Revert "Detect and document dependency on -ldl on Linux, -lc on BSD for dlopen"
[lttng-ust.git] / configure.ac
1 # -*- Autoconf -*-
2 # Process this file with autoconf to produce a configure script.
3
4 AC_INIT([lttng-ust],[2.0.0-rc1],[mathieu dot desnoyers at efficios dot com])
5
6 # Following the numbering scheme proposed by libtool for the library version
7 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
8 AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0])
9 # note: remember to update tracepoint.h dlopen() to match this version
10 # number. TODO: eventually automate by exporting the major number.
11
12 AC_CONFIG_AUX_DIR([config])
13 AC_CANONICAL_TARGET
14 AC_CANONICAL_HOST
15 AC_CONFIG_MACRO_DIR([config])
16 AM_INIT_AUTOMAKE([foreign])
17 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
18 AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
19
20 # Configuration options, which will be installed in the config.h
21 AC_CONFIG_HEADERS([config.h include/lttng/ust-config.h])
22 AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
23 AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
24
25 # Compute minor/major/patchlevel version numbers
26 AC_PROG_SED
27 major_version=$(echo AC_PACKAGE_VERSION | sed 's/^\([[0-9]]\)*\.[[0-9]]*\.[[0-9]]*.*$/\1/')
28 minor_version=$(echo AC_PACKAGE_VERSION | sed 's/^[[0-9]]*\.\([[0-9]]*\)\.[[0-9]]*.*$/\1/')
29 patchlevel_version=$(echo AC_PACKAGE_VERSION | sed 's/^[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\).*$/\1/')
30 AC_SUBST([MAJOR_VERSION], [$major_version])
31 AC_SUBST([MINOR_VERSION], [$minor_version])
32 AC_SUBST([PATCHLEVEL_VERSION], [$patchlevel_version])
33 AC_DEFINE_UNQUOTED([VERSION_MAJOR], $major_version, [UST major version number])
34 AC_DEFINE_UNQUOTED([VERSION_MINOR], $minor_version, [UST minor version number])
35 AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [UST patchlevel version number])
36
37
38 # Checks for programs.
39 AC_PROG_CC
40 AC_PROG_CXX
41 AC_PROG_MAKE_SET
42 LT_INIT
43
44 ## Checks for libraries.
45 AC_CHECK_LIB([dl], [dlopen])
46 AC_CHECK_LIB([pthread], [pthread_create])
47
48 # Check for libuuid
49 AC_CHECK_LIB([uuid], [uuid_generate],
50 [
51 AC_DEFINE_UNQUOTED([LTTNG_UST_HAVE_LIBUUID], 1, [Has libuuid support.])
52 have_libuuid=yes
53 ],
54 [
55 # libuuid not found, check for uuid_create in libc.
56 AC_CHECK_LIB([c], [uuid_create],
57 [
58 AC_DEFINE_UNQUOTED([LTTNG_UST_HAVE_LIBC_UUID], 1, [Has libc uuid support.])
59 have_libc_uuid=yes
60 ],
61 [
62 AC_MSG_ERROR([Cannot find libuuid uuid_generate nor libc uuid_create. Use [LDFLAGS]=-Ldir to specify its location.])
63 ])
64 ]
65 )
66 AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBUUID], [test "x$have_libuuid" = "xyes"])
67 AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_UUID], [test "x$have_libc_uuid" = "xyes"])
68
69 # Checks for header files.
70 #AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
71
72 # Checks for typedefs, structures, and compiler characteristics.
73 AC_C_INLINE
74 #AC_TYPE_INT16_T
75 #AC_TYPE_INT32_T
76 #AC_TYPE_INT64_T
77 #AC_TYPE_INT8_T
78 #AC_TYPE_PID_T
79 #AC_TYPE_SIZE_T
80 #AC_TYPE_SSIZE_T
81 #AC_TYPE_UINT16_T
82 #AC_TYPE_UINT32_T
83 #AC_TYPE_UINT64_T
84 #AC_TYPE_UINT8_T
85 #AC_CHECK_TYPES([ptrdiff_t])
86
87 # Checks for library functions.
