[lttng-ust.git] / configure.ac

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

AC_INIT([lttng-ust],[2.4.0],[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])

# 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="Époque Opaque"
version_description="The Époque Opaque is a black IPA from Trou du Diable brewery. The nose is eerily reminiscent of the coffee crisp candy from of our childhood. These strong mocha accents are present on the palate, which are quickly subdued by Japanese and Australian hops leading to a final state of satisfaction enjoyable for any fan of bitter beer."

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.])])

AC_MSG_CHECKING([host system alignment requirements])
case $host_cpu in
changequote(,)dnl
	i[3456]86)
changequote([,])dnl
	  ;;
	x86_64) ;;
	amd64) ;;
	powerpc) ;;
	ppc64) ;;
	powerpc64) ;;
	s390) NO_UNALIGNED_ACCESS=1 ;;
	s390x) NO_UNALIGNED_ACCESS=1 ;;
        arm*) NO_UNALIGNED_ACCESS=1 ;;
	mips*) NO_UNALIGNED_ACCESS=1 ;;
	tile*) NO_UNALIGNED_ACCESS=1 ;;
	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($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

# Set compile flags to java include files if given
AC_ARG_WITH([java-jdk],
	[AS_HELP_STRING([--with-java-jdk=DIR],[use the Java JDK in DIR. Ex : $JAVA_HOME.])],
	[JAVA_JDK=$withval],
	[JAVA_JDK=""]
)
AM_CONDITIONAL([HAVE_JAVA_JDK], [test $JAVA_JDK], [Java JDK path])
AC_SUBST([JAVA_JDK])

AS_IF([test $JAVA_JDK],[
	AS_IF([test -d $JAVA_JDK],[
                AC_MSG_RESULT([using Java includes in $JAVA_SDK])
                SUBDIRS=`find $JAVA_JDK/include -type d`
		CPPFLAGS+=" "
                CPPFLAGS+=`for x in $SUBDIRS; do echo -n "-I$x "; done`
		CPPFLAGS+=" "
        ],[
                AC_MSG_ERROR(Unable to find Java include files in $JAVA_JDK)
        ])
])

# Check for JNI header files if requested
AC_ARG_WITH([jni-interface],
	[AS_HELP_STRING([--with-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
	[jni_interface=$withval],
	[jni_interface=no]
)

AS_IF([test "x$jni_interface" = "xyes"],[
        AC_CHECK_HEADERS([jni.h],[],[
        AC_MSG_ERROR([missing jni.h
Make sure Sun Java, OpenJDK or GCJ is installed and that this header file exists in the system path.
Use the --with-java-jdk=DIR flag to point to your Java include files, or disable the JNI interface.])
	])
])
AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])

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

AS_IF([test "x$with_sdt" = "xyes"],[
	AC_MSG_CHECKING([STAP_PROBEV()])
	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	#define SDT_USE_VARIADIC
	#include <sys/sdt.h>
	void fct(void)
	{
		STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	}
	]])],[
		AC_MSG_RESULT([yes])
		AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
	],[
		AC_MSG_RESULT([no])
		AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
	])
])

AC_MSG_CHECKING([whether shared libraries are enabled])
AS_IF([test "x$enable_shared" = "xyes"],
	[
		AC_MSG_RESULT([yes])
	],
	[
		AC_MSG_RESULT([no])
		AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
	])

AC_ARG_WITH([lttng-system-rundir],
	AS_HELP_STRING([--with-lttng-system-rundir],
	[Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	[lttng_system_rundir="$withval"],
	[lttng_system_rundir="/var/run/lttng"])
AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	[LTTng system runtime directory])

lttnglibjavadir="${libdir}/lttng/java"
AC_SUBST(lttnglibjavadir)

