[lttng-ust.git] / configure.ac

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

AC_INIT([lttng-ust],[2.6.0-rc1],[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([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])

# 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])

# Compute minor/major/patchlevel version numbers
AC_PROG_SED
major_version=$(echo AC_PACKAGE_VERSION | sed 's/^\([[0-9]]\)*\.[[0-9]]*\.[[0-9]]*.*$/\1/')
minor_version=$(echo AC_PACKAGE_VERSION | sed 's/^[[0-9]]*\.\([[0-9]]*\)\.[[0-9]]*.*$/\1/')
patchlevel_version=$(echo AC_PACKAGE_VERSION | sed 's/^[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\).*$/\1/')
AC_SUBST([MAJOR_VERSION], [$major_version])
AC_SUBST([MINOR_VERSION], [$minor_version])
AC_SUBST([PATCHLEVEL_VERSION], [$patchlevel_version])
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="Gaia"
version_description="From Benelux brewery in Montreal, the Gaia is a witbier with a cloudy light amber ale color. Aroma of coriander with floral hay notes is enchanting. Taste is also dominated by the very floral coriander note and some medium sweet malt notes."

AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], [UST version name])
AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], [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],
			[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_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],
[
	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])

# 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])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
#AC_TYPE_INT16_T
#AC_TYPE_INT32_T
#AC_TYPE_INT64_T
#AC_TYPE_INT8_T
#AC_TYPE_PID_T
#AC_TYPE_SIZE_T
#AC_TYPE_SSIZE_T
#AC_TYPE_UINT16_T
#AC_TYPE_UINT32_T
#AC_TYPE_UINT64_T
#AC_TYPE_UINT8_T
#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 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 $host_cpu in
changequote(,)dnl
	i[3456]86)
changequote([,])dnl
	  ;;
	x86_64) ;;
	amd64) ;;
	powerpc) ;;
	ppc64) ;;
	ppc64le) ;;
	powerpc64) ;;
	powerpc64le) ;;
	s390) NO_UNALIGNED_ACCESS=1 ;;
	s390x) NO_UNALIGNED_ACCESS=1 ;;
        arm*) NO_UNALIGNED_ACCESS=1 ;;
	mips*) NO_UNALIGNED_ACCESS=1 ;;
	tile*) NO_UNALIGNED_ACCESS=1 ;;
	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
esac
AC_MSG_RESULT([$host_cpu])

if test x$NO_UNALIGNED_ACCESS = x ; then
AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
fi

# 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=$withval],
	[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"])

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"])

# 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])

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
	doc/Makefile
	doc/examples/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-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
	tools/Makefile
	tests/Makefile
	tests/hello/Makefile
	tests/hello.cxx/Makefile
	tests/same_line_tracepoint/Makefile
	tests/snprintf/Makefile
	tests/benchmark/Makefile
	tests/utils/Makefile
	lttng-ust.pc
])

AC_OUTPUT

AS_ECHO()
AS_ECHO("Version name: $version_name")
AS_ECHO("$version_description")

