[lttng-ust.git] / configure.ac

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

dnl Version infos
m4_define([V_MAJOR], [2])
m4_define([V_MINOR], [8])
m4_define([V_PATCH], [0])
m4_define([V_EXTRA], [pre])
m4_define([V_STRING], [V_MAJOR.V_MINOR.V_PATCH])
m4_ifdef([V_EXTRA], [m4_append([V_STRING], [-V_EXTRA])])
m4_define([V_NAME], [[Herbe à Détourne]])
m4_define([V_DESC], [[Brewed with unrestrained amounts of Citra hop, the Herbe à Détourne is a fantastic New World Tripel brewed by "Dieu du Ciel!". Aromas of mango, cantaloupe melon and passion fruit, combined with a controlled bitter finish, unite in making this smooth golden-orange beer stand apart.]])

AC_INIT([lttng-ust],V_STRING,[mathieu dot desnoyers at efficios dot com])

# Following the numbering scheme proposed by libtool for the library version
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
# This is the library version of liblttng-ust.
AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0])
# note: remember to update tracepoint.h dlopen() to match this version
# number. TODO: eventually automate by exporting the major number.

# This is the library version of liblttng-ust-ctl, used internally by
# liblttng-ust, lttng-sessiond, and lttng-consumerd.
AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [2:0:0])

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

# 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])

# Substitute minor/major/patchlevel version numbers
AC_PROG_SED
AC_SUBST([MAJOR_VERSION], [V_MAJOR])
AC_SUBST([MINOR_VERSION], [V_MINOR])
AC_SUBST([PATCHLEVEL_VERSION], [V_PATCH])

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 $host_cpu in
changequote(,)dnl
	i[3456]86)
changequote([,])dnl
	  ;;
	x86_64) ;;
	amd64) ;;
	powerpc) ;;
	ppc64) ;;
	ppc64le) ;;
	powerpc64) ;;
	powerpc64le) ;;
	s390) NO_UNALIGNED_ACCESS=1 ;;
	s390x) NO_UNALIGNED_ACCESS=1 ;;
        arm*) NO_UNALIGNED_ACCESS=1 ;;
	aarch64) NO_UNALIGNED_ACCESS=1 ;;
	mips*) NO_UNALIGNED_ACCESS=1 ;;
	tile*) NO_UNALIGNED_ACCESS=1 ;;
	*)
		UNSUPPORTED_ARCH=1
		NO_UNALIGNED_ACCESS=1
		;;
esac
AC_MSG_RESULT([$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=$enableval],
	[jni_interface=no]
)

AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])


AC_ARG_ENABLE([java-agent-jul],
	[AS_HELP_STRING([--enable-java-agent-jul],[build the LTTng UST Java agent with JUL support [default=no]])],
	[java_agent_jul=$enableval],
	[java_agent_jul=no]
)

AC_ARG_ENABLE([java-agent-log4j],
	[AS_HELP_STRING([--enable-java-agent-log4j],[build the LTTng UST Java agent with Log4j support [default=no]])],
	[java_agent_log4j=$enableval],
	[java_agent_log4j=no]
)

AC_ARG_ENABLE([java-agent-all],
	[AS_HELP_STRING([--enable-java-agent-all],[build the LTTng UST Java agent with all supported backends [default=no]])],
	[java_agent_jul=$enableval
	 java_agent_log4j=$enableval],
	[:]
)


AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"])
AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])

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"])
if test "x$python_agent" = "xyes"; then
	AM_PATH_PYTHON([2.7])
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])

AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES],[python],["yes"])
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/java/lttng-ust-agent-common/Makefile
	liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
	liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
	liblttng-ust-java-agent/jni/Makefile
	liblttng-ust-java-agent/jni/common/Makefile
	liblttng-ust-java-agent/jni/jul/Makefile
	liblttng-ust-java-agent/jni/log4j/Makefile
	liblttng-ust-libc-wrapper/Makefile
	liblttng-ust-cyg-profile/Makefile
	liblttng-ust-python-agent/Makefile
	python-lttngust/Makefile
	python-lttngust/setup.py
	python-lttngust/lttngust/__init__.py
	tools/Makefile
	tests/Makefile
	tests/ctf-types/Makefile
	tests/hello/Makefile
	tests/hello.cxx/Makefile
	tests/same_line_tracepoint/Makefile
	tests/snprintf/Makefile
	tests/ust-elf/Makefile
	tests/benchmark/Makefile
	tests/utils/Makefile
	tests/test-app-ctx/Makefile
	lttng-ust.pc
])

