libkms: build the intel backend only when needed
[platform/upstream/libdrm.git] / configure.ac
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 AC_PREREQ([2.63])
22 AC_INIT([libdrm],
23         [2.4.56],
24         [https://bugs.freedesktop.org/enter_bug.cgi?product=DRI],
25         [libdrm])
26
27 AC_CONFIG_HEADERS([config.h])
28 AC_CONFIG_SRCDIR([Makefile.am])
29 AC_CONFIG_MACRO_DIR([m4])
30 AC_CONFIG_AUX_DIR([build-aux])
31
32 AM_INIT_AUTOMAKE([1.10 foreign dist-bzip2])
33 AM_MAINTAINER_MODE([enable])
34
35 # Enable quiet compiles on automake 1.11.
36 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
37
38 # Check for programs
39 AC_PROG_CC
40
41 AC_USE_SYSTEM_EXTENSIONS
42 AC_SYS_LARGEFILE
43 AC_FUNC_ALLOCA
44
45 # Initialize libtool
46 LT_PREREQ([2.2])
47 LT_INIT([disable-static])
48
49
50 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
51 AC_SUBST(PTHREADSTUBS_CFLAGS)
52 AC_SUBST(PTHREADSTUBS_LIBS)
53
54 pkgconfigdir=${libdir}/pkgconfig
55 AC_SUBST(pkgconfigdir)
56 AC_ARG_ENABLE([udev],
57               [AS_HELP_STRING([--enable-udev],
58                               [Enable support for using udev instead of mknod (default: disabled)])],
59               [UDEV=$enableval], [UDEV=no])
60
61 AC_ARG_ENABLE(libkms,
62               AS_HELP_STRING([--disable-libkms],
63               [Disable KMS mm abstraction library (default: auto)]),
64               [LIBKMS=$enableval], [LIBKMS=auto])
65
66 AC_ARG_ENABLE(intel,
67               AS_HELP_STRING([--disable-intel],
68               [Enable support for intel's KMS API (default: auto)]),
69               [INTEL=$enableval], [INTEL=auto])
70
71 AC_ARG_ENABLE(radeon,
72               AS_HELP_STRING([--disable-radeon],
73               [Enable support for radeon's KMS API (default: auto)]),
74               [RADEON=$enableval], [RADEON=auto])
75
76 AC_ARG_ENABLE(nouveau,
77               AS_HELP_STRING([--disable-nouveau],
78               [Enable support for nouveau's KMS API (default: auto)]),
79               [NOUVEAU=$enableval], [NOUVEAU=auto])
80
81 AC_ARG_ENABLE(vmwgfx,
82               AS_HELP_STRING([--disable-vmwgfx],
83               [Enable support for vmwgfx's KMS API (default: yes)]),
84               [VMWGFX=$enableval], [VMWGFX=yes])
85
86 AC_ARG_ENABLE(omap-experimental-api,
87               AS_HELP_STRING([--enable-omap-experimental-api],
88               [Enable support for OMAP's experimental API (default: disabled)]),
89               [OMAP=$enableval], [OMAP=no])
90
91 AC_ARG_ENABLE(exynos-experimental-api,
92               AS_HELP_STRING([--enable-exynos-experimental-api],
93               [Enable support for EXYNOS's experimental API (default: disabled)]),
94               [EXYNOS=$enableval], [EXYNOS=no])
95
96 AC_ARG_ENABLE(freedreno-experimental-api,
97               AS_HELP_STRING([--enable-freedreno-experimental-api],
98               [Enable support for freedreno's experimental API (default: disabled)]),
99               [FREEDRENO=$enableval], [FREEDRENO=no])
100
101 AC_ARG_ENABLE(install-test-programs,
102                   AS_HELP_STRING([--enable-install-test-programs],
103                   [Install test programs (default: no)]),
104                   [INSTALL_TESTS=$enableval], [INSTALL_TESTS=no])
105
106 dnl ===========================================================================
107 dnl check compiler flags
108 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
109   AC_MSG_CHECKING([whether $CC supports $1])
110
111   libdrm_save_CFLAGS="$CFLAGS"
112   CFLAGS="$CFLAGS $1"
113
114   AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
115   CFLAGS="$libdrm_save_CFLAGS"
116
117   if test "x$libdrm_cc_flag" = "xyes"; then
118     ifelse([$2], , :, [$2])
119   else
120     ifelse([$3], , :, [$3])
121   fi
122   AC_MSG_RESULT([$libdrm_cc_flag])
123 ])
124
125 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
126
127 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
128                [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
129                              [AC_MSG_ERROR([Couldn't find clock_gettime])])])
130 AC_SUBST([CLOCK_LIB])
131
132 AC_CHECK_FUNCS([open_memstream], [HAVE_OPEN_MEMSTREAM=yes])
133
134 dnl Use lots of warning flags with with gcc and compatible compilers
135
