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], 2.4.20, [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 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
38 AC_SUBST(PTHREADSTUBS_CFLAGS)
39 AC_SUBST(PTHREADSTUBS_LIBS)
41 pkgconfigdir=${libdir}/pkgconfig
42 AC_SUBST(pkgconfigdir)
43 AC_ARG_ENABLE(udev, AS_HELP_STRING([--enable-udev],
44 [Enable support for using udev instead of mknod (default: disabled)]),
45 [UDEV=$enableval], [UDEV=no])
47 AC_ARG_ENABLE(libkms,
48 AS_HELP_STRING([--disable-libkms],
49 [Disable KMS mm abstraction library (default: enabled)]),
50 [LIBKMS=$enableval], [LIBKMS=yes])
52 AC_ARG_ENABLE(intel,
53 AS_HELP_STRING([--disable-intel],
54 [Enable support for intel's KMS API (default: auto)]),
55 [INTEL=$enableval], [INTEL=auto])
57 AC_ARG_ENABLE(radeon,
58 AS_HELP_STRING([--disable-radeon],
59 [Enable support for radeon's KMS API (default: auto)]),
60 [RADEON=$enableval], [RADEON=auto])
62 AC_ARG_ENABLE(vmwgfx-experimental-api,
63 AS_HELP_STRING([--enable-vmwgfx-experimental-api],
64 [Install vmwgfx's experimental kernel API header (default: disabled)]),
65 [VMWGFX=$enableval], [VMWGFX=no])
67 AC_ARG_ENABLE(nouveau-experimental-api,
68 AS_HELP_STRING([--enable-nouveau-experimental-api],
69 [Enable support for nouveau's experimental API (default: disabled)]),
70 [NOUVEAU=$enableval], [NOUVEAU=no])
73 dnl ===========================================================================
74 dnl check compiler flags
75 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
76 AC_MSG_CHECKING([whether $CC supports $1])
78 libdrm_save_CFLAGS="$CFLAGS"
79 CFLAGS="$CFLAGS $1"
81 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
82 CFLAGS="$libdrm_save_CFLAGS"
84 if test "x$libdrm_cc_flag" = "xyes"; then
85 ifelse([$2], , :, [$2])
86 else
87 ifelse([$3], , :, [$3])
88 fi
89 AC_MSG_RESULT([$libdrm_cc_flag])
90 ])
92 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
94 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
95 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
96 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
97 AC_SUBST([CLOCK_LIB])
99 dnl Use lots of warning flags with with gcc and compatible compilers
101 dnl Note: if you change the following variable, the cache is automatically
102 dnl skipped and all flags rechecked. So there's no need to do anything
103 dnl else. If for any reason you need to force a recheck, just change
104 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
106 MAYBE_WARN="-Wall -Wextra \
107 -Wsign-compare -Werror-implicit-function-declaration \
108 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
109 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
110 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
111 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
112 -Wdeclaration-after-statement -Wold-style-definition \
113 -Wno-missing-field-initializers -Wno-unused-parameter \
114 -Wno-attributes -Wno-long-long -Winline"
116 # invalidate cached value if MAYBE_WARN has changed
117 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
118 unset libdrm_cv_warn_cflags
119 fi
120 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
121 echo
122 WARN_CFLAGS=""
124 # Some warning options are not supported by all versions of
125 # gcc, so test all desired options against the current
126 # compiler.
127 #
128 # Note that there are some order dependencies
129 # here. Specifically, an option that disables a warning will
130 # have no net effect if a later option then enables that
131 # warnings, (perhaps implicitly). So we put some grouped
132 # options (-Wall and -Wextra) up front and the -Wno options
133 # last.
135 for W in $MAYBE_WARN; do
136 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
137 done
139 libdrm_cv_warn_cflags=$WARN_CFLAGS
140 libdrm_cv_warn_maybe=$MAYBE_WARN
142 AC_MSG_CHECKING([which warning flags were supported])])
143 WARN_CFLAGS="$libdrm_cv_warn_cflags"
145 if test "x$UDEV" = xyes; then
146 AC_DEFINE(UDEV, 1, [Have UDEV support])
147 fi
149 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
151 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
152 if test "x$VMWGFX" = xyes; then
153 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
154 fi
156 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
157 if test "x$NOUVEAU" = xyes; then
158 AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
159 fi
161 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
162 if test "x$HAVE_CAIRO" = xyes; then
163 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
164 fi
165 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
167 # For enumerating devices in test case
168 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
169 if test "x$HAVE_LIBUDEV" = xyes; then
170 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
171 fi
172 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
174 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
175 # Check for atomic intrinsics
176 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
177 [
178 drm_cv_atomic_primitives="none"
180 AC_TRY_LINK([
181 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
182 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
183 ], [],
184 drm_cv_atomic_primitives="Intel"
185 )
187 if test "x$drm_cv_atomic_primitives" = "xnone"; then
188 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
189 fi
191 # atomic functions defined in <atomic.h> & libc on Solaris
192 if test "x$drm_cv_atomic_primitives" = "xnone"; then
193 AC_CHECK_FUNC([atomic_cas_uint],
194 drm_cv_atomic_primitives="Solaris")
195 fi
197 ])
198 if test "x$drm_cv_atomic_primitives" = xIntel; then
199 AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
200 [Enable if your compiler supports the Intel __sync_* atomic primitives])
201 fi
202 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
203 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
204 fi
206 if test "x$drm_cv_atomic_primitives" = "xnone"; then
207 if test "x$INTEL" != "xauto"; then
208 if test "x$INTEL" != "xno"; then
209 AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
210 fi
211 else
212 AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
213 INTEL=no
214 fi
215 if test "x$RADEON" != "xauto"; then
216 if test "x$RADEON" != "xno"; then
217 AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
218 fi
219 else
220 AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
221 RADEON=no
222 fi
224 else
225 if test "x$INTEL" != "xno"; then
226 INTEL=yes
227 fi
228 if test "x$RADEON" != "xno"; then
229 RADEON=yes
230 fi
231 fi
232 fi
234 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
235 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
237 AC_ARG_WITH([kernel-source],
238 [AS_HELP_STRING([--with-kernel-source],
239 [specify path to linux kernel source])],
240 [kernel_source="$with_kernel_source"])
241 AC_SUBST(kernel_source)
243 AC_SUBST(WARN_CFLAGS)
244 AC_OUTPUT([
245 Makefile
246 libkms/Makefile
247 libkms/libkms.pc
248 intel/Makefile
249 intel/libdrm_intel.pc
250 radeon/Makefile
251 radeon/libdrm_radeon.pc
252 nouveau/Makefile
253 nouveau/libdrm_nouveau.pc
254 tests/Makefile
255 tests/modeprint/Makefile
256 tests/modetest/Makefile
257 tests/kmstest/Makefile
258 include/Makefile
259 include/drm/Makefile
260 libdrm.pc])
262 echo ""
263 echo "$PACKAGE_STRING will be compiled with:"
264 echo ""
265 echo " libkms $LIBKMS"
266 echo " Intel API $INTEL"
267 echo " vmwgfx API $VMWGFX"
268 echo " Radeon API $RADEON"
269 echo " Nouveau API $NOUVEAU"
270 echo ""