[lttng-ust.git] / configure.ac

dnl -*- Autoconf -*-
dnl Process this file with autoconf to produce a configure script.

dnl Version infos
m4_define([V_MAJOR], [2])
m4_define([V_MINOR], [9])
m4_define([V_PATCH], [0])
m4_define([V_EXTRA], [rc1])
m4_define([V_STRING], [V_MAJOR.V_MINOR.V_PATCH])
m4_ifdef([V_EXTRA], [m4_append([V_STRING], [-V_EXTRA])])
m4_define([V_NAME], [[Joannès]])
m4_define([V_DESC], [[Berliner Weisse style beer from the Trèfle Noir microbrewery in Rouyn-Noranda.]])

AC_INIT([lttng-ust], V_STRING, [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
AC_CONFIG_MACRO_DIR([config])
AM_INIT_AUTOMAKE([1.9 foreign dist-bzip2 no-dist-gzip tar-ustar])
AM_MAINTAINER_MODE([enable])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])

AC_REQUIRE_AUX_FILE([tap-driver.sh])

# Configuration options, which will be installed in the config.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])

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])

AC_PROG_SED
AC_PROG_GREP
AC_PROG_LN_S
AC_PROG_MKDIR_P

# 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
])

AS_IF([test "x$libtool_fixup" = "xyes"], [
	libtool_m4="$srcdir/config/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)

	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])
	])
])

AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])

# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_CHECK_PROG([HAVE_CMAKE], [cmake], ["yes"])
AM_CONDITIONAL([HAVE_CMAKE], [test "x$HAVE_CMAKE" = "xyes"])
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
	])

	AS_IF([test "x$check_cxx_designated_initializers" = "xyes"], [
		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
		])
	])

	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

AS_IF([test "x${ax_cv_sys_weak_alias}" = "xno"], [
	AC_MSG_ERROR([Your platform doesn't support weak symbols.])
])

# Checks for libraries.
AC_CHECK_LIB([dl], [dlopen], [
	have_libdl=yes
], [
	#libdl not found, check for dlopen in libc.
	AC_CHECK_LIB([c], [dlopen], [
		have_libc_dl=yes
	], [
		AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	])
])

AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])

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"])

# Checks for header files.
dnl AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
dnl AC_TYPE_INT16_T
dnl AC_TYPE_INT32_T
dnl AC_TYPE_INT64_T
dnl AC_TYPE_INT8_T
dnl AC_TYPE_PID_T
dnl AC_TYPE_SIZE_T
dnl AC_TYPE_SSIZE_T
dnl AC_TYPE_UINT16_T
dnl AC_TYPE_UINT32_T
dnl AC_TYPE_UINT64_T
dnl AC_TYPE_UINT8_T
dnl AC_CHECK_TYPES([ptrdiff_t])

# Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])

CFLAGS="-Wall $CFLAGS"

# URCU

# 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], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])

# 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 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])
])

AC_MSG_CHECKING([Restartable Sequences])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	#include <unistd.h>
	#include <syscall.h>
	#ifndef __NR_rseq
	#error "Restartable Sequences system call not wired up in your kernel headers."
	#endif
]])], [
	AC_MSG_RESULT([yes])
	have_rseq=yes
], [
	AC_MSG_RESULT([no])
	have_rseq=no
])

AC_MSG_CHECKING([host system alignment requirements])
AS_CASE([$host_cpu],
	[i[[3456]]86], [],
	[x86_64], [],
	[amd64], [],
	[powerpc], [],
	[ppc64], [],
	[ppc64le], [],
	[powerpc64], [],
	[powerpc64le], [],
	[s390], [NO_UNALIGNED_ACCESS=1],
	[s390x], [NO_UNALIGNED_ACCESS=1],
	[arm*], [NO_UNALIGNED_ACCESS=1],
	[aarch64*], [NO_UNALIGNED_ACCESS=1],
	[mips*], [NO_UNALIGNED_ACCESS=1],
	[tile*], [NO_UNALIGNED_ACCESS=1],
	[
		UNSUPPORTED_ARCH=1
		NO_UNALIGNED_ACCESS=1
	])
AC_MSG_RESULT([$host_cpu])

AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [
	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
])

# Check for JNI header files if requested
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
])

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"])

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

	AX_JNI_INCLUDE_DIR
	for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
	do
		CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR"
	done

	AX_PROG_JAVAH
])

