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.
21 AC_PREREQ([2.63])
22 AC_INIT([libdrm],
23 [2.4.39],
24 [https://bugs.freedesktop.org/enter_bug.cgi?product=DRI],
25 [libdrm])
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])
32 AM_INIT_AUTOMAKE([1.10 foreign dist-bzip2])
33 AM_MAINTAINER_MODE([enable])
35 # Enable quiet compiles on automake 1.11.
36 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
38 # Check for programs
39 AC_PROG_CC
41 AC_USE_SYSTEM_EXTENSIONS
42 AC_SYS_LARGEFILE
43 AC_FUNC_ALLOCA
45 # Initialize libtool
46 LT_PREREQ([2.2])
47 LT_INIT([disable-static])
50 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
51 AC_SUBST(PTHREADSTUBS_CFLAGS)
52 AC_SUBST(PTHREADSTUBS_LIBS)
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])
61 AC_ARG_ENABLE(libkms,
62 AS_HELP_STRING([--disable-libkms],
63 [Disable KMS mm abstraction library (default: auto)]),
64 [LIBKMS=$enableval], [LIBKMS=auto])
66 AC_ARG_ENABLE(intel,
67 AS_HELP_STRING([--disable-intel],
68 [Enable support for intel's KMS API (default: auto)]),
69 [INTEL=$enableval], [INTEL=auto])
71 AC_ARG_ENABLE(radeon,
72 AS_HELP_STRING([--disable-radeon],
73 [Enable support for radeon's KMS API (default: auto)]),
74 [RADEON=$enableval], [RADEON=auto])
76 AC_ARG_ENABLE(nouveau,
77 AS_HELP_STRING([--disable-nouveau],
78 [Enable support for nouveau's KMS API (default: auto)]),
79 [NOUVEAU=$enableval], [NOUVEAU=auto])
81 AC_ARG_ENABLE(vmwgfx,
82 AS_HELP_STRING([--disable-vmwgfx],
83 [Enable support for vmwgfx's KMS API (default: yes)]),
84 [VMWGFX=$enableval], [VMWGFX=yes])
86 AC_ARG_ENABLE(omap-experimental-api,
87 AS_HELP_STRING([--enable-omap-experimental-api],
88 [Enable support for OMAP's experimental API (default: disabled)]),
89 [OMAP=$enableval], [OMAP=no])
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])
96 dnl ===========================================================================
97 dnl check compiler flags
98 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
99 AC_MSG_CHECKING([whether $CC supports $1])
101 libdrm_save_CFLAGS="$CFLAGS"
102 CFLAGS="$CFLAGS $1"
104 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
105 CFLAGS="$libdrm_save_CFLAGS"
107 if test "x$libdrm_cc_flag" = "xyes"; then
108 ifelse([$2], , :, [$2])
109 else
110 ifelse([$3], , :, [$3])
111 fi
112 AC_MSG_RESULT([$libdrm_cc_flag])
113 ])
115 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
117 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
118 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
119 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
120 AC_SUBST([CLOCK_LIB])
122 AC_CHECK_FUNCS([open_memstream], [HAVE_OPEN_MEMSTREAM=yes])
124 dnl Use lots of warning flags with with gcc and compatible compilers
126 dnl Note: if you change the following variable, the cache is automatically
127 dnl skipped and all flags rechecked. So there's no need to do anything
128 dnl else. If for any reason you need to force a recheck, just change
129 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
131 MAYBE_WARN="-Wall -Wextra \
132 -Wsign-compare -Werror-implicit-function-declaration \
133 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
134 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
135 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
136 -Wstrict-aliasing=2 -Winit-self \
137 -Wdeclaration-after-statement -Wold-style-definition \
138 -Wno-missing-field-initializers -Wno-unused-parameter \
139 -Wno-attributes -Wno-long-long -Winline"
141 # invalidate cached value if MAYBE_WARN has changed
142 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
143 unset libdrm_cv_warn_cflags
144 fi
145 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
146 echo
147 WARN_CFLAGS=""
149 # Some warning options are not supported by all versions of
150 # gcc, so test all desired options against the current
151 # compiler.
152 #
153 # Note that there are some order dependencies
154 # here. Specifically, an option that disables a warning will
155 # have no net effect if a later option then enables that
156 # warnings, (perhaps implicitly). So we put some grouped
157 # options (-Wall and -Wextra) up front and the -Wno options
158 # last.
