X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=configure.ac;h=998981ac1ec90bed41f74f189027761428baa0be;hb=49f89ab88581214568d650d670ec6ae82a0c407f;hp=2e47441583ae72d6ee2a26179c03f8e0aacd261a;hpb=222fa4532b6f8c0f0be4e3781a16a90efbd52a59;p=lttng-ust.git

diff --git a/configure.ac b/configure.ac
index 2e474415..998981ac 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,39 +1,44 @@
-dnl Version infos
-m4_define([V_MAJOR], [2])
-m4_define([V_MINOR], [13])
-m4_define([V_PATCH], [0])
-m4_define([V_EXTRA], [pre])
-m4_define([V_NAME], [[Codename TBD]])
-m4_define([V_DESC], [[Description TBD]])
-
-m4_define([V_STRING], [V_MAJOR.V_MINOR.V_PATCH])
-m4_ifdef([V_EXTRA], [m4_append([V_STRING], [-V_EXTRA])])
-
-AC_PREREQ(2.59)
-AC_INIT([lttng-ust], V_STRING, [mathieu dot desnoyers at efficios dot com], [], [https://lttng.org])
-
-dnl Substitute minor/major/patchlevel version numbers
-AC_SUBST([MAJOR_VERSION], [V_MAJOR])
-AC_SUBST([MINOR_VERSION], [V_MINOR])
-AC_SUBST([PATCHLEVEL_VERSION], [V_PATCH])
+dnl SPDX-License-Identifier: LGPL-2.1-only
+dnl
+dnl Copyright (C) 2021 EfficiOS, Inc.
+dnl
+dnl Process this file with autoconf to produce a configure script.
+
+
+# Project version information
+m4_define([ust_version_major], [2])
+m4_define([ust_version_minor], [13])
+m4_define([ust_version_patch], [0])
+m4_define([ust_version_dev_stage], [-pre])
+m4_define([ust_version], ust_version_major[.]ust_version_minor[.]ust_version_patch[]ust_version_dev_stage)
+m4_define([ust_version_name], [[Codename TBD]])
+m4_define([ust_version_description], [[Description TBD]])
+
+# Library version information of "liblttng-ust"
+# Following the numbering scheme proposed by libtool for the library version
+# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
+m4_define([ust_lib_version_current], [1])
+m4_define([ust_lib_version_revision], [0])
+m4_define([ust_lib_version_age], [0])
+m4_define([ust_lib_version], ust_lib_version_current[:]ust_lib_version_revision[:]ust_lib_version_age)
 
+# Library version information of "liblttng-ust-ctl"
 # 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.
-m4_define([UST_LIB_V_MAJOR], [0])
-m4_define([UST_LIB_V_MINOR], [0])
-m4_define([UST_LIB_V_PATCH], [0])
+m4_define([ust_ctl_lib_version_current], [5])
+m4_define([ust_ctl_lib_version_revision], [0])
+m4_define([ust_ctl_lib_version_age], [0])
+m4_define([ust_ctl_lib_version], ust_ctl_lib_version_current[:]ust_ctl_lib_version_revision[:]ust_ctl_lib_version_age)
+
 
-AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [UST_LIB_V_MAJOR:UST_LIB_V_MINOR:UST_LIB_V_PATCH])
-AC_DEFINE([CONFIG_LTTNG_UST_LIBRARY_VERSION_MAJOR], [UST_LIB_V_MAJOR], [Major SONAME number of the ust library])
-# note: remember to update tracepoint.h dlopen() to match this version
-# number. TODO: eventually automate by exporting the major number.
+##                     ##
+## Autoconf base setup ##
+##                     ##
 
-# 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], [4:0:0])
+AC_PREREQ([2.69])
+AC_INIT([lttng-ust],[ust_version],[mathieu dot desnoyers at efficios dot com],[],[https://lttng.org])
 
-AC_CONFIG_HEADERS([config.h include/lttng/ust-config.h])
+AC_CONFIG_HEADERS([include/config.h include/lttng/ust-config.h include/lttng/ust-version.h])
 AC_CONFIG_AUX_DIR([config])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
@@ -41,66 +46,128 @@ AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
 
-AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar])
+
+##                     ##
+## Automake base setup ##
+##                     ##
+
+AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc -Wall -Wno-portability -Werror])
 AM_MAINTAINER_MODE([enable])
 
