ABI: refuse non-matching ABI minor version on event registration
[lttng-ust.git] / configure.ac
index a08643ee7c11bba1138fb05a3a4cb2d51b51fe35..86bc4c7839d0bb4cce0b1ea1bb89f1b1d82848a5 100644 (file)
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([lttng-ust],[2.1.0],[mathieu dot desnoyers at efficios dot com])
+AC_INIT([lttng-ust],[2.7.5],[mathieu dot desnoyers at efficios dot com])
 
 # Following the numbering scheme proposed by libtool for the library version
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
@@ -12,13 +12,14 @@ AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0])
 
 # This is the library version of liblttng-ust-ctl, used internally by
 # liblttng-ust, lttng-sessiond, and lttng-consumerd.
-AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [1:0:0])
+AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [2:0:0])
 
 AC_CONFIG_AUX_DIR([config])
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
 AC_CONFIG_MACRO_DIR([config])
 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
+AM_MAINTAINER_MODE([enable])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
 
@@ -26,6 +27,7 @@ AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
 AC_CONFIG_HEADERS([config.h include/lttng/ust-config.h])
 AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
 AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
+AH_TEMPLATE([LTTNG_UST_HAVE_PERF_EVENT], [Perf event integration via perf_event.h])
 
 # Compute minor/major/patchlevel version numbers
 AC_PROG_SED
@@ -39,12 +41,15 @@ AC_DEFINE_UNQUOTED([VERSION_MAJOR], $major_version, [UST major version number])
 AC_DEFINE_UNQUOTED([VERSION_MINOR], $minor_version, [UST minor version number])
 AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [UST patchlevel version number])
 
-version_name="Basse Messe"
-version_description="Light coloured German ale whose style was named after the city Cologne (Koln) where it was first brewed. It is a rather simple beer with lightly fruity aromas and a delicate hoppy fragrance. The beer has a pronounced malty taste with a subtle bitter aftertaste"
+version_name="Herbe à Détourne"
+version_description='Brewed with unrestrained amounts of Citra hop, the Herbe à Détourne is a fantastic New World Tripel brewed by "Dieu du Ciel!". Aromas of mango, cantaloupe melon and passion fruit, combined with a controlled bitter finish, unite in making this smooth golden-orange beer stand apart.'
+version_description_c=$(echo $version_description | sed 's/"/\\"/g')
+
 AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], [UST version name])
-AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], [UST version description])
+AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description_c"], [UST version description])
 
 AC_PROG_GREP
+AC_PROG_LN_S
 # libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
 AC_ARG_ENABLE(libtool-linkdep-fixup,
        AS_HELP_STRING([--disable-libtool-linkdep-fixup],
@@ -83,12 +88,32 @@ AC_CACHE_CHECK([whether the C++ compiler works],
                [rw_cv_prog_cxx_works],
                [AC_LANG_PUSH([C++])
                AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
-                               [rw_cv_prog_cxx_works=yes],
+                               [check_cxx_designated_initializers=yes],
                                [rw_cv_prog_cxx_works=no])
+               if test "$check_cxx_designated_initializers" = "yes"; then
+                       AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+                               struct foo { int a; int b; };
+                               void fct(void)
+                               {
+                                       struct foo f = { .a = 0, .b = 1 };
+                               }
+                       ]])],[
+                               rw_cv_prog_cxx_works=yes
+                       ],[
+                               rw_cv_prog_cxx_works=no
+                       ])
+               fi
                AC_LANG_POP([C++])])
 
 AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
 
+# Check if the compiler support weak symbols
+AX_SYS_WEAK_ALIAS
+
+if test "x${ax_cv_sys_weak_alias}" = "xno"; then
+   AC_MSG_ERROR([Your platform doesn't support weak symbols.])
+fi
+
 ## Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen],
 [
@@ -109,6 +134,16 @@ AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
 
 AC_CHECK_LIB([pthread], [pthread_create])
 
+# Check for dlfcn.h
+AC_CHECK_HEADER([dlfcn.h])
+AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"],
+       [AC_CHECK_DECLS([RTLD_DI_LINKMAP],,,
+               [#define _GNU_SOURCE /* Required on Linux to get GNU extensions */
+               #include <dlfcn.h>])
+       ],
+       [ac_cv_have_decl_RTLD_DI_LINKMAP="no"])
+AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
+
 # Checks for header files.
 #AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
 
@@ -166,6 +201,28 @@ AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find lib
 # urcu - check that URCU lib is at least version 0.6
 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.])])
 
