1#  Copyright 2005 Adam Jackson.
2#
3#  Permission is hereby granted, free of charge, to any person obtaining a
4#  copy of this software and associated documentation files (the "Software"),
5#  to deal in the Software without restriction, including without limitation
6#  on the rights to use, copy, modify, merge, publish, distribute, sub
7#  license, and/or sell copies of the Software, and to permit persons to whom
8#  the Software is furnished to do so, subject to the following conditions:
9#
10#  The above copyright notice and this permission notice (including the next
11#  paragraph) shall be included in all copies or substantial portions of the
12#  Software.
13#
14#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16#  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
17#  ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
18#  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19#  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20#
21# Process this file with autoconf to produce a configure script
22
23# Initialize Autoconf
24AC_PREREQ([2.60])
25AC_INIT([xf86-video-r128],
26        [6.12.0],
27        [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg],
28        [xf86-video-r128])
29AC_CONFIG_SRCDIR([Makefile.am])
30AC_CONFIG_HEADERS([config.h])
31AC_CONFIG_AUX_DIR(.)
32
33# Initialize Automake
34AM_INIT_AUTOMAKE([foreign dist-bzip2])
35
36# Require X.Org macros 1.8 or later for MAN_SUBSTS set by XORG_MANPAGE_SECTIONS
37m4_ifndef([XORG_MACROS_VERSION],
38          [m4_fatal([must install xorg-macros 1.8 or later before running autoconf/autogen])])
39XORG_MACROS_VERSION(1.8)
40XORG_DEFAULT_OPTIONS
41
42# Initialize libtool
43AC_DISABLE_STATIC
44AC_PROG_LIBTOOL
45
46if test "x$GCC" = "xyes"; then
47	CPPFLAGS="$CPPFLAGS -Wall"
48fi
49
50AH_TOP([#include "xorg-server.h"])
51
52# Define a configure option for an alternate module directory
53AC_ARG_WITH(xorg-module-dir,
54            AS_HELP_STRING([--with-xorg-module-dir=DIR],
55                           [Default xorg module directory [[default=$libdir/xorg/modules]]]),
56            [moduledir="$withval"],
57            [moduledir="$libdir/xorg/modules"])
58
59AC_ARG_ENABLE(dri, AS_HELP_STRING([--disable-dri],
60                                  [Disable DRI support [[default=auto]]]),
61              [DRI="$enableval"],
62              [DRI=auto])
63
64AC_ARG_ENABLE(exa, AS_HELP_STRING([--disable-exa],
65				  [Disable EXA support [[default=enabled]]]),
66              [EXA="$enableval"],
67              [EXA=yes])
68
69# Store the list of server defined optional extensions in REQUIRED_MODULES
70XORG_DRIVER_CHECK_EXT(RANDR, randrproto)
71XORG_DRIVER_CHECK_EXT(RENDER, renderproto)
72XORG_DRIVER_CHECK_EXT(XV, videoproto)
73XORG_DRIVER_CHECK_EXT(XF86MISC, xf86miscproto)
74XORG_DRIVER_CHECK_EXT(DPMSExtension, xextproto)
75
76# Obtain compiler/linker options for the driver dependencies
77PKG_CHECK_MODULES(XORG, [xorg-server >= 1.3 xproto fontsproto $REQUIRED_MODULES])
78PKG_CHECK_MODULES(XEXT, [xextproto >= 7.0.99.1],
79                  HAVE_XEXTPROTO_71="yes"; AC_DEFINE(HAVE_XEXTPROTO_71, 1, [xextproto 7.1 available]),
80                  HAVE_XEXTPROTO_71="no")
81AM_CONDITIONAL(HAVE_XEXTPROTO_71, [ test "$HAVE_XEXTPROTO_71" = "yes" ])
82sdkdir=`$PKG_CONFIG --variable=sdkdir xorg-server`
83
84# Checks for libraries.
