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automake: drop the NULL variable from the makefile
[android-x86/external-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         [2.4.59],
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, enabled on x86]),
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=$enableval], [EXYNOS=no])
95
96 AC_ARG_ENABLE(freedreno,
97               AS_HELP_STRING([--disable-freedreno],
98               [Enable support for freedreno's KMS API (default: auto, enabled on arm)]),
99               [FREEDRENO=$enableval], [FREEDRENO=auto])
100
101 AC_ARG_ENABLE(freedreno-kgsl,
102               AS_HELP_STRING([--enable-freedreno-kgsl],
103               [Enable support for freedreno's to use downstream android kernel API (default: disabled)]),
104               [FREEDRENO_KGSL=$enableval], [FREEDRENO_KGSL=no])
105
106 AC_ARG_ENABLE(tegra-experimental-api,
107               AS_HELP_STRING([--enable-tegra-experimental-api],
108               [Enable support for Tegra's experimental API (default: disabled)]),
109               [TEGRA=$enableval], [TEGRA=no])
110
111 AC_ARG_ENABLE(install-test-programs,
112                   AS_HELP_STRING([--enable-install-test-programs],
113                   [Install test programs (default: no)]),
114                   [INSTALL_TESTS=$enableval], [INSTALL_TESTS=no])
115
116 dnl ===========================================================================
117 dnl check compiler flags
118 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
119   AC_MSG_CHECKING([whether $CC supports $1])
120
121   libdrm_save_CFLAGS="$CFLAGS"
122   CFLAGS="$CFLAGS $1"
123
124   AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
125   CFLAGS="$libdrm_save_CFLAGS"
126
127   if test "x$libdrm_cc_flag" = "xyes"; then
128     ifelse([$2], , :, [$2])
129   else
130     ifelse([$3], , :, [$3])
131   fi
132   AC_MSG_RESULT([$libdrm_cc_flag])
133 ])
134
135 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
136
137 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
138                [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
139                              [AC_MSG_ERROR([Couldn't find clock_gettime])])])
140 AC_SUBST([CLOCK_LIB])
141
142 AC_CHECK_FUNCS([open_memstream], [HAVE_OPEN_MEMSTREAM=yes])
143
144 dnl Use lots of warning flags with with gcc and compatible compilers
145
146 dnl Note: if you change the following variable, the cache is automatically
147 dnl skipped and all flags rechecked.  So there's no need to do anything
148 dnl else.  If for any reason you need to force a recheck, just change
149 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
150
151 MAYBE_WARN="-Wall -Wextra \
152 -Wsign-compare -Werror-implicit-function-declaration \
153 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
154 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
155 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
156 -Wstrict-aliasing=2 -Winit-self \
157 -Wdeclaration-after-statement -Wold-style-definition \
158 -Wno-missing-field-initializers -Wno-unused-parameter \
159 -Wno-attributes -Wno-long-long -Winline"
160
161 # invalidate cached value if MAYBE_WARN has changed
162 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
163         unset libdrm_cv_warn_cflags
164 fi
165 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
166         echo
167         WARN_CFLAGS=""
168
169         # Some warning options are not supported by all versions of
170         # gcc, so test all desired options against the current
171         # compiler.
172         #
173         # Note that there are some order dependencies
174         # here. Specifically, an option that disables a warning will
175         # have no net effect if a later option then enables that
176         # warnings, (perhaps implicitly). So we put some grouped
177         # options (-Wall and -Wextra) up front and the -Wno options
178         # last.
179
180         for W in $MAYBE_WARN; do
181                 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
182         done
183
184         libdrm_cv_warn_cflags=$WARN_CFLAGS
185         libdrm_cv_warn_maybe=$MAYBE_WARN
186
187         AC_MSG_CHECKING([which warning flags were supported])])
188 WARN_CFLAGS="$libdrm_cv_warn_cflags"
189
190 # Check for atomic intrinsics
191 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives, [
192         drm_cv_atomic_primitives="none"
193
194         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
195         int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
196         int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
197                                           ]],[[]])], [drm_cv_atomic_primitives="Intel"],[])
198
199         if test "x$drm_cv_atomic_primitives" = "xnone"; then
200                 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
201         fi
202
203         # atomic functions defined in <atomic.h> & libc on Solaris
204         if test "x$drm_cv_atomic_primitives" = "xnone"; then
205                 AC_CHECK_FUNC([atomic_cas_uint], drm_cv_atomic_primitives="Solaris")
206         fi
207 ])
208
209 if test "x$drm_cv_atomic_primitives" = xIntel; then
210         AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