-# Enable silent rules if available (Introduced in AM 1.11)
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+# Enable silent rules by default
+AM_SILENT_RULES([yes])
 
-AC_REQUIRE_AUX_FILE([tap-driver.sh])
 
-# Checks for C compiler
+##                   ##
+## C compiler checks ##
+##                   ##
+
+# Choose the C compiler
+AC_PROG_CC
+# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
+m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
+
+# Make sure the C compiler supports C99
+AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
+
+# Enable available system extensions and LFS support
 AC_USE_SYSTEM_EXTENSIONS
 AC_SYS_LARGEFILE
-AC_PROG_CC
-AC_PROG_CC_STDC
-AC_PROG_CXX
-AX_CXX_COMPILE_STDCXX([11])
-RW_PROG_CXX_WORKS
-AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
 
-# Check if the compiler support weak symbols
+# Make sure the C compiler supports __attribute__
+AX_C___ATTRIBUTE__
+AS_IF([test "x$ax_cv___attribute__" != "xyes"],
+  [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
+
+# Make sure we have pthread support
+AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
+
+# Make sure the C compiler supports weak symbols
 AX_SYS_WEAK_ALIAS
+AS_IF([test "x$ax_cv_sys_weak_alias" = "xno"],
+  [AC_MSG_ERROR([Your platform doesn't support weak symbols.])])
 
-AS_IF([test "x${ax_cv_sys_weak_alias}" = "xno"], [
-	AC_MSG_ERROR([Your platform doesn't support weak symbols.])
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_INLINE
+AC_C_TYPEOF
+AC_TYPE_INT16_T
+AC_TYPE_INT32_T
+AC_TYPE_INT64_T
+AC_TYPE_INT8_T
+AC_TYPE_MODE_T
+AC_TYPE_OFF_T
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+AC_TYPE_UID_T
+AC_TYPE_UINT16_T
+AC_TYPE_UINT32_T
+AC_TYPE_UINT64_T
+AC_TYPE_UINT8_T
+AC_CHECK_TYPES([ptrdiff_t])
+
+
+##                     ##
+## C++ compiler checks ##
+##                     ##
+
+# Find an optional C++11 compiler without GNU extensions (-std=c++11)
+AX_CXX_COMPILE_STDCXX([11], [noext], [optional])
+AM_CONDITIONAL([HAVE_CXX], [test "$HAVE_CXX11" = "1"])
+
+
+##               ##
+## Header checks ##
+##               ##
+
+AC_HEADER_STDBOOL
+AC_CHECK_HEADERS([ \
+  arpa/inet.h \
+  dlfcn.h \
+  fcntl.h \
+  float.h \
+  limits.h \
+  linux/perf_event.h \
+  locale.h \
+  stddef.h \
+  sys/socket.h \
+  sys/time.h \
+  wchar.h \
+])
+
+# Check for dlinfo() by testing for RTLD_DI_LINKMAP in dlfcn.h
+AS_IF([test "x$ac_cv_header_dlfcn_h" = "xyes"], [
+  AC_CHECK_DECL([RTLD_DI_LINKMAP], [], [], [[#include <dlfcn.h>]])
 ])
 
-# Checks for programs.
+
+##                 ##
+## Programs checks ##
+##                 ##
+
 AM_PROG_AR
 AC_PROG_SED
 AC_PROG_GREP
 AC_PROG_LN_S
 AC_PROG_MKDIR_P
 AC_PROG_MAKE_SET
-AC_CHECK_PROG([HAVE_CMAKE], [cmake], ["yes"])
-AM_CONDITIONAL([HAVE_CMAKE], [test "x$HAVE_CMAKE" = "xyes"])
+AC_CHECK_PROGS([ASCIIDOC], [asciidoc])
+AC_CHECK_PROGS([CMAKE], [cmake])
+AC_CHECK_PROGS([FOLD], [fold])
+AC_CHECK_PROGS([XMLTO], [xmlto])
 
-# 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], [disable the libtool fixup for linking all dependent libraries (link_all_deplibs)])
-], [
-	libtool_fixup=$enableval
-], [
-	libtool_fixup=yes
-])
+AM_PATH_PYTHON([2.7], [], [PYTHON=""])
 