# 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")])

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("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()
AS_ECHO("Type 'make' to compile.")
Commit	Line	Data
1304f3df PMF	1	# -- Autoconf --
	2	# Process this file with autoconf to produce a configure script.
	3
837fc266	4	AC_INIT([lttng-ust],[2.6.0-rc1],[mathieu dot desnoyers at efficios dot com])
a334646a MD	5
	6	# Following the numbering scheme proposed by libtool for the library version
	7	# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
41a2a9aa	8	# This is the library version of liblttng-ust.
a334646a MD	9	AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0])
	10	# note: remember to update tracepoint.h dlopen() to match this version
	11	# number. TODO: eventually automate by exporting the major number.
	12
41a2a9aa MD	13	# This is the library version of liblttng-ust-ctl, used internally by
41a2a9aa MD	14	# liblttng-ust, lttng-sessiond, and lttng-consumerd.
76bacff6	15	AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [2:0:0])
41a2a9aa	16
55355fa5	17	AC_CONFIG_AUX_DIR([config])
9441df61 PMF	18	AC_CANONICAL_TARGET
9441df61 PMF	19	AC_CANONICAL_HOST
50f3dba0	20	AC_CONFIG_MACRO_DIR([config])
76ceb8db	21	AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
846154aa	22	AM_MAINTAINER_MODE([enable])
50f3dba0	23	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
4318ae1b	24	AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
4846fadc AM	25
4846fadc AM	26	# Configuration options, which will be installed in the config.h
562c813a MD	27	AC_CONFIG_HEADERS([config.h include/lttng/ust-config.h])
562c813a MD	28	AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
02120ddf	29	AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
d58d1454	30	AH_TEMPLATE([LTTNG_UST_HAVE_PERF_EVENT], [Perf event integration via perf_event.h])
23c8854a	31
b728d87e	32	# Compute minor/major/patchlevel version numbers
23c8854a	33	AC_PROG_SED
2694975d MD	34	major_version=$(echo AC_PACKAGE_VERSION \| sed 's/^\([[0-9]]\)\.[[0-9]]\.[[0-9]].$/\1/')
	35	minor_version=$(echo AC_PACKAGE_VERSION \| sed 's/^[[0-9]]\.\([[0-9]]\)\.[[0-9]].$/\1/')
	36	patchlevel_version=$(echo AC_PACKAGE_VERSION \| sed 's/^[[0-9]]\.[[0-9]]\.\([[0-9]]\).$/\1/')
161239e0 YB	37	AC_SUBST([MAJOR_VERSION], [$major_version])
161239e0 YB	38	AC_SUBST([MINOR_VERSION], [$minor_version])
b728d87e	39	AC_SUBST([PATCHLEVEL_VERSION], [$patchlevel_version])
161239e0 YB	40	AC_DEFINE_UNQUOTED([VERSION_MAJOR], $major_version, [UST major version number])
161239e0 YB	41	AC_DEFINE_UNQUOTED([VERSION_MINOR], $minor_version, [UST minor version number])
b728d87e	42	AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [UST patchlevel version number])
161239e0	43
26734246 MD	44	version_name="Gaia"
26734246 MD	45	version_description="From Benelux brewery in Montreal, the Gaia is a witbier with a cloudy light amber ale color. Aroma of coriander with floral hay notes is enchanting. Taste is also dominated by the very floral coriander note and some medium sweet malt notes."
0ff43c44	46
1c59f149 MD	47	AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], [UST version name])
1c59f149 MD	48	AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], [UST version description])
1304f3df	49
faebb418	50	AC_PROG_GREP
85e09133	51	AC_PROG_LN_S
faebb418 CB	52	# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
	53	AC_ARG_ENABLE(libtool-linkdep-fixup,
	54	AS_HELP_STRING([--disable-libtool-linkdep-fixup],
	55	[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
	56	libtool_fixup=$enableval,
	57	libtool_fixup=yes)
	58
	59	AS_IF([test "x$libtool_fixup" = "xyes"],
	60	[
	61	libtool_m4="$srcdir/config/libtool.m4"
	62	libtool_flag_pattern=".link_all_deplibs\s,\s\$1\s)"
	63	AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
	64	libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s=\sno" $libtool_m4)
	65	AS_IF([test $libtool_flag_pattern_count -ne 0],
	66	[