136 dnl Note: if you change the following variable, the cache is automatically
137 dnl skipped and all flags rechecked.  So there's no need to do anything
138 dnl else.  If for any reason you need to force a recheck, just change
139 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
140
141 MAYBE_WARN="-Wall -Wextra \
142 -Wsign-compare -Werror-implicit-function-declaration \
143 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
144 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
145 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
146 -Wstrict-aliasing=2 -Winit-self \
147 -Wdeclaration-after-statement -Wold-style-definition \
148 -Wno-missing-field-initializers -Wno-unused-parameter \
149 -Wno-attributes -Wno-long-long -Winline"
150
151 # invalidate cached value if MAYBE_WARN has changed
152 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
153         unset libdrm_cv_warn_cflags
154 fi
155 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
156         echo
157         WARN_CFLAGS=""
158
159         # Some warning options are not supported by all versions of
160         # gcc, so test all desired options against the current
161         # compiler.
162         #
163         # Note that there are some order dependencies
164         # here. Specifically, an option that disables a warning will
165         # have no net effect if a later option then enables that
166         # warnings, (perhaps implicitly). So we put some grouped
167         # options (-Wall and -Wextra) up front and the -Wno options
168         # last.
169
170         for W in $MAYBE_WARN; do
171                 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
172         done
173
174         libdrm_cv_warn_cflags=$WARN_CFLAGS
175         libdrm_cv_warn_maybe=$MAYBE_WARN
176
177         AC_MSG_CHECKING([which warning flags were supported])])
178 WARN_CFLAGS="$libdrm_cv_warn_cflags"
179
180 # Check for atomic intrinsics
181 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives, [
182         drm_cv_atomic_primitives="none"
183
184         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
185         int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
186         int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
187                                           ]],[[]])], [drm_cv_atomic_primitives="Intel"],[])
188
189         if test "x$drm_cv_atomic_primitives" = "xnone"; then
190                 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
191         fi
192
193         # atomic functions defined in <atomic.h> & libc on Solaris
194         if test "x$drm_cv_atomic_primitives" = "xnone"; then
195                 AC_CHECK_FUNC([atomic_cas_uint], drm_cv_atomic_primitives="Solaris")
196         fi
197 ])
198
199 if test "x$drm_cv_atomic_primitives" = xIntel; then
200         AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
201                 [Enable if your compiler supports the Intel __sync_* atomic primitives])
202 fi
203 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
204         AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
205 fi
206
207 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno" -o "x$NOUVEAU" != "xno"; then
208         if test "x$drm_cv_atomic_primitives" = "xnone"; then
209                 if test "x$INTEL" != "xauto"; then
210                         if test "x$INTEL" != "xno"; then
211                                 AC_MSG_ERROR([libdrm_intel 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 Intel GPUs by passing --disable-intel to ./configure])
212                         fi
213                 else
214                         AC_MSG_WARN([Disabling libdrm_intel. 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.])
215                         INTEL=no
216                 fi
217                 if test "x$RADEON" != "xauto"; then
218                         if test "x$RADEON" != "xno"; then
219                                 AC_MSG_ERROR([libdrm_radeon 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 Radeon GPUs by passing --disable-radeon to ./configure])
220                         fi
221                 else
222                         AC_MSG_WARN([Disabling libdrm_radeon. 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.])