211                 [Enable if your compiler supports the Intel __sync_* atomic primitives])
212 fi
213 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
214         AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
215 fi
216
217 if test "x$INTEL" != "xno" -o \
218         "x$RADEON" != "xno" -o \
219         "x$NOUVEAU" != "xno" -o \
220         "x$OMAP" != "xno" -o \
221         "x$FREEDRENO" != "xno" -o \
222         "x$TEGRA" != "xno"; then
223         if test "x$drm_cv_atomic_primitives" = "xnone"; then
224                 if test "x$INTEL" != "xauto"; then
225                         if test "x$INTEL" != "xno"; then
226                                 AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
227                         fi
228                 else
229                         AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
230                         INTEL=no
231                 fi
232                 if test "x$RADEON" != "xauto"; then
233                         if test "x$RADEON" != "xno"; then
234                                 AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon GPUs by passing --disable-radeon to ./configure])
235                         fi
236                 else
237                         AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
238                         RADEON=no
239                 fi
240                 if test "x$NOUVEAU" != "xauto"; then
241                         if test "x$NOUVEAU" != "xno"; then
242                                 AC_MSG_ERROR([libdrm_nouveau depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for NVIDIA GPUs by passing --disable-nouveau to ./configure])
243                         fi
244                 else
245                         AC_MSG_WARN([Disabling libdrm_nouveau. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
246                         NOUVEAU=no
247                 fi
248                 if test "x$OMAP" != "xauto"; then
249                         AC_MSG_ERROR([libdrm_omap 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 OMAP GPUs by passing --disable-omap-experimental-api to ./configure])
250                 fi
251                 if test "x$FREEDRENO" != "xauto"; then
252                         AC_MSG_ERROR([libdrm_freedreno depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for QCOM's Adreno GPUs by passing --disable-freedreno to ./configure])
253                 fi
254                 if test "x$TEGRA" != "xauto"; then
255                         AC_MSG_ERROR([libdrm_tegra 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's Tegra GPUs by passing --disable-tegra-experimental-api to ./configure])
256                 fi
257         else
258                 if test "x$INTEL" != "xno"; then
259                         case $host_cpu in
260                                 i?86|x86_64) INTEL=yes ;;
261                                 *) INTEL=no ;;
262                         esac
263                 fi
264                 if test "x$RADEON" != "xno"; then
265                         RADEON=yes
266                 fi
267                 if test "x$NOUVEAU" != "xno"; then
268                         NOUVEAU=yes
269                 fi
270                 if test "x$FREEDRENO" != "xno"; then
271                         case $host_cpu in
272                                 arm*|aarch64)   FREEDRENO=yes ;;
273                                 *)              FREEDRENO=no ;;
274                         esac
275                 fi
276         fi
277 fi
278
279 if test "x$INTEL" != "xno"; then
280         PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
281 fi
282 AC_SUBST(PCIACCESS_CFLAGS)
283 AC_SUBST(PCIACCESS_LIBS)
284
285 if test "x$UDEV" = xyes; then
286         AC_DEFINE(UDEV, 1, [Have UDEV support])
287 fi
288
289 AC_CANONICAL_HOST
290 if test "x$LIBKMS" = xauto ; then
291         case $host_os in
292                 linux*)         LIBKMS="yes" ;;
293                 freebsd* | kfreebsd*-gnu)
294                                 LIBKMS="yes" ;;
295                 dragonfly*)     LIBKMS="yes" ;;
296                 *)              LIBKMS="no" ;;
297         esac
298 fi
299
300 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
301
302 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" = xyes])
303 if test "x$INTEL" = xyes; then
304         AC_DEFINE(HAVE_INTEL, 1, [Have intel support])
305 fi
306
307 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
308 if test "x$VMWGFX" = xyes; then
309         AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
310 fi
311
312 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
313 if test "x$NOUVEAU" = xyes; then
314         AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
315 fi
316
317 AM_CONDITIONAL(HAVE_OMAP, [test "x$OMAP" = xyes])
318 if test "x$OMAP" = xyes; then
319         AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
320 fi
321
322 AM_CONDITIONAL(HAVE_EXYNOS, [test "x$EXYNOS" = xyes])
323 if test "x$EXYNOS" = xyes; then
324         AC_DEFINE(HAVE_EXYNOS, 1, [Have EXYNOS support])
325 fi
326
327 AM_CONDITIONAL(HAVE_FREEDRENO, [test "x$FREEDRENO" = xyes])
328 if test "x$FREEDRENO" = xyes; then
329         AC_DEFINE(HAVE_FREEDRENO, 1, [Have freedreno support])
330 fi
331
332 AM_CONDITIONAL(HAVE_FREEDRENO_KGSL, [test "x$FREEDRENO_KGSL" = xyes])