160 for W in $MAYBE_WARN; do
161 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
162 done
164 libdrm_cv_warn_cflags=$WARN_CFLAGS
165 libdrm_cv_warn_maybe=$MAYBE_WARN
167 AC_MSG_CHECKING([which warning flags were supported])])
168 WARN_CFLAGS="$libdrm_cv_warn_cflags"
170 if test "x$UDEV" = xyes; then
171 AC_DEFINE(UDEV, 1, [Have UDEV support])
172 fi
174 AC_CANONICAL_HOST
175 if test "x$LIBKMS" = xauto ; then
176 case $host_os in
177 linux*) LIBKMS="yes" ;;
178 *) LIBKMS="no" ;;
179 esac
180 fi
182 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
184 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
185 if test "x$VMWGFX" = xyes; then
186 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
187 fi
189 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
190 if test "x$NOUVEAU" = xyes; then
191 AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
192 fi
194 AM_CONDITIONAL(HAVE_OMAP, [test "x$OMAP" = xyes])
195 if test "x$OMAP" = xyes; then
196 AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
197 fi
199 AM_CONDITIONAL(HAVE_EXYNOS, [test "x$EXYNOS" = xyes])
200 if test "x$EXYNOS" = xyes; then
201 AC_DEFINE(HAVE_EXYNOS, 1, [Have EXYNOS support])
202 fi
204 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
205 if test "x$HAVE_CAIRO" = xyes; then
206 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
207 fi
208 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
210 # For enumerating devices in test case
211 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
212 if test "x$HAVE_LIBUDEV" = xyes; then
213 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
214 fi
215 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
217 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno" -o "x$NOUVEAU" != "xno" -o "x$OMAP" != "xno"; then
218 # Check for atomic intrinsics
219 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
220 [
221 drm_cv_atomic_primitives="none"
223 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
224 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
225 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
226 ]],[[]])],
227 [drm_cv_atomic_primitives="Intel"],[])
229 if test "x$drm_cv_atomic_primitives" = "xnone"; then
230 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
231 fi
233 # atomic functions defined in <atomic.h> & libc on Solaris
234 if test "x$drm_cv_atomic_primitives" = "xnone"; then
235 AC_CHECK_FUNC([atomic_cas_uint],
236 drm_cv_atomic_primitives="Solaris")
237 fi
239 ])
240 if test "x$drm_cv_atomic_primitives" = xIntel; then
241 AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
242 [Enable if your compiler supports the Intel __sync_* atomic primitives])
243 fi
244 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
245 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
246 fi
248 if test "x$drm_cv_atomic_primitives" = "xnone"; then
249 if test "x$INTEL" != "xauto"; then
250 if test "x$INTEL" != "xno"; then
251 AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
252 fi
253 else
254 AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
255 INTEL=no
256 fi
257 if test "x$RADEON" != "xauto"; then
258 if test "x$RADEON" != "xno"; then
259 AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
260 fi
261 else
262 AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
263 RADEON=no
264 fi
265 if test "x$NOUVEAU" != "xauto"; then
266 if test "x$NOUVEAU" != "xno"; then
267 AC_MSG_ERROR([libdrm_nouveau depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for NVIDIA GPUs by passing --disable-nouveau to ./configure])
268 fi
269 else
270 AC_MSG_WARN([Disabling libdrm_nouveau. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
271 NOUVEAU=no
272 fi
273 else
274 if test "x$INTEL" != "xno"; then
275 case $host_cpu in
276 i?86|x86_64) INTEL=yes ;;
277 *) INTEL=no ;;
278 esac
279 fi
280 if test "x$RADEON" != "xno"; then
281 RADEON=yes
282 fi
283 if test "x$NOUVEAU" != "xno"; then
284 NOUVEAU=yes
285 fi
286 fi
287 fi
289 if test "x$INTEL" != "xno"; then
290 PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
291 fi
292 AC_SUBST(PCIACCESS_CFLAGS)
293 AC_SUBST(PCIACCESS_LIBS)
295 PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
296 if test "x$have_valgrind" = "xyes"; then
297 AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
298 fi
300 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
301 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
302 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" != "xno"])
303 if test "x$RADEON" = xyes; then
304 AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
305 fi
307 AC_ARG_WITH([kernel-source],
308 [AS_HELP_STRING([--with-kernel-source],
309 [specify path to linux kernel source])],
310 [kernel_source="$with_kernel_source"])
311 AC_SUBST(kernel_source)
313 AC_SUBST(WARN_CFLAGS)
314 AC_CONFIG_FILES([
315 Makefile
316 libkms/Makefile
317 libkms/libkms.pc
318 intel/Makefile
319 intel/libdrm_intel.pc
320 radeon/Makefile
321 radeon/libdrm_radeon.pc
322 nouveau/Makefile
323 nouveau/libdrm_nouveau.pc
324 omap/Makefile
325 omap/libdrm_omap.pc
326 exynos/Makefile
327 exynos/libdrm_exynos.pc
328 tests/Makefile
329 tests/modeprint/Makefile
330 tests/modetest/Makefile
331 tests/kmstest/Makefile
332 tests/radeon/Makefile
333 tests/vbltest/Makefile
334 include/Makefile
335 include/drm/Makefile
336 libdrm.pc])
337 AC_OUTPUT
339 echo ""
340 echo "$PACKAGE_STRING will be compiled with:"
341 echo ""
342 echo " libkms $LIBKMS"
343 echo " Intel API $INTEL"
344 echo " vmwgfx API $VMWGFX"
345 echo " Radeon API $RADEON"
346 echo " Nouveau API $NOUVEAU"
347 echo " OMAP API $OMAP"
348 echo " EXYNOS API $EXYNOS"
349 echo ""