-AS_IF([test "x$libtool_fixup" = "xyes"], [
-	libtool_m4="$srcdir/m4/libtool.m4"
-	libtool_flag_pattern=".*link_all_deplibs\s*,\s*\$1\s*)"
-	AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
-	libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s*=\s*no" $libtool_m4)
+AX_PROG_JAVAC
+AX_PROG_JAVA
+AX_PROG_JAR
 
-	AS_IF([test $libtool_flag_pattern_count -ne 0], [
-	AC_MSG_RESULT([$libtool_flag_pattern_count])
-	AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
-		$SED -i "s/\($libtool_flag_pattern\)\s*=\s*no/\1=unknown/g" $libtool_m4
-	], [
-		AC_MSG_RESULT([none])
-	])
-])
+# Initialize and configure libtool
 LT_INIT([disable-static])
 
+
+AM_CONDITIONAL([HAVE_CMAKE], [test "x$CMAKE" != "x"])
+
 AC_MSG_CHECKING([whether shared libraries are enabled])
 AS_IF([test "x$enable_shared" = "xyes"], [
 	AC_MSG_RESULT([yes])
@@ -109,29 +176,6 @@ AS_IF([test "x$enable_shared" = "xyes"], [
 	AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
 ])
 
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_INLINE
-AC_TYPE_INT8_T
-AC_TYPE_INT16_T
-AC_TYPE_INT32_T
-AC_TYPE_INT64_T
-AC_TYPE_MODE_T
-AC_TYPE_OFF_T
-AC_TYPE_PID_T
-AC_TYPE_SIZE_T
-AC_TYPE_SSIZE_T
-AC_TYPE_UID_T
-AC_TYPE_UINT8_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT64_T
-AC_CHECK_TYPES([ptrdiff_t])
-
-AX_C___ATTRIBUTE__
-AS_IF([test "x$ax_cv___attribute__" = "xyes"],
-	[:],
-	[AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
-
 # Checks for library functions.
 AC_FUNC_CHOWN
 AC_FUNC_FORK
@@ -158,26 +202,17 @@ AC_CHECK_FUNCS([ \
 	strdup \
 	strerror \
 	strtol \
+	strtoul \
 	sysconf \
 ])
 
+# Check for pthread_setname_np and its signature
+LTTNG_PTHREAD_SETNAME_NP
+LTTNG_PTHREAD_GETNAME_NP
+
 # AC_FUNC_MALLOC causes problems when cross-compiling.
 #AC_FUNC_MALLOC
 
-# Checks for header files.
-AC_HEADER_STDBOOL
-AC_CHECK_HEADERS([ \
-	arpa/inet.h \
-	fcntl.h \
-	float.h \
-	limits.h \
-	locale.h \
-	stddef.h \
-	sys/socket.h \
-	sys/time.h \
-	wchar.h \
-])
-
 # Set architecture specific options
 AS_CASE([$host_cpu],
 	[i[[3456]]86], [],
@@ -188,24 +223,25 @@ AS_CASE([$host_cpu],
 	[ppc64le], [],
 	[powerpc64], [],
 	[powerpc64le], [],
-	[s390], [NO_UNALIGNED_ACCESS=1],
-	[s390x], [NO_UNALIGNED_ACCESS=1],
+	[s390], [],
+	[s390x], [],
 	[arm*], [
-		NO_UNALIGNED_ACCESS=1
 		NO_NUMA=1
 		],
-	[aarch64*], [NO_UNALIGNED_ACCESS=1],
-	[mips*], [NO_UNALIGNED_ACCESS=1],
-	[tile*], [NO_UNALIGNED_ACCESS=1],
+	[aarch64*], [],
+	[mips*], [],
+	[tile*], [],
 	[
 		UNSUPPORTED_ARCH=1
-		NO_UNALIGNED_ACCESS=1
 	])
 
+# Set os specific options
+AS_CASE([$host_os],
+	[freebsd*], [NO_NUMA=1]
+)
+
 # Configuration options, which will be installed in the 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])
 
 # Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen], [
@@ -228,68 +264,10 @@ AC_CHECK_LIB([$libdl_name], [dlmopen],
 	[AC_DEFINE([HAVE_DLMOPEN], [1])]
 )
 