AS_IF([test "x$java_agent_log4j" = "xyes"], [
	AX_CHECK_CLASSPATH
	AX_CHECK_CLASS([org.apache.log4j.Logger])
	AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [
		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"])
	])
])

# 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"])
AS_IF([test "x$python_agent" = "xyes"], [
	AM_PATH_PYTHON([2.7])
])

# sdt.h integration
AC_ARG_WITH([sdt], [
	AS_HELP_STRING([--with-sdt], [provide SystemTap integration via sdt.h [default=no]])
], [
	with_sdt=$withval
], [
	with_sdt="no"
])

AS_IF([test "x$with_sdt" = "xyes"], [
	AC_MSG_CHECKING([STAP_PROBEV()])
	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
		#define SDT_USE_VARIADIC
		#include <sys/sdt.h>
		void fct(void)
		{
			STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
		}
	]])], [
		AC_MSG_RESULT([yes])
		AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
	], [
		AC_MSG_RESULT([no])
		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])
	])
])

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 "x$BUILD_GEN_TP_EXAMPLES" = "xyes"])

# 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,
	AS_HELP_STRING(
		[--disable-man-pages],
		[Do not build and install man pages (already built in a distributed tarball)]
	),
	[man_pages_opt=$enableval],
	[man_pages_opt=yes]
)

# Check for asciidoc and xmlto if we enabled building the man pages.
have_asciidoc_xmlto=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"], [
			# 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
			# to build the man pages.
			AC_MSG_ERROR([
Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use
--disable-man-pages to disable building the man pages, in which case
they will not be installed.
			])
		], [
			# Only warn here: since we're in the tarball, the man
			# pages should already be generated at this point, thus
			# asciidoc/xmlto are not strictly required.
			AC_MSG_WARN([
Both asciidoc and xmlto are needed to build the LTTng-UST man pages.
Note that the man pages are already built in this distribution tarball,
so asciidoc and xmlto are only needed if you intend to modify their
sources. Use --disable-man-pages to completely disable building
and installing the man pages.
			])
		])
	], [
		have_asciidoc_xmlto=yes
	])
])

# 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$man_pages_opt" != "xno"])
AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$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])

AC_CONFIG_FILES([
	Makefile
	doc/Makefile
	doc/examples/Makefile
	doc/man/Makefile
	include/Makefile
	include/lttng/ust-version.h
	snprintf/Makefile
	libringbuffer/Makefile
	liblttng-ust-comm/Makefile
	liblttng-ust/Makefile
	liblttng-ust-ctl/Makefile
	liblttng-ust-fork/Makefile
	liblttng-ust-dl/Makefile
	liblttng-ust-fd/Makefile
	liblttng-ust-java/Makefile
	liblttng-ust-java-agent/Makefile
	liblttng-ust-java-agent/java/Makefile
	liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile
	liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
	liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
	liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
	liblttng-ust-java-agent/jni/Makefile
	liblttng-ust-java-agent/jni/common/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
	python-lttngust/Makefile
	python-lttngust/setup.py
	python-lttngust/lttngust/__init__.py
	tools/Makefile
	tests/Makefile
	tests/ctf-types/Makefile
	tests/hello/Makefile
	tests/hello.cxx/Makefile
	tests/same_line_tracepoint/Makefile
	tests/snprintf/Makefile
	tests/ust-elf/Makefile
	tests/benchmark/Makefile
	tests/utils/Makefile
	tests/test-app-ctx/Makefile
	tests/gcc-weak-hidden/Makefile
	lttng-ust.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/debug.py:python-lttngust/lttngust/debug.py
	python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py
])

AC_OUTPUT

AS_ECHO
AS_ECHO(["m4_bpatsubst(V_NAME, ["], [\\"])"])
AS_ECHO
AS_ECHO(["m4_bpatsubst(V_DESC, ["], [\\"])"])

# Report on the configuration options
AS_ECHO
AS_ECHO(["LTTng-UST will be built with the following options:"])

AS_ECHO

AS_ECHO_N(["Java agent (JUL support): "])
AS_IF([test "x$java_agent_jul" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled (Use --enable-java-agent-jul)"])])

AS_ECHO_N(["Java agent (Log4j support): "])
AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled (Use --enable-java-agent-log4j)"])])

AS_ECHO_N(["JNI interface (JNI): "])
AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled (Use --enable-jni-interface)"])])

