intel: Add interface to query aperture sizes.
[gstreamer-omap:libdrm.git] / configure.ac
1 #  Copyright 2005 Adam Jackson.
2 #
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:
9 #
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
12 #  Software.
13 #
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.
20
21 AC_PREREQ([2.63])
22 AC_INIT([libdrm],
23         [2.4.25],
24         [https://bugs.freedesktop.org/enter_bug.cgi?product=DRI],
25         [libdrm])
26
27 AC_CONFIG_HEADERS([config.h])
28 AC_CONFIG_SRCDIR([Makefile.am])
29 AC_CONFIG_MACRO_DIR([m4])
30 AC_CONFIG_AUX_DIR([build-aux])
31
32 AM_INIT_AUTOMAKE([1.10 foreign dist-bzip2])
33 AM_MAINTAINER_MODE([enable])
34
35 # Enable quiet compiles on automake 1.11.
36 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
37
38 # Check for programs
39 AC_PROG_CC
40
41 AC_USE_SYSTEM_EXTENSIONS
42 AC_SYS_LARGEFILE
43 AC_FUNC_ALLOCA
44
45 # Initialize libtool
46 LT_PREREQ([2.2])
47 LT_INIT([disable-static])
48
49
50 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
51 AC_SUBST(PTHREADSTUBS_CFLAGS)
52 AC_SUBST(PTHREADSTUBS_LIBS)
53
54 PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
55 AC_SUBST(PCIACCESS_CFLAGS)
56 AC_SUBST(PCIACCESS_LIBS)
57
58 pkgconfigdir=${libdir}/pkgconfig
59 AC_SUBST(pkgconfigdir)
60 AC_ARG_ENABLE([udev],
61               [AS_HELP_STRING([--enable-udev],
62                               [Enable support for using udev instead of mknod (default: disabled)])],
63               [UDEV=$enableval], [UDEV=no])
64
65 AC_ARG_ENABLE(libkms,
66               AS_HELP_STRING([--disable-libkms],
67               [Disable KMS mm abstraction library (default: auto)]),
68               [LIBKMS=$enableval], [LIBKMS=auto])
69
70 AC_ARG_ENABLE(intel,
71               AS_HELP_STRING([--disable-intel],
72               [Enable support for intel's KMS API (default: auto)]),
73               [INTEL=$enableval], [INTEL=auto])
74
75 AC_ARG_ENABLE(radeon,
76               AS_HELP_STRING([--disable-radeon],
77               [Enable support for radeon's KMS API (default: auto)]),
78               [RADEON=$enableval], [RADEON=auto])
79
80 AC_ARG_ENABLE(vmwgfx-experimental-api,
81               AS_HELP_STRING([--enable-vmwgfx-experimental-api],
82               [Install vmwgfx's experimental kernel API header (default: disabled)]),
83               [VMWGFX=$enableval], [VMWGFX=no])
84
85 AC_ARG_ENABLE(nouveau-experimental-api,
86               AS_HELP_STRING([--enable-nouveau-experimental-api],
87               [Enable support for nouveau's experimental API (default: disabled)]),
88               [NOUVEAU=$enableval], [NOUVEAU=no])
89
90
91 dnl ===========================================================================
92 dnl check compiler flags
93 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
94   AC_MSG_CHECKING([whether $CC supports $1])
95
96   libdrm_save_CFLAGS="$CFLAGS"
97   CFLAGS="$CFLAGS $1"
98
99   AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
100   CFLAGS="$libdrm_save_CFLAGS"
101
102   if test "x$libdrm_cc_flag" = "xyes"; then
103     ifelse([$2], , :, [$2])
104   else
105     ifelse([$3], , :, [$3])
106   fi
107   AC_MSG_RESULT([$libdrm_cc_flag])
108 ])
109
110 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
111
112 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
113                [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
114                              [AC_MSG_ERROR([Couldn't find clock_gettime])])])
115 AC_SUBST([CLOCK_LIB])
116
117 dnl Use lots of warning flags with with gcc and compatible compilers
118
119 dnl Note: if you change the following variable, the cache is automatically
120 dnl skipped and all flags rechecked.  So there's no need to do anything
121 dnl else.  If for any reason you need to force a recheck, just change
122 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
123
124 MAYBE_WARN="-Wall -Wextra \
125 -Wsign-compare -Werror-implicit-function-declaration \
126 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
127 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
128 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
129 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
130 -Wdeclaration-after-statement -Wold-style-definition \
131 -Wno-missing-field-initializers -Wno-unused-parameter \
132 -Wno-attributes -Wno-long-long -Winline"
133
134 # invalidate cached value if MAYBE_WARN has changed
135 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
136         unset libdrm_cv_warn_cflags
137 fi
138 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
139         echo
140         WARN_CFLAGS=""
141
142         # Some warning options are not supported by all versions of
143         # gcc, so test all desired options against the current
144         # compiler.
