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