	67	AC_MSG_RESULT([$libtool_flag_pattern_count])
	68	AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
	69	sed -i "s/\($libtool_flag_pattern\)\s=\sno/\1=unknown/g" $libtool_m4
	70	],
	71	[
	72	AC_MSG_RESULT([none])
	73	])
	74	])
	75
824a00a7 MD	76	AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
824a00a7 MD	77
1304f3df PMF	78	# Checks for programs.
1304f3df PMF	79	AC_PROG_CC
6b79f035	80	AC_PROG_CXX
1304f3df	81	AC_PROG_MAKE_SET
fa1c6efe	82	LT_INIT
1304f3df	83
340f7763 SM	84	# rw_PROG_CXX_WORKS
	85	# Check whether the C++ compiler works.
	86	AC_CACHE_CHECK([whether the C++ compiler works],
	87	[rw_cv_prog_cxx_works],
	88	[AC_LANG_PUSH([C++])
	89	AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
8481f7a0	90	[check_cxx_designated_initializers=yes],
340f7763	91	[rw_cv_prog_cxx_works=no])
8481f7a0 ZT	92	if test "$check_cxx_designated_initializers" = "yes"; then
	93	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	94	struct foo { int a; int b; };
	95	void fct(void)
	96	{
	97	struct foo f = { .a = 0, .b = 1 };
	98	}
	99	]])],[
	100	rw_cv_prog_cxx_works=yes
	101	],[
	102	rw_cv_prog_cxx_works=no
	103	])
	104	fi
340f7763 SM	105	AC_LANG_POP([C++])])
	106
	107	AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
	108
1304f3df	109	## Checks for libraries.
c6c454ab MD	110	AC_CHECK_LIB([dl], [dlopen],
	111	[
	112	have_libdl=yes
	113	],
	114	[
	115	#libdl not found, check for dlopen in libc.
	116	AC_CHECK_LIB([c], [dlopen],
	117	[
	118	have_libc_dl=yes
	119	],
	120	[
	121	AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	122	])
	123	])
	124	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
	125	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
	126
e26c8207	127	AC_CHECK_LIB([pthread], [pthread_create])
1304f3df	128
f9ff7aa4 RN	129	# Check for dlfcn.h
	130	AC_CHECK_HEADER([dlfcn.h])
	131	AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"],
	132	[AC_CHECK_DECLS([RTLD_DI_LINKMAP],,,
	133	[#define _GNU_SOURCE /* Required on Linux to get GNU extensions */
	134	#include <dlfcn.h>])
	135	],
	136	[ac_cv_have_decl_RTLD_DI_LINKMAP="no"])
	137	AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
	138
1304f3df PMF	139	# Checks for header files.
	140	#AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
	141
	142	# Checks for typedefs, structures, and compiler characteristics.
	143	AC_C_INLINE
	144	#AC_TYPE_INT16_T
	145	#AC_TYPE_INT32_T
	146	#AC_TYPE_INT64_T
	147	#AC_TYPE_INT8_T
	148	#AC_TYPE_PID_T
	149	#AC_TYPE_SIZE_T
	150	#AC_TYPE_SSIZE_T
	151	#AC_TYPE_UINT16_T
	152	#AC_TYPE_UINT32_T
	153	#AC_TYPE_UINT64_T
	154	#AC_TYPE_UINT8_T
	155	#AC_CHECK_TYPES([ptrdiff_t])
	156
	157	# Checks for library functions.
	158	AC_FUNC_MALLOC
e9d165be	159	AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
1304f3df	160
fbae86d6 MD	161	CFLAGS="-Wall $CFLAGS"
fbae86d6 MD	162
8624c549 PMF	163	# URCU
	164
	165	# urcu - check if we just find the headers it out of the box.
135987a5	166	AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
cacb7fbe	167	This error can also occur when the liburcu package's configure script has not been run.])])
bf956ec0 MD	168
	169	# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
	170	# Part of Userspace RCU library 0.7.2 or better.
	171	AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
	172	liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
8624c549	173
b5a3dfa5	174	AC_MSG_CHECKING([caa_likely()])
31b07350	175	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
b5a3dfa5	176	#include <urcu/compiler.h>
b5a3dfa5 MD	177	void fct(void)
	178	{
	179	if (caa_likely(1)) {
	180	}
	181	}
727bb6cb	182	]])],[
b5a3dfa5	183	AC_MSG_RESULT([yes])
727bb6cb	184	],[
b5a3dfa5 MD	185	AC_MSG_RESULT([no])
b5a3dfa5 MD	186	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
727bb6cb MD	187
727bb6cb MD	188	])
b5a3dfa5	189
8624c549	190	# urcu - check that URCU lib is available to compilation
cfa0520d	191	AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
e3073410	192
a6830b14 MD	193	# urcu - check that URCU lib is at least version 0.6