# Create link for python agent for the VPATH guru.
AC_CONFIG_LINKS([
	python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py
	python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py
	python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py
	python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py
])

AC_OUTPUT

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

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

AS_ECHO()

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

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 ($PYTHON) agent: ")
AS_IF([test "x$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("Architecture: $host_cpu")
AS_ECHO_N("Efficient unaligned memory access: ")
AS_IF([test "x$NO_UNALIGNED_ACCESS" != "x1"], [AS_ECHO("yes")], [AS_IF([test "x$UNSUPPORTED_ARCH" != "x1"], [AS_ECHO("no")], [AS_ECHO("unknown")])])
AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"], [AC_MSG_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access])])
AS_ECHO()

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
16f9d99c	4	dnl Version infos
58f107eb PP	5	m4_define([V_MAJOR], [2])
	6	m4_define([V_MINOR], [8])
	7	m4_define([V_PATCH], [0])
	8	m4_define([V_EXTRA], [pre])
	9	m4_define([V_STRING], [V_MAJOR.V_MINOR.V_PATCH])
	10	m4_ifdef([V_EXTRA], [m4_append([V_STRING], [-V_EXTRA])])
16f9d99c PP	11	m4_define([V_NAME], [[Herbe à Détourne]])
16f9d99c PP	12	m4_define([V_DESC], [[Brewed with unrestrained amounts of Citra hop, the Herbe à Détourne is a fantastic New World Tripel brewed by "Dieu du Ciel!". Aromas of mango, cantaloupe melon and passion fruit, combined with a controlled bitter finish, unite in making this smooth golden-orange beer stand apart.]])
58f107eb PP	13
58f107eb PP	14	AC_INIT([lttng-ust],V_STRING,[mathieu dot desnoyers at efficios dot com])
a334646a MD	15
	16	# Following the numbering scheme proposed by libtool for the library version
	17	# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
41a2a9aa	18	# This is the library version of liblttng-ust.
a334646a MD	19	AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0])
	20	# note: remember to update tracepoint.h dlopen() to match this version
	21	# number. TODO: eventually automate by exporting the major number.
	22
41a2a9aa MD	23	# This is the library version of liblttng-ust-ctl, used internally by
41a2a9aa MD	24	# liblttng-ust, lttng-sessiond, and lttng-consumerd.
76bacff6	25	AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [2:0:0])
41a2a9aa	26
55355fa5	27	AC_CONFIG_AUX_DIR([config])
9441df61 PMF	28	AC_CANONICAL_TARGET
9441df61 PMF	29	AC_CANONICAL_HOST
50f3dba0	30	AC_CONFIG_MACRO_DIR([config])
a995492f	31	AM_INIT_AUTOMAKE([1.9 foreign dist-bzip2 no-dist-gzip tar-ustar])
846154aa	32	AM_MAINTAINER_MODE([enable])
50f3dba0	33	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
4318ae1b	34	AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
4846fadc AM	35
4846fadc AM	36	# Configuration options, which will be installed in the config.h
562c813a MD	37	AC_CONFIG_HEADERS([config.h include/lttng/ust-config.h])
562c813a MD	38	AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
02120ddf	39	AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
d58d1454	40	AH_TEMPLATE([LTTNG_UST_HAVE_PERF_EVENT], [Perf event integration via perf_event.h])
23c8854a	41
58f107eb	42	# Substitute minor/major/patchlevel version numbers
23c8854a	43	AC_PROG_SED
58f107eb PP	44	AC_SUBST([MAJOR_VERSION], [V_MAJOR])
	45	AC_SUBST([MINOR_VERSION], [V_MINOR])
	46	AC_SUBST([PATCHLEVEL_VERSION], [V_PATCH])
161239e0	47
faebb418	48	AC_PROG_GREP
85e09133	49	AC_PROG_LN_S