-AC_CHECK_LIB([pthread], [pthread_create])
-AC_CHECK_LIB([pthread], [pthread_setname_np],
-	AC_DEFINE([HAVE_PTHREAD_SETNAME_NP], [1], [Define to 1 if pthread_setname_np is available.]),
-	AC_CHECK_LIB([pthread], [pthread_set_name_np],
-		AC_DEFINE([HAVE_PTHREAD_SET_NAME_NP], [1], [Define to 1 if pthread_set_name_np is available.]),
-		AC_MSG_RESULT([pthread setname/set_name not found.])))
-
-# 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"])
-
-# URCU
-
-AC_MSG_CHECKING([DEFINE_URCU_TLS_INIT()])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-	#include <urcu/tls-compat.h>
-	DEFINE_URCU_TLS_INIT(int, a, 1);
-]])], [
-	AC_MSG_RESULT([yes])
-], [
-	AC_MSG_RESULT([no])
-	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.12.0 or better])
-])
-
-# urcu - check if we just find the headers it out of the box.
-AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
-This error can also occur when the liburcu package's configure script has not been run.])])
-
-# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
-# Part of Userspace RCU library 0.7.2 or better.
-AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
-liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
-
-AC_MSG_CHECKING([caa_likely()])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-	#include <urcu/compiler.h>
-	void fct(void)
-	{
-		if (caa_likely(1)) {
-		}
-	}
-]])], [
-	AC_MSG_RESULT([yes])
-], [
-	AC_MSG_RESULT([no])
-	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
-])
-
-# urcu - check that URCU lib is available to compilation
-AC_CHECK_LIB([urcu-bp], [urcu_bp_synchronize_rcu], [], [AC_MSG_ERROR([Cannot find liburcu-bp 0.11 or newer. Use [LDFLAGS]=-Ldir to specify its location.])])
+AM_CONDITIONAL([ENABLE_UST_DL], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
 
-# urcu - check that URCU lib is at least version 0.11
-AC_CHECK_LIB([urcu-bp], [urcu_bp_call_rcu], [], [AC_MSG_ERROR([liburcu 0.11 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
+# Require URCU >= 0.12 for DEFINE_URCU_TLS_INIT
+PKG_CHECK_MODULES([URCU], [liburcu >= 0.12])
 
 # numa.h integration
 AS_IF([test "x$NO_NUMA" = "x1"],[
@@ -310,22 +288,9 @@ AS_IF([test "x$enable_numa" = "xyes"], [
 [AC_MSG_ERROR([libnuma is not available. Please either install it (e.g. libnuma-dev) or use [LDFLAGS]=-Ldir to specify the right location, or use --disable-numa configure argument to disable NUMA support.])])
 	have_libnuma=yes
 ])
-AM_CONDITIONAL([HAVE_LIBNUMA], [test "x$have_libnuma" = "xyes"])
+AM_CONDITIONAL([ENABLE_NUMA], [test "x$have_libnuma" = "xyes"])
 
-# optional linux/perf_event.h
-AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
-
-# Perf event counters are supported on all architectures supported by
-# perf, using the read system call as fallback.
-AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes"])
-
-AS_IF([test "x$have_perf_event" = "xyes"], [
-	AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
-])
-
-AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [
-	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
-])
+AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$ac_cv_header_linux_perf_event_h" = "xyes"])
 
 # Check for JNI header files if requested
 AC_ARG_ENABLE([jni-interface], [
@@ -336,7 +301,7 @@ AS_HELP_STRING([--enable-jni-interface], [build JNI interface between C and Java
 	jni_interface=no
 ])
 
-AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
+AM_CONDITIONAL([ENABLE_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
 
 
 AC_ARG_ENABLE([java-agent-jul], [
@@ -362,15 +327,12 @@ AS_HELP_STRING([--enable-java-agent-all], [build the LTTng UST Java agent with a
 	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"])
+AM_CONDITIONAL([ENABLE_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"])
+AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
+AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
 
 AS_IF([test "x$jni_interface" = "xyes" || test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"], [
 	AX_JAVA_OPTIONS
-	AX_PROG_JAVAC
-	AX_PROG_JAVA
-	AX_PROG_JAR
 	AC_ARG_VAR([CLASSPATH], [Java class path])
 
 	AX_JNI_INCLUDE_DIR
@@ -401,10 +363,7 @@ AS_HELP_STRING([--enable-python-agent], [build the LTTng UST Python agent [defau
 ], [
 	python_agent=$enableval
 ], [:])
-AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
-AS_IF([test "x$python_agent" = "xyes"], [
-	AM_PATH_PYTHON([2.7])
-])
+AM_CONDITIONAL([ENABLE_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
 
