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], 2.4.17, [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([--enable-libkms],
49 [Enable KMS mm abstraction library (default: disabled)]),
50 [LIBKMS=$enableval], [LIBKMS=no])
53 AS_HELP_STRING([--disable-intel],
54 [Enable support for intel's KMS API (default: auto)]),
55 [INTEL=$enableval], [INTEL=auto])
57 AC_ARG_ENABLE(vmwgfx-experimental-api,
58 AS_HELP_STRING([--enable-vmwgfx-experimental-api],
59 [Install vmwgfx's experimental kernel API header (default: disabled)]),
60 [VMWGFX=$enableval], [VMWGFX=no])
62 AC_ARG_ENABLE(nouveau-experimental-api,
63 AS_HELP_STRING([--enable-nouveau-experimental-api],
64 [Enable support for nouveau's experimental API (default: disabled)]),
65 [NOUVEAU=$enableval], [NOUVEAU=no])
67 AC_ARG_ENABLE(radeon-experimental-api,
68 AS_HELP_STRING([--enable-radeon-experimental-api],
69 [Enable support for radeon's KMS API (default: disabled)]),
70 [RADEON=$enableval], [RADEON=no])
72 dnl ===========================================================================
73 dnl check compiler flags
74 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
75 AC_MSG_CHECKING([whether $CC supports $1])
77 libdrm_save_CFLAGS="$CFLAGS"
80 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
81 CFLAGS="$libdrm_save_CFLAGS"
83 if test "x$libdrm_cc_flag" = "xyes"; then
84 ifelse([$2], , :, [$2])
86 ifelse([$3], , :, [$3])
88 AC_MSG_RESULT([$libdrm_cc_flag])
91 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
93 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
94 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
95 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
98 dnl Use lots of warning flags with with gcc and compatible compilers
100 dnl Note: if you change the following variable, the cache is automatically
101 dnl skipped and all flags rechecked. So there's no need to do anything
102 dnl else. If for any reason you need to force a recheck, just change
103 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
105 MAYBE_WARN="-Wall -Wextra \
106 -Wsign-compare -Werror-implicit-function-declaration \
107 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
108 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
109 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
110 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
111 -Wdeclaration-after-statement -Wold-style-definition \
112 -Wno-missing-field-initializers -Wno-unused-parameter \
113 -Wno-attributes -Wno-long-long -Winline"
115 # invalidate cached value if MAYBE_WARN has changed
116 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
117 unset libdrm_cv_warn_cflags
119 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
123 # Some warning options are not supported by all versions of
124 # gcc, so test all desired options against the current
127 # Note that there are some order dependencies
128 # here. Specifically, an option that disables a warning will
129 # have no net effect if a later option then enables that
130 # warnings, (perhaps implicitly). So we put some grouped
131 # options (-Wall and -Wextra) up front and the -Wno options
134 for W in $MAYBE_WARN; do
135 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
138 libdrm_cv_warn_cflags=$WARN_CFLAGS
139 libdrm_cv_warn_maybe=$MAYBE_WARN
141 AC_MSG_CHECKING([which warning flags were supported])])
142 WARN_CFLAGS="$libdrm_cv_warn_cflags"
144 if test "x$UDEV" = xyes; then
145 AC_DEFINE(UDEV, 1, [Have UDEV support])
148 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
150 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
151 if test "x$VMWGFX" = xyes; then
152 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
155 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
157 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
159 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
160 if test "x$HAVE_CAIRO" = xyes; then
161 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
163 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
165 # For enumerating devices in test case
166 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
167 if test "x$HAVE_LIBUDEV" = xyes; then
168 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
170 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
172 if test "x$INTEL" != "xno"; then
173 # Check for atomic intrinsics
174 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
176 drm_cv_atomic_primitives="none"
179 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
180 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
182 drm_cv_atomic_primitives="Intel"
185 if test "x$drm_cv_atomic_primitives" = "xnone"; then
186 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
190 if test "x$drm_cv_atomic_primitives" = xIntel; then
191 AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1,
192 [Enable if your compiler supports the Intel __sync_* atomic primitives])
194 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
195 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
198 if test "x$drm_cv_atomic_primitives" = "xnone"; then
199 if test "x$INTEL" != "xauto"; then
200 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])
209 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
211 AC_ARG_WITH([kernel-source],
212 [AS_HELP_STRING([--with-kernel-source],
213 [specify path to linux kernel source])],
214 [kernel_source="$with_kernel_source"])
215 AC_SUBST(kernel_source)
217 AC_SUBST(WARN_CFLAGS)
223 intel/libdrm_intel.pc
225 radeon/libdrm_radeon.pc
227 nouveau/libdrm_nouveau.pc
229 tests/modeprint/Makefile
230 tests/modetest/Makefile
231 tests/kmstest/Makefile
237 echo "$PACKAGE_STRING will be compiled with:"
239 echo " libkms $LIBKMS"
240 echo " Intel API $INTEL"
241 echo " vmwgfx API $VMWGFX"
242 echo " Radeon API $RADEON"
243 echo " Nouveau API $NOUVEAU"