[lttng-ust.git] / configure.ac

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

AC_INIT([lttng-ust],[2.3.2],[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])
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="Dominus Vobiscum"
version_description="A very succulent line-up of beers brewed at Microbrasserie Charlevoix. Elaborated starting from special malts and fermented with a Belgian yeast. These beers are refermented in bottle and will make you discover the richness of wheat, amber and triple styles."

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])

# 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

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=""]
)
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_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_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-java/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 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
de55c7d0	4	AC_INIT([lttng-ust],[2.3.2],[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])
50f3dba0	22	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
4318ae1b	23	AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
4846fadc AM	24
4846fadc AM	25	# Configuration options, which will be installed in the config.h
562c813a MD	26	AC_CONFIG_HEADERS([config.h include/lttng/ust-config.h])
562c813a MD	27	AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
02120ddf	28	AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
23c8854a	29
b728d87e	30	# Compute minor/major/patchlevel version numbers
23c8854a	31	AC_PROG_SED
2694975d MD	32	major_version=$(echo AC_PACKAGE_VERSION \| sed 's/^\([[0-9]]\)\.[[0-9]]\.[[0-9]].$/\1/')
	33	minor_version=$(echo AC_PACKAGE_VERSION \| sed 's/^[[0-9]]\.\([[0-9]]\)\.[[0-9]].$/\1/')
	34	patchlevel_version=$(echo AC_PACKAGE_VERSION \| sed 's/^[[0-9]]\.[[0-9]]\.\([[0-9]]\).$/\1/')
161239e0 YB	35	AC_SUBST([MAJOR_VERSION], [$major_version])
161239e0 YB	36	AC_SUBST([MINOR_VERSION], [$minor_version])
b728d87e	37	AC_SUBST([PATCHLEVEL_VERSION], [$patchlevel_version])
161239e0 YB	38	AC_DEFINE_UNQUOTED([VERSION_MAJOR], $major_version, [UST major version number])
161239e0 YB	39	AC_DEFINE_UNQUOTED([VERSION_MINOR], $minor_version, [UST minor version number])
b728d87e	40	AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [UST patchlevel version number])
161239e0	41
0ff43c44 MD	42	version_name="Dominus Vobiscum"
	43	version_description="A very succulent line-up of beers brewed at Microbrasserie Charlevoix. Elaborated starting from special malts and fermented with a Belgian yeast. These beers are refermented in bottle and will make you discover the richness of wheat, amber and triple styles."
	44
1c59f149 MD	45	AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], [UST version name])
1c59f149 MD	46	AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], [UST version description])
1304f3df	47
faebb418 CB	48	AC_PROG_GREP
	49	# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
	50	AC_ARG_ENABLE(libtool-linkdep-fixup,
	51	AS_HELP_STRING([--disable-libtool-linkdep-fixup],
	52	[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
	53	libtool_fixup=$enableval,
	54	libtool_fixup=yes)
	55
	56	AS_IF([test "x$libtool_fixup" = "xyes"],
	57	[
	58	libtool_m4="$srcdir/config/libtool.m4"
	59	libtool_flag_pattern=".link_all_deplibs\s,\s\$1\s)"
	60	AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
	61	libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s=\sno" $libtool_m4)
	62	AS_IF([test $libtool_flag_pattern_count -ne 0],
	63	[
	64	AC_MSG_RESULT([$libtool_flag_pattern_count])
	65	AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
	66	sed -i "s/\($libtool_flag_pattern\)\s=\sno/\1=unknown/g" $libtool_m4
	67	],
	68	[
	69	AC_MSG_RESULT([none])
	70	])
	71	])
	72
824a00a7 MD	73	AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
824a00a7 MD	74
1304f3df PMF	75	# Checks for programs.
1304f3df PMF	76	AC_PROG_CC
6b79f035	77	AC_PROG_CXX