223                         RADEON=no
224                 fi
225                 if test "x$NOUVEAU" != "xauto"; then
226                         if test "x$NOUVEAU" != "xno"; then
227                                 AC_MSG_ERROR([libdrm_nouveau 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 NVIDIA GPUs by passing --disable-nouveau to ./configure])
228                         fi
229                 else
230                         AC_MSG_WARN([Disabling libdrm_nouveau. 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.])
231                         NOUVEAU=no
232                 fi
233         else
234                 if test "x$INTEL" != "xno"; then
235                         case $host_cpu in
236                                 i?86|x86_64) INTEL=yes ;;
237                                 *) INTEL=no ;;
238                         esac
239                 fi
240                 if test "x$RADEON" != "xno"; then
241                         RADEON=yes
242                 fi
243                 if test "x$NOUVEAU" != "xno"; then
244                         NOUVEAU=yes
245                 fi
246         fi
247 fi
248
249 if test "x$INTEL" != "xno"; then
250         PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
251 fi
252 AC_SUBST(PCIACCESS_CFLAGS)
253 AC_SUBST(PCIACCESS_LIBS)
254
255 if test "x$UDEV" = xyes; then
256         AC_DEFINE(UDEV, 1, [Have UDEV support])
257 fi
258
259 AC_CANONICAL_HOST
260 if test "x$LIBKMS" = xauto ; then
261         case $host_os in
262                 linux*)         LIBKMS="yes" ;;
263                 freebsd* | kfreebsd*-gnu)
264                                 LIBKMS="yes" ;;
265                 dragonfly*)     LIBKMS="yes" ;;
266                 *)              LIBKMS="no" ;;
267         esac
268 fi
269
270 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
271
272 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" = xyes])
273 if test "x$INTEL" = xyes; then
274         AC_DEFINE(HAVE_INTEL, 1, [Have intel support])
275 fi
276
277 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
278 if test "x$VMWGFX" = xyes; then
279         AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
280 fi
281
282 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
283 if test "x$NOUVEAU" = xyes; then
284         AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
285 fi
286
287 AM_CONDITIONAL(HAVE_OMAP, [test "x$OMAP" = xyes])
288 if test "x$OMAP" = xyes; then
289         AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
290 fi
291
292 AM_CONDITIONAL(HAVE_EXYNOS, [test "x$EXYNOS" = xyes])
293 if test "x$EXYNOS" = xyes; then
294         AC_DEFINE(HAVE_EXYNOS, 1, [Have EXYNOS support])
295 fi
296
297 AM_CONDITIONAL(HAVE_FREEDRENO, [test "x$FREEDRENO" = xyes])
298 if test "x$FREEDRENO" = xyes; then
299         AC_DEFINE(HAVE_FREEDRENO, 1, [Have freedreno support])
300 fi
301
302 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
303 if test "x$RADEON" = xyes; then
304         AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
305 fi
306
307 AM_CONDITIONAL(HAVE_INSTALL_TESTS, [test "x$INSTALL_TESTS" = xyes])
308 if test "x$INSTALL_TESTS" = xyes; then
309         AC_DEFINE(HAVE_INSTALL_TESTS, 1, [Install test programs])
310 fi
311
312 AC_ARG_ENABLE([cairo-tests],
313               [AS_HELP_STRING([--enable-cairo-tests],
314                               [Enable support for Cairo rendering in tests (default: auto)])],
315               [CAIRO=$enableval], [CAIRO=auto])
316 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
317 AC_MSG_CHECKING([whether to enable Cairo tests])
318 if test "x$CAIRO" = xauto; then
319         CAIRO="$HAVE_CAIRO"
320 fi
321 if test "x$CAIRO" = xyes; then
322         if ! test "x$HAVE_CAIRO" = xyes; then
323                 AC_MSG_ERROR([Cairo support required but not present])
324         fi
