Version 2.4.4
[lttng-ust.git] / configure.ac
index 79c33ff395896101319c4961e5d975f60c747d7e..939cf3458b0a9ed2bdd81371061376ba752f4696 100644 (file)
@@ -1,14 +1,19 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([lttng-ust],[2.0.1],[mathieu dot desnoyers at efficios dot com])
+AC_INIT([lttng-ust],[2.4.4],[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
+# This is the library version of liblttng-ust.
 AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0])
 # note: remember to update tracepoint.h dlopen() to match this version
 # number. TODO: eventually automate by exporting the major number.
 
+# 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], [2:0:0])
+
 AC_CONFIG_AUX_DIR([config])
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
@@ -34,8 +39,9 @@ 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="Annedd'ale"
-version_description="New type of beer, 100% from Quebec, flavored with sapin beaumier needles, with a touch of hops."
+version_name="Époque Opaque"
+version_description="The Époque Opaque is a black IPA from Trou du Diable brewery. The nose is eerily reminiscent of the coffee crisp candy from of our childhood. These strong mocha accents are present on the palate, which are quickly subdued by Japanese and Australian hops leading to a final state of satisfaction enjoyable for any fan of bitter beer."
+
 AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], [UST version name])
 AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], [UST version description])
 
@@ -64,12 +70,46 @@ AS_IF([test "x$libtool_fixup" = "xyes"],
                  ])
            ])
 
+AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
+
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_MAKE_SET
 LT_INIT
 
+# rw_PROG_CXX_WORKS
+# Check whether the C++ compiler works.
+AC_CACHE_CHECK([whether the C++ compiler works],
+               [rw_cv_prog_cxx_works],
+               [AC_LANG_PUSH([C++])
+               AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+                               [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${ax_cv_sys_weak_alias}" = "xno"; then
+   AC_MSG_ERROR([Your platform doesn't support weak symbols.])
+fi
+
 ## Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen],
 [
@@ -90,26 +130,15 @@ AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
 
 AC_CHECK_LIB([pthread], [pthread_create])
 
-# Check for libuuid
-AC_CHECK_LIB([uuid], [uuid_generate],
-[
-       AC_DEFINE_UNQUOTED([LTTNG_UST_HAVE_LIBUUID], 1, [Has libuuid support.])
-       have_libuuid=yes
-],
-[
-       # libuuid not found, check for uuid_create in libc.
-       AC_CHECK_LIB([c], [uuid_create],
-       [
-               AC_DEFINE_UNQUOTED([LTTNG_UST_HAVE_LIBC_UUID], 1, [Has libc uuid support.])
-               have_libc_uuid=yes
+# Check for dlfcn.h
+AC_CHECK_HEADER([dlfcn.h])
+AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"],
+       [AC_CHECK_DECLS([RTLD_DI_LINKMAP],,,
+               [#define _GNU_SOURCE /* Required on Linux to get GNU extensions */
+               #include <dlfcn.h>])
        ],
-       [
-               AC_MSG_ERROR([Cannot find libuuid uuid_generate nor libc uuid_create. Use [LDFLAGS]=-Ldir to specify their location.])
-       ])
-]
-)
-AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBUUID], [test "x$have_libuuid" = "xyes"])
-AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_UUID], [test "x$have_libc_uuid" = "xyes"])
+       [ac_cv_have_decl_RTLD_DI_LINKMAP="no"])
+AM_CONDITIONAL([HAVE_DLINFO], [test "x${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])
@@ -168,69 +197,26 @@ 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.])])
 