 # sdt.h integration
 AC_ARG_WITH([sdt], [
@@ -443,8 +402,7 @@ AS_HELP_STRING([--with-lttng-system-rundir], [Location of the system directory w
 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 "x$BUILD_GEN_TP_EXAMPLES" = "xyes"])
+AM_CONDITIONAL([ENABLE_GEN_TP_EXAMPLES], [test "x$PYTHON" != "x"])
 
 # Enable building examples
 AC_ARG_ENABLE(
@@ -459,11 +417,6 @@ AC_ARG_ENABLE(
 
 AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" != "xno"])
 
-# Set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
-# is not distributed in tarballs.
-AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
-AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
-
 # Enable building man pages (user's intention).
 AC_ARG_ENABLE(
 	man-pages,
@@ -480,11 +433,8 @@ have_asciidoc_xmlto=no
 warn_prebuilt_man_pages=no
 
 AS_IF([test "x$man_pages_opt" = "xyes"], [
-	AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
-	AC_PATH_PROG([XMLTO], [xmlto], [no])
-
-	AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
-		AS_IF([test "x$in_git_repo" = "xyes"], [
+	AS_IF([test "x$ASCIIDOC" = "x" || test "x$XMLTO" = "x"], [
+		AE_IF_IN_GIT_REPO([
 			# This is an error because we're in the Git repo, which
 			# means the man pages are not already generated for us,
 			# thus asciidoc/xmlto are required because we were asked
@@ -507,30 +457,48 @@ they will not be installed.
 
 # Export man page build condition: build the man pages if the user
 # asked for it, and if the tools are available.
-AM_CONDITIONAL([MAN_PAGES_OPT], [test "x$man_pages_opt" != "xno"])
+AM_CONDITIONAL([ENABLE_MAN_PAGES], [test "x$man_pages_opt" != "xno"])
 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
 
-# Default values
-AC_DEFUN([_AC_DEFINE_AND_SUBST], [
-	AC_DEFINE_UNQUOTED([CONFIG_$1], [$2], [$1])
-	$1="$2"
-	AC_SUBST([$1])
-])
 
-_AC_DEFINE_AND_SUBST([LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS], [3000])
+# Defined in include/lttng/ust-version.h
+AC_DEFINE([LTTNG_UST_MAJOR_VERSION], ust_version_major, [LTTng UST major version])
+AC_DEFINE([LTTNG_UST_MINOR_VERSION], ust_version_minor, [LTTng UST minor version])
+AC_DEFINE([LTTNG_UST_PATCHLEVEL_VERSION], ust_version_patch, [LTTng UST patch version])
+AC_DEFINE([LTTNG_UST_VERSION], ["]ust_version["], [LTTng UST version string])
+AC_DEFINE([LTTNG_UST_LIB_SONAME_MAJOR], [ust_lib_version_current], [Major SONAME number of liblttng-ust])
+AC_DEFINE([LTTNG_UST_CTL_LIB_SONAME_MAJOR], [ust_ctl_lib_version_current], [Major SONAME number of liblttng-ust-ctl])
 
-AM_CFLAGS="-Wall"
+
+AM_CFLAGS="-Wall $URCU_CFLAGS $PTHREAD_CFLAGS"
 AC_SUBST(AM_CFLAGS)
+
+AM_CXXFLAGS="$AM_CFLAGS"
+AC_SUBST(AM_CXXFLAGS)
+
+# The order in which the include folders are searched is important.
+# The top_builddir should always be searched first in the event that a build
+# time generated file is included.
+AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -include config.h"
+AC_SUBST(AM_CPPFLAGS)
+
 AC_SUBST(JNI_CPPFLAGS)
 