1304f3df	78	AC_PROG_MAKE_SET
fa1c6efe	79	LT_INIT
1304f3df	80
340f7763 SM	81	# rw_PROG_CXX_WORKS
	82	# Check whether the C++ compiler works.
	83	AC_CACHE_CHECK([whether the C++ compiler works],
	84	[rw_cv_prog_cxx_works],
	85	[AC_LANG_PUSH([C++])
	86	AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
8481f7a0	87	[check_cxx_designated_initializers=yes],
340f7763	88	[rw_cv_prog_cxx_works=no])
8481f7a0 ZT	89	if test "$check_cxx_designated_initializers" = "yes"; then
	90	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	91	struct foo { int a; int b; };
	92	void fct(void)
	93	{
	94	struct foo f = { .a = 0, .b = 1 };
	95	}
	96	]])],[
	97	rw_cv_prog_cxx_works=yes
	98	],[
	99	rw_cv_prog_cxx_works=no
	100	])
	101	fi
340f7763 SM	102	AC_LANG_POP([C++])])
	103
	104	AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
	105
1304f3df	106	## Checks for libraries.
c6c454ab MD	107	AC_CHECK_LIB([dl], [dlopen],
	108	[
	109	have_libdl=yes
	110	],
	111	[
	112	#libdl not found, check for dlopen in libc.
	113	AC_CHECK_LIB([c], [dlopen],
	114	[
	115	have_libc_dl=yes
	116	],
	117	[
	118	AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	119	])
	120	])
	121	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
	122	AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
	123
e26c8207	124	AC_CHECK_LIB([pthread], [pthread_create])
1304f3df PMF	125
	126	# Checks for header files.
	127	#AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
	128
	129	# Checks for typedefs, structures, and compiler characteristics.
	130	AC_C_INLINE
	131	#AC_TYPE_INT16_T
	132	#AC_TYPE_INT32_T
	133	#AC_TYPE_INT64_T
	134	#AC_TYPE_INT8_T
	135	#AC_TYPE_PID_T
	136	#AC_TYPE_SIZE_T
	137	#AC_TYPE_SSIZE_T
	138	#AC_TYPE_UINT16_T
	139	#AC_TYPE_UINT32_T
	140	#AC_TYPE_UINT64_T
	141	#AC_TYPE_UINT8_T
	142	#AC_CHECK_TYPES([ptrdiff_t])
	143
	144	# Checks for library functions.
	145	AC_FUNC_MALLOC
e9d165be	146	AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
1304f3df	147
fbae86d6 MD	148	CFLAGS="-Wall $CFLAGS"
fbae86d6 MD	149
8624c549 PMF	150	# URCU
	151
	152	# urcu - check if we just find the headers it out of the box.
135987a5	153	AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
cacb7fbe	154	This error can also occur when the liburcu package's configure script has not been run.])])
bf956ec0 MD	155
	156	# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
	157	# Part of Userspace RCU library 0.7.2 or better.
	158	AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
	159	liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
8624c549	160
b5a3dfa5	161	AC_MSG_CHECKING([caa_likely()])
31b07350	162	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
b5a3dfa5	163	#include <urcu/compiler.h>
b5a3dfa5 MD	164	void fct(void)
	165	{
	166	if (caa_likely(1)) {
	167	}
	168	}
727bb6cb	169	]])],[
b5a3dfa5	170	AC_MSG_RESULT([yes])
727bb6cb	171	],[
b5a3dfa5 MD	172	AC_MSG_RESULT([no])
b5a3dfa5 MD	173	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
727bb6cb MD	174
727bb6cb MD	175	])
b5a3dfa5	176
8624c549	177	# urcu - check that URCU lib is available to compilation
cfa0520d	178	AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
e3073410	179
a6830b14 MD	180	# urcu - check that URCU lib is at least version 0.6
a6830b14 MD	181	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	182
dca6e79f	183	AC_MSG_CHECKING([host system alignment requirements])
8fb0c941	184	case $host_cpu in
8c98245f PA	185	changequote(,)dnl
	186	i[3456]86)
	187	changequote([,])dnl
8c98245f	188	;;
dca6e79f MD	189	x86_64) ;;
	190	amd64) ;;
	191	powerpc) ;;
	192	ppc64) ;;
	193	powerpc64) ;;
	194	s390) NO_UNALIGNED_ACCESS=1 ;;
	195	s390x) NO_UNALIGNED_ACCESS=1 ;;
	196	arm*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	197	mips*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	198	tile*) NO_UNALIGNED_ACCESS=1 ;;
dca6e79f	199	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
9441df61	200	esac
ed452f03	201
2699970a	202	if test x$NO_UNALIGNED_ACCESS = x ; then