325         AC_DEFINE(HAVE_CAIRO, 1, [Have Cairo support])
326 fi
327 AC_MSG_RESULT([$CAIRO])
328 AM_CONDITIONAL(HAVE_CAIRO, [test "x$CAIRO" = xyes])
329
330 # For enumerating devices in test case
331 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
332 if test "x$HAVE_LIBUDEV" = xyes; then
333         AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
334 fi
335 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
336
337 # xsltproc for docbook manpages
338 AC_ARG_ENABLE([manpages],
339               AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
340               [MANS=$enableval], [MANS=auto])
341 AC_PATH_PROG(XSLTPROC, xsltproc)
342 AM_CONDITIONAL([BUILD_MANPAGES], [test "x$XSLTPROC" != "x" -a "x$MANS" != "xno"])
343
344 # check for offline man-pages stylesheet
345 AC_MSG_CHECKING([for docbook manpages stylesheet])
346 MANPAGES_STYLESHEET="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
347 AC_PATH_PROGS_FEATURE_CHECK([XSLTPROC_TMP], [xsltproc],
348                             AS_IF([`"$ac_path_XSLTPROC_TMP" --nonet "$MANPAGES_STYLESHEET" > /dev/null 2>&1`],
349                                   [HAVE_MANPAGES_STYLESHEET=yes]))
350 if test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"; then
351         AC_SUBST(MANPAGES_STYLESHEET)
352         AC_MSG_RESULT([yes])
353 else
354         AC_MSG_RESULT([no])
355 fi
356 AM_CONDITIONAL([HAVE_MANPAGES_STYLESHEET], [test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"])
357
358 PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
359 if test "x$have_valgrind" = "xyes"; then
360         AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
361 fi
362
363 AC_ARG_WITH([kernel-source],
364             [AS_HELP_STRING([--with-kernel-source],
365               [specify path to linux kernel source])],
366             [kernel_source="$with_kernel_source"])
367 AC_SUBST(kernel_source)
368
369 dnl Add flags for gcc and g++
370 if test "x$GCC" = xyes; then
371     # Enable -fvisibility=hidden if using a gcc that supports it
372     save_CFLAGS="$CFLAGS"
373     AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
374     VISIBILITY_CFLAGS="-fvisibility=hidden"
375     CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
376     AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
377                    [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
378
379     # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
380     CFLAGS=$save_CFLAGS
381
382     if test "x$VISIBILITY_CFLAGS" != x; then
383         AC_DEFINE(HAVE_VISIBILITY, 1, [Compiler has -fvisibility support])
384     fi
385
386     AC_SUBST([VISIBILITY_CFLAGS])
387 fi
388
389 AC_SUBST(WARN_CFLAGS)
390 AC_CONFIG_FILES([
391         Makefile
392         libkms/Makefile
393         libkms/libkms.pc
394         intel/Makefile
395         intel/libdrm_intel.pc
396         radeon/Makefile
397         radeon/libdrm_radeon.pc
398         nouveau/Makefile
399         nouveau/libdrm_nouveau.pc
400         omap/Makefile
401         omap/libdrm_omap.pc
402         exynos/Makefile
403         exynos/libdrm_exynos.pc
404         freedreno/Makefile
405         freedreno/libdrm_freedreno.pc
406         tests/Makefile
407         tests/modeprint/Makefile
408         tests/modetest/Makefile
409         tests/kmstest/Makefile
410         tests/radeon/Makefile
411         tests/vbltest/Makefile
412         tests/exynos/Makefile
413         man/Makefile
414         libdrm.pc])
415 AC_OUTPUT
416
417 echo ""
418 echo "$PACKAGE_STRING will be compiled with:"
419 echo ""
420 echo "  libkms         $LIBKMS"
421 echo "  Intel API      $INTEL"
422 echo "  vmwgfx API     $VMWGFX"
423 echo "  Radeon API     $RADEON"
424 echo "  Nouveau API    $NOUVEAU"
425 echo "  OMAP API       $OMAP"
426 echo "  EXYNOS API     $EXYNOS"
427 echo "  Freedreno API  $FREEDRENO"
428 echo ""