773167f5749dd71538448a5a814f86d1041322db
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 [2.4.30],
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 PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
55 AC_SUBST(PCIACCESS_CFLAGS)
56 AC_SUBST(PCIACCESS_LIBS)
58 pkgconfigdir=${libdir}/pkgconfig
59 AC_SUBST(pkgconfigdir)
60 AC_ARG_ENABLE([udev],
61 [AS_HELP_STRING([--enable-udev],
62 [Enable support for using udev instead of mknod (default: disabled)])],
63 [UDEV=$enableval], [UDEV=no])
65 AC_ARG_ENABLE(libkms,
66 AS_HELP_STRING([--disable-libkms],
67 [Disable KMS mm abstraction library (default: auto)]),
68 [LIBKMS=$enableval], [LIBKMS=auto])
70 AC_ARG_ENABLE(intel,
71 AS_HELP_STRING([--disable-intel],
72 [Enable support for intel's KMS API (default: auto)]),
73 [INTEL=$enableval], [INTEL=auto])
75 AC_ARG_ENABLE(radeon,
76 AS_HELP_STRING([--disable-radeon],
77 [Enable support for radeon's KMS API (default: auto)]),
78 [RADEON=$enableval], [RADEON=auto])
80 AC_ARG_ENABLE(vmwgfx-experimental-api,
81 AS_HELP_STRING([--enable-vmwgfx-experimental-api],
82 [Install vmwgfx's experimental kernel API header (default: disabled)]),
83 [VMWGFX=$enableval], [VMWGFX=no])
85 AC_ARG_ENABLE(nouveau-experimental-api,
86 AS_HELP_STRING([--enable-nouveau-experimental-api],
87 [Enable support for nouveau's experimental API (default: disabled)]),
88 [NOUVEAU=$enableval], [NOUVEAU=no])
91 dnl ===========================================================================
92 dnl check compiler flags
93 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
94 AC_MSG_CHECKING([whether $CC supports $1])
96 libdrm_save_CFLAGS="$CFLAGS"
97 CFLAGS="$CFLAGS $1"
99 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
100 CFLAGS="$libdrm_save_CFLAGS"
102 if test "x$libdrm_cc_flag" = "xyes"; then
103 ifelse([$2], , :, [$2])
104 else
105 ifelse([$3], , :, [$3])
106 fi
107 AC_MSG_RESULT([$libdrm_cc_flag])
108 ])
110 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
112 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
113 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
114 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
115 AC_SUBST([CLOCK_LIB])
117 AC_CHECK_FUNCS([open_memstream], [HAVE_OPEN_MEMSTREAM=yes])
119 dnl Use lots of warning flags with with gcc and compatible compilers
121 dnl Note: if you change the following variable, the cache is automatically
122 dnl skipped and all flags rechecked. So there's no need to do anything
123 dnl else. If for any reason you need to force a recheck, just change
124 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
126 MAYBE_WARN="-Wall -Wextra \
127 -Wsign-compare -Werror-implicit-function-declaration \
128 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
129 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
130 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
131 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
132 -Wdeclaration-after-statement -Wold-style-definition \
133 -Wno-missing-field-initializers -Wno-unused-parameter \
134 -Wno-attributes -Wno-long-long -Winline"
136 # invalidate cached value if MAYBE_WARN has changed
137 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
138 unset libdrm_cv_warn_cflags
139 fi
140 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
141 echo
142 WARN_CFLAGS=""
144 # Some warning options are not supported by all versions of
145 # gcc, so test all desired options against the current
146 # compiler.
147 #
148 # Note that there are some order dependencies
149 # here. Specifically, an option that disables a warning will
150 # have no net effect if a later option then enables that
151 # warnings, (perhaps implicitly). So we put some grouped
152 # options (-Wall and -Wextra) up front and the -Wno options
153 # last.