562c813a	203	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
2699970a JW	204	fi
2699970a JW	205
2b6f8df9	206	# Set compile flags to java include files if given
b2263155 AM	207	AC_ARG_WITH([java-jdk],
	208	[AS_HELP_STRING([--with-java-jdk=DIR],[use the Java JDK in DIR. Ex : $JAVA_HOME.])],
	209	[JAVA_JDK=$withval],
	210	[JAVA_JDK=""]
	211	)
	212	AS_IF([test $JAVA_JDK],[
	213	AS_IF([test -d $JAVA_JDK],[
	214	AC_MSG_RESULT([using Java includes in $JAVA_SDK])
	215	SUBDIRS=`find $JAVA_JDK/include -type d`
135987a5 MD	216	CPPFLAGS+=" "
	217	CPPFLAGS+=`for x in $SUBDIRS; do echo -n "-I$x "; done`
	218	CPPFLAGS+=" "
b2263155 AM	219	],[
	220	AC_MSG_ERROR(Unable to find Java include files in $JAVA_JDK)
	221	])
	222	])
2b6f8df9 MD	223
2b6f8df9 MD	224	# Check for JNI header files if requested
b2263155 AM	225	AC_ARG_WITH([jni-interface],
	226	[AS_HELP_STRING([--with-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
	227	[jni_interface=$withval],
	228	[jni_interface=no]
	229	)
2b6f8df9	230
b2263155 AM	231	AS_IF([test "x$jni_interface" = "xyes"],[
	232	AC_CHECK_HEADERS([jni.h],[],[
	233	AC_MSG_ERROR([missing jni.h
	234	Make sure Sun Java, OpenJDK or GCJ is installed and that this header file exists in the system path.
	235	Use the --with-java-jdk=DIR flag to point to your Java include files, or disable the JNI interface.])
	236	])
	237	])
	238	AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
2b6f8df9	239
4846fadc AM	240	# sdt.h integration
4846fadc AM	241	AC_ARG_WITH([sdt],
02120ddf	242	[AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
4846fadc AM	243	[with_sdt=$withval],
	244	[with_sdt="no"]
	245	)
	246
	247	AS_IF([test "x$with_sdt" = "xyes"],[
491f30fe MD	248	AC_MSG_CHECKING([STAP_PROBEV()])
	249	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	250	#define SDT_USE_VARIADIC
	251	#include <sys/sdt.h>
	252	void fct(void)
	253	{
	254	STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	255	}
	256	]])],[
	257	AC_MSG_RESULT([yes])
562c813a	258	AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
4846fadc	259	],[
491f30fe	260	AC_MSG_RESULT([no])
135987a5	261	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	262	])
	263	])
	264
751d4e91 MD	265	AC_ARG_WITH([lttng-system-rundir],
	266	AS_HELP_STRING([--with-lttng-system-rundir],
	267	[Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	268	[lttng_system_rundir="$withval"],
	269	[lttng_system_rundir="/var/run/lttng"])
	270	AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	271	[LTTng system runtime directory])
	272
55355fa5 JB	273	AC_CONFIG_FILES([
55355fa5 JB	274	Makefile
7ccf75d3 MD	275	doc/Makefile
7ccf75d3 MD	276	doc/examples/Makefile
69400ac4	277	include/Makefile
b728d87e	278	include/lttng/ust-version.h
69400ac4	279	snprintf/Makefile
4931a13e	280	libringbuffer/Makefile
69400ac4 MD	281	liblttng-ust-comm/Makefile
	282	liblttng-ust/Makefile
	283	liblttng-ust-ctl/Makefile
	284	liblttng-ust-fork/Makefile
	285	liblttng-ust-java/Makefile
476037d9	286	liblttng-ust-libc-wrapper/Makefile
70d654f2	287	liblttng-ust-cyg-profile/Makefile
b25c5b37	288	tools/Makefile
6dd969b5 PMF	289	tests/Makefile
6dd969b5 PMF	290	tests/hello/Makefile
6b79f035	291	tests/hello.cxx/Makefile
90c09854	292	tests/same_line_tracepoint/Makefile
d23b20e9	293	tests/snprintf/Makefile
a44af49d	294	tests/benchmark/Makefile
9a4b88ff	295	tests/utils/Makefile
74a6d87b	296	lttng-ust.pc
55355fa5	297	])
1f9eff07	298
1304f3df	299	AC_OUTPUT
1f9eff07	300
649282a8 MD	301	AS_ECHO()
	302	AS_ECHO("Version name: $version_name")
	303	AS_ECHO("$version_description")
	304
1f9eff07 AM	305	# Report on the configuration options
	306	AS_ECHO()
	307	AS_ECHO("LTTng-UST will be built with the following options:")
1f9eff07 AM	308
	309	AS_ECHO()
	310	AS_ECHO_N("Java support (JNI): ")
	311	AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	312
	313	AS_ECHO_N("sdt.h integration: ")
	314	AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	315
	316	AS_ECHO()
	317	AS_ECHO("Type 'make' to compile.")
	318