AS_ECHO_N(["Python ($PYTHON) agent: "])
AS_IF([test "x$python_agent" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled (Use --enable-python-agent)"])])

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_N(["Restartable Sequences system call: "])
AS_IF([test "x$have_rseq" = "xyes"], [AS_ECHO(["yes"])], [AS_ECHO(["no"])])
AS_ECHO

AS_ECHO(["Type 'make' to compile."])
Commit	Line	Data
	1	dnl -- Autoconf --
	2	dnl Process this file with autoconf to produce a configure script.
	3
	4	dnl Version infos
	5	m4_define([V_MAJOR], [2])
	6	m4_define([V_MINOR], [9])
	7	m4_define([V_PATCH], [0])
	8	m4_define([V_EXTRA], [rc1])
	9	m4_define([V_STRING], [V_MAJOR.V_MINOR.V_PATCH])
	10	m4_ifdef([V_EXTRA], [m4_append([V_STRING], [-V_EXTRA])])
	11	m4_define([V_NAME], [[Joannès]])
	12	m4_define([V_DESC], [[Berliner Weisse style beer from the Trèfle Noir microbrewery in Rouyn-Noranda.]])
	13
	14	AC_INIT([lttng-ust], V_STRING, [mathieu dot desnoyers at efficios dot com])
	15
	16	# Following the numbering scheme proposed by libtool for the library version
	17	# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
	18	# This is the library version of liblttng-ust.
	19	AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0])
	20	# note: remember to update tracepoint.h dlopen() to match this version
	21	# number. TODO: eventually automate by exporting the major number.
	22
	23	# This is the library version of liblttng-ust-ctl, used internally by
	24	# liblttng-ust, lttng-sessiond, and lttng-consumerd.
	25	AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [2:0:0])
	26
	27	AC_CONFIG_AUX_DIR([config])
	28	AC_CANONICAL_TARGET
	29	AC_CANONICAL_HOST
	30	AC_CONFIG_MACRO_DIR([config])
	31	AM_INIT_AUTOMAKE([1.9 foreign dist-bzip2 no-dist-gzip tar-ustar])
	32	AM_MAINTAINER_MODE([enable])
	33	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
	34	AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
	35
	36	AC_REQUIRE_AUX_FILE([tap-driver.sh])
	37
	38	# Configuration options, which will be installed in the config.h
	39	AC_CONFIG_HEADERS([config.h include/lttng/ust-config.h])
	40	AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
	41	AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
	42	AH_TEMPLATE([LTTNG_UST_HAVE_PERF_EVENT], [Perf event integration via perf_event.h])
	43
	44	dnl Substitute minor/major/patchlevel version numbers
	45	AC_SUBST([MAJOR_VERSION], [V_MAJOR])
	46	AC_SUBST([MINOR_VERSION], [V_MINOR])
	47	AC_SUBST([PATCHLEVEL_VERSION], [V_PATCH])
	48
	49	AC_PROG_SED
	50	AC_PROG_GREP
	51	AC_PROG_LN_S
	52	AC_PROG_MKDIR_P
	53
	54	# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
	55	AC_ARG_ENABLE([libtool-linkdep-fixup], [
	56	AS_HELP_STRING([--disable-libtool-linkdep-fixup], [disable the libtool fixup for linking all dependent libraries (link_all_deplibs)])
	57	], [
	58	libtool_fixup=$enableval
	59	], [
	60	libtool_fixup=yes
	61	])
	62
	63	AS_IF([test "x$libtool_fixup" = "xyes"], [
	64	libtool_m4="$srcdir/config/libtool.m4"
	65	libtool_flag_pattern=".link_all_deplibs\s,\s\$1\s)"
	66	AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
	67	libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s=\sno" $libtool_m4)
	68
	69	AS_IF([test $libtool_flag_pattern_count -ne 0], [
	70	AC_MSG_RESULT([$libtool_flag_pattern_count])
	71	AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
	72	sed -i "s/\($libtool_flag_pattern\)\s=\sno/\1=unknown/g" $libtool_m4
	73	], [
	74	AC_MSG_RESULT([none])
	75	])
	76	])
	77
	78	AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
	79
	80	# Checks for programs.
	81	AC_PROG_CC
	82	AC_PROG_CXX
	83	AC_CHECK_PROG([HAVE_CMAKE], [cmake], ["yes"])
	84	AM_CONDITIONAL([HAVE_CMAKE], [test "x$HAVE_CMAKE" = "xyes"])
	85	AC_PROG_MAKE_SET
	86	LT_INIT
	87
	88	# rw_PROG_CXX_WORKS
	89	# Check whether the C++ compiler works.
