[lttng-ust.git] / configure.ac

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

AC_INIT([lttng-ust],[2.6.0-rc2],[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"])

# Check if the compiler support weak symbols
AX_SYS_WEAK_ALIAS

if test "x${ax_cv_sys_weak_alias}" = "xno"; then
   AC_MSG_ERROR([Your platform doesn't support weak symbols.])
fi

## Checks for libraries.
AC_CHECK_LIB([dl], [dlopen],
[
	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

# 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
	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("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
9274e05e	4	AC_INIT([lttng-ust],[2.6.0-rc2],[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], ["$version_description"], [UST version description])
1304f3df	49
faebb418	50	AC_PROG_GREP
409cc2ea	51	AC_PROG_LN_S
faebb418 CB	52	# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
	53	AC_ARG_ENABLE(libtool-linkdep-fixup,
	54	AS_HELP_STRING([--disable-libtool-linkdep-fixup],
	55	[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
	56	libtool_fixup=$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
f4a74837 CB	109	# Check if the compiler support weak symbols
	110	AX_SYS_WEAK_ALIAS
	111
	112	if test "x${ax_cv_sys_weak_alias}" = "xno"; then
	113	AC_MSG_ERROR([Your platform doesn't support weak symbols.])
	114	fi
	115
1304f3df	116	## Checks for libraries.
c6c454ab MD	117	AC_CHECK_LIB([dl], [dlopen],
	118	[
	119	have_libdl=yes
	120	],
	121	[
	122	#libdl not found, check for dlopen in libc.
	123	AC_CHECK_LIB([c], [dlopen],
	124	[
	125	have_libc_dl=yes
	126	],
	127	[
	128	AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	129	])
	130	])
	131	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
	132	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
	133
e26c8207	134	AC_CHECK_LIB([pthread], [pthread_create])
1304f3df	135
f9ff7aa4 RN	136	# Check for dlfcn.h
	137	AC_CHECK_HEADER([dlfcn.h])
	138	AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"],
	139	[AC_CHECK_DECLS([RTLD_DI_LINKMAP],,,
	140	[#define _GNU_SOURCE /* Required on Linux to get GNU extensions */
	141	#include <dlfcn.h>])
	142	],
	143	[ac_cv_have_decl_RTLD_DI_LINKMAP="no"])
	144	AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
	145
1304f3df PMF	146	# Checks for header files.
	147	#AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
	148
	149	# Checks for typedefs, structures, and compiler characteristics.
	150	AC_C_INLINE
	151	#AC_TYPE_INT16_T
	152	#AC_TYPE_INT32_T
	153	#AC_TYPE_INT64_T
	154	#AC_TYPE_INT8_T
	155	#AC_TYPE_PID_T
	156	#AC_TYPE_SIZE_T
	157	#AC_TYPE_SSIZE_T
	158	#AC_TYPE_UINT16_T
	159	#AC_TYPE_UINT32_T
	160	#AC_TYPE_UINT64_T
	161	#AC_TYPE_UINT8_T
	162	#AC_CHECK_TYPES([ptrdiff_t])
	163
	164	# Checks for library functions.
	165	AC_FUNC_MALLOC
e9d165be	166	AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
1304f3df	167
fbae86d6 MD	168	CFLAGS="-Wall $CFLAGS"
fbae86d6 MD	169
8624c549 PMF	170	# URCU
	171
	172	# urcu - check if we just find the headers it out of the box.
135987a5	173	AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
cacb7fbe	174	This error can also occur when the liburcu package's configure script has not been run.])])
bf956ec0 MD	175
	176	# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
	177	# Part of Userspace RCU library 0.7.2 or better.
	178	AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
	179	liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
8624c549	180
b5a3dfa5	181	AC_MSG_CHECKING([caa_likely()])
31b07350	182	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
b5a3dfa5	183	#include <urcu/compiler.h>
b5a3dfa5 MD	184	void fct(void)
	185	{
	186	if (caa_likely(1)) {
	187	}
	188	}
727bb6cb	189	]])],[
b5a3dfa5	190	AC_MSG_RESULT([yes])
727bb6cb	191	],[
b5a3dfa5 MD	192	AC_MSG_RESULT([no])
b5a3dfa5 MD	193	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
