers_dir:   $xlibre_video_drivers_dir"
echo ""
echo "        CFLAGS:              $CFLAGS"
echo "        CXXFLAGS:            $CXXFLAGS"
echo "        Macros:              $DEFINES"

echo ""
echo "        Run '${MAKE-make}' to build xf86-video-amdgpu"
echo ""