	90	AC_CACHE_CHECK([whether the C++ compiler works], [rw_cv_prog_cxx_works], [
	91	AC_LANG_PUSH([C++])
	92
	93	AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [
	94	check_cxx_designated_initializers=yes
	95	], [
	96	rw_cv_prog_cxx_works=no
	97	])
	98
	99	AS_IF([test "x$check_cxx_designated_initializers" = "xyes"], [
	100	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	101	struct foo { int a; int b; };
	102	void fct(void)
	103	{
	104	struct foo f = { .a = 0, .b = 1 };
	105	}
	106	]])], [
	107	rw_cv_prog_cxx_works=yes
	108	], [
	109	rw_cv_prog_cxx_works=no
	110	])
	111	])
	112
	113	AC_LANG_POP([C++])
	114	])
	115
	116	AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
	117
	118	# Check if the compiler support weak symbols
	119	AX_SYS_WEAK_ALIAS
	120
	121	AS_IF([test "x${ax_cv_sys_weak_alias}" = "xno"], [
	122	AC_MSG_ERROR([Your platform doesn't support weak symbols.])
	123	])
	124
	125	# Checks for libraries.
	126	AC_CHECK_LIB([dl], [dlopen], [
	127	have_libdl=yes
	128	], [
	129	#libdl not found, check for dlopen in libc.
	130	AC_CHECK_LIB([c], [dlopen], [
	131	have_libc_dl=yes
	132	], [
	133	AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	134	])
	135	])
	136
	137	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
	138	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
	139
	140	AC_CHECK_LIB([pthread], [pthread_create])
	141	AC_CHECK_LIB([pthread], [pthread_setname_np],
	142	AC_DEFINE([HAVE_PTHREAD_SETNAME_NP], [1], [Define to 1 if pthread_setname_np is available.]),
	143	AC_CHECK_LIB([pthread], [pthread_set_name_np],
	144	AC_DEFINE([HAVE_PTHREAD_SET_NAME_NP], [1], [Define to 1 if pthread_set_name_np is available.]),
	145	AC_MSG_RESULT([pthread setname/set_name not found.])))
	146
	147	# Check for dlfcn.h
	148	AC_CHECK_HEADER([dlfcn.h])
	149	AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"], [
	150	AC_CHECK_DECLS([RTLD_DI_LINKMAP], [], [], [
	151	#define _GNU_SOURCE /* Required on Linux to get GNU extensions */
	152	#include <dlfcn.h>
	153	])
	154	], [
	155	ac_cv_have_decl_RTLD_DI_LINKMAP="no"
	156	])
	157
	158	AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
	159
	160	# Checks for header files.
	161	dnl AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
	162
	163	# Checks for typedefs, structures, and compiler characteristics.
	164	AC_C_INLINE
	165	dnl AC_TYPE_INT16_T
	166	dnl AC_TYPE_INT32_T
	167	dnl AC_TYPE_INT64_T
	168	dnl AC_TYPE_INT8_T
	169	dnl AC_TYPE_PID_T
	170	dnl AC_TYPE_SIZE_T
	171	dnl AC_TYPE_SSIZE_T
	172	dnl AC_TYPE_UINT16_T
	173	dnl AC_TYPE_UINT32_T
	174	dnl AC_TYPE_UINT64_T
	175	dnl AC_TYPE_UINT8_T
	176	dnl AC_CHECK_TYPES([ptrdiff_t])
	177
	178	# Checks for library functions.
	179	AC_FUNC_MALLOC
	180	AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
	181
	182	CFLAGS="-Wall $CFLAGS"
	183
	184	# URCU
	185
	186	# urcu - check if we just find the headers it out of the box.
	187	AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
	188	This error can also occur when the liburcu package's configure script has not been run.])])
	189
	190	# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
	191	# Part of Userspace RCU library 0.7.2 or better.
	192	AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
	193	liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
	194
	195	AC_MSG_CHECKING([caa_likely()])
	196	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	197	#include <urcu/compiler.h>
	198	void fct(void)
	199	{
	200	if (caa_likely(1)) {
	201	}
	202	}
	203	]])], [
	204	AC_MSG_RESULT([yes])
	205	], [
	206	AC_MSG_RESULT([no])
	207	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
	208	])
	209
	210	# urcu - check that URCU lib is available to compilation
	211	AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
	212
	213	# urcu - check that URCU lib is at least version 0.6