a6830b14 MD	194	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.])])
e3073410	195
d58d1454 MD	196	# optional linux/perf_event.h
d58d1454 MD	197	AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
d58d1454	198
1113f842 CB	199	# Perf event counters are only supported on x86 so far.
	200	AC_MSG_CHECKING([UST support for architecture perf event counters])
	201	case $host_cpu in
	202	changequote(,)dnl
	203	i[3456]86)
	204	changequote([,])dnl
	205	UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	206	x86_64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	207	amd64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	208	*) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=no;;
	209	esac
	210	AC_MSG_RESULT([$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS])
	211
	212	AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"])
	213
	214	if test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"; then
d58d1454 MD	215	AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
	216	fi
	217
dca6e79f	218	AC_MSG_CHECKING([host system alignment requirements])
8fb0c941	219	case $host_cpu in
8c98245f PA	220	changequote(,)dnl
	221	i[3456]86)
	222	changequote([,])dnl
8c98245f	223	;;
dca6e79f MD	224	x86_64) ;;
	225	amd64) ;;
	226	powerpc) ;;
	227	ppc64) ;;
819caf5a	228	ppc64le) ;;
dca6e79f	229	powerpc64) ;;
819caf5a	230	powerpc64le) ;;
dca6e79f MD	231	s390) NO_UNALIGNED_ACCESS=1 ;;
	232	s390x) NO_UNALIGNED_ACCESS=1 ;;
	233	arm*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	234	mips*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	235	tile*) NO_UNALIGNED_ACCESS=1 ;;
dca6e79f	236	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
9441df61	237	esac
f039c6b0	238	AC_MSG_RESULT([$host_cpu])
ed452f03	239
2699970a	240	if test x$NO_UNALIGNED_ACCESS = x ; then
562c813a	241	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
2699970a JW	242	fi
2699970a JW	243
2b6f8df9	244	# Check for JNI header files if requested
8d179959 CB	245	AC_ARG_ENABLE([jni-interface],
8d179959 CB	246	[AS_HELP_STRING([--enable-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
b2263155 AM	247	[jni_interface=$withval],
	248	[jni_interface=no]
	249	)
2b6f8df9	250
b2263155	251	AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
2b6f8df9	252
501f6777 CB	253
	254	AC_ARG_ENABLE([java-agent-jul],
	255	[AS_HELP_STRING([--enable-java-agent-jul],[build the LTTng UST Java agent with JUL support [default=no]])],
	256	[java_agent_jul=$enableval],
	257	[java_agent_jul=no]
	258	)
	259
	260	AC_ARG_ENABLE([java-agent-log4j],
	261	[AS_HELP_STRING([--enable-java-agent-log4j],[build the LTTng UST Java agent with Log4j support [default=no]])],
	262	[java_agent_log4j=$enableval],
	263	[java_agent_log4j=no]
	264	)
	265
	266	AC_ARG_ENABLE([java-agent-all],
	267	[AS_HELP_STRING([--enable-java-agent-all],[build the LTTng UST Java agent with all supported backends [default=no]])],
	268	[java_agent_jul=$enableval
	269	java_agent_log4j=$enableval],
	270	[:]
	271	)
	272
	273
	274	AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"])
	275	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
	276	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
	277
	278	if test "x$jni_interface" = "xyes" \|\| test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"; then
	279	AX_JAVA_OPTIONS
	280	AX_PROG_JAVAC
	281	AX_PROG_JAVA
	282	AX_PROG_JAR
	283
	284	AX_JNI_INCLUDE_DIR
	285	for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
	286	do
	287	CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR"
	288	done
	289
	290	AX_PROG_JAVAH
	291	fi
	292
	293	if test "x$java_agent_log4j" = "xyes"; then
	294	AX_CHECK_CLASSPATH
	295
	296	AX_CHECK_CLASS(org.apache.log4j.Logger)
	297
	298	if test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"; then
	299	AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
	300	fi
	301	fi
	302
c3e14096 DG	303	# Option to build the python agent
	304	AC_ARG_ENABLE([python-agent],
