[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])
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])

# 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])

AC_CHECK_FUNCS([dlinfo])
AM_CONDITIONAL([HAVE_DLINFO], [test "${ac_cv_func_dlinfo}" = "yes"])

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])
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], $patchlevel_version, [UST patchlevel version number])
161239e0	41
48de55ad MD	42	version_name="Époque Opaque"
48de55ad MD	43	version_description="The Époque Opaque is a black IPA from Trou du Diable brewery. The nose is eerily reminiscent of the coffee crisp candy from of our childhood. These strong mocha accents are present on the palate, which are quickly subdued by Japanese and Australian hops leading to a final state of satisfaction enjoyable for any fan of bitter beer."
0ff43c44	44
1c59f149 MD	45	AC_DEFINE_UNQUOTED([VERSION_NAME], ["$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
88a15b8f RN	148	AC_CHECK_FUNCS([dlinfo])
	149	AM_CONDITIONAL([HAVE_DLINFO], [test "${ac_cv_func_dlinfo}" = "yes"])
	150
fbae86d6 MD	151	CFLAGS="-Wall $CFLAGS"
fbae86d6 MD	152
8624c549 PMF	153	# URCU
	154
	155	# urcu - check if we just find the headers it out of the box.
135987a5	156	AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
cacb7fbe	157	This error can also occur when the liburcu package's configure script has not been run.])])
bf956ec0 MD	158
	159	# urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
	160	# Part of Userspace RCU library 0.7.2 or better.
	161	AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
	162	liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
8624c549	163
b5a3dfa5	164	AC_MSG_CHECKING([caa_likely()])
31b07350	165	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
b5a3dfa5	166	#include <urcu/compiler.h>
b5a3dfa5 MD	167	void fct(void)
	168	{
	169	if (caa_likely(1)) {
	170	}
	171	}
727bb6cb	172	]])],[
b5a3dfa5	173	AC_MSG_RESULT([yes])
727bb6cb	174	],[
b5a3dfa5 MD	175	AC_MSG_RESULT([no])
b5a3dfa5 MD	176	AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
727bb6cb MD	177
727bb6cb MD	178	])
b5a3dfa5	179
8624c549	180	# urcu - check that URCU lib is available to compilation
cfa0520d	181	AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
e3073410	182
a6830b14 MD	183	# urcu - check that URCU lib is at least version 0.6
a6830b14 MD	184	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	185
dca6e79f	186	AC_MSG_CHECKING([host system alignment requirements])
8fb0c941	187	case $host_cpu in
8c98245f PA	188	changequote(,)dnl
	189	i[3456]86)
	190	changequote([,])dnl
8c98245f	191	;;
dca6e79f MD	192	x86_64) ;;
	193	amd64) ;;
	194	powerpc) ;;
	195	ppc64) ;;
	196	powerpc64) ;;
	197	s390) NO_UNALIGNED_ACCESS=1 ;;
	198	s390x) NO_UNALIGNED_ACCESS=1 ;;
	199	arm*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	200	mips*) NO_UNALIGNED_ACCESS=1 ;;
bdac72fd SM	201	tile*) NO_UNALIGNED_ACCESS=1 ;;
dca6e79f	202	*) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
9441df61	203	esac
f5a9830b	204	AC_MSG_RESULT([$host_cpu])
ed452f03	205
2699970a	206	if test x$NO_UNALIGNED_ACCESS = x ; then
562c813a	207	AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
2699970a JW	208	fi
2699970a JW	209
2b6f8df9	210	# Set compile flags to java include files if given
b2263155 AM	211	AC_ARG_WITH([java-jdk],
	212	[AS_HELP_STRING([--with-java-jdk=DIR],[use the Java JDK in DIR. Ex : $JAVA_HOME.])],
	213	[JAVA_JDK=$withval],
	214	[JAVA_JDK=""]
	215	)
43e5396b DG	216	AM_CONDITIONAL([HAVE_JAVA_JDK], [test $JAVA_JDK], [Java JDK path])
	217	AC_SUBST([JAVA_JDK])
	218
b2263155 AM	219	AS_IF([test $JAVA_JDK],[
	220	AS_IF([test -d $JAVA_JDK],[
	221	AC_MSG_RESULT([using Java includes in $JAVA_SDK])
	222	SUBDIRS=`find $JAVA_JDK/include -type d`
135987a5 MD	223	CPPFLAGS+=" "
	224	CPPFLAGS+=`for x in $SUBDIRS; do echo -n "-I$x "; done`
	225	CPPFLAGS+=" "
b2263155 AM	226	],[
	227	AC_MSG_ERROR(Unable to find Java include files in $JAVA_JDK)
	228	])