+
+##                                     ##
+## Output files generated by configure ##
+##                                     ##
+
+# List of files to be generated from '.in' templates by AC_OUTPUT
 AC_CONFIG_FILES([
 	Makefile
 	doc/Makefile
 	doc/examples/Makefile
 	doc/man/Makefile
 	include/Makefile
-	include/lttng/ust-version.h
 	snprintf/Makefile
+	libcounter/Makefile
+	libmsgpack/Makefile
 	libringbuffer/Makefile
 	liblttng-ust-comm/Makefile
 	liblttng-ust/Makefile
@@ -557,57 +525,59 @@ AC_CONFIG_FILES([
 	python-lttngust/lttngust/__init__.py
 	tools/Makefile
 	tests/Makefile
-	tests/ctf-types/Makefile
-	tests/hello/Makefile
-	tests/hello-many/Makefile
-	tests/hello.cxx/Makefile
-	tests/same_line_tracepoint/Makefile
-	tests/snprintf/Makefile
-	tests/ust-elf/Makefile
+	tests/compile/Makefile
+	tests/compile/ctf-types/Makefile
+	tests/compile/hello.cxx/Makefile
+	tests/compile/hello/Makefile
+	tests/compile/hello-many/Makefile
+	tests/compile/same_line_tracepoint/Makefile
+	tests/compile/test-app-ctx/Makefile
 	tests/benchmark/Makefile
+	tests/unit/gcc-weak-hidden/Makefile
+	tests/unit/libmsgpack/Makefile
+	tests/unit/Makefile
+	tests/unit/libringbuffer/Makefile
+	tests/unit/pthread_name/Makefile
+	tests/unit/snprintf/Makefile
+	tests/unit/ust-elf/Makefile
 	tests/utils/Makefile
-	tests/test-app-ctx/Makefile
-	tests/gcc-weak-hidden/Makefile
 	lttng-ust.pc
 	lttng-ust-ctl.pc
 ])
 
-# Create link for python agent for the VPATH guru.
-AC_CONFIG_LINKS([
-	python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py
-	python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py
-	python-lttngust/lttngust/compat.py:python-lttngust/lttngust/compat.py
-	python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py
-	python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py
-])
-
-AC_CONFIG_FILES([tests/ust-elf/test_ust_elf],[chmod +x tests/ust-elf/test_ust_elf])
-
 AC_OUTPUT
 
 
-#
-# Mini-report on what will be built.
-#
+##                                    ##
+## Mini-report on what will be built. ##
+##                                    ##
 
 PPRINT_INIT
 PPRINT_SET_INDENT(1)
 PPRINT_SET_TS(38)
 
 AS_ECHO
-AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION \"V_NAME\"$PPRINT_COLOR_RST")
+AS_IF([test -n "ust_version_name"], [
+  AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION \"ust_version_name\"$PPRINT_COLOR_RST")
+], [
+  AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION")
+])
+
 AS_ECHO
 
-AS_ECHO("V_DESC")
+AS_IF([test -n "ust_version_description"], [
+  AS_IF([test -n "$FOLD"], [
+    AS_ECHO("`AS_ECHO("ust_version_description") | $FOLD -s`")
+  ], [
+    AS_ECHO("ust_version_description")
+  ])
+  AS_ECHO
+])
 
-AS_ECHO
 PPRINT_SUBTITLE([System])
 
 PPRINT_PROP_STRING([Target architecture], $host_cpu)
 
-test "x$NO_UNALIGNED_ACCESS" != "x1" && value=1 || value=0
-PPRINT_PROP_BOOL([Efficient unaligned memory access], $value)
-
 AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"],[
        PPRINT_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access.])
 ])
@@ -631,7 +601,7 @@ PPRINT_PROP_BOOL_CUSTOM([JNI interface (JNI)], $value, [use --enable-jni-interfa
 test "x$python_agent" = xyes && value=1 || value=0
 PPRINT_PROP_BOOL_CUSTOM([Python agent], $value, [use --enable-python-agent])
 
-test "x$have_perf_event" = "xyes" && value=1 || value=0
+test "x$ac_cv_header_linux_perf_event_h" = "xyes" && value=1 || value=0
 PPRINT_PROP_BOOL_CUSTOM([Perf event integration], $value)
 
 test "x$enable_numa" = xyes && value=1 || value=0
@@ -647,7 +617,7 @@ PPRINT_PROP_BOOL([Build and install examples], $value, $PPRINT_COLOR_SUBTITLE)
 m4_pushdef([build_man_pages_msg], [Build and install man pages])
 
 AS_IF([test "x$man_pages_opt" != "xno"], [
-	AS_IF([test "x$in_git_repo" = "xyes"], [
+	AE_IF_IN_GIT_REPO([
 		PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
 	], [
 		AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [