summaryrefslogtreecommitdiff
path: root/configure.ac
blob: a67480c15fad51794d706db689726f60632a8e99 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
#  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.

AC_PREREQ([2.63])
AC_INIT([libdrm],
        [2.4.79],
        [https://bugs.freedesktop.org/enter_bug.cgi?product=DRI],
        [libdrm])

AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([build-aux])
PKG_PROG_PKG_CONFIG

# Require xorg-macros minimum of 1.12 for XORG_WITH_XSLTPROC
m4_ifndef([XORG_MACROS_VERSION],
          [m4_fatal([must install xorg-macros 1.12 or later before running autoconf/autogen])])
XORG_MACROS_VERSION(1.12)
XORG_WITH_XSLTPROC
XORG_MANPAGE_SECTIONS

AM_INIT_AUTOMAKE([1.10 foreign dist-bzip2])

# Enable quiet compiles on automake 1.11.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

# Check for programs
AC_PROG_CC
AC_PROG_CC_C99

if test "x$ac_cv_prog_cc_c99" = xno; then
	AC_MSG_ERROR([Building libdrm requires C99 enabled compiler])
fi

AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AC_FUNC_ALLOCA

AC_HEADER_MAJOR
AC_CHECK_HEADERS([sys/sysctl.h sys/select.h])

# Initialize libtool
LT_PREREQ([2.2])
LT_INIT([disable-static])

dnl pthread-stubs is mandatory on BSD platforms, due to the nature of the
dnl project. Even then there's a notable issue as described in the project README
case "$host_os" in
linux* | cygwin* | darwin* | solaris* | *-gnu* | gnu*)
    pthread_stubs_possible="no"
    ;;
* )
    pthread_stubs_possible="yes"
    ;;
esac

if test "x$pthread_stubs_possible" = xyes; then
    PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs >= 0.4)
    AC_SUBST(PTHREADSTUBS_CFLAGS)
    AC_SUBST(PTHREADSTUBS_LIBS)
fi

pkgconfigdir=${libdir}/pkgconfig
AC_SUBST(pkgconfigdir)
AC_ARG_ENABLE([udev],
              [AS_HELP_STRING([--enable-udev],
                              [Enable support for using udev instead of mknod (default: disabled)])],
              [UDEV=$enableval], [UDEV=no])

AC_ARG_ENABLE(libkms,
	      AS_HELP_STRING([--disable-libkms],
	      [Disable KMS mm abstraction library (default: auto, enabled on supported platforms)]),
	      [LIBKMS=$enableval], [LIBKMS=auto])

AC_ARG_ENABLE(intel,
	      AS_HELP_STRING([--disable-intel],
	      [Enable support for intel's KMS API (default: auto, enabled on x86)]),
	      [INTEL=$enableval], [INTEL=auto])

AC_ARG_ENABLE(radeon,
	      AS_HELP_STRING([--disable-radeon],
	      [Enable support for radeon's KMS API (default: auto)]),
	      [RADEON=$enableval], [RADEON=auto])

AC_ARG_ENABLE(amdgpu,
	      AS_HELP_STRING([--disable-amdgpu],
	      [Enable support for amdgpu's KMS API (default: auto)]),
	      [AMDGPU=$enableval], [AMDGPU=auto])

AC_ARG_ENABLE(nouveau,
	      AS_HELP_STRING([--disable-nouveau],
	      [Enable support for nouveau's KMS API (default: auto)]),
	      [NOUVEAU=$enableval], [NOUVEAU=auto])

AC_ARG_ENABLE(vmwgfx,
	      AS_HELP_STRING([--disable-vmwgfx],
	      [Enable support for vmwgfx's KMS API (default: yes)]),
	      [VMWGFX=$enableval], [VMWGFX=yes])

AC_ARG_ENABLE(omap-experimental-api,
	      AS_HELP_STRING([--enable-omap-experimental-api],
	      [Enable support for OMAP's experimental API (default: disabled)]),
	      [OMAP=$enableval], [OMAP=no])

AC_ARG_ENABLE(exynos-experimental-api,
	      AS_HELP_STRING([--enable-exynos-experimental-api],
	      [Enable support for EXYNOS's experimental API (default: disabled)]),
	      [EXYNOS=$enableval], [EXYNOS=no])

AC_ARG_ENABLE(freedreno,
	      AS_HELP_STRING([--disable-freedreno],
	      [Enable support for freedreno's KMS API (default: auto, enabled on arm)]),
	      [FREEDRENO=$enableval], [FREEDRENO=auto])