88 AC_FUNC_MALLOC
89 AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
90
91 CFLAGS="-Wall $CFLAGS"
92
93 # Check for texinfo, required for building the documentation
94 # TODO: make this (and building the documentation) optional
95 AC_CHECK_PROG([TEXINFO], [makeinfo], [yes])
96 AS_IF([test "x$TEXINFO" != "xyes"],[
97 AC_MSG_ERROR([Please install the 'texinfo' program and make sure 'makeinfo' is in the PATH.])
98 ])
99
100 # URCU
101
102 # urcu - check if we just find the headers it out of the box.
103 AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
104 This error can also occur when the liburcu package's configure script has not been run.])])
105
106 AC_MSG_CHECKING([caa_likely()])
107 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
108 #include <urcu/compiler.h>
109 void fct(void)
110 {
111 if (caa_likely(1)) {
112 }
113 }
114 ]])],[
115 AC_MSG_RESULT([yes])
116 ],[
117 AC_MSG_RESULT([no])
118 AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
119
120 ])
121
122 # urcu - check that URCU lib is available to compilation
123 AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
124
125 # urcu - check that URCU lib is at least version 0.6
126 AC_CHECK_LIB([urcu-bp], [call_rcu_bp], [], [AC_MSG_ERROR([liburcu 0.6 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
127
128
129 # Check for various supplementary host information (beyond the
130 # triplet) which might affect the library format choices. E.g., we
131 # can be building with `i686-unknown-linux-gnu-gcc -m64'
132
133 case "${host}" in
134 changequote(,)dnl
135 i[34567]86-*-linux*)
136 changequote([,])dnl
137 AC_CACHE_CHECK([if building for x86-64], [ust_cv_i386_is_x86_64],
138 [save_CPPFLAGS="$CPPFLAGS"
139 CPPFLAGS="$CPPFLAGS $CFLAGS"
140 AC_EGREP_CPP([got it], [
141 #if __x86_64__
142 got it
143 #endif
144 ], [ust_cv_i386_is_x86_64=yes],
145 [ust_cv_i386_is_x86_64=no])
146 CPPFLAGS="$save_CPPFLAGS"])
147 ;;
148 esac
149
150 AC_MSG_CHECKING([library format for the host system])
151 case $host_cpu in
152 changequote(,)dnl
153 i[3456]86)
154 changequote([,])dnl
155 if test "$ust_cv_i386_is_x86_64" = yes ; then
156 LIBFORMAT="elf64-x86-64"
157 else
158 LIBFORMAT="elf32-i386"
159 fi
160 ;;
161 x86_64) LIBFORMAT="elf64-x86-64" ;;
162 powerpc) LIBFORMAT="elf32-powerpc" ;;
163 ppc64) LIBFORMAT="elf64-powerpc" ;;
164 powerpc64) LIBFORMAT="elf64-powerpc" ;;
165 s390) LIBFORMAT="elf32-s390"; NO_UNALIGNED_ACCESS=1 ;;
166 s390x) LIBFORMAT="elf64-s390"; NO_UNALIGNED_ACCESS=1 ;;
167 armv5) LIBFORMAT="elf32-littlearm"; NO_UNALIGNED_ACCESS=1 ;;
168 arm) LIBFORMAT="elf32-littlearm"; NO_UNALIGNED_ACCESS=1 ;;
169 mips*) LIBFORMAT=""; NO_UNALIGNED_ACCESS=1;;
170 *) AC_MSG_ERROR([unable to detect library format (unsupported architecture ($host_cpu)?)]) ;;
171 esac
172 AC_SUBST(LIBFORMAT)
173 AC_MSG_RESULT($LIBFORMAT)
174
175 if test "x$host_cpu" = "xarm" ; then
176 AC_MSG_CHECKING([checking for armv5])
177 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
178 #ifndef __ARM_ARCH_5TEJ__
179 #error "no arm5 here"
180 #endif
181 ]])],[
182 AC_MSG_RESULT([yes])
183 NO_UNALIGNED_ACCESS=1
184
185 ],[
186 AC_MSG_RESULT([no])
187
188 ])
189 fi
190 if test x$NO_UNALIGNED_ACCESS = x ; then
191 AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
192 fi
193
194 # Set compile flags to java include files if given
195 AC_ARG_WITH([java-jdk],
196 [AS_HELP_STRING([--with-java-jdk=DIR],[use the Java JDK in DIR. Ex : $JAVA_HOME.])],