-
-# Check for various supplementary host information (beyond the
-# triplet) which might affect the library format choices.  E.g., we
-# can be building with `i686-unknown-linux-gnu-gcc -m64'
-
-case "${host}" in
-changequote(,)dnl
-  i[34567]86-*-linux*)
-changequote([,])dnl
-    AC_CACHE_CHECK([if building for x86-64], [ust_cv_i386_is_x86_64],
-                    [save_CPPFLAGS="$CPPFLAGS"
-                    CPPFLAGS="$CPPFLAGS $CFLAGS"
-                    AC_EGREP_CPP([got it], [
-#if __x86_64__
-got it
-#endif
-                 ], [ust_cv_i386_is_x86_64=yes],
-                    [ust_cv_i386_is_x86_64=no])
-                    CPPFLAGS="$save_CPPFLAGS"])
-    ;;
-esac
-
-AC_MSG_CHECKING([library format for the host system])
+AC_MSG_CHECKING([host system alignment requirements])
 case $host_cpu in
 changequote(,)dnl
        i[3456]86)
 changequote([,])dnl
-         if test "$ust_cv_i386_is_x86_64" = yes ; then
-            LIBFORMAT="elf64-x86-64"
-         else
-            LIBFORMAT="elf32-i386"
-         fi
          ;;
-       x86_64) LIBFORMAT="elf64-x86-64" ;;
-       amd64) LIBFORMAT="elf64-x86-64" ;;
-       powerpc) LIBFORMAT="elf32-powerpc" ;;
-       ppc64) LIBFORMAT="elf64-powerpc" ;;
-       powerpc64) LIBFORMAT="elf64-powerpc" ;;
-       s390) LIBFORMAT="elf32-s390"; NO_UNALIGNED_ACCESS=1 ;;
-       s390x) LIBFORMAT="elf64-s390"; NO_UNALIGNED_ACCESS=1 ;;
-        armv5) LIBFORMAT="elf32-littlearm"; NO_UNALIGNED_ACCESS=1 ;;
-       arm) LIBFORMAT="elf32-littlearm"; NO_UNALIGNED_ACCESS=1 ;;
-       mips*) LIBFORMAT=""; NO_UNALIGNED_ACCESS=1;;
-       *) AC_MSG_ERROR([unable to detect library format (unsupported architecture ($host_cpu)?)]) ;;
+       x86_64) ;;
+       amd64) ;;
+       powerpc) ;;
+       ppc64) ;;
+       powerpc64) ;;
+       s390) NO_UNALIGNED_ACCESS=1 ;;
+       s390x) NO_UNALIGNED_ACCESS=1 ;;
+        arm*) NO_UNALIGNED_ACCESS=1 ;;
+       mips*) NO_UNALIGNED_ACCESS=1 ;;
+       tile*) NO_UNALIGNED_ACCESS=1 ;;
+       *) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
 esac
-AC_SUBST(LIBFORMAT)
-AC_MSG_RESULT($LIBFORMAT)
+AC_MSG_RESULT([$host_cpu])
 
-if test "x$host_cpu" = "xarm" ; then
-AC_MSG_CHECKING([checking for armv5])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#ifndef __ARM_ARCH_5TEJ__
-#error "no arm5 here"
-#endif
-]])],[
-       AC_MSG_RESULT([yes])
-       NO_UNALIGNED_ACCESS=1
-
-],[
-       AC_MSG_RESULT([no])
-
-])
-fi
 if test x$NO_UNALIGNED_ACCESS = x ; then
 AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
 fi
@@ -241,6 +227,9 @@ AC_ARG_WITH([java-jdk],
        [JAVA_JDK=$withval],
        [JAVA_JDK=""]
 )
+AM_CONDITIONAL([HAVE_JAVA_JDK], [test $JAVA_JDK], [Java JDK path])
+AC_SUBST([JAVA_JDK])
+
 AS_IF([test $JAVA_JDK],[
        AS_IF([test -d $JAVA_JDK],[
                 AC_MSG_RESULT([using Java includes in $JAVA_SDK])
@@ -264,7 +253,7 @@ AS_IF([test "x$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.])
+Use the --with-java-jdk=DIR option to point to your JDK directory, or disable the JNI interface.])
        ])
 ])
 AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
@@ -294,22 +283,29 @@ AS_IF([test "x$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], ["$lttng_system_rundir"],
+       [LTTng system runtime directory])
+
+lttnglibjavadir="${libdir}/lttng/java"
+AC_SUBST(lttnglibjavadir)
+
+AM_PATH_PYTHON([2.7],BUILD_GEN_TP_EXAMPLES=1,[:])
+AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES], [Build examples requiring lttng-gen-tp])
 
 AC_CONFIG_FILES([
        Makefile
@@ -323,17 +319,20 @@ AC_CONFIG_FILES([
        liblttng-ust/Makefile
        liblttng-ust-ctl/Makefile
        liblttng-ust-fork/Makefile
+       liblttng-ust-dl/Makefile
        liblttng-ust-java/Makefile
+       liblttng-ust-jul/Makefile
        liblttng-ust-libc-wrapper/Makefile
+       liblttng-ust-cyg-profile/Makefile
        tools/Makefile
        tests/Makefile
        tests/hello/Makefile
-       tests/hello-static-lib/Makefile
        tests/hello.cxx/Makefile
-       tests/demo/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
+       tests/java-jul/Makefile
        lttng-ust.pc
 ])
 
@@ -346,7 +345,6 @@ AS_ECHO("$version_description")
 # Report on the configuration options
 AS_ECHO()
 AS_ECHO("LTTng-UST will be built with the following options:")
-AS_ECHO("Library format: $LIBFORMAT")
 
 AS_ECHO()
 AS_ECHO_N("Java support (JNI): ")
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