85
86if test "$DRI" != no; then
87	if test -f "${sdkdir}/dri.h"; then
88		have_dri_h="yes"
89	else
90		have_dri_h="no"
91	fi
92	if test -f "${sdkdir}/sarea.h"; then
93		have_sarea_h="yes"
94	else
95		have_sarea_h="no"
96	fi
97	if test -f "${sdkdir}/dristruct.h"; then
98		have_dristruct_h="yes"
99	else
100		have_dristruct_h="no"
101	fi
102	if test -f "${sdkdir}/damage.h"; then
103		have_damage_h="yes"
104	else
105		have_damage_h="no"
106	fi
107fi
108
109AC_MSG_CHECKING([whether to include DRI support])
110if test x$DRI = xauto; then
111	if test "$have_dri_h" = yes -a \
112                "$have_sarea_h" = yes -a \
113                "$have_dristruct_h" = yes; then
114		DRI="yes"
115	else
116		DRI="no"
117	fi
118fi
119AC_MSG_RESULT([$DRI])
120
121AM_CONDITIONAL(DRI, test x$DRI = xyes)
122if test "$DRI" = yes; then
123	PKG_CHECK_MODULES(DRI, [libdrm >= 2.2 xf86driproto])
124        AC_DEFINE(R128DRI,1,[Enable DRI driver support])
125        AC_DEFINE(R128DRI_DEVEL,1,[Enable developmental DRI driver support])
126fi
127
128SAVE_CPPFLAGS="$CPPFLAGS"
129CPPFLAGS="$CPPFLAGS $XORG_CFLAGS"
130# Properly handle EXA.
131AC_MSG_CHECKING([whether to enable EXA support])
132if test "x$EXA" = xyes; then
133        AC_MSG_RESULT(yes)
134        AS_IF([test -f "${sdkdir}/exa.h"], [have_exa_h="yes"], [have_exa_h="no"])
135else
136        AC_MSG_RESULT(no)
137fi
138
139SAVE_CPPFLAGS="$CPPFLAGS"
140CPPFLAGS="$CPPFLAGS $XORG_CFLAGS"
141if test "x$have_exa_h" = xyes; then
142        AC_MSG_CHECKING([whether EXA version is at least 2.0.0])
143        AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
144#include "xorg-server.h"
145#include "exa.h"
146#if EXA_VERSION_MAJOR < 2
147#error OLD EXA!
148#endif
149                          ]])],
150                          [USE_EXA=yes],
151                          [USE_EXA=no])
152        AC_MSG_RESULT($USE_EXA)
153
154        if test "x$USE_EXA" = xyes; then
155                AC_DEFINE(USE_EXA, 1, [Build support for Exa])
156        fi
157fi
158
159AC_CHECK_DECL(XSERVER_LIBPCIACCESS,
160	      [XSERVER_LIBPCIACCESS=yes],[XSERVER_LIBPCIACCESS=no],
161	      [#include "xorg-server.h"])
162CPPFLAGS="$SAVE_CPPFLAGS"
163
164AC_ARG_ENABLE(xaa,
165              AS_HELP_STRING([--enable-xaa],
166                             [Enable legacy X Acceleration Architecture (XAA) [default=auto]]),
167              [XAA="$enableval"],
168              [XAA=auto])
169if test "x$XAA" != xno; then
170        save_CFLAGS=$CFLAGS
171        save_CPPFLAGS=$CPPFLAGS
172        CFLAGS=$XORG_CFLAGS
173        CPPFLAGS="$XORG_CFLAGS"
174        AC_CHECK_HEADERS([xaa.h], XAA=yes, XAA=no)
175        CFLAGS=$save_CFLAGS
176        CPPFLAGS=$save_CPPFLAGS
177fi
178AC_MSG_CHECKING([whether to include XAA support])