	214	AC_CHECK_LIB([urcu-bp], [call_rcu_bp], [], [AC_MSG_ERROR([liburcu 0.6 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
	215
	216	# optional linux/perf_event.h
	217	AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
	218
	219	# Perf event counters are supported on all architectures supported by
	220	# perf, using the read system call as fallback.
	221	AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes"])
	222
	223	AS_IF([test "x$have_perf_event" = "xyes"], [
	224	AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
	225	])
	226
	227	AC_MSG_CHECKING([Restartable Sequences])
	228	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	229	#include <unistd.h>
	230	#include <syscall.h>
	231	#ifndef __NR_rseq
	232	#error "Restartable Sequences system call not wired up in your kernel headers."
	233	#endif
	234	]])], [
	235	AC_MSG_RESULT([yes])
	236	have_rseq=yes
	237	], [
	238	AC_MSG_RESULT([no])
	239	have_rseq=no
	240	])
	241
	242	AC_MSG_CHECKING([host system alignment requirements])
	243	AS_CASE([$host_cpu],
	244	[i[[3456]]86], [],
	245	[x86_64], [],
	246	[amd64], [],
	247	[powerpc], [],
	248	[ppc64], [],
	249	[ppc64le], [],
	250	[powerpc64], [],
	251	[powerpc64le], [],
	252	[s390], [NO_UNALIGNED_ACCESS=1],
	253	[s390x], [NO_UNALIGNED_ACCESS=1],
	254	[arm*], [NO_UNALIGNED_ACCESS=1],
	255	[aarch64*], [NO_UNALIGNED_ACCESS=1],
	256	[mips*], [NO_UNALIGNED_ACCESS=1],
	257	[tile*], [NO_UNALIGNED_ACCESS=1],
	258	[
	259	UNSUPPORTED_ARCH=1
	260	NO_UNALIGNED_ACCESS=1
	261	])
	262	AC_MSG_RESULT([$host_cpu])
	263
	264	AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [
	265	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
	266	])
	267
	268	# Check for JNI header files if requested
	269	AC_ARG_ENABLE([jni-interface], [
	270	AS_HELP_STRING([--enable-jni-interface], [build JNI interface between C and Java. Needs Java include files [default=no]])
	271	], [
	272	jni_interface=$enableval
	273	], [
	274	jni_interface=no
	275	])
	276
	277	AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
	278
	279
	280	AC_ARG_ENABLE([java-agent-jul], [
	281	AS_HELP_STRING([--enable-java-agent-jul], [build the LTTng UST Java agent with JUL support [default=no]])
	282	], [
	283	java_agent_jul=$enableval
	284	], [
	285	java_agent_jul=no
	286	])
	287
	288	AC_ARG_ENABLE([java-agent-log4j], [
	289	AS_HELP_STRING([--enable-java-agent-log4j], [build the LTTng UST Java agent with Log4j support [default=no]])
	290	], [
	291	java_agent_log4j=$enableval
	292	], [
	293	java_agent_log4j=no
	294	])
	295
	296	AC_ARG_ENABLE([java-agent-all], [
	297	AS_HELP_STRING([--enable-java-agent-all], [build the LTTng UST Java agent with all supported backends [default=no]])
	298	], [
	299	java_agent_jul=$enableval
	300	java_agent_log4j=$enableval
	301	], [:])
	302
	303	AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"])
	304	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
	305	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
	306
	307	AS_IF([test "x$jni_interface" = "xyes" \|\| test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"], [
	308	AX_JAVA_OPTIONS
	309	AX_PROG_JAVAC
	310	AX_PROG_JAVA
	311	AX_PROG_JAR
	312
	313	AX_JNI_INCLUDE_DIR
	314	for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
	315	do
	316	CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR"
	317	done
	318
	319	AX_PROG_JAVAH
	320	])
	321
	322	AS_IF([test "x$java_agent_log4j" = "xyes"], [
	323	AX_CHECK_CLASSPATH
	324	AX_CHECK_CLASS([org.apache.log4j.Logger])
	325	AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [
	326	AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
	327	])
	328	])
	329
	330	# Option to build the python agent
	331	AC_ARG_ENABLE([python-agent], [
	332	AS_HELP_STRING([--enable-python-agent], [build the LTTng UST Python agent [default=no]])
	333	], [
	334	python_agent=$enableval
	335	], [:])
