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(2.60)
22 AC_INIT([libdrm], 2.4.21, [dri-devel@lists.sourceforge.net], libdrm)
23 AC_USE_SYSTEM_EXTENSIONS
24 AC_CONFIG_SRCDIR([Makefile.am])
25 AM_INIT_AUTOMAKE([dist-bzip2])
27 AM_CONFIG_HEADER([config.h])
29 AC_DISABLE_STATIC
30 AC_PROG_LIBTOOL
31 AC_PROG_CC
33 AC_HEADER_STDC
34 AC_SYS_LARGEFILE
35 AC_FUNC_ALLOCA
37 # Enable quiet compiles on automake 1.11.
38 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
40 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
41 AC_SUBST(PTHREADSTUBS_CFLAGS)
42 AC_SUBST(PTHREADSTUBS_LIBS)
44 pkgconfigdir=${libdir}/pkgconfig
45 AC_SUBST(pkgconfigdir)
46 AC_ARG_ENABLE(udev, AS_HELP_STRING([--enable-udev],
47 [Enable support for using udev instead of mknod (default: disabled)]),
48 [UDEV=$enableval], [UDEV=no])
50 AC_ARG_ENABLE(libkms,
51 AS_HELP_STRING([--disable-libkms],
52 [Disable KMS mm abstraction library (default: auto)]),
53 [LIBKMS=$enableval], [LIBKMS=auto])
55 AC_ARG_ENABLE(intel,
56 AS_HELP_STRING([--disable-intel],
57 [Enable support for intel's KMS API (default: auto)]),
58 [INTEL=$enableval], [INTEL=auto])
60 AC_ARG_ENABLE(radeon,
61 AS_HELP_STRING([--disable-radeon],
62 [Enable support for radeon's KMS API (default: auto)]),
63 [RADEON=$enableval], [RADEON=auto])
65 AC_ARG_ENABLE(vmwgfx-experimental-api,
66 AS_HELP_STRING([--enable-vmwgfx-experimental-api],
67 [Install vmwgfx's experimental kernel API header (default: disabled)]),
68 [VMWGFX=$enableval], [VMWGFX=no])
70 AC_ARG_ENABLE(nouveau-experimental-api,
71 AS_HELP_STRING([--enable-nouveau-experimental-api],
72 [Enable support for nouveau's experimental API (default: disabled)]),
73 [NOUVEAU=$enableval], [NOUVEAU=no])
76 dnl ===========================================================================
77 dnl check compiler flags
78 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
79 AC_MSG_CHECKING([whether $CC supports $1])
81 libdrm_save_CFLAGS="$CFLAGS"
82 CFLAGS="$CFLAGS $1"
84 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
85 CFLAGS="$libdrm_save_CFLAGS"
87 if test "x$libdrm_cc_flag" = "xyes"; then
88 ifelse([$2], , :, [$2])
89 else
90 ifelse([$3], , :, [$3])
91 fi
92 AC_MSG_RESULT([$libdrm_cc_flag])
93 ])
95 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
97 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
98 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
99 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
100 AC_SUBST([CLOCK_LIB])
102 dnl Use lots of warning flags with with gcc and compatible compilers
104 dnl Note: if you change the following variable, the cache is automatically
105 dnl skipped and all flags rechecked. So there's no need to do anything
106 dnl else. If for any reason you need to force a recheck, just change
107 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
109 MAYBE_WARN="-Wall -Wextra \
110 -Wsign-compare -Werror-implicit-function-declaration \
111 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
112 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
113 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
114 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
115 -Wdeclaration-after-statement -Wold-style-definition \
116 -Wno-missing-field-initializers -Wno-unused-parameter \
117 -Wno-attributes -Wno-long-long -Winline"
119 # invalidate cached value if MAYBE_WARN has changed
120 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
121 unset libdrm_cv_warn_cflags
122 fi
123 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
124 echo
125 WARN_CFLAGS=""
127 # Some warning options are not supported by all versions of
128 # gcc, so test all desired options against the current
129 # compiler.