	305	[AS_HELP_STRING([--enable-python-agent],[build the LTTng UST Python agent [default=no]])],
	306	[python_agent=$enableval],
	307	[:]
	308	)
	309	AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
	310
4846fadc AM	311	# sdt.h integration
4846fadc AM	312	AC_ARG_WITH([sdt],
02120ddf	313	[AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
4846fadc AM	314	[with_sdt=$withval],
	315	[with_sdt="no"]
	316	)
	317
	318	AS_IF([test "x$with_sdt" = "xyes"],[
491f30fe MD	319	AC_MSG_CHECKING([STAP_PROBEV()])
	320	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	321	#define SDT_USE_VARIADIC
	322	#include <sys/sdt.h>
	323	void fct(void)
	324	{
	325	STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	326	}
	327	]])],[
	328	AC_MSG_RESULT([yes])
562c813a	329	AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
4846fadc	330	],[
491f30fe	331	AC_MSG_RESULT([no])
135987a5	332	AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
4846fadc AM	333	])
	334	])
	335
ccb19569 MD	336	AC_MSG_CHECKING([whether shared libraries are enabled])
	337	AS_IF([test "x$enable_shared" = "xyes"],
	338	[
	339	AC_MSG_RESULT([yes])
	340	],
	341	[
	342	AC_MSG_RESULT([no])
	343	AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
	344	])
	345
751d4e91 MD	346	AC_ARG_WITH([lttng-system-rundir],
	347	AS_HELP_STRING([--with-lttng-system-rundir],
	348	[Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	349	[lttng_system_rundir="$withval"],
	350	[lttng_system_rundir="/var/run/lttng"])
	351	AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	352	[LTTng system runtime directory])
	353
dcb6ba25	354	AM_PATH_PYTHON([2.7],BUILD_GEN_TP_EXAMPLES=1,[:])
2b90f1d3 JG	355	AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES], [Build examples requiring lttng-gen-tp])
2b90f1d3 JG	356
55355fa5 JB	357	AC_CONFIG_FILES([
55355fa5 JB	358	Makefile
7ccf75d3 MD	359	doc/Makefile
7ccf75d3 MD	360	doc/examples/Makefile
69400ac4	361	include/Makefile
b728d87e	362	include/lttng/ust-version.h
69400ac4	363	snprintf/Makefile
4931a13e	364	libringbuffer/Makefile
69400ac4 MD	365	liblttng-ust-comm/Makefile
	366	liblttng-ust/Makefile
	367	liblttng-ust-ctl/Makefile
	368	liblttng-ust-fork/Makefile
b13d93c2	369	liblttng-ust-dl/Makefile
69400ac4	370	liblttng-ust-java/Makefile
501f6777 CB	371	liblttng-ust-java-agent/Makefile
	372	liblttng-ust-java-agent/java/Makefile
	373	liblttng-ust-java-agent/jni/Makefile
	374	liblttng-ust-java-agent/jni/jul/Makefile
	375	liblttng-ust-java-agent/jni/log4j/Makefile
476037d9	376	liblttng-ust-libc-wrapper/Makefile
70d654f2	377	liblttng-ust-cyg-profile/Makefile
c3e14096	378	liblttng-ust-python-agent/Makefile
b25c5b37	379	tools/Makefile
6dd969b5 PMF	380	tests/Makefile
6dd969b5 PMF	381	tests/hello/Makefile
6b79f035	382	tests/hello.cxx/Makefile
90c09854	383	tests/same_line_tracepoint/Makefile
d23b20e9	384	tests/snprintf/Makefile
a44af49d	385	tests/benchmark/Makefile
9a4b88ff	386	tests/utils/Makefile
74a6d87b	387	lttng-ust.pc
55355fa5	388	])
1f9eff07	389
1304f3df	390	AC_OUTPUT
1f9eff07	391
649282a8 MD	392	AS_ECHO()
	393	AS_ECHO("Version name: $version_name")
	394	AS_ECHO("$version_description")
	395
1f9eff07 AM	396	# Report on the configuration options
	397	AS_ECHO()
	398	AS_ECHO("LTTng-UST will be built with the following options:")
1f9eff07 AM	399
1f9eff07 AM	400	AS_ECHO()
501f6777 CB	401
	402	AS_ECHO_N("Java agent (JUL support): ")
	403	AS_IF([test "x$java_agent_jul" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	404
	405	AS_ECHO_N("Java agent (Log4j support): ")
	406	AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	407
	408	AS_ECHO_N("JNI interface (JNI): ")
1f9eff07 AM	409	AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
1f9eff07 AM	410
c3e14096 DG	411	AS_ECHO_N("Python agent: ")
	412	AS_IF([test "x$python_agent" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	413
1f9eff07 AM	414	AS_ECHO_N("sdt.h integration: ")
	415	AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	416
	417	AS_ECHO()
	418	AS_ECHO("Type 'make' to compile.")
	419