155 for W in $MAYBE_WARN; do
156 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
157 done
159 libdrm_cv_warn_cflags=$WARN_CFLAGS
160 libdrm_cv_warn_maybe=$MAYBE_WARN
162 AC_MSG_CHECKING([which warning flags were supported])])
163 WARN_CFLAGS="$libdrm_cv_warn_cflags"
165 if test "x$UDEV" = xyes; then
166 AC_DEFINE(UDEV, 1, [Have UDEV support])
167 fi
169 AC_CANONICAL_HOST
170 if test "x$LIBKMS" = xauto ; then
171 case $host_os in
172 linux*) LIBKMS="yes" ;;
173 *) LIBKMS="no" ;;
174 esac
175 fi
177 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
179 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
180 if test "x$VMWGFX" = xyes; then
181 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
182 fi
184 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
185 if test "x$NOUVEAU" = xyes; then
186 AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
187 fi
189 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
190 if test "x$HAVE_CAIRO" = xyes; then
191 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
192 fi
193 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
195 # For enumerating devices in test case
196 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
197 if test "x$HAVE_LIBUDEV" = xyes; then
198 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
199 fi
200 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
202 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
203 # Check for atomic intrinsics
204 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
205 [
206 drm_cv_atomic_primitives="none"
208 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
209 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
210 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
211 ]],[[]])],
212 [drm_cv_atomic_primitives="Intel"],[])
214 if test "x$drm_cv_atomic_primitives" = "xnone"; then
215 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
216 fi
218 # atomic functions defined in <atomic.h> & libc on Solaris
219 if test "x$drm_cv_atomic_primitives" = "xnone"; then
220 AC_CHECK_FUNC([atomic_cas_uint],
221 drm_cv_atomic_primitives="Solaris")
222 fi
224 ])
225 if test "x$drm_cv_atomic_primitives" = xIntel; then
226 AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
227 [Enable if your compiler supports the Intel __sync_* atomic primitives])
228 fi
229 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
230 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
231 fi
233 if test "x$drm_cv_atomic_primitives" = "xnone"; then
234 if test "x$INTEL" != "xauto"; then
235 if test "x$INTEL" != "xno"; then
236 AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
237 fi
238 else
239 AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
240 INTEL=no
241 fi
242 if test "x$RADEON" != "xauto"; then
243 if test "x$RADEON" != "xno"; then
244 AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
245 fi
246 else
247 AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
248 RADEON=no
249 fi
251 else
252 if test "x$INTEL" != "xno"; then
253 INTEL=yes
254 fi
255 if test "x$RADEON" != "xno"; then
256 RADEON=yes
257 fi
258 fi
259 fi
261 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
262 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
263 if test "x$RADEON" = xyes; then
264 AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
265 fi
267 AC_ARG_WITH([kernel-source],
268 [AS_HELP_STRING([--with-kernel-source],
269 [specify path to linux kernel source])],
270 [kernel_source="$with_kernel_source"])
271 AC_SUBST(kernel_source)
273 AC_SUBST(WARN_CFLAGS)
274 AC_CONFIG_FILES([
275 Makefile
276 libkms/Makefile
277 libkms/libkms.pc
278 intel/Makefile
279 intel/libdrm_intel.pc
280 radeon/Makefile
281 radeon/libdrm_radeon.pc
282 nouveau/Makefile
283 nouveau/libdrm_nouveau.pc
284 tests/Makefile
285 tests/modeprint/Makefile
286 tests/modetest/Makefile
287 tests/kmstest/Makefile
288 tests/radeon/Makefile
289 tests/vbltest/Makefile
290 include/Makefile
291 include/drm/Makefile
292 libdrm.pc])
293 AC_OUTPUT
295 echo ""
296 echo "$PACKAGE_STRING will be compiled with:"
297 echo ""
298 echo " libkms $LIBKMS"
299 echo " Intel API $INTEL"
300 echo " vmwgfx API $VMWGFX"
301 echo " Radeon API $RADEON"
302 echo " Nouveau API $NOUVEAU"
303 echo ""