AC_ARG_ENABLE(freedreno-kgsl,
	      AS_HELP_STRING([--enable-freedreno-kgsl],
	      [Enable support for freedreno's to use downstream android kernel API (default: disabled)]),
	      [FREEDRENO_KGSL=$enableval], [FREEDRENO_KGSL=no])

AC_ARG_ENABLE(tegra-experimental-api,
	      AS_HELP_STRING([--enable-tegra-experimental-api],
	      [Enable support for Tegra's experimental API (default: disabled)]),
	      [TEGRA=$enableval], [TEGRA=no])

AC_ARG_ENABLE(vc4,
	      AS_HELP_STRING([--disable-vc4],
	      [Enable support for vc4's API (default: auto, enabled on arm)]),
	      [VC4=$enableval], [VC4=auto])

AC_ARG_ENABLE(etnaviv-experimental-api,
	      AS_HELP_STRING([--enable-etnaviv-experimental-api],
	      [Enable support for etnaviv's experimental API (default: disabled)]),
	      [ETNAVIV=$enableval], [ETNAVIV=no])

AC_ARG_ENABLE(install-test-programs,
		  AS_HELP_STRING([--enable-install-test-programs],
		  [Install test programs (default: no)]),
		  [INSTALL_TESTS=$enableval], [INSTALL_TESTS=no])

dnl ===========================================================================
dnl check compiler flags
AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
  AC_MSG_CHECKING([whether $CC supports $1])

  libdrm_save_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS $1"

  AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
  CFLAGS="$libdrm_save_CFLAGS"

  if test "x$libdrm_cc_flag" = "xyes"; then
    ifelse([$2], , :, [$2])
  else
    ifelse([$3], , :, [$3])
  fi
  AC_MSG_RESULT([$libdrm_cc_flag])
])

dnl We use clock_gettime to check for timeouts in drmWaitVBlank

AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
               [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
                             [AC_MSG_ERROR([Couldn't find clock_gettime])])])
AC_SUBST([CLOCK_LIB])

AC_CHECK_FUNCS([open_memstream], [HAVE_OPEN_MEMSTREAM=yes])

dnl Use lots of warning flags with with gcc and compatible compilers

dnl Note: if you change the following variable, the cache is automatically
dnl skipped and all flags rechecked.  So there's no need to do anything
dnl else.  If for any reason you need to force a recheck, just change
dnl MAYBE_WARN in an ignorable way (like adding whitespace)

MAYBE_WARN="-Wall -Wextra \
-Wsign-compare -Werror-implicit-function-declaration \
-Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
-Wpacked -Wswitch-enum -Wmissing-format-attribute \
-Wstrict-aliasing=2 -Winit-self \
-Wdeclaration-after-statement -Wold-style-definition \
-Wno-unused-parameter \
-Wno-attributes -Wno-long-long -Winline -Wshadow \
-Wno-missing-field-initializers"

# invalidate cached value if MAYBE_WARN has changed
if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
	unset libdrm_cv_warn_cflags
fi
AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
	echo
	WARN_CFLAGS=""

	# Some warning options are not supported by all versions of
	# gcc, so test all desired options against the current
	# compiler.
	#
	# Note that there are some order dependencies
	# here. Specifically, an option that disables a warning will
	# have no net effect if a later option then enables that
	# warnings, (perhaps implicitly). So we put some grouped
	# options (-Wall and -Wextra) up front and the -Wno options
	# last.

	for W in $MAYBE_WARN; do
		LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
	done

	libdrm_cv_warn_cflags=$WARN_CFLAGS
	libdrm_cv_warn_maybe=$MAYBE_WARN

	AC_MSG_CHECKING([which warning flags were supported])])
WARN_CFLAGS="$libdrm_cv_warn_cflags"

# Check for atomic intrinsics
AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives, [
	drm_cv_atomic_primitives="none"

	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
	int atomic_add(int *i) { return __sync_add_and_fetch (i, 1); }
	int atomic_cmpxchg(int *i, int j, int k) { return __sync_val_compare_and_swap (i, j, k); }
					  ]],[[]])], [drm_cv_atomic_primitives="Intel"],[])

	if test "x$drm_cv_atomic_primitives" = "xnone"; then
		AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
	fi