	336	AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
	337	AS_IF([test "x$python_agent" = "xyes"], [
	338	AM_PATH_PYTHON([2.7])
	339	])
	340
	341	# sdt.h integration
	342	AC_ARG_WITH([sdt], [
	343	AS_HELP_STRING([--with-sdt], [provide SystemTap integration via sdt.h [default=no]])
	344	], [
	345	with_sdt=$withval
	346	], [
	347	with_sdt="no"
	348	])
	349
	350	AS_IF([test "x$with_sdt" = "xyes"], [
	351	AC_MSG_CHECKING([STAP_PROBEV()])
	352	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	353	#define SDT_USE_VARIADIC
	354	#include <sys/sdt.h>
	355	void fct(void)
	356	{
	357	STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	358	}
	359	]])], [
	360	AC_MSG_RESULT([yes])
	361	AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
	362	], [
	363	AC_MSG_RESULT([no])
	364	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])
	365	])
	366	])
	367
	368	AC_MSG_CHECKING([whether shared libraries are enabled])
	369	AS_IF([test "x$enable_shared" = "xyes"], [
	370	AC_MSG_RESULT([yes])
	371	], [
	372	AC_MSG_RESULT([no])
	373	AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
	374	])
	375
	376	AC_ARG_WITH([lttng-system-rundir], [
	377	AS_HELP_STRING([--with-lttng-system-rundir], [Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	378	], [
	379	lttng_system_rundir="$withval"
	380	], [
	381	lttng_system_rundir="/var/run/lttng"
	382	])
	383	AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	384	[LTTng system runtime directory])
	385
	386	AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES], [python], ["yes"])
	387	AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test "x$BUILD_GEN_TP_EXAMPLES" = "xyes"])
	388
	389	# Set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
	390	# is not distributed in tarballs.
	391	AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
	392	AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
	393
	394	# Enable building man pages (user's intention).
	395	AC_ARG_ENABLE(
	396	man-pages,
	397	AS_HELP_STRING(
	398	[--disable-man-pages],
	399	[Do not build and install man pages (already built in a distributed tarball)]
	400	),
	401	[man_pages_opt=$enableval],
	402	[man_pages_opt=yes]
	403	)
	404
	405	# Check for asciidoc and xmlto if we enabled building the man pages.
	406	have_asciidoc_xmlto=no
	407
	408	AS_IF([test "x$man_pages_opt" = "xyes"], [
	409	AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
	410	AC_PATH_PROG([XMLTO], [xmlto], [no])
	411
	412	AS_IF([test "x$ASCIIDOC" = "xno" \|\| test "x$XMLTO" = "xno"], [
	413	AS_IF([test "x$in_git_repo" = "xyes"], [
	414	# This is an error because we're in the Git repo, which
	415	# means the man pages are not already generated for us,
	416	# thus asciidoc/xmlto are required because we were asked
	417	# to build the man pages.
	418	AC_MSG_ERROR([
	419	Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use
	420	--disable-man-pages to disable building the man pages, in which case
	421	they will not be installed.
	422	])
	423	], [
	424	# Only warn here: since we're in the tarball, the man
	425	# pages should already be generated at this point, thus
	426	# asciidoc/xmlto are not strictly required.
	427	AC_MSG_WARN([
	428	Both asciidoc and xmlto are needed to build the LTTng-UST man pages.
	429	Note that the man pages are already built in this distribution tarball,
	430	so asciidoc and xmlto are only needed if you intend to modify their
	431	sources. Use --disable-man-pages to completely disable building
	432	and installing the man pages.
	433	])
	434	])
	435	], [
	436	have_asciidoc_xmlto=yes
	437	])
	438	])
	439
	440	# Export man page build condition: build the man pages if the user
	441	# asked for it, and if the tools are available.
	442	AM_CONDITIONAL([MAN_PAGES_OPT], [test "x$man_pages_opt" != "xno"])
	443	AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
	444
	445	# Default values
