[lttng-ust.git] / configure.ac

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

AC_INIT([lttng-ust],[2.5.0],[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="Fumisterie"
version_description="The Fumisterie is a beer whose style is at the confluence of English and German ales. On the palate, it is full-bodied, malty and slightly caramelized. The organic hemp seeds incorporated during the brewing gives it a unique and original taste. The hop flavour comes through delicately in the after taste."

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

AC_PROG_GREP
# 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

# 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
ce59a997	4	AC_INIT([lttng-ust],[2.5.0],[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], $patchlevel_version, [UST patchlevel version number])
161239e0	43
c2d275b8 MD	44	version_name="Fumisterie"
c2d275b8 MD	45	version_description="The Fumisterie is a beer whose style is at the confluence of English and German ales. On the palate, it is full-bodied, malty and slightly caramelized. The organic hemp seeds incorporated during the brewing gives it a unique and original taste. The hop flavour comes through delicately in the after taste."
0ff43c44	46
1c59f149 MD	47	AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], [UST version name])
1c59f149 MD	48	AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], [UST version description])
1304f3df	49
faebb418 CB	50	AC_PROG_GREP
	51	# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
	52	AC_ARG_ENABLE(libtool-linkdep-fixup,
	53	AS_HELP_STRING([--disable-libtool-linkdep-fixup],
	54	[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
	55	libtool_fixup=$enableval,
	56	libtool_fixup=yes)
	57
	58	AS_IF([test "x$libtool_fixup" = "xyes"],
	59	[
	60	libtool_m4="$srcdir/config/libtool.m4"
	61	libtool_flag_pattern=".link_all_deplibs\s,\s\$1\s)"
	62	AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
	63	libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s=\sno" $libtool_m4)
	64	AS_IF([test $libtool_flag_pattern_count -ne 0],
	65	[
	66	AC_MSG_RESULT([$libtool_flag_pattern_count])
	67	AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
	68	sed -i "s/\($libtool_flag_pattern\)\s=\sno/\1=unknown/g" $libtool_m4
	69	],
	70	[
	71	AC_MSG_RESULT([none])
	72	])
	73	])
	74
824a00a7 MD	75	AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
824a00a7 MD	76
1304f3df PMF	77	# Checks for programs.
1304f3df PMF	78	AC_PROG_CC
6b79f035	79	AC_PROG_CXX
1304f3df	80	AC_PROG_MAKE_SET
fa1c6efe	81	LT_INIT
1304f3df	82
340f7763 SM	83	# rw_PROG_CXX_WORKS
	84	# Check whether the C++ compiler works.
	85	AC_CACHE_CHECK([whether the C++ compiler works],
	86	[rw_cv_prog_cxx_works],
	87	[AC_LANG_PUSH([C++])
	88	AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
8481f7a0	89	[check_cxx_designated_initializers=yes],
340f7763	90	[rw_cv_prog_cxx_works=no])
8481f7a0 ZT	91	if test "$check_cxx_designated_initializers" = "yes"; then
	92	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	93	struct foo { int a; int b; };
	94	void fct(void)
	95	{
	96	struct foo f = { .a = 0, .b = 1 };
	97	}
	98	]])],[
	99	rw_cv_prog_cxx_works=yes
	100	],[
	101	rw_cv_prog_cxx_works=no
	102	])
	103	fi
340f7763 SM	104	AC_LANG_POP([C++])])
	105
	106	AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
	107
1304f3df	108	## Checks for libraries.
c6c454ab MD	109	AC_CHECK_LIB([dl], [dlopen],
	110	[
	111	have_libdl=yes
	112	],
	113	[
	114	#libdl not found, check for dlopen in libc.
	115	AC_CHECK_LIB([c], [dlopen],
	116	[
	117	have_libc_dl=yes
	118	],
	119	[
	120	AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	121	])
	122	])
	123	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
	124	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
	125
e26c8207	126	AC_CHECK_LIB([pthread], [pthread_create])
1304f3df	127
f9ff7aa4 RN	128	# Check for dlfcn.h
	129	AC_CHECK_HEADER([dlfcn.h])
	130	AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"],
	131	[AC_CHECK_DECLS([RTLD_DI_LINKMAP],,,
	132	[#define _GNU_SOURCE /* Required on Linux to get GNU extensions */
	133	#include <dlfcn.h>])
	134	],
	135	[ac_cv_have_decl_RTLD_DI_LINKMAP="no"])
	136	AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
	137
1304f3df PMF	138	# Checks for header files.
	139	#AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
	140
	141	# Checks for typedefs, structures, and compiler characteristics.
	142	AC_C_INLINE
	143	#AC_TYPE_INT16_T
	144	#AC_TYPE_INT32_T
	145	#AC_TYPE_INT64_T
