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 dnl Use lots of warning flags with with gcc and compatible compilers
115 dnl Note: if you change the following variable, the cache is automatically
116 dnl skipped and all flags rechecked. So there's no need to do anything
117 dnl else. If for any reason you need to force a recheck, just change
118 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
120 MAYBE_WARN="-Wall -Wextra \
121 -Wsign-compare -Werror-implicit-function-declaration \
122 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
123 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
124 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
125 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
126 -Wdeclaration-after-statement -Wold-style-definition \
127 -Wno-missing-field-initializers -Wno-unused-parameter \
128 -Wno-attributes -Wno-long-long -Winline"
130 # invalidate cached value if MAYBE_WARN has changed
131 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
132 unset libdrm_cv_warn_cflags
134 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
138 # Some warning options are not supported by all versions of
139 # gcc, so test all desired options against the current
142 # Note that there are some order dependencies
143 # here. Specifically, an option that disables a warning will
144 # have no net effect if a later option then enables that
145 # warnings, (perhaps implicitly). So we put some grouped
146 # options (-Wall and -Wextra) up front and the -Wno options
149 for W in $MAYBE_WARN; do
150 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
153 libdrm_cv_warn_cflags=$WARN_CFLAGS
154 libdrm_cv_warn_maybe=$MAYBE_WARN
156 AC_MSG_CHECKING([which warning flags were supported])])
157 WARN_CFLAGS="$libdrm_cv_warn_cflags"
159 if test "x$UDEV" = xyes; then
160 AC_DEFINE(UDEV, 1, [Have UDEV support])
164 if test "x$LIBKMS" = xauto ; then
166 linux*) LIBKMS="yes" ;;
171 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
173 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
174 if test "x$VMWGFX" = xyes; then
175 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
178 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
179 if test "x$NOUVEAU" = xyes; then
180 AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
183 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
184 if test "x$HAVE_CAIRO" = xyes; then
185 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
187 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
189 # For enumerating devices in test case
190 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
191 if test "x$HAVE_LIBUDEV" = xyes; then
192 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
194 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
196 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
197 # Check for atomic intrinsics
198 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
200 drm_cv_atomic_primitives="none"
202 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
203 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
204 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
206 [drm_cv_atomic_primitives="Intel"],[])
208 if test "x$drm_cv_atomic_primitives" = "xnone"; then
209 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
212 # atomic functions defined in <atomic.h> & libc on Solaris
213 if test "x$drm_cv_atomic_primitives" = "xnone"; then
214 AC_CHECK_FUNC([atomic_cas_uint],
215 drm_cv_atomic_primitives="Solaris")
219 if test "x$drm_cv_atomic_primitives" = xIntel; then
220 AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
221 [Enable if your compiler supports the Intel __sync_* atomic primitives])
223 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
224 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
227 if test "x$drm_cv_atomic_primitives" = "xnone"; then
228 if test "x$INTEL" != "xauto"; then
229 if test "x$INTEL" != "xno"; then
230 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])
233 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.])
236 if test "x$RADEON" != "xauto"; then
237 if test "x$RADEON" != "xno"; then
238 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])
241 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 if test "x$INTEL" != "xno"; then
249 if test "x$RADEON" != "xno"; then
255 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
256 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
257 if test "x$RADEON" = xyes; then
258 AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
261 AC_ARG_WITH([kernel-source],
262 [AS_HELP_STRING([--with-kernel-source],
263 [specify path to linux kernel source])],
264 [kernel_source="$with_kernel_source"])
265 AC_SUBST(kernel_source)
267 AC_SUBST(WARN_CFLAGS)
273 intel/libdrm_intel.pc
275 radeon/libdrm_radeon.pc
277 nouveau/libdrm_nouveau.pc
279 tests/modeprint/Makefile
280 tests/modetest/Makefile
281 tests/kmstest/Makefile
282 tests/vbltest/Makefile
289 echo "$PACKAGE_STRING will be compiled with:"
291 echo " libkms $LIBKMS"
292 echo " Intel API $INTEL"
293 echo " vmwgfx API $VMWGFX"
294 echo " Radeon API $RADEON"
295 echo " Nouveau API $NOUVEAU"