Fix linking failure when cross-compiling
[lttng-ust.git] / configure.ac
index 0066a6673143459a8cbfae7b82145ca0e7c3cf8d..1b3796579404afc3b54037ef30d8a07b0f029feb 100644 (file)
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([lttng-ust],[2.1.0-rc2],[mathieu dot desnoyers at efficios dot com])
+AC_INIT([lttng-ust],[2.4.1],[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
@@ -12,7 +12,7 @@ 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
@@ -39,8 +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="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="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])
 
@@ -77,6 +78,31 @@ 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"])
+
 ## Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen],
 [
@@ -97,26 +123,15 @@ 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])
@@ -189,9 +204,11 @@ changequote([,])dnl
        s390) NO_UNALIGNED_ACCESS=1 ;;
        s390x) NO_UNALIGNED_ACCESS=1 ;;
         arm*) NO_UNALIGNED_ACCESS=1 ;;
-       mips*) NO_UNALIGNED_ACCESS=1;;
+       mips*) NO_UNALIGNED_ACCESS=1 ;;
+       tile*) NO_UNALIGNED_ACCESS=1 ;;
        *) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
 esac
+AC_MSG_RESULT([$host_cpu])
 
 if test x$NO_UNALIGNED_ACCESS = x ; then
 AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
@@ -203,6 +220,9 @@ AC_ARG_WITH([java-jdk],
        [JAVA_JDK=$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 $JAVA_SDK])
@@ -256,22 +276,29 @@ AS_IF([test "x$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
@@ -285,18 +312,20 @@ 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/daemon/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
 ])
 
@@ -309,7 +338,6 @@ 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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