1 # Copyright 2005 Adam Jackson.
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:
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
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.
24 [https://bugs.freedesktop.org/enter_bug.cgi?product=DRI],
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])])
41 AC_USE_SYSTEM_EXTENSIONS
47 LT_INIT([disable-static])
50 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
51 AC_SUBST(PTHREADSTUBS_CFLAGS)
52 AC_SUBST(PTHREADSTUBS_LIBS)
54 pkgconfigdir=${libdir}/pkgconfig
55 AC_SUBST(pkgconfigdir)
57 [AS_HELP_STRING([--enable-udev],
58 [Enable support for using udev instead of mknod (default: disabled)])],
59 [UDEV=$enableval], [UDEV=no])
62 AS_HELP_STRING([--disable-libkms],
63 [Disable KMS mm abstraction library (default: auto)]),
64 [LIBKMS=$enableval], [LIBKMS=auto])
67 AS_HELP_STRING([--disable-intel],
68 [Enable support for intel's KMS API (default: auto)]),
69 [INTEL=$enableval], [INTEL=auto])
72 AS_HELP_STRING([--disable-radeon],
73 [Enable support for radeon's KMS API (default: auto)]),
74 [RADEON=$enableval], [RADEON=auto])
76 AC_ARG_ENABLE(vmwgfx-experimental-api,
77 AS_HELP_STRING([--enable-vmwgfx-experimental-api],
78 [Install vmwgfx's experimental kernel API header (default: disabled)]),
79 [VMWGFX=$enableval], [VMWGFX=no])
81 AC_ARG_ENABLE(nouveau-experimental-api,
82 AS_HELP_STRING([--enable-nouveau-experimental-api],
83 [Enable support for nouveau's experimental API (default: disabled)]),
84 [NOUVEAU=$enableval], [NOUVEAU=no])
87 dnl ===========================================================================
88 dnl check compiler flags
89 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
90 AC_MSG_CHECKING([whether $CC supports $1])
92 libdrm_save_CFLAGS="$CFLAGS"
95 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
96 CFLAGS="$libdrm_save_CFLAGS"
98 if test "x$libdrm_cc_flag" = "xyes"; then
99 ifelse([$2], , :, [$2])
101 ifelse([$3], , :, [$3])
103 AC_MSG_RESULT([$libdrm_cc_flag])
106 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
108 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
109 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
110 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
111 AC_SUBST([CLOCK_LIB])
113 AC_CHECK_FUNCS([open_memstream], [HAVE_OPEN_MEMSTREAM=yes])
115 dnl Use lots of warning flags with with gcc and compatible compilers
117 dnl Note: if you change the following variable, the cache is automatically
118 dnl skipped and all flags rechecked. So there's no need to do anything
119 dnl else. If for any reason you need to force a recheck, just change
120 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
122 MAYBE_WARN="-Wall -Wextra \
123 -Wsign-compare -Werror-implicit-function-declaration \
124 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
125 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
126 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
127 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
128 -Wdeclaration-after-statement -Wold-style-definition \
129 -Wno-missing-field-initializers -Wno-unused-parameter \
130 -Wno-attributes -Wno-long-long -Winline"
132 # invalidate cached value if MAYBE_WARN has changed
133 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
134 unset libdrm_cv_warn_cflags
136 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
140 # Some warning options are not supported by all versions of
141 # gcc, so test all desired options against the current
144 # Note that there are some order dependencies
145 # here. Specifically, an option that disables a warning will
146 # have no net effect if a later option then enables that
147 # warnings, (perhaps implicitly). So we put some grouped
148 # options (-Wall and -Wextra) up front and the -Wno options
151 for W in $MAYBE_WARN; do
152 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
155 libdrm_cv_warn_cflags=$WARN_CFLAGS
156 libdrm_cv_warn_maybe=$MAYBE_WARN
158 AC_MSG_CHECKING([which warning flags were supported])])
159 WARN_CFLAGS="$libdrm_cv_warn_cflags"
161 if test "x$UDEV" = xyes; then
162 AC_DEFINE(UDEV, 1, [Have UDEV support])
166 if test "x$LIBKMS" = xauto ; then
168 linux*) LIBKMS="yes" ;;
173 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
175 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
176 if test "x$VMWGFX" = xyes; then
177 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
180 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
181 if test "x$NOUVEAU" = xyes; then
182 AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
185 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
186 if test "x$HAVE_CAIRO" = xyes; then
187 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
189 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
191 # For enumerating devices in test case
192 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
193 if test "x$HAVE_LIBUDEV" = xyes; then
194 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
196 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
198 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
199 # Check for atomic intrinsics
200 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
202 drm_cv_atomic_primitives="none"
204 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
205 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
206 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
208 [drm_cv_atomic_primitives="Intel"],[])
210 if test "x$drm_cv_atomic_primitives" = "xnone"; then
211 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
214 # atomic functions defined in <atomic.h> & libc on Solaris
215 if test "x$drm_cv_atomic_primitives" = "xnone"; then
216 AC_CHECK_FUNC([atomic_cas_uint],
217 drm_cv_atomic_primitives="Solaris")
221 if test "x$drm_cv_atomic_primitives" = xIntel; then
222 AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
223 [Enable if your compiler supports the Intel __sync_* atomic primitives])
225 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
226 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
229 if test "x$drm_cv_atomic_primitives" = "xnone"; then
230 if test "x$INTEL" != "xauto"; then
231 if test "x$INTEL" != "xno"; then
232 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 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 if test "x$RADEON" != "xauto"; then
239 if test "x$RADEON" != "xno"; then
240 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 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 if test "x$INTEL" != "xno"; then
250 i?86|x86_64) INTEL=yes ;;
254 if test "x$RADEON" != "xno"; then
260 if test "x$INTEL" != "xno"; then
261 PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
263 AC_SUBST(PCIACCESS_CFLAGS)
264 AC_SUBST(PCIACCESS_LIBS)
266 PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
267 if test "x$have_valgrind" = "xyes"; then
268 AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
271 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
272 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
273 if test "x$RADEON" = xyes; then
274 AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
277 AC_ARG_WITH([kernel-source],
278 [AS_HELP_STRING([--with-kernel-source],
279 [specify path to linux kernel source])],
280 [kernel_source="$with_kernel_source"])
281 AC_SUBST(kernel_source)
283 AC_SUBST(WARN_CFLAGS)
289 intel/libdrm_intel.pc
291 radeon/libdrm_radeon.pc
293 nouveau/libdrm_nouveau.pc
295 tests/modeprint/Makefile
296 tests/modetest/Makefile
297 tests/kmstest/Makefile
298 tests/radeon/Makefile
299 tests/vbltest/Makefile
306 echo "$PACKAGE_STRING will be compiled with:"
308 echo " libkms $LIBKMS"
309 echo " Intel API $INTEL"
310 echo " vmwgfx API $VMWGFX"
311 echo " Radeon API $RADEON"
312 echo " Nouveau API $NOUVEAU"