faebb418 CB	50	# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
	51	AC_ARG_ENABLE(libtool-linkdep-fixup,
	52	AS_HELP_STRING([--disable-libtool-linkdep-fixup],
	53	[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
	54	libtool_fixup=$enableval,
	55	libtool_fixup=yes)
	56
	57	AS_IF([test "x$libtool_fixup" = "xyes"],
	58	[
	59	libtool_m4="$srcdir/config/libtool.m4"
	60	libtool_flag_pattern=".link_all_deplibs\s,\s\$1\s)"
	61	AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
	62	libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s=\sno" $libtool_m4)
	63	AS_IF([test $libtool_flag_pattern_count -ne 0],
	64	[
	65	AC_MSG_RESULT([$libtool_flag_pattern_count])
	66	AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
	67	sed -i "s/\($libtool_flag_pattern\)\s=\sno/\1=unknown/g" $libtool_m4
	68	],
	69	[
	70	AC_MSG_RESULT([none])
	71	])
	72	])
	73
824a00a7 MD	74	AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
824a00a7 MD	75
1304f3df PMF	76	# Checks for programs.
1304f3df PMF	77	AC_PROG_CC
6b79f035	78	AC_PROG_CXX
1304f3df	79	AC_PROG_MAKE_SET
fa1c6efe	80	LT_INIT
1304f3df	81
340f7763 SM	82	# rw_PROG_CXX_WORKS
	83	# Check whether the C++ compiler works.
	84	AC_CACHE_CHECK([whether the C++ compiler works],
	85	[rw_cv_prog_cxx_works],
	86	[AC_LANG_PUSH([C++])
	87	AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
8481f7a0	88	[check_cxx_designated_initializers=yes],
340f7763	89	[rw_cv_prog_cxx_works=no])
8481f7a0 ZT	90	if test "$check_cxx_designated_initializers" = "yes"; then
	91	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	92	struct foo { int a; int b; };
	93	void fct(void)
	94	{
	95	struct foo f = { .a = 0, .b = 1 };
	96	}
	97	]])],[
	98	rw_cv_prog_cxx_works=yes
	99	],[
	100	rw_cv_prog_cxx_works=no
	101	])
	102	fi
340f7763 SM	103	AC_LANG_POP([C++])])
	104
	105	AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
	106
f1d4b810 CB	107	# Check if the compiler support weak symbols
	108	AX_SYS_WEAK_ALIAS
	109
	110	if test "x${ax_cv_sys_weak_alias}" = "xno"; then
	111	AC_MSG_ERROR([Your platform doesn't support weak symbols.])
	112	fi
	113
1304f3df	114	## Checks for libraries.
c6c454ab MD	115	AC_CHECK_LIB([dl], [dlopen],
	116	[
	117	have_libdl=yes
	118	],
	119	[
	120	#libdl not found, check for dlopen in libc.
	121	AC_CHECK_LIB([c], [dlopen],
	122	[
	123	have_libc_dl=yes
	124	],
	125	[
	126	AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	127	])
	128	])
	129	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
	130	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
	131
e26c8207	132	AC_CHECK_LIB([pthread], [pthread_create])
1304f3df	133
f9ff7aa4 RN	134	# Check for dlfcn.h
	135	AC_CHECK_HEADER([dlfcn.h])
	136	AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"],
	137	[AC_CHECK_DECLS([RTLD_DI_LINKMAP],,,
	138	[#define _GNU_SOURCE /* Required on Linux to get GNU extensions */
	139	#include <dlfcn.h>])
	140	],
	141	[ac_cv_have_decl_RTLD_DI_LINKMAP="no"])
	142	AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
	143
1304f3df PMF	144	# Checks for header files.
	145	#AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
	146
	147	# Checks for typedefs, structures, and compiler characteristics.
	148	AC_C_INLINE
	149	#AC_TYPE_INT16_T
	150	#AC_TYPE_INT32_T
	151	#AC_TYPE_INT64_T
	152	#AC_TYPE_INT8_T
	153	#AC_TYPE_PID_T
	154	#AC_TYPE_SIZE_T
	155	#AC_TYPE_SSIZE_T
	156	#AC_TYPE_UINT16_T
	157	#AC_TYPE_UINT32_T
	158	#AC_TYPE_UINT64_T
	159	#AC_TYPE_UINT8_T
	160	#AC_CHECK_TYPES([ptrdiff_t])
	161
	162	# Checks for library functions.
	163	AC_FUNC_MALLOC
e9d165be	164	AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
1304f3df	165
fbae86d6 MD	166	CFLAGS="-Wall $CFLAGS"