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-jul/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
	tests/java-jul/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 support (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
5ba5bf7f	4	AC_INIT([lttng-ust],[2.4.0],[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])
23c8854a	30
b728d87e	31	# Compute minor/major/patchlevel version numbers
23c8854a	32	AC_PROG_SED
2694975d MD	33	major_version=$(echo AC_PACKAGE_VERSION \| sed 's/^\([[0-9]]\)\.[[0-9]]\.[[0-9]].$/\1/')
	34	minor_version=$(echo AC_PACKAGE_VERSION \| sed 's/^[[0-9]]\.\([[0-9]]\)\.[[0-9]].$/\1/')
	35	patchlevel_version=$(echo AC_PACKAGE_VERSION \| sed 's/^[[0-9]]\.[[0-9]]\.\([[0-9]]\).$/\1/')
161239e0 YB	36	AC_SUBST([MAJOR_VERSION], [$major_version])
161239e0 YB	37	AC_SUBST([MINOR_VERSION], [$minor_version])
b728d87e	38	AC_SUBST([PATCHLEVEL_VERSION], [$patchlevel_version])
161239e0 YB	39	AC_DEFINE_UNQUOTED([VERSION_MAJOR], $major_version, [UST major version number])
161239e0 YB	40	AC_DEFINE_UNQUOTED([VERSION_MINOR], $minor_version, [UST minor version number])
b728d87e	41	AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [UST patchlevel version number])
161239e0	42
48de55ad MD	43	version_name="Époque Opaque"
48de55ad MD	44	version_description="The Époque Opaque is a black IPA from Trou du Diable brewery. The nose is eerily reminiscent of the coffee crisp candy from of our childhood. These strong mocha accents are present on the palate, which are quickly subdued by Japanese and Australian hops leading to a final state of satisfaction enjoyable for any fan of bitter beer."
0ff43c44	45
1c59f149 MD	46	AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], [UST version name])
1c59f149 MD	47	AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], [UST version description])
1304f3df	48
faebb418 CB	49	AC_PROG_GREP
	50	# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
	51	AC_ARG_ENABLE(libtool-linkdep-fixup,
	52	AS_HELP_STRING([--disable-libtool-linkdep-fixup],
	53	[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
	54	libtool_fixup=$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
1304f3df	107	## Checks for libraries.
c6c454ab MD	108	AC_CHECK_LIB([dl], [dlopen],
	109	[
	110	have_libdl=yes
	111	],
	112	[
	113	#libdl not found, check for dlopen in libc.
	114	AC_CHECK_LIB([c], [dlopen],
	115	[
	116	have_libc_dl=yes
	117	],
	118	[
	119	AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	120	])
	121	])
	122	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
	123	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
	124
e26c8207	125	AC_CHECK_LIB([pthread], [pthread_create])
1304f3df	126
f9ff7aa4 RN	127	# Check for dlfcn.h
	128	AC_CHECK_HEADER([dlfcn.h])
	129	AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"],
	130	[AC_CHECK_DECLS([RTLD_DI_LINKMAP],,,
	131	[#define _GNU_SOURCE /* Required on Linux to get GNU extensions */
	132	#include <dlfcn.h>])
	133	],
	134	[ac_cv_have_decl_RTLD_DI_LINKMAP="no"])
	135	AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
	136
1304f3df PMF	137	# Checks for header files.
	138	#AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
	139
	140	# Checks for typedefs, structures, and compiler characteristics.
	141	AC_C_INLINE
	142	#AC_TYPE_INT16_T
	143	#AC_TYPE_INT32_T
	144	#AC_TYPE_INT64_T
	145	#AC_TYPE_INT8_T
	146	#AC_TYPE_PID_T
	147	#AC_TYPE_SIZE_T
	148	#AC_TYPE_SSIZE_T
	149	#AC_TYPE_UINT16_T
	150	#AC_TYPE_UINT32_T
	151	#AC_TYPE_UINT64_T
	152	#AC_TYPE_UINT8_T