	146	#AC_TYPE_INT8_T
	147	#AC_TYPE_PID_T
	148	#AC_TYPE_SIZE_T
	149	#AC_TYPE_SSIZE_T
	150	#AC_TYPE_UINT16_T
	151	#AC_TYPE_UINT32_T
	152	#AC_TYPE_UINT64_T
	153	#AC_TYPE_UINT8_T
	154	#AC_CHECK_TYPES([ptrdiff_t])
	155
	156	# Checks for library functions.
	157	AC_FUNC_MALLOC
e9d165be	158	AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
1304f3df	159
fbae86d6 MD	160	CFLAGS="-Wall $CFLAGS"
fbae86d6 MD	161
8624c549 PMF	162	# URCU
	163
	164	# urcu - check if we just find the headers it out of the box.
135987a5	165	AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
cacb7fbe	166	This error can also occur when the liburcu package's configure script has not been run.])])
bf956ec0 MD	167
	168	# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
	169	# Part of Userspace RCU library 0.7.2 or better.
	170	AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
	171	liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
8624c549	172
b5a3dfa5	173	AC_MSG_CHECKING([caa_likely()])
31b07350	174	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
b5a3dfa5	175	#include <urcu/compiler.h>
b5a3dfa5 MD	176	void fct(void)
	177	{
	178	if (caa_likely(1)) {
	179	}
	180	}
727bb6cb	181	]])],[
b5a3dfa5	182	AC_MSG_RESULT([yes])
727bb6cb	183	],[
b5a3dfa5 MD	184	AC_MSG_RESULT([no])
b5a3dfa5 MD	185	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
727bb6cb MD	186
727bb6cb MD	187	])
b5a3dfa5	188
8624c549	189	# urcu - check that URCU lib is available to compilation
cfa0520d	190	AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
e3073410	191
a6830b14 MD	192	# urcu - check that URCU lib is at least version 0.6
a6830b14 MD	193	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	194
d58d1454 MD	195	# optional linux/perf_event.h
d58d1454 MD	196	AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
d58d1454	197
1113f842 CB	198	# Perf event counters are only supported on x86 so far.
	199	AC_MSG_CHECKING([UST support for architecture perf event counters])
	200	case $host_cpu in
	201	changequote(,)dnl
	202	i[3456]86)
	203	changequote([,])dnl
	204	UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	205	x86_64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	206	amd64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	207	*) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=no;;
	208	esac
	209	AC_MSG_RESULT([$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS])
	210
	211	AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"])
	212
	213	if test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"; then
d58d1454 MD	214	AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
	215	fi
	216
dca6e79f	217	AC_MSG_CHECKING([host system alignment requirements])
8fb0c941	218	case $host_cpu in
8c98245f PA	219	changequote(,)dnl
	220	i[3456]86)
	221	changequote([,])dnl
8c98245f	222	;;
dca6e79f MD	223	x86_64) ;;
	224	amd64) ;;
	225	powerpc) ;;
	226	ppc64) ;;
819caf5a	227	ppc64le) ;;
dca6e79f	228	powerpc64) ;;
819caf5a	229	powerpc64le) ;;
dca6e79f MD	230	s390) NO_UNALIGNED_ACCESS=1 ;;
	231	s390x) NO_UNALIGNED_ACCESS=1 ;;
	232	arm*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	233	mips*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	234	tile*) NO_UNALIGNED_ACCESS=1 ;;
dca6e79f	235	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
9441df61	236	esac
f039c6b0	237	AC_MSG_RESULT([$host_cpu])
ed452f03	238
2699970a	239	if test x$NO_UNALIGNED_ACCESS = x ; then
562c813a	240	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
2699970a JW	241	fi
2699970a JW	242
2b6f8df9	243	# Check for JNI header files if requested
8d179959 CB	244	AC_ARG_ENABLE([jni-interface],
8d179959 CB	245	[AS_HELP_STRING([--enable-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
b2263155 AM	246	[jni_interface=$withval],
	247	[jni_interface=no]
	248	)
2b6f8df9	249
b2263155	250	AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
2b6f8df9	251
501f6777 CB	252
	253	AC_ARG_ENABLE([java-agent-jul],
	254	[AS_HELP_STRING([--enable-java-agent-jul],[build the LTTng UST Java agent with JUL support [default=no]])],
	255	[java_agent_jul=$enableval],
	256	[java_agent_jul=no]
	257	)
	258
	259	AC_ARG_ENABLE([java-agent-log4j],
	260	[AS_HELP_STRING([--enable-java-agent-log4j],[build the LTTng UST Java agent with Log4j support [default=no]])],
	261	[java_agent_log4j=$enableval],
	262	[java_agent_log4j=no]
	263	)
	264
	265	AC_ARG_ENABLE([java-agent-all],
	266	[AS_HELP_STRING([--enable-java-agent-all],[build the LTTng UST Java agent with all supported backends [default=no]])],
	267	[java_agent_jul=$enableval