+# optional linux/perf_event.h
+AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
+
+# Perf event counters are only supported on x86 so far.
+AC_MSG_CHECKING([UST support for architecture perf event counters])
+case $host_cpu in
+changequote(,)dnl
+       i[3456]86)
+changequote([,])dnl
+       UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
+       x86_64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
+       amd64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
+       *) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=no;;
+esac
+AC_MSG_RESULT([$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS])
+
+AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"])
+
+if test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"; then
+AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
+fi
+
 AC_MSG_CHECKING([host system alignment requirements])
 case $host_cpu in
 changequote(,)dnl
@@ -176,53 +233,96 @@ changequote([,])dnl
        amd64) ;;
        powerpc) ;;
        ppc64) ;;
+       ppc64le) ;;
        powerpc64) ;;
+       powerpc64le) ;;
        s390) NO_UNALIGNED_ACCESS=1 ;;
        s390x) NO_UNALIGNED_ACCESS=1 ;;
         arm*) NO_UNALIGNED_ACCESS=1 ;;
+       aarch64) NO_UNALIGNED_ACCESS=1 ;;
        mips*) NO_UNALIGNED_ACCESS=1 ;;
        tile*) NO_UNALIGNED_ACCESS=1 ;;
-       *) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
+       *)
+               UNSUPPORTED_ARCH=1
+               NO_UNALIGNED_ACCESS=1
+               ;;
 esac
+AC_MSG_RESULT([$host_cpu])
 
 if test x$NO_UNALIGNED_ACCESS = x ; then
 AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
 fi
 
-# Set compile flags to java include files if given
-AC_ARG_WITH([java-jdk],
-       [AS_HELP_STRING([--with-java-jdk=DIR],[use the Java JDK in DIR. Ex : $JAVA_HOME.])],
-       [JAVA_JDK=$withval],
-       [JAVA_JDK=""]
-)
-AS_IF([test $JAVA_JDK],[
-       AS_IF([test -d $JAVA_JDK],[
-                AC_MSG_RESULT([using Java includes in $JAVA_SDK])
-                SUBDIRS=`find $JAVA_JDK/include -type d`
-               CPPFLAGS+=" "
-                CPPFLAGS+=`for x in $SUBDIRS; do echo -n "-I$x "; done`
-               CPPFLAGS+=" "
-        ],[
-                AC_MSG_ERROR(Unable to find Java include files in $JAVA_JDK)
-        ])
-])
-
 # Check for JNI header files if requested
-AC_ARG_WITH([jni-interface],
-       [AS_HELP_STRING([--with-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
-       [jni_interface=$withval],
+AC_ARG_ENABLE([jni-interface],
+       [AS_HELP_STRING([--enable-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
+       [jni_interface=$enableval],
        [jni_interface=no]
 )
 
-AS_IF([test "x$jni_interface" = "xyes"],[
-        AC_CHECK_HEADERS([jni.h],[],[
-        AC_MSG_ERROR([missing jni.h
-Make sure Sun Java, OpenJDK or GCJ is installed and that this header file exists in the system path.
-Use the --with-java-jdk=DIR flag to point to your Java include files, or disable the JNI interface.])
-       ])
-])
 AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
 
+
+AC_ARG_ENABLE([java-agent-jul],
+       [AS_HELP_STRING([--enable-java-agent-jul],[build the LTTng UST Java agent with JUL support [default=no]])],
+       [java_agent_jul=$enableval],
+       [java_agent_jul=no]
+)
+
+AC_ARG_ENABLE([java-agent-log4j],
+       [AS_HELP_STRING([--enable-java-agent-log4j],[build the LTTng UST Java agent with Log4j support [default=no]])],
+       [java_agent_log4j=$enableval],
+       [java_agent_log4j=no]
+)
+
+AC_ARG_ENABLE([java-agent-all],
+       [AS_HELP_STRING([--enable-java-agent-all],[build the LTTng UST Java agent with all supported backends [default=no]])],
+       [java_agent_jul=$enableval
+        java_agent_log4j=$enableval],
+       [:]
+)
+
+
+AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"])
+AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
+AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
+
+if test "x$jni_interface" = "xyes" || test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"; then
+  AX_JAVA_OPTIONS
+  AX_PROG_JAVAC
+  AX_PROG_JAVA
+  AX_PROG_JAR
+
+  AX_JNI_INCLUDE_DIR
+  for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
+  do
+       CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR"
+  done
+
+  AX_PROG_JAVAH
+fi
+
+if test "x$java_agent_log4j" = "xyes"; then
+  AX_CHECK_CLASSPATH
+
+  AX_CHECK_CLASS(org.apache.log4j.Logger)
+
+  if test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"; then
+     AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
+  fi
+fi
+
+# Option to build the python agent
+AC_ARG_ENABLE([python-agent],
+       [AS_HELP_STRING([--enable-python-agent],[build the LTTng UST Python agent [default=no]])],
+    [python_agent=$enableval],
+       [:]
+)
+AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
+if test "x$python_agent" = "xyes"; then
+       AM_PATH_PYTHON([2.7])
+fi
+
 # sdt.h integration
 AC_ARG_WITH([sdt],
        [AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
@@ -248,22 +348,26 @@ AS_IF([test "x$with_sdt" = "xyes"],[
        ])
 ])
 