	153	#AC_CHECK_TYPES([ptrdiff_t])
	154
	155	# Checks for library functions.
	156	AC_FUNC_MALLOC
e9d165be	157	AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
1304f3df	158
fbae86d6 MD	159	CFLAGS="-Wall $CFLAGS"
fbae86d6 MD	160
8624c549 PMF	161	# URCU
	162
	163	# urcu - check if we just find the headers it out of the box.
135987a5	164	AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
cacb7fbe	165	This error can also occur when the liburcu package's configure script has not been run.])])
bf956ec0 MD	166
	167	# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
	168	# Part of Userspace RCU library 0.7.2 or better.
	169	AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
	170	liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
8624c549	171
b5a3dfa5	172	AC_MSG_CHECKING([caa_likely()])
31b07350	173	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
b5a3dfa5	174	#include <urcu/compiler.h>
b5a3dfa5 MD	175	void fct(void)
	176	{
	177	if (caa_likely(1)) {
	178	}
	179	}
727bb6cb	180	]])],[
b5a3dfa5	181	AC_MSG_RESULT([yes])
727bb6cb	182	],[
b5a3dfa5 MD	183	AC_MSG_RESULT([no])
b5a3dfa5 MD	184	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
727bb6cb MD	185
727bb6cb MD	186	])
b5a3dfa5	187
8624c549	188	# urcu - check that URCU lib is available to compilation
cfa0520d	189	AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
e3073410	190
a6830b14 MD	191	# urcu - check that URCU lib is at least version 0.6
a6830b14 MD	192	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	193
dca6e79f	194	AC_MSG_CHECKING([host system alignment requirements])
8fb0c941	195	case $host_cpu in
8c98245f PA	196	changequote(,)dnl
	197	i[3456]86)
	198	changequote([,])dnl
8c98245f	199	;;
dca6e79f MD	200	x86_64) ;;
	201	amd64) ;;
	202	powerpc) ;;
	203	ppc64) ;;
	204	powerpc64) ;;
	205	s390) NO_UNALIGNED_ACCESS=1 ;;
	206	s390x) NO_UNALIGNED_ACCESS=1 ;;
	207	arm*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	208	mips*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	209	tile*) NO_UNALIGNED_ACCESS=1 ;;
dca6e79f	210	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
9441df61	211	esac
f039c6b0	212	AC_MSG_RESULT([$host_cpu])
ed452f03	213
2699970a	214	if test x$NO_UNALIGNED_ACCESS = x ; then
562c813a	215	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
2699970a JW	216	fi
2699970a JW	217
2b6f8df9	218	# Set compile flags to java include files if given
b2263155 AM	219	AC_ARG_WITH([java-jdk],
	220	[AS_HELP_STRING([--with-java-jdk=DIR],[use the Java JDK in DIR. Ex : $JAVA_HOME.])],
	221	[JAVA_JDK=$withval],
	222	[JAVA_JDK=""]
	223	)
43e5396b DG	224	AM_CONDITIONAL([HAVE_JAVA_JDK], [test $JAVA_JDK], [Java JDK path])
	225	AC_SUBST([JAVA_JDK])
	226
b2263155 AM	227	AS_IF([test $JAVA_JDK],[
	228	AS_IF([test -d $JAVA_JDK],[
	229	AC_MSG_RESULT([using Java includes in $JAVA_SDK])
	230	SUBDIRS=`find $JAVA_JDK/include -type d`
135987a5 MD	231	CPPFLAGS+=" "
	232	CPPFLAGS+=`for x in $SUBDIRS; do echo -n "-I$x "; done`
	233	CPPFLAGS+=" "
b2263155 AM	234	],[
	235	AC_MSG_ERROR(Unable to find Java include files in $JAVA_JDK)
	236	])
	237	])
2b6f8df9 MD	238
2b6f8df9 MD	239	# Check for JNI header files if requested
b2263155 AM	240	AC_ARG_WITH([jni-interface],
	241	[AS_HELP_STRING([--with-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
	242	[jni_interface=$withval],
	243	[jni_interface=no]
	244	)
2b6f8df9	245
b2263155 AM	246	AS_IF([test "x$jni_interface" = "xyes"],[
	247	AC_CHECK_HEADERS([jni.h],[],[
	248	AC_MSG_ERROR([missing jni.h