727bb6cb MD	194
727bb6cb MD	195	])
b5a3dfa5	196
8624c549	197	# urcu - check that URCU lib is available to compilation
cfa0520d	198	AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
e3073410	199
a6830b14 MD	200	# urcu - check that URCU lib is at least version 0.6
a6830b14 MD	201	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	202
d58d1454 MD	203	# optional linux/perf_event.h
d58d1454 MD	204	AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
d58d1454	205
1113f842 CB	206	# Perf event counters are only supported on x86 so far.
	207	AC_MSG_CHECKING([UST support for architecture perf event counters])
	208	case $host_cpu in
	209	changequote(,)dnl
	210	i[3456]86)
	211	changequote([,])dnl
	212	UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	213	x86_64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	214	amd64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	215	*) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=no;;
	216	esac
	217	AC_MSG_RESULT([$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS])
	218
	219	AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"])
	220
	221	if test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"; then
d58d1454 MD	222	AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
	223	fi
	224
dca6e79f	225	AC_MSG_CHECKING([host system alignment requirements])
8fb0c941	226	case $host_cpu in
8c98245f PA	227	changequote(,)dnl
	228	i[3456]86)
	229	changequote([,])dnl
8c98245f	230	;;
dca6e79f MD	231	x86_64) ;;
	232	amd64) ;;
	233	powerpc) ;;
	234	ppc64) ;;
819caf5a	235	ppc64le) ;;
dca6e79f	236	powerpc64) ;;
819caf5a	237	powerpc64le) ;;
dca6e79f MD	238	s390) NO_UNALIGNED_ACCESS=1 ;;
	239	s390x) NO_UNALIGNED_ACCESS=1 ;;
	240	arm*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	241	mips*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	242	tile*) NO_UNALIGNED_ACCESS=1 ;;
dca6e79f	243	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
9441df61	244	esac
f039c6b0	245	AC_MSG_RESULT([$host_cpu])
ed452f03	246
2699970a	247	if test x$NO_UNALIGNED_ACCESS = x ; then
562c813a	248	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
2699970a JW	249	fi
2699970a JW	250
2b6f8df9	251	# Check for JNI header files if requested
8d179959 CB	252	AC_ARG_ENABLE([jni-interface],
8d179959 CB	253	[AS_HELP_STRING([--enable-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
b2263155 AM	254	[jni_interface=$withval],
	255	[jni_interface=no]
	256	)
2b6f8df9	257
b2263155	258	AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
2b6f8df9	259
501f6777 CB	260
	261	AC_ARG_ENABLE([java-agent-jul],
	262	[AS_HELP_STRING([--enable-java-agent-jul],[build the LTTng UST Java agent with JUL support [default=no]])],
	263	[java_agent_jul=$enableval],
	264	[java_agent_jul=no]
	265	)
	266
	267	AC_ARG_ENABLE([java-agent-log4j],
	268	[AS_HELP_STRING([--enable-java-agent-log4j],[build the LTTng UST Java agent with Log4j support [default=no]])],
	269	[java_agent_log4j=$enableval],
	270	[java_agent_log4j=no]
	271	)
	272
	273	AC_ARG_ENABLE([java-agent-all],
	274	[AS_HELP_STRING([--enable-java-agent-all],[build the LTTng UST Java agent with all supported backends [default=no]])],
	275	[java_agent_jul=$enableval
	276	java_agent_log4j=$enableval],
	277	[:]
	278	)
	279
	280
	281	AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"])
	282	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
	283	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
	284
	285	if test "x$jni_interface" = "xyes" \|\| test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"; then
	286	AX_JAVA_OPTIONS
	287	AX_PROG_JAVAC
	288	AX_PROG_JAVA
	289	AX_PROG_JAR
	290
	291	AX_JNI_INCLUDE_DIR
	292	for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
	293	do
	294	CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR"
	295	done
	296
	297	AX_PROG_JAVAH
	298	fi
	299
