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([--disable-intel],
48 [Enable support for intel's KMS API (default: auto)]),
49 [INTEL=$enableval], [INTEL=auto])
51 AC_ARG_ENABLE(vmwgfx-experimental-api,
52 AS_HELP_STRING([--enable-vmwgfx-experimental-api],
53 [Install vmwgfx's experimental kernel API header (default: disabled)]),
54 [VMWGFX=$enableval], [VMWGFX=no])
56 AC_ARG_ENABLE(nouveau-experimental-api,
57 AS_HELP_STRING([--enable-nouveau-experimental-api],
58 [Enable support for nouveau's experimental API (default: disabled)]),
59 [NOUVEAU=$enableval], [NOUVEAU=no])
61 AC_ARG_ENABLE(radeon-experimental-api,
62 AS_HELP_STRING([--enable-radeon-experimental-api],
63 [Enable support for radeon's KMS API (default: disabled)]),
64 [RADEON=$enableval], [RADEON=no])
66 dnl ===========================================================================
67 dnl check compiler flags
68 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
69 AC_MSG_CHECKING([whether $CC supports $1])
71 libdrm_save_CFLAGS="$CFLAGS"
74 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
75 CFLAGS="$libdrm_save_CFLAGS"
77 if test "x$libdrm_cc_flag" = "xyes"; then
78 ifelse([$2], , :, [$2])
80 ifelse([$3], , :, [$3])
82 AC_MSG_RESULT([$libdrm_cc_flag])
85 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
87 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
88 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
89 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
92 dnl Use lots of warning flags with with gcc and compatible compilers
94 dnl Note: if you change the following variable, the cache is automatically
95 dnl skipped and all flags rechecked. So there's no need to do anything
96 dnl else. If for any reason you need to force a recheck, just change
97 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
99 MAYBE_WARN="-Wall -Wextra \
100 -Wsign-compare -Werror-implicit-function-declaration \
101 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
102 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
103 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
104 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
105 -Wdeclaration-after-statement -Wold-style-definition \
106 -Wno-missing-field-initializers -Wno-unused-parameter \
107 -Wno-attributes -Wno-long-long -Winline"
109 # invalidate cached value if MAYBE_WARN has changed
110 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
111 unset libdrm_cv_warn_cflags
113 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
117 # Some warning options are not supported by all versions of
118 # gcc, so test all desired options against the current
121 # Note that there are some order dependencies
122 # here. Specifically, an option that disables a warning will
123 # have no net effect if a later option then enables that
124 # warnings, (perhaps implicitly). So we put some grouped
125 # options (-Wall and -Wextra) up front and the -Wno options
128 for W in $MAYBE_WARN; do
129 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
132 libdrm_cv_warn_cflags=$WARN_CFLAGS
133 libdrm_cv_warn_maybe=$MAYBE_WARN
135 AC_MSG_CHECKING([which warning flags were supported])])
136 WARN_CFLAGS="$libdrm_cv_warn_cflags"
138 if test "x$UDEV" = xyes; then
139 AC_DEFINE(UDEV, 1, [Have UDEV support])
142 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
144 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
146 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
148 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
149 if test "x$HAVE_CAIRO" = xyes; then
150 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
152 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
154 # For enumerating devices in test case
155 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
156 if test "x$HAVE_LIBUDEV" = xyes; then
157 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
159 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
161 if test "x$INTEL" != "xno"; then
162 # Check for atomic intrinsics
163 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
165 drm_cv_atomic_primitives="none"
168 int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
169 int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
171 drm_cv_atomic_primitives="Intel"
174 if test "x$drm_cv_atomic_primitives" = "xnone"; then
175 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
179 if test "x$drm_cv_atomic_primitives" = xIntel; then
180 AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1,
181 [Enable if your compiler supports the Intel __sync_* atomic primitives])
183 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
184 AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
187 if test "x$drm_cv_atomic_primitives" = "xnone"; then
188 if test "x$INTEL" != "xauto"; then
189 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])
198 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
200 AC_ARG_WITH([kernel-source],
201 [AS_HELP_STRING([--with-kernel-source],
202 [specify path to linux kernel source])],
203 [kernel_source="$with_kernel_source"])
204 AC_SUBST(kernel_source)
206 AC_SUBST(WARN_CFLAGS)
210 intel/libdrm_intel.pc
212 radeon/libdrm_radeon.pc
214 nouveau/libdrm_nouveau.pc
216 tests/modeprint/Makefile
217 tests/modetest/Makefile
223 echo "$PACKAGE_STRING will be compiled with:"
225 echo " Intel API $INTEL"
226 echo " vmwgfx API $VMWGFX"
227 echo " Radeon API $RADEON"
228 echo " Nouveau API $NOUVEAU"