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], 2.4.18, [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 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])
48 AS_HELP_STRING([--disable-libkms],
49 [Disable KMS mm abstraction library (default: enabled)]),
50 [LIBKMS=$enableval], [LIBKMS=yes])
53 AS_HELP_STRING([--disable-intel],
54 [Enable support for intel's KMS API (default: auto)]),
55 [INTEL=$enableval], [INTEL=auto])
58 AS_HELP_STRING([--disable-radeon],
59 [Enable support for radeon's KMS API (default: enabled)]),
60 [RADEON=$enableval], [RADEON=yes])
62 AC_ARG_ENABLE(vmwgfx-experimental-api,
63 AS_HELP_STRING([--enable-vmwgfx-experimental-api],
64 [Install vmwgfx's experimental kernel API header (default: disabled)]),
65 [VMWGFX=$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"
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])
87 ifelse([$3], , :, [$3])
89 AC_MSG_RESULT([$libdrm_cc_flag])
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])])])
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
120 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
124 # Some warning options are not supported by all versions of
125 # gcc, so test all desired options against the current
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
135 for W in $MAYBE_WARN; do
136 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
139 libdrm_cv_warn_cflags=$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$UDEV" = xyes; then
146 AC_DEFINE(UDEV, 1, [Have UDEV support])
149 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$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])
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])
161 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
163 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
164 if test "x$HAVE_CAIRO" = xyes; then
165 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
167 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
169 # For enumerating devices in test case
170 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
171 if test "x$HAVE_LIBUDEV" = xyes; then
172 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
174 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
176 if test "x$INTEL" != "xno"; then
177 # Check for atomic intrinsics
178 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
180 drm_cv_atomic_primitives="none"
183 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
184 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
186 drm_cv_atomic_primitives="Intel"
189 if test "x$drm_cv_atomic_primitives" = "xnone"; then
190 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
193 # atomic functions defined in <atomic.h> & libc on Solaris
194 if test "x$drm_cv_atomic_primitives" = "xnone"; then
195 AC_CHECK_FUNC([atomic_cas_uint],
196 drm_cv_atomic_primitives="Solaris")
200 if test "x$drm_cv_atomic_primitives" = xIntel; then
201 AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1,
202 [Enable if your compiler supports the Intel __sync_* atomic primitives])
204 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
205 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
208 if test "x$drm_cv_atomic_primitives" = "xnone"; then
209 if test "x$INTEL" != "xauto"; then
210 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])
219 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
221 AC_ARG_WITH([kernel-source],
222 [AS_HELP_STRING([--with-kernel-source],
223 [specify path to linux kernel source])],
224 [kernel_source="$with_kernel_source"])
225 AC_SUBST(kernel_source)
227 AC_SUBST(WARN_CFLAGS)
233 intel/libdrm_intel.pc
235 radeon/libdrm_radeon.pc
237 nouveau/libdrm_nouveau.pc
239 tests/modeprint/Makefile
240 tests/modetest/Makefile
241 tests/kmstest/Makefile
247 echo "$PACKAGE_STRING will be compiled with:"
249 echo " libkms $LIBKMS"
250 echo " Intel API $INTEL"
251 echo " vmwgfx API $VMWGFX"
252 echo " Radeon API $RADEON"
253 echo " Nouveau API $NOUVEAU"