179AM_CONDITIONAL(XAA, test "x$XAA" = xyes)
180AC_MSG_RESULT([$XAA])
181
182AM_CONDITIONAL(USE_EXA, test "x$USE_EXA" = xyes)
183
184if test "x$XSERVER_LIBPCIACCESS" = xyes; then
185    PKG_CHECK_MODULES([PCIACCESS], [pciaccess >= 0.8.0])
186    XORG_CFLAGS="$XORG_CFLAGS $PCIACCESS_CFLAGS"
187fi
188AM_CONDITIONAL(XSERVER_LIBPCIACCESS, test "x$XSERVER_LIBPCIACCESS" = xyes)
189
190# Checks for headers/macros for byte swapping
191# Known variants:
192#	<byteswap.h> bswap_16, bswap_32, bswap_64  (glibc)
193#	<sys/endian.h> __swap16, __swap32, __swap64 (OpenBSD)
194#	<sys/endian.h> bswap16, bswap32, bswap64 (other BSD's)
195#	and a fallback to local macros if none of the above are found
196
197# if <byteswap.h> is found, assume it's the correct version
198AC_CHECK_HEADERS([byteswap.h])
199
200# if <sys/endian.h> is found, have to check which version
201AC_CHECK_HEADER([sys/endian.h], [HAVE_SYS_ENDIAN_H="yes"], [HAVE_SYS_ENDIAN_H="no"])
202
203if test "x$HAVE_SYS_ENDIAN_H" = "xyes" ; then
204	AC_MSG_CHECKING([for __swap16 variant of <sys/endian.h> byteswapping macros])
205	AC_LINK_IFELSE([AC_LANG_PROGRAM([
206#include <sys/types.h>
207#include <sys/endian.h>
208 ], [
209int a = 1, b;
210b = __swap16(a);
211 ])
212], [SYS_ENDIAN__SWAP='yes'], [SYS_ENDIAN__SWAP='no'])
213	AC_MSG_RESULT([$SYS_ENDIAN__SWAP])
214
215	AC_MSG_CHECKING([for bswap16 variant of <sys/endian.h> byteswapping macros])
216	AC_LINK_IFELSE([AC_LANG_PROGRAM([
217#include <sys/types.h>
218#include <sys/endian.h>
219 ], [
220int a = 1, b;
221b = bswap16(a);
222 ])
223], [SYS_ENDIAN_BSWAP='yes'], [SYS_ENDIAN_BSWAP='no'])
224	AC_MSG_RESULT([$SYS_ENDIAN_BSWAP])
225
226	if test "$SYS_ENDIAN_BSWAP" = "yes" ; then
227		USE_SYS_ENDIAN_H=yes
228		BSWAP=bswap
229	else
230		if test "$SYS_ENDIAN__SWAP" = "yes" ; then
231			USE_SYS_ENDIAN_H=yes
232			BSWAP=__swap
233		else
234			USE_SYS_ENDIAN_H=no
235		fi
236	fi
237
238	if test "$USE_SYS_ENDIAN_H" = "yes" ; then
239	    AC_DEFINE([USE_SYS_ENDIAN_H], 1,
240		[Define to use byteswap macros from <sys/endian.h>])
241	    AC_DEFINE_UNQUOTED([bswap_16], ${BSWAP}16,
242			[Define to 16-bit byteswap macro])
243	    AC_DEFINE_UNQUOTED([bswap_32], ${BSWAP}32,
244			[Define to 32-bit byteswap macro])
245	    AC_DEFINE_UNQUOTED([bswap_64], ${BSWAP}64,
246			[Define to 64-bit byteswap macro])
247	fi
248fi
249
250AC_SUBST([moduledir])
251
252DRIVER_NAME=r128
253AC_SUBST([DRIVER_NAME])
254
255AC_MSG_NOTICE(
256[Please change the Driver line in xorg.conf from "ati" to "r128" or install]
257[the ati wrapper as well:]
258[    git://anongit.freedesktop.org/git/xorg/driver/xf86-video-ati]
259)
260
261AC_CONFIG_FILES([
262                Makefile
263                src/Makefile
264                man/Makefile
265])
266AC_OUTPUT
267