197 [JAVA_JDK=$withval],
198 [JAVA_JDK=""]
199 )
200 AS_IF([test $JAVA_JDK],[
201 AS_IF([test -d $JAVA_JDK],[
202 AC_MSG_RESULT([using Java includes in $JAVA_SDK])
203 SUBDIRS=`find $JAVA_JDK/include -type d`
204 CPPFLAGS+=" "
205 CPPFLAGS+=`for x in $SUBDIRS; do echo -n "-I$x "; done`
206 CPPFLAGS+=" "
207 ],[
208 AC_MSG_ERROR(Unable to find Java include files in $JAVA_JDK)
209 ])
210 ])
211
212 # Check for JNI header files if requested
213 AC_ARG_WITH([jni-interface],
214 [AS_HELP_STRING([--with-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
215 [jni_interface=$withval],
216 [jni_interface=no]
217 )
218
219 AS_IF([test "x$jni_interface" = "xyes"],[
220 AC_CHECK_HEADERS([jni.h],[],[
221 AC_MSG_ERROR([missing jni.h
222 Make sure Sun Java, OpenJDK or GCJ is installed and that this header file exists in the system path.
223 Use the --with-java-jdk=DIR flag to point to your Java include files, or disable the JNI interface.])
224 ])
225 ])
226 AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
227
228 # sdt.h integration
229 AC_ARG_WITH([sdt],
230 [AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
231 [with_sdt=$withval],
232 [with_sdt="no"]
233 )
234
235 AS_IF([test "x$with_sdt" = "xyes"],[
236 AC_MSG_CHECKING([STAP_PROBEV()])
237 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
238 #define SDT_USE_VARIADIC
239 #include <sys/sdt.h>
240 void fct(void)
241 {
242 STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
243 }
244 ]])],[
245 AC_MSG_RESULT([yes])
246 AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
247 ],[
248 AC_MSG_RESULT([no])
249 AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
250 ])
251 ])
252
253 #currently disabled.
254 #tests/hello2/Makefile
255 #tests/basic/Makefile
256 #tests/simple_include/Makefile
257 #tests/snprintf/Makefile
258 #tests/test-nevents/Makefile
259 #tests/test-libustinstr-malloc/Makefile
260 #tests/dlopen/Makefile
261 #tests/same_line_marker/Makefile
262 #tests/trace_event/Makefile
263 #tests/tracepoint/Makefile
264 #tests/tracepoint/benchmark/Makefile
265 #tests/register_test/Makefile
266 #tests/libustctl_function_#tests/Makefile
267 #tests/exit-fast/Makefile
268 #tests/basic_long/Makefile
269
270 AC_CONFIG_FILES([
271 Makefile
272 doc/Makefile
273 doc/examples/Makefile
274 include/Makefile
275 include/lttng/ust-version.h
276 snprintf/Makefile
277 libringbuffer/Makefile
278 liblttng-ust-comm/Makefile
279 liblttng-ust/Makefile
280 liblttng-ust-ctl/Makefile
281 liblttng-ust-fork/Makefile
282 liblttng-ust-java/Makefile
283 liblttng-ust-libc-wrapper/Makefile
284 tools/Makefile
285 tests/Makefile
286 tests/hello/Makefile
287 tests/hello-static-lib/Makefile
288 tests/hello.cxx/Makefile
289 tests/demo/Makefile
290 tests/fork/Makefile
291 tests/ust-basic-tracing/Makefile
292 tests/ust-multi-test/Makefile
293 lttng-ust.pc
294 ])
295
296 AC_OUTPUT
297
298 # Report on the configuration options
299 AS_ECHO()
300 AS_ECHO("LTTng-UST will be built with the following options:")
301 AS_ECHO("Library format: $LIBFORMAT")
302
303 AS_ECHO()
304 AS_ECHO_N("Java support (JNI): ")
305 AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
306
307 AS_ECHO_N("sdt.h integration: ")
308 AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
309
310 AS_ECHO()
311 AS_ECHO("Type 'make' to compile.")
312
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