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.
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])
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])
51 AS_HELP_STRING([--disable-libkms],
52 [Disable KMS mm abstraction library (default: auto)]),
53 [LIBKMS=$enableval], [LIBKMS=auto])
56 AS_HELP_STRING([--disable-intel],
57 [Enable support for intel's KMS API (default: auto)]),
58 [INTEL=$enableval], [INTEL=auto])
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"
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])
90 ifelse([$3], , :, [$3])
92 AC_MSG_RESULT([$libdrm_cc_flag])
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
123 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
127 # Some warning options are not supported by all versions of
128 # gcc, so test all desired options against the current
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
138 for W in $MAYBE_WARN; do
139 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
142 libdrm_cv_warn_cflags=$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$UDEV" = xyes; then
149 AC_DEFINE(UDEV, 1, [Have UDEV support])
153 if test "x$LIBKMS" = xauto ; then
155 linux*) LIBKMS="yes" ;;
160 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
162 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
163 if test "x$VMWGFX" = xyes; then
164 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
167 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
168 if test "x$NOUVEAU" = xyes; then
169 AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
172 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
173 if test "x$HAVE_CAIRO" = xyes; then
174 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
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])
183 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
185 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
186 # Check for atomic intrinsics
187 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
189 drm_cv_atomic_primitives="none"
192 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
193 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
195 drm_cv_atomic_primitives="Intel"
198 if test "x$drm_cv_atomic_primitives" = "xnone"; then
199 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
202 # atomic functions defined in <atomic.h> & libc on Solaris
203 if test "x$drm_cv_atomic_primitives" = "xnone"; then
204 AC_CHECK_FUNC([atomic_cas_uint],
205 drm_cv_atomic_primitives="Solaris")
209 if test "x$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])
213 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
214 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
217 if test "x$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])
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.])
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])
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.])
236 if test "x$INTEL" != "xno"; then
239 if test "x$RADEON" != "xno"; then
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="$with_kernel_source"])
252 AC_SUBST(kernel_source)
254 AC_SUBST(WARN_CFLAGS)
260 intel/libdrm_intel.pc
262 radeon/libdrm_radeon.pc
264 nouveau/libdrm_nouveau.pc
266 tests/modeprint/Makefile
267 tests/modetest/Makefile
268 tests/kmstest/Makefile
269 tests/vbltest/Makefile
275 echo "$PACKAGE_STRING will be compiled with:"
277 echo " libkms $LIBKMS"
278 echo " Intel API $INTEL"
279 echo " vmwgfx API $VMWGFX"
280 echo " Radeon API $RADEON"
281 echo " Nouveau API $NOUVEAU"