	249	Make sure Sun Java, OpenJDK or GCJ is installed and that this header file exists in the system path.
	250	Use the --with-java-jdk=DIR flag to point to your Java include files, or disable the JNI interface.])
	251	])
	252	])
	253	AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
2b6f8df9	254
4846fadc AM	255	# sdt.h integration
4846fadc AM	256	AC_ARG_WITH([sdt],
02120ddf	257	[AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
4846fadc AM	258	[with_sdt=$withval],
	259	[with_sdt="no"]
	260	)
	261
	262	AS_IF([test "x$with_sdt" = "xyes"],[
491f30fe MD	263	AC_MSG_CHECKING([STAP_PROBEV()])
	264	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	265	#define SDT_USE_VARIADIC
	266	#include <sys/sdt.h>
	267	void fct(void)
	268	{
	269	STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	270	}
	271	]])],[
	272	AC_MSG_RESULT([yes])
562c813a	273	AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
4846fadc	274	],[
491f30fe	275	AC_MSG_RESULT([no])
135987a5	276	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	277	])
	278	])
	279
ccb19569 MD	280	AC_MSG_CHECKING([whether shared libraries are enabled])
	281	AS_IF([test "x$enable_shared" = "xyes"],
	282	[
	283	AC_MSG_RESULT([yes])
	284	],
	285	[
	286	AC_MSG_RESULT([no])
	287	AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
	288	])
	289
751d4e91 MD	290	AC_ARG_WITH([lttng-system-rundir],
	291	AS_HELP_STRING([--with-lttng-system-rundir],
	292	[Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	293	[lttng_system_rundir="$withval"],
	294	[lttng_system_rundir="/var/run/lttng"])
	295	AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	296	[LTTng system runtime directory])
	297
6490eba0 MD	298	lttnglibjavadir="${libdir}/lttng/java"
	299	AC_SUBST(lttnglibjavadir)
	300
dcb6ba25	301	AM_PATH_PYTHON([2.7],BUILD_GEN_TP_EXAMPLES=1,[:])
2b90f1d3 JG	302	AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES], [Build examples requiring lttng-gen-tp])
2b90f1d3 JG	303
55355fa5 JB	304	AC_CONFIG_FILES([
55355fa5 JB	305	Makefile
7ccf75d3 MD	306	doc/Makefile
7ccf75d3 MD	307	doc/examples/Makefile
69400ac4	308	include/Makefile
b728d87e	309	include/lttng/ust-version.h
69400ac4	310	snprintf/Makefile
4931a13e	311	libringbuffer/Makefile
69400ac4 MD	312	liblttng-ust-comm/Makefile
	313	liblttng-ust/Makefile
	314	liblttng-ust-ctl/Makefile
	315	liblttng-ust-fork/Makefile
b13d93c2	316	liblttng-ust-dl/Makefile
69400ac4	317	liblttng-ust-java/Makefile
43e5396b	318	liblttng-ust-jul/Makefile
476037d9	319	liblttng-ust-libc-wrapper/Makefile
70d654f2	320	liblttng-ust-cyg-profile/Makefile
b25c5b37	321	tools/Makefile
6dd969b5 PMF	322	tests/Makefile
6dd969b5 PMF	323	tests/hello/Makefile
6b79f035	324	tests/hello.cxx/Makefile
90c09854	325	tests/same_line_tracepoint/Makefile
d23b20e9	326	tests/snprintf/Makefile
a44af49d	327	tests/benchmark/Makefile
9a4b88ff	328	tests/utils/Makefile
43e5396b	329	tests/java-jul/Makefile
74a6d87b	330	lttng-ust.pc
55355fa5	331	])
1f9eff07	332
1304f3df	333	AC_OUTPUT
1f9eff07	334
649282a8 MD	335	AS_ECHO()
	336	AS_ECHO("Version name: $version_name")
	337	AS_ECHO("$version_description")
	338
1f9eff07 AM	339	# Report on the configuration options
	340	AS_ECHO()
	341	AS_ECHO("LTTng-UST will be built with the following options:")
1f9eff07 AM	342
	343	AS_ECHO()
	344	AS_ECHO_N("Java support (JNI): ")
	345	AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	346
	347	AS_ECHO_N("sdt.h integration: ")
	348	AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	349
	350	AS_ECHO()
	351	AS_ECHO("Type 'make' to compile.")
	352