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])
36 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
37 AC_SUBST(PTHREADSTUBS_CFLAGS)
38 AC_SUBST(PTHREADSTUBS_LIBS)
40 pkgconfigdir=${libdir}/pkgconfig
41 AC_SUBST(pkgconfigdir)
42 AC_ARG_ENABLE(udev, AS_HELP_STRING([--enable-udev],
43 [Enable support for using udev instead of mknod (default: disabled)]),
44 [UDEV=$enableval], [UDEV=no])
47 AS_HELP_STRING([--enable-libkms],
48 [Enable KMS mm abstraction library (default: disabled)]),
49 [LIBKMS=$enableval], [LIBKMS=no])
52 AS_HELP_STRING([--disable-intel],
53 [Enable support for intel's KMS API (default: auto)]),
54 [INTEL=$enableval], [INTEL=auto])
56 AC_ARG_ENABLE(vmwgfx-experimental-api,
57 AS_HELP_STRING([--enable-vmwgfx-experimental-api],
58 [Install vmwgfx's experimental kernel API header (default: disabled)]),
59 [VMWGFX=$enableval], [VMWGFX=no])
61 AC_ARG_ENABLE(nouveau-experimental-api,
62 AS_HELP_STRING([--enable-nouveau-experimental-api],
63 [Enable support for nouveau's experimental API (default: disabled)]),
64 [NOUVEAU=$enableval], [NOUVEAU=no])
66 AC_ARG_ENABLE(radeon-experimental-api,
67 AS_HELP_STRING([--enable-radeon-experimental-api],
68 [Enable support for radeon's KMS API (default: disabled)]),
69 [RADEON=$enableval], [RADEON=no])
71 dnl ===========================================================================
72 dnl check compiler flags
73 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
74 AC_MSG_CHECKING([whether $CC supports $1])
76 libdrm_save_CFLAGS="$CFLAGS"
79 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
80 CFLAGS="$libdrm_save_CFLAGS"
82 if test "x$libdrm_cc_flag" = "xyes"; then
83 ifelse([$2], , :, [$2])
85 ifelse([$3], , :, [$3])
87 AC_MSG_RESULT([$libdrm_cc_flag])
90 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
92 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
93 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
94 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
97 dnl Use lots of warning flags with with gcc and compatible compilers
99 dnl Note: if you change the following variable, the cache is automatically
100 dnl skipped and all flags rechecked. So there's no need to do anything
101 dnl else. If for any reason you need to force a recheck, just change
102 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
104 MAYBE_WARN="-Wall -Wextra \
105 -Wsign-compare -Werror-implicit-function-declaration \
106 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
107 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
108 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
109 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
110 -Wdeclaration-after-statement -Wold-style-definition \
111 -Wno-missing-field-initializers -Wno-unused-parameter \
112 -Wno-attributes -Wno-long-long -Winline"
114 # invalidate cached value if MAYBE_WARN has changed
115 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
116 unset libdrm_cv_warn_cflags
118 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
122 # Some warning options are not supported by all versions of
123 # gcc, so test all desired options against the current
126 # Note that there are some order dependencies
127 # here. Specifically, an option that disables a warning will
128 # have no net effect if a later option then enables that
129 # warnings, (perhaps implicitly). So we put some grouped
130 # options (-Wall and -Wextra) up front and the -Wno options
133 for W in $MAYBE_WARN; do
134 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
137 libdrm_cv_warn_cflags=$WARN_CFLAGS
138 libdrm_cv_warn_maybe=$MAYBE_WARN
140 AC_MSG_CHECKING([which warning flags were supported])])
141 WARN_CFLAGS="$libdrm_cv_warn_cflags"
143 if test "x$UDEV" = xyes; then
144 AC_DEFINE(UDEV, 1, [Have UDEV support])
147 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
149 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
150 if test "x$VMWGFX" = xyes; then
151 AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
154 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
156 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
158 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
159 if test "x$HAVE_CAIRO" = xyes; then
160 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
162 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
164 # For enumerating devices in test case
165 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
166 if test "x$HAVE_LIBUDEV" = xyes; then
167 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
169 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
171 if test "x$INTEL" != "xno"; then
172 # Check for atomic intrinsics
173 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
175 drm_cv_atomic_primitives="none"
178 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
179 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
181 drm_cv_atomic_primitives="Intel"
184 if test "x$drm_cv_atomic_primitives" = "xnone"; then
185 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
189 if test "x$drm_cv_atomic_primitives" = xIntel; then
190 AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1,
191 [Enable if your compiler supports the Intel __sync_* atomic primitives])
193 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
194 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
197 if test "x$drm_cv_atomic_primitives" = "xnone"; then
198 if test "x$INTEL" != "xauto"; then
199 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])
208 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
210 AC_ARG_WITH([kernel-source],
211 [AS_HELP_STRING([--with-kernel-source],
212 [specify path to linux kernel source])],
213 [kernel_source="$with_kernel_source"])
214 AC_SUBST(kernel_source)
216 AC_SUBST(WARN_CFLAGS)
222 intel/libdrm_intel.pc
224 radeon/libdrm_radeon.pc
226 nouveau/libdrm_nouveau.pc
228 tests/modeprint/Makefile
229 tests/modetest/Makefile
235 echo "$PACKAGE_STRING will be compiled with:"
237 echo " libkms $LIBKMS"
238 echo " Intel API $INTEL"
239 echo " vmwgfx API $VMWGFX"
240 echo " Radeon API $RADEON"
241 echo " Nouveau API $NOUVEAU"