145         #
146         # Note that there are some order dependencies
147         # here. Specifically, an option that disables a warning will
148         # have no net effect if a later option then enables that
149         # warnings, (perhaps implicitly). So we put some grouped
150         # options (-Wall and -Wextra) up front and the -Wno options
151         # last.
152
153         for W in $MAYBE_WARN; do
154                 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
155         done
156
157         libdrm_cv_warn_cflags=$WARN_CFLAGS
158         libdrm_cv_warn_maybe=$MAYBE_WARN
159
160         AC_MSG_CHECKING([which warning flags were supported])])
161 WARN_CFLAGS="$libdrm_cv_warn_cflags"
162
163 if test "x$UDEV" = xyes; then
164         AC_DEFINE(UDEV, 1, [Have UDEV support])
165 fi
166
167 AC_CANONICAL_HOST
168 if test "x$LIBKMS" = xauto ; then
169         case $host_os in
170                 linux*)         LIBKMS="yes" ;;
171                 *)              LIBKMS="no" ;;
172         esac
173 fi
174
175 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
176
177 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
178 if test "x$VMWGFX" = xyes; then
179         AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
180 fi
181
182 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
183 if test "x$NOUVEAU" = xyes; then
184         AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
185 fi
186
187 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
188 if test "x$HAVE_CAIRO" = xyes; then
189         AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
190 fi
191 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
192
193 # For enumerating devices in test case
194 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
195 if test "x$HAVE_LIBUDEV" = xyes; then
196         AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
197 fi
198 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
199
200 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
201     # Check for atomic intrinsics
202     AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
203     [
204             drm_cv_atomic_primitives="none"
205
206             AC_LINK_IFELSE([AC_LANG_PROGRAM([[
207     int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
208     int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
209                                             ]],[[]])],
210                            [drm_cv_atomic_primitives="Intel"],[])
211
212             if test "x$drm_cv_atomic_primitives" = "xnone"; then
213                     AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
214             fi
215
216             # atomic functions defined in <atomic.h> & libc on Solaris
217             if test "x$drm_cv_atomic_primitives" = "xnone"; then
218                     AC_CHECK_FUNC([atomic_cas_uint],
219                                   drm_cv_atomic_primitives="Solaris")
220             fi
221
222     ])
223     if test "x$drm_cv_atomic_primitives" = xIntel; then
224             AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
225                       [Enable if your compiler supports the Intel __sync_* atomic primitives])
226     fi
227     if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
228             AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
229     fi
230
231     if test "x$drm_cv_atomic_primitives" = "xnone"; then
232            if test "x$INTEL" != "xauto"; then
233                    if test "x$INTEL" != "xno"; then
234                         AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
235                    fi
236            else
237                    AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
238                    INTEL=no
239            fi
240            if test "x$RADEON" != "xauto"; then
241                    if test "x$RADEON" != "xno"; then
242                         AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
243                    fi
244            else
245                    AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
246                    RADEON=no
247            fi
248
249     else
250            if test "x$INTEL" != "xno"; then
251                    INTEL=yes
252            fi
253            if test "x$RADEON" != "xno"; then
254                    RADEON=yes
255            fi
256     fi
257 fi
258
259 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
260 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
261 if test "x$RADEON" = xyes; then
262         AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
263 fi
264
265 AC_ARG_WITH([kernel-source],
266             [AS_HELP_STRING([--with-kernel-source],
267               [specify path to linux kernel source])],
268             [kernel_source="$with_kernel_source"])
269 AC_SUBST(kernel_source)
270
271 AC_SUBST(WARN_CFLAGS)
272 AC_CONFIG_FILES([
273         Makefile
274         libkms/Makefile
275         libkms/libkms.pc
276         intel/Makefile
277         intel/libdrm_intel.pc
278         radeon/Makefile
279         radeon/libdrm_radeon.pc
280         nouveau/Makefile
281         nouveau/libdrm_nouveau.pc
282         tests/Makefile
283         tests/modeprint/Makefile
284         tests/modetest/Makefile
285         tests/kmstest/Makefile
286         tests/vbltest/Makefile
287         include/Makefile
288         include/drm/Makefile
289         libdrm.pc])
290 AC_OUTPUT
291
292 echo ""
293 echo "$PACKAGE_STRING will be compiled with:"
294 echo ""
295 echo "  libkms         $LIBKMS"
296 echo "  Intel API      $INTEL"
297 echo "  vmwgfx API     $VMWGFX"
298 echo "  Radeon API     $RADEON"
299 echo "  Nouveau API    $NOUVEAU"
300 echo ""