	# atomic functions defined in <atomic.h> & libc on Solaris
	if test "x$drm_cv_atomic_primitives" = "xnone"; then
		AC_CHECK_FUNC([atomic_cas_uint], drm_cv_atomic_primitives="Solaris")
	fi
])

if test "x$drm_cv_atomic_primitives" = xIntel; then
	AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
		[Enable if your compiler supports the Intel __sync_* atomic primitives])
fi
if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
	AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
fi

dnl Print out the approapriate message considering the value set be the
dnl respective in $1.
dnl $1 - value to be evaluated. Eg. $INTEL, $NOUVEAU, ...
dnl $2 - libdrm shortname. Eg. intel, freedreno, ...
dnl $3 - GPU name/brand. Eg. Intel, NVIDIA Tegra, ...
dnl $4 - Configure switch. Eg. intel, omap-experimental-api, ...
AC_DEFUN([LIBDRM_ATOMICS_NOT_FOUND_MSG], [
	case "x$1" in
		xyes)	AC_MSG_ERROR([libdrm_$2 depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for $3 GPUs by passing --disable-$4 to ./configure]) ;;
		xauto)	AC_MSG_WARN([Disabling $2. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.]) ;;
		*)	;;
	esac
])

if test "x$drm_cv_atomic_primitives" = "xnone"; then
	LIBDRM_ATOMICS_NOT_FOUND_MSG($INTEL, intel, Intel, intel)
	INTEL=no

	LIBDRM_ATOMICS_NOT_FOUND_MSG($RADEON, radeon, Radeon, radeon)
	RADEON=no

	LIBDRM_ATOMICS_NOT_FOUND_MSG($AMDGPU, amdgpu, AMD, amdgpu)
	AMDGPU=no

	LIBDRM_ATOMICS_NOT_FOUND_MSG($NOUVEAU, nouveau, NVIDIA, nouveau)
	NOUVEAU=no

	LIBDRM_ATOMICS_NOT_FOUND_MSG($OMAP, omap, OMAP, omap-experimental-api)
	OMAP=no

	LIBDRM_ATOMICS_NOT_FOUND_MSG($FREEDRENO, freedreno, Qualcomm Adreno, freedreno)
	FREEDRENO=no

	LIBDRM_ATOMICS_NOT_FOUND_MSG($TEGRA, tegra, NVIDIA Tegra, tegra-experimental-api)
	TEGRA=no

	LIBDRM_ATOMICS_NOT_FOUND_MSG($ETNAVIV, etnaviv, Vivante, etnaviv-experimental-api)
	ETNAVIV=no
else
	if test "x$INTEL" = xauto; then
		case $host_cpu in
			i?86|x86_64)	INTEL=yes ;;
			*)		INTEL=no ;;
		esac
	fi
	if test "x$RADEON" = xauto; then
		RADEON=yes
	fi
	if test "x$AMDGPU" = xauto; then
		AMDGPU=yes
	fi
	if test "x$NOUVEAU" = xauto; then
		NOUVEAU=yes
	fi
	if test "x$FREEDRENO" = xauto; then
		case $host_cpu in
			arm*|aarch64)	FREEDRENO=yes ;;
			*)		FREEDRENO=no ;;
		esac
	fi
	if test "x$VC4" = xauto; then
		case $host_cpu in
			arm*|aarch64)	VC4=yes ;;
			*)		VC4=no ;;
		esac
	fi
fi

if test "x$INTEL" != "xno"; then
	PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
fi
AC_SUBST(PCIACCESS_CFLAGS)
AC_SUBST(PCIACCESS_LIBS)

if test "x$UDEV" = xyes; then
	AC_DEFINE(UDEV, 1, [Have UDEV support])
fi

AC_CANONICAL_HOST
if test "x$LIBKMS" = xauto ; then
	case $host_os in
		linux*)		LIBKMS="yes" ;;
		freebsd* | kfreebsd*-gnu)
				LIBKMS="yes" ;;
		dragonfly*)	LIBKMS="yes" ;;
		*)		LIBKMS="no" ;;
	esac
fi

AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])

AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" = xyes])
if test "x$INTEL" = xyes; then
	AC_DEFINE(HAVE_INTEL, 1, [Have intel support])
fi

AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
if test "x$VMWGFX" = xyes; then
	AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
fi

AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
if test "x$NOUVEAU" = xyes; then
	AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
fi

AM_CONDITIONAL(HAVE_OMAP, [test "x$OMAP" = xyes])
if test "x$OMAP" = xyes; then
	AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
fi

AM_CONDITIONAL(HAVE_EXYNOS, [test "x$EXYNOS" = xyes])
if test "x$EXYNOS" = xyes; then
	AC_DEFINE(HAVE_EXYNOS, 1, [Have EXYNOS support])
fi