	229	])
2b6f8df9 MD	230
2b6f8df9 MD	231	# Check for JNI header files if requested
b2263155 AM	232	AC_ARG_WITH([jni-interface],
	233	[AS_HELP_STRING([--with-jni-interface],[build JNI interface between C and Java. Needs Java include files [default=no]])],
	234	[jni_interface=$withval],
	235	[jni_interface=no]
	236	)
2b6f8df9	237
b2263155 AM	238	AS_IF([test "x$jni_interface" = "xyes"],[
	239	AC_CHECK_HEADERS([jni.h],[],[
	240	AC_MSG_ERROR([missing jni.h
	241	Make sure Sun Java, OpenJDK or GCJ is installed and that this header file exists in the system path.
	242	Use the --with-java-jdk=DIR flag to point to your Java include files, or disable the JNI interface.])
	243	])
	244	])
	245	AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
2b6f8df9	246
4846fadc AM	247	# sdt.h integration
4846fadc AM	248	AC_ARG_WITH([sdt],
02120ddf	249	[AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
4846fadc AM	250	[with_sdt=$withval],
	251	[with_sdt="no"]
	252	)
	253
	254	AS_IF([test "x$with_sdt" = "xyes"],[
491f30fe MD	255	AC_MSG_CHECKING([STAP_PROBEV()])
	256	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	257	#define SDT_USE_VARIADIC
	258	#include <sys/sdt.h>
	259	void fct(void)
	260	{
	261	STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
	262	}
	263	]])],[
	264	AC_MSG_RESULT([yes])
562c813a	265	AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
4846fadc	266	],[
491f30fe	267	AC_MSG_RESULT([no])
135987a5	268	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	269	])
	270	])
	271
95be90cd MD	272	AC_MSG_CHECKING([whether shared libraries are enabled])
	273	AS_IF([test "x$enable_shared" = "xyes"],
	274	[
	275	AC_MSG_RESULT([yes])
	276	],
	277	[
	278	AC_MSG_RESULT([no])
	279	AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
	280	])
	281
751d4e91 MD	282	AC_ARG_WITH([lttng-system-rundir],
	283	AS_HELP_STRING([--with-lttng-system-rundir],
	284	[Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
	285	[lttng_system_rundir="$withval"],
	286	[lttng_system_rundir="/var/run/lttng"])
	287	AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
	288	[LTTng system runtime directory])
	289
6490eba0 MD	290	lttnglibjavadir="${libdir}/lttng/java"
	291	AC_SUBST(lttnglibjavadir)
	292
e475cf6c	293	AM_PATH_PYTHON([2.7],BUILD_GEN_TP_EXAMPLES=1,[:])
2b90f1d3 JG	294	AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES], [Build examples requiring lttng-gen-tp])
2b90f1d3 JG	295
55355fa5 JB	296	AC_CONFIG_FILES([
55355fa5 JB	297	Makefile
7ccf75d3 MD	298	doc/Makefile
7ccf75d3 MD	299	doc/examples/Makefile
69400ac4	300	include/Makefile
b728d87e	301	include/lttng/ust-version.h
69400ac4	302	snprintf/Makefile
4931a13e	303	libringbuffer/Makefile
69400ac4 MD	304	liblttng-ust-comm/Makefile
	305	liblttng-ust/Makefile
	306	liblttng-ust-ctl/Makefile
	307	liblttng-ust-fork/Makefile
b13d93c2	308	liblttng-ust-dl/Makefile
69400ac4	309	liblttng-ust-java/Makefile
43e5396b	310	liblttng-ust-jul/Makefile
476037d9	311	liblttng-ust-libc-wrapper/Makefile
70d654f2	312	liblttng-ust-cyg-profile/Makefile
b25c5b37	313	tools/Makefile
6dd969b5 PMF	314	tests/Makefile
6dd969b5 PMF	315	tests/hello/Makefile
6b79f035	316	tests/hello.cxx/Makefile
90c09854	317	tests/same_line_tracepoint/Makefile
d23b20e9	318	tests/snprintf/Makefile
a44af49d	319	tests/benchmark/Makefile
9a4b88ff	320	tests/utils/Makefile
43e5396b	321	tests/java-jul/Makefile
74a6d87b	322	lttng-ust.pc
55355fa5	323	])
1f9eff07	324
1304f3df	325	AC_OUTPUT
1f9eff07	326
649282a8 MD	327	AS_ECHO()
	328	AS_ECHO("Version name: $version_name")
	329	AS_ECHO("$version_description")
	330
1f9eff07 AM	331	# Report on the configuration options
	332	AS_ECHO()
	333	AS_ECHO("LTTng-UST will be built with the following options:")
1f9eff07 AM	334
	335	AS_ECHO()
	336	AS_ECHO_N("Java support (JNI): ")
	337	AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	338
	339	AS_ECHO_N("sdt.h integration: ")
	340	AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
	341
	342	AS_ECHO()
	343	AS_ECHO("Type 'make' to compile.")
	344