	446	AC_DEFUN([_AC_DEFINE_AND_SUBST], [
	447	AC_DEFINE_UNQUOTED([CONFIG_$1], [$2], [$1])
	448	$1="$2"
	449	AC_SUBST([$1])
	450	])
	451
	452	_AC_DEFINE_AND_SUBST([LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS], [3000])
	453
	454	AC_CONFIG_FILES([
	455	Makefile
	456	doc/Makefile
	457	doc/examples/Makefile
	458	doc/man/Makefile
	459	include/Makefile
	460	include/lttng/ust-version.h
	461	snprintf/Makefile
	462	libringbuffer/Makefile
	463	liblttng-ust-comm/Makefile
	464	liblttng-ust/Makefile
	465	liblttng-ust-ctl/Makefile
	466	liblttng-ust-fork/Makefile
	467	liblttng-ust-dl/Makefile
	468	liblttng-ust-fd/Makefile
	469	liblttng-ust-java/Makefile
	470	liblttng-ust-java-agent/Makefile
	471	liblttng-ust-java-agent/java/Makefile
	472	liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile
	473	liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
	474	liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
	475	liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
	476	liblttng-ust-java-agent/jni/Makefile
	477	liblttng-ust-java-agent/jni/common/Makefile
	478	liblttng-ust-java-agent/jni/jul/Makefile
	479	liblttng-ust-java-agent/jni/log4j/Makefile
	480	liblttng-ust-libc-wrapper/Makefile
	481	liblttng-ust-cyg-profile/Makefile
	482	liblttng-ust-python-agent/Makefile
	483	python-lttngust/Makefile
	484	python-lttngust/setup.py
	485	python-lttngust/lttngust/__init__.py
	486	tools/Makefile
	487	tests/Makefile
	488	tests/ctf-types/Makefile
	489	tests/hello/Makefile
	490	tests/hello.cxx/Makefile
	491	tests/same_line_tracepoint/Makefile
	492	tests/snprintf/Makefile
	493	tests/ust-elf/Makefile
	494	tests/benchmark/Makefile
	495	tests/utils/Makefile
	496	tests/test-app-ctx/Makefile
	497	tests/gcc-weak-hidden/Makefile
	498	lttng-ust.pc
	499	])
	500
	501	# Create link for python agent for the VPATH guru.
	502	AC_CONFIG_LINKS([
	503	python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py
	504	python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py
	505	python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py
	506	python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py
	507	])
	508
	509	AC_OUTPUT
	510
	511	AS_ECHO
	512	AS_ECHO(["m4_bpatsubst(V_NAME, ["], [\\"])"])
	513	AS_ECHO
	514	AS_ECHO(["m4_bpatsubst(V_DESC, ["], [\\"])"])
	515
	516	# Report on the configuration options
	517	AS_ECHO
	518	AS_ECHO(["LTTng-UST will be built with the following options:"])
	519
	520	AS_ECHO
	521
	522	AS_ECHO_N(["Java agent (JUL support): "])
	523	AS_IF([test "x$java_agent_jul" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled (Use --enable-java-agent-jul)"])])
	524
	525	AS_ECHO_N(["Java agent (Log4j support): "])
	526	AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled (Use --enable-java-agent-log4j)"])])
	527
	528	AS_ECHO_N(["JNI interface (JNI): "])
	529	AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled (Use --enable-jni-interface)"])])
	530
	531	AS_ECHO_N(["Python ($PYTHON) agent: "])
	532	AS_IF([test "x$python_agent" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled (Use --enable-python-agent)"])])
	533
	534	AS_ECHO_N(["sdt.h integration: "])
	535	AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO(["Enabled"])], [AS_ECHO(["Disabled"])])
	536
	537	AS_ECHO(["Architecture: $host_cpu"])
	538	AS_ECHO_N(["Efficient unaligned memory access: "])
	539	AS_IF([test "x$NO_UNALIGNED_ACCESS" != "x1"], [AS_ECHO(["yes"])], [AS_IF([test "x$UNSUPPORTED_ARCH" != "x1"], [AS_ECHO(["no"])], [AS_ECHO(["unknown"])])])
	540	AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"], [AC_MSG_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access])])
	541
	542	AS_ECHO_N(["Restartable Sequences system call: "])
	543	AS_IF([test "x$have_rseq" = "xyes"], [AS_ECHO(["yes"])], [AS_ECHO(["no"])])
	544	AS_ECHO
	545
	546	AS_ECHO(["Type 'make' to compile."])
	547