AM_CONDITIONAL(HAVE_FREEDRENO, [test "x$FREEDRENO" = xyes])
if test "x$FREEDRENO" = xyes; then
	AC_DEFINE(HAVE_FREEDRENO, 1, [Have freedreno support])
fi

if test "x$FREEDRENO_KGSL" = xyes; then
	if test "x$FREEDRENO" != xyes; then
		AC_MSG_ERROR([Cannot enable freedreno KGSL interface if freedreno is disabled])
	fi
fi
AM_CONDITIONAL(HAVE_FREEDRENO_KGSL, [test "x$FREEDRENO_KGSL" = xyes])
if test "x$FREEDRENO_KGSL" = xyes; then
	AC_DEFINE(HAVE_FREEDRENO_KGSL, 1, [Have freedreno support for KGSL kernel interface])
fi

AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
if test "x$RADEON" = xyes; then
	AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
fi

if test "x$AMDGPU" != xno; then
	# Detect cunit library
	PKG_CHECK_MODULES([CUNIT], [cunit >= 2.1], [have_cunit=yes], [have_cunit=no])
	# If pkg-config does not find cunit, check it using AC_CHECK_LIB.  We
	# do this because Debian (Ubuntu) lacks pkg-config file for cunit.
	# fixed in 2.1-2.dfsg-3: http://anonscm.debian.org/cgit/collab-maint/cunit.git/commit/?h=debian
	if test "x${have_cunit}" = "xno"; then
		AC_CHECK_LIB([cunit], [CU_initialize_registry], [have_cunit=yes], [have_cunit=no])
		if test "x${have_cunit}" = "xyes"; then
			CUNIT_LIBS="-lcunit"
			CUNIT_CFLAGS=""
			AC_SUBST([CUNIT_LIBS])
			AC_SUBST([CUNIT_CFLAGS])
		fi
	fi
else
	have_cunit=no
fi
AM_CONDITIONAL(HAVE_CUNIT, [test "x$have_cunit" != "xno"])

AM_CONDITIONAL(HAVE_AMDGPU, [test "x$AMDGPU" = xyes])
if test "x$AMDGPU" = xyes; then
	AC_DEFINE(HAVE_AMDGPU, 1, [Have amdgpu support])

	AC_DEFINE(HAVE_CUNIT, [test "x$have_cunit" != "xno"], [Enable CUNIT Have amdgpu support])

	if test "x$have_cunit" = "xno"; then
		AC_MSG_WARN([Could not find cunit library. Disabling amdgpu tests])
	fi
fi

AM_CONDITIONAL(HAVE_TEGRA, [test "x$TEGRA" = xyes])
if test "x$TEGRA" = xyes; then
	AC_DEFINE(HAVE_TEGRA, 1, [Have Tegra support])
fi

AM_CONDITIONAL(HAVE_VC4, [test "x$VC4" = xyes])
if test "x$VC4" = xyes; then
	AC_DEFINE(HAVE_VC4, 1, [Have VC4 support])
fi

AM_CONDITIONAL(HAVE_ETNAVIV, [test "x$ETNAVIV" = xyes])
if test "x$ETNAVIV" = xyes; then
	AC_DEFINE(HAVE_ETNAVIV, 1, [Have etnaviv support])
fi

AM_CONDITIONAL(HAVE_INSTALL_TESTS, [test "x$INSTALL_TESTS" = xyes])
if test "x$INSTALL_TESTS" = xyes; then
	AC_DEFINE(HAVE_INSTALL_TESTS, 1, [Install test programs])
fi

AC_ARG_ENABLE([cairo-tests],
              [AS_HELP_STRING([--enable-cairo-tests],
                              [Enable support for Cairo rendering in tests (default: auto)])],
              [CAIRO=$enableval], [CAIRO=auto])
if test "x$CAIRO" != xno; then
	PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
fi
AC_MSG_CHECKING([whether to enable Cairo tests])
if test "x$CAIRO" = xauto; then
	CAIRO="$HAVE_CAIRO"
fi
if test "x$CAIRO" = xyes; then
	if ! test "x$HAVE_CAIRO" = xyes; then
		AC_MSG_ERROR([Cairo support required but not present])
	fi
	AC_DEFINE(HAVE_CAIRO, 1, [Have Cairo support])
fi
AC_MSG_RESULT([$CAIRO])
AM_CONDITIONAL(HAVE_CAIRO, [test "x$CAIRO" = xyes])