130 #
131 # Note that there are some order dependencies
132 # here. Specifically, an option that disables a warning will
133 # have no net effect if a later option then enables that
134 # warnings, (perhaps implicitly). So we put some grouped
135 # options (-Wall and -Wextra) up front and the -Wno options
136 # last.
138 for W in $MAYBE_WARN; do
139 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
140 done
142 libdrm_cv_warn_cflags=$WARN_CFLAGS
143 libdrm_cv_warn_maybe=$MAYBE_WARN
145 AC_MSG_CHECKING([which warning flags were supported])])
146 WARN_CFLAGS="$libdrm_cv_warn_cflags"
148 if test "x$UDEV" = xyes; then
149 AC_DEFINE(UDEV, 1, [Have UDEV support])
150 fi
152 AC_CANONICAL_HOST
153 if test "x$LIBKMS" = xauto ; then
154 case $host_os in
155 linux*) LIBKMS="yes" ;;
156 *) LIBKMS="no" ;;
157 esac
158 fi
160 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
162 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
163 if test "x$VMWGFX" = xyes; then
164 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
165 fi
167 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
168 if test "x$NOUVEAU" = xyes; then
169 AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
170 fi
172 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
173 if test "x$HAVE_CAIRO" = xyes; then
174 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
175 fi
176 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
178 # For enumerating devices in test case
179 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
180 if test "x$HAVE_LIBUDEV" = xyes; then
181 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
182 fi
183 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
185 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
186 # Check for atomic intrinsics
187 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
188 [
189 drm_cv_atomic_primitives="none"
191 AC_TRY_LINK([
192 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
193 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
194 ], [],
195 drm_cv_atomic_primitives="Intel"
196 )
198 if test "x$drm_cv_atomic_primitives" = "xnone"; then
199 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
200 fi
202 # atomic functions defined in <atomic.h> & libc on Solaris
203 if test "x$drm_cv_atomic_primitives" = "xnone"; then
204 AC_CHECK_FUNC([atomic_cas_uint],
205 drm_cv_atomic_primitives="Solaris")
206 fi
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
217 if test "x$drm_cv_atomic_primitives" = "xnone"; then
218 if test "x$INTEL" != "xauto"; then
219 if test "x$INTEL" != "xno"; then
220 AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
221 fi
222 else
223 AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
224 INTEL=no
225 fi
226 if test "x$RADEON" != "xauto"; then
227 if test "x$RADEON" != "xno"; then
228 AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
229 fi
230 else
231 AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
232 RADEON=no
233 fi
235 else
236 if test "x$INTEL" != "xno"; then
237 INTEL=yes
238 fi
239 if test "x$RADEON" != "xno"; then
240 RADEON=yes
241 fi
242 fi
243 fi
245 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
246 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
248 AC_ARG_WITH([kernel-source],
249 [AS_HELP_STRING([--with-kernel-source],
250 [specify path to linux kernel source])],
251 [kernel_source="$with_kernel_source"])
252 AC_SUBST(kernel_source)
254 AC_SUBST(WARN_CFLAGS)
255 AC_OUTPUT([
256 Makefile
257 libkms/Makefile
258 libkms/libkms.pc
259 intel/Makefile
260 intel/libdrm_intel.pc
261 radeon/Makefile
262 radeon/libdrm_radeon.pc
263 nouveau/Makefile
264 nouveau/libdrm_nouveau.pc
265 tests/Makefile
266 tests/modeprint/Makefile
267 tests/modetest/Makefile
268 tests/kmstest/Makefile
269 tests/vbltest/Makefile
270 include/Makefile
271 include/drm/Makefile
272 libdrm.pc])
274 echo ""
275 echo "$PACKAGE_STRING will be compiled with:"
276 echo ""
277 echo " libkms $LIBKMS"
278 echo " Intel API $INTEL"
279 echo " vmwgfx API $VMWGFX"
280 echo " Radeon API $RADEON"
281 echo " Nouveau API $NOUVEAU"
282 echo ""