fbae86d6 MD	167
8624c549 PMF	168	# URCU
	169
	170	# urcu - check if we just find the headers it out of the box.
135987a5	171	AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
cacb7fbe	172	This error can also occur when the liburcu package's configure script has not been run.])])
bf956ec0 MD	173
	174	# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
	175	# Part of Userspace RCU library 0.7.2 or better.
	176	AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
	177	liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
8624c549	178
b5a3dfa5	179	AC_MSG_CHECKING([caa_likely()])
31b07350	180	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
b5a3dfa5	181	#include <urcu/compiler.h>
b5a3dfa5 MD	182	void fct(void)
	183	{
	184	if (caa_likely(1)) {
	185	}
	186	}
727bb6cb	187	]])],[
b5a3dfa5	188	AC_MSG_RESULT([yes])
727bb6cb	189	],[
b5a3dfa5 MD	190	AC_MSG_RESULT([no])
b5a3dfa5 MD	191	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
727bb6cb MD	192
727bb6cb MD	193	])
b5a3dfa5	194
8624c549	195	# urcu - check that URCU lib is available to compilation
cfa0520d	196	AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
e3073410	197
a6830b14 MD	198	# urcu - check that URCU lib is at least version 0.6
a6830b14 MD	199	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	200
d58d1454 MD	201	# optional linux/perf_event.h
d58d1454 MD	202	AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
d58d1454	203
1113f842 CB	204	# Perf event counters are only supported on x86 so far.
	205	AC_MSG_CHECKING([UST support for architecture perf event counters])
	206	case $host_cpu in
	207	changequote(,)dnl
	208	i[3456]86)
	209	changequote([,])dnl
	210	UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	211	x86_64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	212	amd64) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=yes;;
	213	*) UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS=no;;
	214	esac
	215	AC_MSG_RESULT([$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS])
	216
	217	AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"])
	218
	219	if test "x$have_perf_event" = "xyes" -a "x$UST_SUPPORT_FOR_ARCH_PERF_EVENT_COUNTERS" = "xyes"; then
d58d1454 MD	220	AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
	221	fi
	222
dca6e79f	223	AC_MSG_CHECKING([host system alignment requirements])
8fb0c941	224	case $host_cpu in
8c98245f PA	225	changequote(,)dnl
	226	i[3456]86)
	227	changequote([,])dnl
8c98245f	228	;;
dca6e79f MD	229	x86_64) ;;
	230	amd64) ;;
	231	powerpc) ;;
	232	ppc64) ;;
819caf5a	233	ppc64le) ;;
dca6e79f	234	powerpc64) ;;
819caf5a	235	powerpc64le) ;;
dca6e79f MD	236	s390) NO_UNALIGNED_ACCESS=1 ;;
	237	s390x) NO_UNALIGNED_ACCESS=1 ;;
	238	arm*) NO_UNALIGNED_ACCESS=1 ;;
cf88e0d1	239	aarch64) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	240	mips*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	241	tile*) NO_UNALIGNED_ACCESS=1 ;;
0ea8bd08 MJ	242	*)
	243	UNSUPPORTED_ARCH=1
	244	NO_UNALIGNED_ACCESS=1
	245	;;
9441df61	246	esac
f039c6b0	247	AC_MSG_RESULT([$host_cpu])
ed452f03	248
2699970a	249	if test x$NO_UNALIGNED_ACCESS = x ; then
562c813a	250	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
2699970a JW	251	fi
2699970a JW	252
2b6f8df9	253	# Check for JNI header files if requested
8d179959 CB	254	AC_ARG_ENABLE([jni-interface],
8d179959 CB	255	[AS_HELP_STRING([--enable-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
d8ecdf42	256	[jni_interface=$enableval],
b2263155 AM	257	[jni_interface=no]
b2263155 AM	258	)
2b6f8df9	259
b2263155	260	AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
2b6f8df9	261