# xsltproc for docbook manpages
AC_ARG_ENABLE([manpages],
              AS_HELP_STRING([--enable-manpages], [enable manpages @<:@default=auto@:>@]),
              [MANS=$enableval], [MANS=auto])
AM_CONDITIONAL([BUILD_MANPAGES], [test "x$XSLTPROC" != "x" -a "x$MANS" != "xno"])

# check for offline man-pages stylesheet
AC_MSG_CHECKING([for docbook manpages stylesheet])
MANPAGES_STYLESHEET="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
AC_PATH_PROGS_FEATURE_CHECK([XSLTPROC_TMP], [xsltproc],
                            AS_IF([`"$ac_path_XSLTPROC_TMP" --nonet "$MANPAGES_STYLESHEET" > /dev/null 2>&1`],
                                  [HAVE_MANPAGES_STYLESHEET=yes]))
if test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"; then
        AC_SUBST(MANPAGES_STYLESHEET)
        AC_MSG_RESULT([yes])
else
        AC_MSG_RESULT([no])
fi
AM_CONDITIONAL([HAVE_MANPAGES_STYLESHEET], [test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"])

AC_ARG_ENABLE(valgrind,
              [AS_HELP_STRING([--enable-valgrind],
                             [Build libdrm with  valgrind support (default: auto)])],
                             [VALGRIND=$enableval], [VALGRIND=auto])
if test "x$VALGRIND" != xno; then
	PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
fi
AC_MSG_CHECKING([whether to enable Valgrind support])
if test "x$VALGRIND" = xauto; then
	VALGRIND="$have_valgrind"
fi

if test "x$VALGRIND" = "xyes"; then
	if ! test "x$have_valgrind" = xyes; then
		AC_MSG_ERROR([Valgrind support required but not present])
	fi
	AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
fi

AC_MSG_RESULT([$VALGRIND])

AC_ARG_WITH([kernel-source],
            [AS_HELP_STRING([--with-kernel-source],
              [specify path to linux kernel source])],
	    [kernel_source="$with_kernel_source"])
AC_SUBST(kernel_source)

AC_MSG_CHECKING([whether $CC supports __attribute__(("hidden"))])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
    int foo_hidden( void ) __attribute__((visibility("hidden")));
])], HAVE_ATTRIBUTE_VISIBILITY="yes"; AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]));

if test "x$HAVE_ATTRIBUTE_VISIBILITY" = xyes; then
    AC_DEFINE(HAVE_VISIBILITY, 1, [Compiler supports __attribute__(("hidden"))])
fi

AC_SUBST(WARN_CFLAGS)
AC_CONFIG_FILES([
	Makefile
	libkms/Makefile
	libkms/libkms.pc
	intel/Makefile
	intel/libdrm_intel.pc
	radeon/Makefile
	radeon/libdrm_radeon.pc
	amdgpu/Makefile
	amdgpu/libdrm_amdgpu.pc
	nouveau/Makefile
	nouveau/libdrm_nouveau.pc
	omap/Makefile
	omap/libdrm_omap.pc
	exynos/Makefile
	exynos/libdrm_exynos.pc
	freedreno/Makefile
	freedreno/libdrm_freedreno.pc
	tegra/Makefile
	tegra/libdrm_tegra.pc
	vc4/Makefile
	vc4/libdrm_vc4.pc
	etnaviv/Makefile
	etnaviv/libdrm_etnaviv.pc
	tests/Makefile
	tests/modeprint/Makefile
	tests/modetest/Makefile
	tests/kms/Makefile
	tests/kmstest/Makefile
	tests/proptest/Makefile
	tests/radeon/Makefile
	tests/amdgpu/Makefile
	tests/vbltest/Makefile
	tests/exynos/Makefile
	tests/tegra/Makefile
	tests/nouveau/Makefile
	tests/etnaviv/Makefile
	tests/util/Makefile
	man/Makefile
	libdrm.pc])
AC_OUTPUT

echo ""
echo "$PACKAGE_STRING will be compiled with:"
echo ""
echo "  libkms         $LIBKMS"
echo "  Intel API      $INTEL"
echo "  vmwgfx API     $VMWGFX"
echo "  Radeon API     $RADEON"
echo "  AMDGPU API     $AMDGPU"
echo "  Nouveau API    $NOUVEAU"
echo "  OMAP API       $OMAP"
echo "  EXYNOS API     $EXYNOS"
echo "  Freedreno API  $FREEDRENO (kgsl: $FREEDRENO_KGSL)"
echo "  Tegra API      $TEGRA"
echo "  VC4 API        $VC4"
echo "  Etnaviv API    $ETNAVIV"
echo ""