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 [2.4.26],
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 dnl Use lots of warning flags with with gcc and compatible compilers
119 dnl Note: if you change the following variable, the cache is automatically
120 dnl skipped and all flags rechecked. So there's no need to do anything
121 dnl else. If for any reason you need to force a recheck, just change
122 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
124 MAYBE_WARN="-Wall -Wextra \
125 -Wsign-compare -Werror-implicit-function-declaration \
126 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
127 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
128 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
129 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
130 -Wdeclaration-after-statement -Wold-style-definition \
131 -Wno-missing-field-initializers -Wno-unused-parameter \
132 -Wno-attributes -Wno-long-long -Winline"
134 # invalidate cached value if MAYBE_WARN has changed
135 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
136 unset libdrm_cv_warn_cflags
137 fi
138 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
139 echo
140 WARN_CFLAGS=""
142 # Some warning options are not supported by all versions of
143 # gcc, so test all desired options against the current
144 # compiler.
145 #
146 # Note that there are some order dependencies
147 # here. Specifically, an option that disables a warning will
148 # have no net effect if a later option then enables that
149 # warnings, (perhaps implicitly). So we put some grouped
150 # options (-Wall and -Wextra) up front and the -Wno options
151 # last.
153 for W in $MAYBE_WARN; do
154 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
155 done
157 libdrm_cv_warn_cflags=$WARN_CFLAGS
158 libdrm_cv_warn_maybe=$MAYBE_WARN
160 AC_MSG_CHECKING([which warning flags were supported])])
161 WARN_CFLAGS="$libdrm_cv_warn_cflags"
163 if test "x$UDEV" = xyes; then
164 AC_DEFINE(UDEV, 1, [Have UDEV support])
165 fi
167 AC_CANONICAL_HOST
168 if test "x$LIBKMS" = xauto ; then
169 case $host_os in
170 linux*) LIBKMS="yes" ;;
171 *) LIBKMS="no" ;;
172 esac
173 fi
175 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
177 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
178 if test "x$VMWGFX" = xyes; then
179 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
180 fi
182 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
183 if test "x$NOUVEAU" = xyes; then
184 AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
185 fi
187 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
188 if test "x$HAVE_CAIRO" = xyes; then
189 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
190 fi
191 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
193 # For enumerating devices in test case
194 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
195 if test "x$HAVE_LIBUDEV" = xyes; then
196 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
197 fi
198 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
200 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
201 # Check for atomic intrinsics
202 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
203 [
204 drm_cv_atomic_primitives="none"
206 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
207 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
208 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
209 ]],[[]])],
210 [drm_cv_atomic_primitives="Intel"],[])
212 if test "x$drm_cv_atomic_primitives" = "xnone"; then
213 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
214 fi
216 # atomic functions defined in <atomic.h> & libc on Solaris
217 if test "x$drm_cv_atomic_primitives" = "xnone"; then
218 AC_CHECK_FUNC([atomic_cas_uint],
219 drm_cv_atomic_primitives="Solaris")
220 fi
222 ])
223 if test "x$drm_cv_atomic_primitives" = xIntel; then
224 AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
225 [Enable if your compiler supports the Intel __sync_* atomic primitives])
226 fi
227 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
228 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
229 fi
231 if test "x$drm_cv_atomic_primitives" = "xnone"; then
232 if test "x$INTEL" != "xauto"; then
233 if test "x$INTEL" != "xno"; then
234 AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
235 fi
236 else
237 AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
238 INTEL=no
239 fi
240 if test "x$RADEON" != "xauto"; then
241 if test "x$RADEON" != "xno"; then
242 AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
243 fi
244 else
245 AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
246 RADEON=no
247 fi
249 else
250 if test "x$INTEL" != "xno"; then
251 INTEL=yes
252 fi
253 if test "x$RADEON" != "xno"; then
254 RADEON=yes
255 fi
256 fi
257 fi
259 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
260 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
261 if test "x$RADEON" = xyes; then
262 AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
263 fi
265 AC_ARG_WITH([kernel-source],
266 [AS_HELP_STRING([--with-kernel-source],
267 [specify path to linux kernel source])],
268 [kernel_source="$with_kernel_source"])
269 AC_SUBST(kernel_source)
271 AC_SUBST(WARN_CFLAGS)
272 AC_CONFIG_FILES([
273 Makefile
274 libkms/Makefile
275 libkms/libkms.pc
276 intel/Makefile
277 intel/libdrm_intel.pc
278 radeon/Makefile
279 radeon/libdrm_radeon.pc
280 nouveau/Makefile
281 nouveau/libdrm_nouveau.pc
282 tests/Makefile
283 tests/modeprint/Makefile
284 tests/modetest/Makefile
285 tests/kmstest/Makefile
286 tests/vbltest/Makefile
287 include/Makefile
288 include/drm/Makefile
289 libdrm.pc])
290 AC_OUTPUT
292 echo ""
293 echo "$PACKAGE_STRING will be compiled with:"
294 echo ""
295 echo " libkms $LIBKMS"
296 echo " Intel API $INTEL"
297 echo " vmwgfx API $VMWGFX"
298 echo " Radeon API $RADEON"
299 echo " Nouveau API $NOUVEAU"
300 echo ""