501f6777 CB	262
	263	AC_ARG_ENABLE([java-agent-jul],
	264	[AS_HELP_STRING([--enable-java-agent-jul],[build the LTTng UST Java agent with JUL support [default=no]])],
	265	[java_agent_jul=$enableval],
	266	[java_agent_jul=no]
	267	)
	268
	269	AC_ARG_ENABLE([java-agent-log4j],
	270	[AS_HELP_STRING([--enable-java-agent-log4j],[build the LTTng UST Java agent with Log4j support [default=no]])],
	271	[java_agent_log4j=$enableval],
	272	[java_agent_log4j=no]
	273	)
	274
	275	AC_ARG_ENABLE([java-agent-all],
	276	[AS_HELP_STRING([--enable-java-agent-all],[build the LTTng UST Java agent with all supported backends [default=no]])],
	277	[java_agent_jul=$enableval
	278	java_agent_log4j=$enableval],
	279	[:]
	280	)
	281
	282
	283	AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"])
	284	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
	285	AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
	286
	287	if test "x$jni_interface" = "xyes" \|\| test "x$java_agent_jul" = "xyes" \|\| test "x$java_agent_log4j" = "xyes"; then
	288	AX_JAVA_OPTIONS
	289	AX_PROG_JAVAC
	290	AX_PROG_JAVA
	291	AX_PROG_JAR
	292
	293	AX_JNI_INCLUDE_DIR
	294	for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
	295	do
	296	CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR"
	297	done
	298
	299	AX_PROG_JAVAH
	300	fi
	301
	302	if test "x$java_agent_log4j" = "xyes"; then
	303	AX_CHECK_CLASSPATH
	304
	305	AX_CHECK_CLASS(org.apache.log4j.Logger)
	306
	307	if test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"; then
	308	AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
	309	fi
	310	fi
	311
c3e14096 DG	312	# Option to build the python agent
	313	AC_ARG_ENABLE([python-agent],
	314	[AS_HELP_STRING([--enable-python-agent],[build the LTTng UST Python agent [default=no]])],
	315	[python_agent=$enableval],
	316	[:]
	317	)
	318	AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
55c9e5ae JR	319	if test "x$python_agent" = "xyes"; then
	320	AM_PATH_PYTHON([2.7])
	321	fi
c3e14096	322
4846fadc AM	323	# sdt.h integration
4846fadc AM	324	AC_ARG_WITH([sdt],
02120ddf	325	[AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
4846fadc AM	326	[with_sdt=$withval],
	327	[with_sdt="no"]
	328	)
	329
	330	AS_IF([test "x$with_sdt" = "xyes"],[
491f30fe MD	331	AC_MSG_CHECKING([STAP_PROBEV()])
	332	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	333	#define SDT_USE_VARIADIC
	334	#include <sys/sdt.h>
	335	void fct(void)
	336	{
	337	STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	338	}
	339	]])],[
	340	AC_MSG_RESULT([yes])
562c813a	341	AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
4846fadc	342	],[
491f30fe	343	AC_MSG_RESULT([no])
135987a5	344	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	345	])
	346	])
	347
ccb19569 MD	348	AC_MSG_CHECKING([whether shared libraries are enabled])
	349	AS_IF([test "x$enable_shared" = "xyes"],
	350	[
	351	AC_MSG_RESULT([yes])
	352	],
	353	[
	354	AC_MSG_RESULT([no])
	355	AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
	356	])
	357
751d4e91 MD	358	AC_ARG_WITH([lttng-system-rundir],
	359	AS_HELP_STRING([--with-lttng-system-rundir],
	360	[Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	361	[lttng_system_rundir="$withval"],
	362	[lttng_system_rundir="/var/run/lttng"])
	363	AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	364	[LTTng system runtime directory])
	365
fc504d0c	366	AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES],[python],["yes"])
2b90f1d3 JG	367	AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES], [Build examples requiring lttng-gen-tp])
2b90f1d3 JG	368
55355fa5 JB	369	AC_CONFIG_FILES([
55355fa5 JB	370	Makefile