	268	java_agent_log4j=$enableval],
	269	[:]
	270	)
	271
	272
	273	AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"])
	274	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
	275	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
	276
	277	if test "x$jni_interface" = "xyes" \|\| test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"; then
	278	AX_JAVA_OPTIONS
	279	AX_PROG_JAVAC
	280	AX_PROG_JAVA
	281	AX_PROG_JAR
	282
	283	AX_JNI_INCLUDE_DIR
	284	for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
	285	do
	286	CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR"
	287	done
	288
	289	AX_PROG_JAVAH
	290	fi
	291
	292	if test "x$java_agent_log4j" = "xyes"; then
	293	AX_CHECK_CLASSPATH
	294
	295	AX_CHECK_CLASS(org.apache.log4j.Logger)
	296
	297	if test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"; then
	298	AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
	299	fi
	300	fi
	301
4846fadc AM	302	# sdt.h integration
4846fadc AM	303	AC_ARG_WITH([sdt],
02120ddf	304	[AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
4846fadc AM	305	[with_sdt=$withval],
	306	[with_sdt="no"]
	307	)
	308
	309	AS_IF([test "x$with_sdt" = "xyes"],[
491f30fe MD	310	AC_MSG_CHECKING([STAP_PROBEV()])
	311	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	312	#define SDT_USE_VARIADIC
	313	#include <sys/sdt.h>
	314	void fct(void)
	315	{
	316	STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	317	}
	318	]])],[
	319	AC_MSG_RESULT([yes])
562c813a	320	AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
4846fadc	321	],[
491f30fe	322	AC_MSG_RESULT([no])
135987a5	323	AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
4846fadc AM	324	])
	325	])
	326
ccb19569 MD	327	AC_MSG_CHECKING([whether shared libraries are enabled])
	328	AS_IF([test "x$enable_shared" = "xyes"],
	329	[
	330	AC_MSG_RESULT([yes])
	331	],
	332	[
	333	AC_MSG_RESULT([no])
	334	AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
	335	])
	336
751d4e91 MD	337	AC_ARG_WITH([lttng-system-rundir],
	338	AS_HELP_STRING([--with-lttng-system-rundir],
	339	[Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	340	[lttng_system_rundir="$withval"],
	341	[lttng_system_rundir="/var/run/lttng"])
	342	AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	343	[LTTng system runtime directory])
	344
dcb6ba25	345	AM_PATH_PYTHON([2.7],BUILD_GEN_TP_EXAMPLES=1,[:])
2b90f1d3 JG	346	AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES], [Build examples requiring lttng-gen-tp])
2b90f1d3 JG	347
55355fa5 JB	348	AC_CONFIG_FILES([
55355fa5 JB	349	Makefile
7ccf75d3 MD	350	doc/Makefile
7ccf75d3 MD	351	doc/examples/Makefile
69400ac4	352	include/Makefile
b728d87e	353	include/lttng/ust-version.h
69400ac4	354	snprintf/Makefile
4931a13e	355	libringbuffer/Makefile
69400ac4 MD	356	liblttng-ust-comm/Makefile
	357	liblttng-ust/Makefile
	358	liblttng-ust-ctl/Makefile
	359	liblttng-ust-fork/Makefile
b13d93c2	360	liblttng-ust-dl/Makefile
69400ac4	361	liblttng-ust-java/Makefile
501f6777 CB	362	liblttng-ust-java-agent/Makefile
	363	liblttng-ust-java-agent/java/Makefile
	364	liblttng-ust-java-agent/jni/Makefile
	365	liblttng-ust-java-agent/jni/jul/Makefile
	366	liblttng-ust-java-agent/jni/log4j/Makefile
476037d9	367	liblttng-ust-libc-wrapper/Makefile
70d654f2	368	liblttng-ust-cyg-profile/Makefile
b25c5b37	369	tools/Makefile
6dd969b5 PMF	370	tests/Makefile
6dd969b5 PMF	371	tests/hello/Makefile
6b79f035	372	tests/hello.cxx/Makefile
90c09854	373	tests/same_line_tracepoint/Makefile
d23b20e9	374	tests/snprintf/Makefile
a44af49d	375	tests/benchmark/Makefile
9a4b88ff	376	tests/utils/Makefile
74a6d87b	377	lttng-ust.pc
55355fa5	378	])
1f9eff07	379
1304f3df	380	AC_OUTPUT
1f9eff07	381
649282a8 MD	382	AS_ECHO()
	383	AS_ECHO("Version name: $version_name")
	384	AS_ECHO("$version_description")
	385
1f9eff07 AM	386	# Report on the configuration options
	387	AS_ECHO()
	388	AS_ECHO("LTTng-UST will be built with the following options:")
1f9eff07 AM	389
1f9eff07 AM	390	AS_ECHO()
501f6777 CB	391
	392	AS_ECHO_N("Java agent (JUL support): ")
	393	AS_IF([test "x$java_agent_jul" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	394
	395	AS_ECHO_N("Java agent (Log4j support): ")
	396	AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	397
	398	AS_ECHO_N("JNI interface (JNI): ")
1f9eff07 AM	399	AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	400
	401	AS_ECHO_N("sdt.h integration: ")
	402	AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	403
	404	AS_ECHO()
	405	AS_ECHO("Type 'make' to compile.")
	406