333 if test "x$FREEDRENO_KGSL" = xyes; then
334         AC_DEFINE(HAVE_FREEDRENO_KGSL, 1, [Have freedreno support for KGSL kernel interface])
335 fi
336
337 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
338 if test "x$RADEON" = xyes; then
339         AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
340 fi
341
342 AM_CONDITIONAL(HAVE_TEGRA, [test "x$TEGRA" = xyes])
343 if test "x$TEGRA" = xyes; then
344         AC_DEFINE(HAVE_TEGRA, 1, [Have Tegra support])
345 fi
346
347 AM_CONDITIONAL(HAVE_INSTALL_TESTS, [test "x$INSTALL_TESTS" = xyes])
348 if test "x$INSTALL_TESTS" = xyes; then
349         AC_DEFINE(HAVE_INSTALL_TESTS, 1, [Install test programs])
350 fi
351
352 AC_ARG_ENABLE([cairo-tests],
353               [AS_HELP_STRING([--enable-cairo-tests],
354                               [Enable support for Cairo rendering in tests (default: auto)])],
355               [CAIRO=$enableval], [CAIRO=auto])
356 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
357 AC_MSG_CHECKING([whether to enable Cairo tests])
358 if test "x$CAIRO" = xauto; then
359         CAIRO="$HAVE_CAIRO"
360 fi
361 if test "x$CAIRO" = xyes; then
362         if ! test "x$HAVE_CAIRO" = xyes; then
363                 AC_MSG_ERROR([Cairo support required but not present])
364         fi
365         AC_DEFINE(HAVE_CAIRO, 1, [Have Cairo support])
366 fi
367 AC_MSG_RESULT([$CAIRO])
368 AM_CONDITIONAL(HAVE_CAIRO, [test "x$CAIRO" = xyes])
369
370 # For enumerating devices in test case
371 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
372 if test "x$HAVE_LIBUDEV" = xyes; then
373         AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
374 fi
375 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
376
377 # xsltproc for docbook manpages
378 AC_ARG_ENABLE([manpages],
379               AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
380               [MANS=$enableval], [MANS=auto])
381 AC_PATH_PROG(XSLTPROC, xsltproc)
382 AM_CONDITIONAL([BUILD_MANPAGES], [test "x$XSLTPROC" != "x" -a "x$MANS" != "xno"])
383
384 # check for offline man-pages stylesheet
385 AC_MSG_CHECKING([for docbook manpages stylesheet])
386 MANPAGES_STYLESHEET="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
387 AC_PATH_PROGS_FEATURE_CHECK([XSLTPROC_TMP], [xsltproc],
388                             AS_IF([`"$ac_path_XSLTPROC_TMP" --nonet "$MANPAGES_STYLESHEET" > /dev/null 2>&1`],
389                                   [HAVE_MANPAGES_STYLESHEET=yes]))
390 if test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"; then
391         AC_SUBST(MANPAGES_STYLESHEET)
392         AC_MSG_RESULT([yes])
393 else
394         AC_MSG_RESULT([no])
395 fi
396 AM_CONDITIONAL([HAVE_MANPAGES_STYLESHEET], [test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"])
397
398 PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
399 if test "x$have_valgrind" = "xyes"; then
400         AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
401 fi
402
403 AC_ARG_WITH([kernel-source],
404             [AS_HELP_STRING([--with-kernel-source],
405               [specify path to linux kernel source])],
406             [kernel_source="$with_kernel_source"])
407 AC_SUBST(kernel_source)
408
409 dnl Add flags for gcc and g++
410 if test "x$GCC" = xyes; then
411     # Enable -fvisibility=hidden if using a gcc that supports it
412     save_CFLAGS="$CFLAGS"
413     AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
414     VISIBILITY_CFLAGS="-fvisibility=hidden"
415     CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
416     AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
417                    [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
418
419     # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
420     CFLAGS=$save_CFLAGS
421
422     if test "x$VISIBILITY_CFLAGS" != x; then
423         AC_DEFINE(HAVE_VISIBILITY, 1, [Compiler has -fvisibility support])
424     fi
425
426     AC_SUBST([VISIBILITY_CFLAGS])
427 fi
428
429 AC_SUBST(WARN_CFLAGS)
430 AC_CONFIG_FILES([
431         Makefile
432         libkms/Makefile
433         libkms/libkms.pc
434         intel/Makefile
435         intel/libdrm_intel.pc
436         radeon/Makefile
437         radeon/libdrm_radeon.pc
438         nouveau/Makefile
439         nouveau/libdrm_nouveau.pc
440         omap/Makefile
441         omap/libdrm_omap.pc
442         exynos/Makefile
443         exynos/libdrm_exynos.pc
444         freedreno/Makefile
445         freedreno/libdrm_freedreno.pc
446         tegra/Makefile
447         tegra/libdrm_tegra.pc
448         tests/Makefile
449         tests/modeprint/Makefile
450         tests/modetest/Makefile
451         tests/kmstest/Makefile
452         tests/proptest/Makefile
453         tests/radeon/Makefile
454         tests/vbltest/Makefile
455         tests/exynos/Makefile
456         tests/tegra/Makefile
457         man/Makefile
458         libdrm.pc])
459 AC_OUTPUT
460
461 echo ""
462 echo "$PACKAGE_STRING will be compiled with:"
463 echo ""
464 echo "  libkms         $LIBKMS"
465 echo "  Intel API      $INTEL"
466 echo "  vmwgfx API     $VMWGFX"
467 echo "  Radeon API     $RADEON"
468 echo "  Nouveau API    $NOUVEAU"
469 echo "  OMAP API       $OMAP"
470 echo "  EXYNOS API     $EXYNOS"
471 echo "  Freedreno API  $FREEDRENO (kgsl: $FREEDRENO_KGSL)"
472 echo "  Tegra API      $TEGRA"
473 echo ""