	300	if test "x$java_agent_log4j" = "xyes"; then
	301	AX_CHECK_CLASSPATH
	302
	303	AX_CHECK_CLASS(org.apache.log4j.Logger)
	304
	305	if test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"; then
	306	AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
	307	fi
	308	fi
	309
4846fadc AM	310	# sdt.h integration
4846fadc AM	311	AC_ARG_WITH([sdt],
02120ddf	312	[AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
4846fadc AM	313	[with_sdt=$withval],
	314	[with_sdt="no"]
	315	)
	316
	317	AS_IF([test "x$with_sdt" = "xyes"],[
491f30fe MD	318	AC_MSG_CHECKING([STAP_PROBEV()])
	319	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	320	#define SDT_USE_VARIADIC
	321	#include <sys/sdt.h>
	322	void fct(void)
	323	{
	324	STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	325	}
	326	]])],[
	327	AC_MSG_RESULT([yes])
562c813a	328	AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
4846fadc	329	],[
491f30fe	330	AC_MSG_RESULT([no])
135987a5	331	AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
4846fadc AM	332	])
	333	])
	334
ccb19569 MD	335	AC_MSG_CHECKING([whether shared libraries are enabled])
	336	AS_IF([test "x$enable_shared" = "xyes"],
	337	[
	338	AC_MSG_RESULT([yes])
	339	],
	340	[
	341	AC_MSG_RESULT([no])
	342	AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
	343	])
	344
751d4e91 MD	345	AC_ARG_WITH([lttng-system-rundir],
	346	AS_HELP_STRING([--with-lttng-system-rundir],
	347	[Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	348	[lttng_system_rundir="$withval"],
	349	[lttng_system_rundir="/var/run/lttng"])
	350	AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	351	[LTTng system runtime directory])
	352
dcb6ba25	353	AM_PATH_PYTHON([2.7],BUILD_GEN_TP_EXAMPLES=1,[:])
2b90f1d3 JG	354	AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES], [Build examples requiring lttng-gen-tp])
2b90f1d3 JG	355
55355fa5 JB	356	AC_CONFIG_FILES([
55355fa5 JB	357	Makefile
7ccf75d3 MD	358	doc/Makefile
7ccf75d3 MD	359	doc/examples/Makefile
69400ac4	360	include/Makefile
b728d87e	361	include/lttng/ust-version.h
69400ac4	362	snprintf/Makefile
4931a13e	363	libringbuffer/Makefile
69400ac4 MD	364	liblttng-ust-comm/Makefile
	365	liblttng-ust/Makefile
	366	liblttng-ust-ctl/Makefile
	367	liblttng-ust-fork/Makefile
b13d93c2	368	liblttng-ust-dl/Makefile
69400ac4	369	liblttng-ust-java/Makefile
501f6777 CB	370	liblttng-ust-java-agent/Makefile
	371	liblttng-ust-java-agent/java/Makefile
	372	liblttng-ust-java-agent/jni/Makefile
	373	liblttng-ust-java-agent/jni/jul/Makefile
	374	liblttng-ust-java-agent/jni/log4j/Makefile
476037d9	375	liblttng-ust-libc-wrapper/Makefile
70d654f2	376	liblttng-ust-cyg-profile/Makefile
b25c5b37	377	tools/Makefile
6dd969b5 PMF	378	tests/Makefile
6dd969b5 PMF	379	tests/hello/Makefile
6b79f035	380	tests/hello.cxx/Makefile
90c09854	381	tests/same_line_tracepoint/Makefile
d23b20e9	382	tests/snprintf/Makefile
a44af49d	383	tests/benchmark/Makefile
9a4b88ff	384	tests/utils/Makefile
74a6d87b	385	lttng-ust.pc
55355fa5	386	])
1f9eff07	387
1304f3df	388	AC_OUTPUT
1f9eff07	389
649282a8 MD	390	AS_ECHO()
	391	AS_ECHO("Version name: $version_name")
	392	AS_ECHO("$version_description")
	393
1f9eff07 AM	394	# Report on the configuration options
	395	AS_ECHO()
	396	AS_ECHO("LTTng-UST will be built with the following options:")
1f9eff07 AM	397
1f9eff07 AM	398	AS_ECHO()
501f6777 CB	399
	400	AS_ECHO_N("Java agent (JUL support): ")
	401	AS_IF([test "x$java_agent_jul" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	402
	403	AS_ECHO_N("Java agent (Log4j support): ")
	404	AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	405
	406	AS_ECHO_N("JNI interface (JNI): ")
1f9eff07 AM	407	AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	408
	409	AS_ECHO_N("sdt.h integration: ")
	410	AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	411
	412	AS_ECHO()
	413	AS_ECHO("Type 'make' to compile.")
	414