-#currently disabled.
-       #tests/hello2/Makefile
-       #tests/basic/Makefile
-       #tests/simple_include/Makefile
-       #tests/snprintf/Makefile
-       #tests/test-nevents/Makefile
-       #tests/test-libustinstr-malloc/Makefile
-       #tests/dlopen/Makefile
-       #tests/same_line_marker/Makefile
-       #tests/trace_event/Makefile
-       #tests/tracepoint/Makefile
-       #tests/tracepoint/benchmark/Makefile
-       #tests/register_test/Makefile
-       #tests/libustctl_function_#tests/Makefile
-       #tests/exit-fast/Makefile
-       #tests/basic_long/Makefile
+AC_MSG_CHECKING([whether shared libraries are enabled])
+AS_IF([test "x$enable_shared" = "xyes"],
+       [
+               AC_MSG_RESULT([yes])
+       ],
+       [
+               AC_MSG_RESULT([no])
+               AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
+       ])
+
+AC_ARG_WITH([lttng-system-rundir],
+       AS_HELP_STRING([--with-lttng-system-rundir],
+       [Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
+       [lttng_system_rundir="$withval"],
+       [lttng_system_rundir="/var/run/lttng"])
+AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
+       [LTTng system runtime directory])
+
+AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES],[python],["yes"])
+AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES], [Build examples requiring lttng-gen-tp])
 
 AC_CONFIG_FILES([
        Makefile
@@ -277,21 +381,37 @@ AC_CONFIG_FILES([
        liblttng-ust/Makefile
        liblttng-ust-ctl/Makefile
        liblttng-ust-fork/Makefile
+       liblttng-ust-dl/Makefile
        liblttng-ust-java/Makefile
+       liblttng-ust-java-agent/Makefile
+       liblttng-ust-java-agent/java/Makefile
+       liblttng-ust-java-agent/jni/Makefile
+       liblttng-ust-java-agent/jni/jul/Makefile
+       liblttng-ust-java-agent/jni/log4j/Makefile
        liblttng-ust-libc-wrapper/Makefile
        liblttng-ust-cyg-profile/Makefile
+       liblttng-ust-python-agent/Makefile
+       liblttng-ust-python-agent/setup.py
+       liblttng-ust-python-agent/lttngust/__init__.py
        tools/Makefile
        tests/Makefile
        tests/hello/Makefile
-       tests/hello-static-lib/Makefile
        tests/hello.cxx/Makefile
-       tests/daemon/Makefile
-       tests/fork/Makefile
-       tests/ust-basic-tracing/Makefile
-       tests/ust-multi-test/Makefile
+       tests/same_line_tracepoint/Makefile
+       tests/snprintf/Makefile
+       tests/benchmark/Makefile
+       tests/utils/Makefile
        lttng-ust.pc
 ])
 
+# Create link for python agent for the VPATH guru.
+AC_CONFIG_LINKS([
+       liblttng-ust-python-agent/lttngust/agent.py:liblttng-ust-python-agent/lttngust/agent.py
+       liblttng-ust-python-agent/lttngust/cmd.py:liblttng-ust-python-agent/lttngust/cmd.py
+       liblttng-ust-python-agent/lttngust/debug.py:liblttng-ust-python-agent/lttngust/debug.py
+       liblttng-ust-python-agent/lttngust/loghandler.py:liblttng-ust-python-agent/lttngust/loghandler.py
+])
+
 AC_OUTPUT
 
 AS_ECHO()
@@ -303,12 +423,27 @@ AS_ECHO()
 AS_ECHO("LTTng-UST will be built with the following options:")
 
 AS_ECHO()
-AS_ECHO_N("Java support (JNI): ")
+
+AS_ECHO_N("Java agent (JUL support): ")
+AS_IF([test "x$java_agent_jul" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
+
+AS_ECHO_N("Java agent (Log4j support): ")
+AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
+
+AS_ECHO_N("JNI interface (JNI): ")
 AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
 
-AS_ECHO_N("sdt.h integration:  ")
+AS_ECHO_N("Python ($PYTHON) agent: ")
+AS_IF([test "x$python_agent" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
+
+AS_ECHO_N("sdt.h integration: ")
 AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
 
+AS_ECHO("Architecture: $host_cpu")
+AS_ECHO_N("Efficient unaligned memory access: ")
+AS_IF([test "x$NO_UNALIGNED_ACCESS" != "x1"], [AS_ECHO("yes")], [AS_IF([test "x$UNSUPPORTED_ARCH" != "x1"], [AS_ECHO("no")], [AS_ECHO("unknown")])])
+AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"], [AC_MSG_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access])])
 AS_ECHO()
+
 AS_ECHO("Type 'make' to compile.")
 
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