7ccf75d3 MD	371	doc/Makefile
7ccf75d3 MD	372	doc/examples/Makefile
69400ac4	373	include/Makefile
b728d87e	374	include/lttng/ust-version.h
69400ac4	375	snprintf/Makefile
4931a13e	376	libringbuffer/Makefile
69400ac4 MD	377	liblttng-ust-comm/Makefile
	378	liblttng-ust/Makefile
	379	liblttng-ust-ctl/Makefile
	380	liblttng-ust-fork/Makefile
b13d93c2	381	liblttng-ust-dl/Makefile
69400ac4	382	liblttng-ust-java/Makefile
501f6777 CB	383	liblttng-ust-java-agent/Makefile
501f6777 CB	384	liblttng-ust-java-agent/java/Makefile
8e57e02f AM	385	liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
	386	liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
	387	liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
501f6777	388	liblttng-ust-java-agent/jni/Makefile
8ab5c06b	389	liblttng-ust-java-agent/jni/common/Makefile
501f6777 CB	390	liblttng-ust-java-agent/jni/jul/Makefile
501f6777 CB	391	liblttng-ust-java-agent/jni/log4j/Makefile
476037d9	392	liblttng-ust-libc-wrapper/Makefile
70d654f2	393	liblttng-ust-cyg-profile/Makefile
c3e14096	394	liblttng-ust-python-agent/Makefile
5b6ff569 PP	395	python-lttngust/Makefile
	396	python-lttngust/setup.py
	397	python-lttngust/lttngust/__init__.py
b25c5b37	398	tools/Makefile
6dd969b5	399	tests/Makefile
c785c634	400	tests/ctf-types/Makefile
6dd969b5	401	tests/hello/Makefile
6b79f035	402	tests/hello.cxx/Makefile
90c09854	403	tests/same_line_tracepoint/Makefile
d23b20e9	404	tests/snprintf/Makefile
22609c7a	405	tests/ust-elf/Makefile
a44af49d	406	tests/benchmark/Makefile
9a4b88ff	407	tests/utils/Makefile
53569322	408	tests/test-app-ctx/Makefile
74a6d87b	409	lttng-ust.pc
55355fa5	410	])
1f9eff07	411
bf261856 JR	412	# Create link for python agent for the VPATH guru.
bf261856 JR	413	AC_CONFIG_LINKS([
5b6ff569 PP	414	python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py
	415	python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py
	416	python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py
	417	python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py
bf261856 JR	418	])
bf261856 JR	419
1304f3df	420	AC_OUTPUT
1f9eff07	421
16f9d99c	422	AS_ECHO(["m4_bpatsubst(V_NAME, ["], [\\"])"])
649282a8	423	AS_ECHO()
16f9d99c	424	AS_ECHO(["m4_bpatsubst(V_DESC, ["], [\\"])"])
649282a8	425
1f9eff07 AM	426	# Report on the configuration options
	427	AS_ECHO()
	428	AS_ECHO("LTTng-UST will be built with the following options:")
1f9eff07 AM	429
1f9eff07 AM	430	AS_ECHO()
501f6777 CB	431
	432	AS_ECHO_N("Java agent (JUL support): ")
	433	AS_IF([test "x$java_agent_jul" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	434
	435	AS_ECHO_N("Java agent (Log4j support): ")
	436	AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	437
	438	AS_ECHO_N("JNI interface (JNI): ")
1f9eff07 AM	439	AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
1f9eff07 AM	440
6db646df	441	AS_ECHO_N("Python ($PYTHON) agent: ")
c3e14096 DG	442	AS_IF([test "x$python_agent" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
c3e14096 DG	443
bb9b5c2d	444	AS_ECHO_N("sdt.h integration: ")
1f9eff07 AM	445	AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
1f9eff07 AM	446
0ea8bd08 MJ	447	AS_ECHO("Architecture: $host_cpu")
	448	AS_ECHO_N("Efficient unaligned memory access: ")
	449	AS_IF([test "x$NO_UNALIGNED_ACCESS" != "x1"], [AS_ECHO("yes")], [AS_IF([test "x$UNSUPPORTED_ARCH" != "x1"], [AS_ECHO("no")], [AS_ECHO("unknown")])])
	450	AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"], [AC_MSG_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access])])
1f9eff07	451	AS_ECHO()
0ea8bd08	452
1f9eff07 AM	453	AS_ECHO("Type 'make' to compile.")
1f9eff07 AM	454