[lttng-tools.git] / configure.ac

AC_INIT([lttng-tools],[2.1.0-rc2],[dgoulet@efficios.com],[],[http://lttng.org])
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])])

version_name="Basse Messe"
version_description="Light coloured German ale whose style was named after the city Cologne (Koln) where it was first brewed. It is a rather simple beer with lightly fruity aromas and a delicate hoppy fragrance. The beer has a pronounced malty taste with a subtle bitter aftertaste"

AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], "")
AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], "")

AC_CONFIG_HEADERS([include/config.h])

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])
		  ])
	    ])

AC_CHECK_HEADERS([ \
	sys/types.h unistd.h fcntl.h string.h pthread.h limits.h \
	signal.h stdlib.h sys/un.h sys/socket.h stdlib.h stdio.h \
	getopt.h sys/ipc.h sys/shm.h popt.h grp.h \
])

# Babeltrace viewer check
AC_ARG_WITH([babeltrace-bin],
	AS_HELP_STRING([--with-babeltrace-bin],
	[Location of the babeltrace viewer executable (including the filename)]),
	[BABELTRACE_BIN="$withval"],
	[BABELTRACE_BIN=''])
AC_SUBST([BABELTRACE_BIN])

# lttv-gui
AC_ARG_WITH([lttv-gui-bin],
	AS_HELP_STRING([--with-lttv-gui-bin],
   [Location of the lttv GUI viewer executable (including the filename)]),
   [LTTV_GUI_BIN="$withval"],
   [LTTV_GUI_BIN=''])
AC_SUBST([LTTV_GUI_BIN])

AC_ARG_WITH([consumerd32-bin],
	AS_HELP_STRING([--with-consumerd32-bin],
	[Location of the 32-bit consumerd executable (including the filename)]),
	[CONSUMERD32_BIN="$withval"],
	[CONSUMERD32_BIN=''])
AC_SUBST([CONSUMERD32_BIN])

AC_ARG_WITH([consumerd64-bin],
	AS_HELP_STRING([--with-consumerd64-bin],
	[Location of the 64-bit consumerd executable (including the filename)]),
	[CONSUMERD64_BIN="$withval"],
	[CONSUMERD64_BIN=''])
AC_SUBST([CONSUMERD64_BIN])

AC_ARG_WITH([consumerd32-libdir],
	AS_HELP_STRING([--with-consumerd32-libdir],
	[Directory containing the 32-bit consumerd libraries]),
	[CONSUMERD32_LIBDIR="$withval"],
	[CONSUMERD32_LIBDIR=''])
AC_SUBST([CONSUMERD32_LIBDIR])

AC_ARG_WITH([consumerd64-libdir],
	AS_HELP_STRING([--with-consumerd64-libdir],
	[Directory containing the 64-bit consumerd libraries]),
	[CONSUMERD64_LIBDIR="$withval"],
	[CONSUMERD64_LIBDIR=''])
AC_SUBST([CONSUMERD64_LIBDIR])

AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD32_BIN], "$CONSUMERD32_BIN", [Location of the 32-bit consumerd executable.])
AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD64_BIN], "$CONSUMERD64_BIN", [Location of the 64-bit consumerd executable])
AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD32_LIBDIR], "$CONSUMERD32_LIBDIR", [Search for consumerd 32-bit libraries in this location.])
AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD64_LIBDIR], "$CONSUMERD64_LIBDIR", [Search for consumerd 64-bit libraries in this location.])
AC_DEFINE_UNQUOTED([CONFIG_BABELTRACE_BIN], "$BABELTRACE_BIN", [Location of the babeltrace viewer executable.])
AC_DEFINE_UNQUOTED([CONFIG_LTTV_GUI_BIN], "$LTTV_GUI_BIN", [Location of the lttv GUI viewer executable.])

# Check for pthread
AC_CHECK_LIB([pthread], [pthread_create], [],
	[AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])]
)

# Check libpopt
AC_CHECK_LIB([popt], [poptGetContext], [],
	[AC_MSG_ERROR([Cannot find libpopt. Use [LDFLAGS]=-Ldir to specify its location.])]
)

# URCU library version needed or newer
liburcu_version=">= 0.6.7"

# Check liburcu needed function calls
AC_CHECK_DECL([cds_list_add], [],
	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/list.h>]]
)
AC_CHECK_DECL([cds_wfq_init], [],
	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]]
)
AC_CHECK_DECL([cds_wfq_dequeue_blocking], [],
    [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]]
)
AC_CHECK_DECL([futex_async], [],
	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/futex.h>]]
)
AC_CHECK_DECL([rcu_thread_offline], [],
	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
)
AC_CHECK_DECL([rcu_thread_online], [],
	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
)
AC_CHECK_DECL([caa_likely], [],
	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
)

# Check liblttng-ust-ctl library
AC_ARG_ENABLE(lttng-ust,
	AS_HELP_STRING([--disable-lttng-ust],[build without LTTng-UST (Userspace Tracing) support]),
	lttng_ust_support=$enableval, lttng_ust_support=yes)

AS_IF([test "x$lttng_ust_support" = "xyes"], [
	AC_CHECK_LIB([lttng-ust-ctl], [ustctl_set_filter],
		[
			AC_DEFINE([HAVE_LIBLTTNG_UST_CTL], [1], [has LTTng-UST control support])
			lttng_ust_ctl_found=yes
		],
		[AC_MSG_ERROR([Cannot find LTTng-UST. Use [LDFLAGS]=-Ldir to specify its location, or specify --disable-lttng-ust to build lttng-tools without LTTng-UST support.])],
		[-lurcu-common -lurcu-bp -lurcu-cds]
	)
])
AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [test "x$lttng_ust_ctl_found" = xyes])
AC_CHECK_FUNCS([sched_getcpu sysconf])

# check for dlopen
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_TOOLS_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])

# Check for fmemopen
AC_CHECK_LIB([c], [fmemopen],
[
	AC_DEFINE_UNQUOTED([LTTNG_HAVE_FMEMOPEN], 1, [Has fmemopen support.])
]
)

# Check for open_memstream
AC_CHECK_LIB([c], [open_memstream],
[
	AC_DEFINE_UNQUOTED([LTTNG_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])
]
)

# Option to only build the consumer daemon and its libraries
AC_ARG_WITH([consumerd-only],
	AS_HELP_STRING([--with-consumerd-only],[Only build the consumer daemon [default=no]]),
	[consumerd_only=$withval],
	[consumerd_only=no])
AM_CONDITIONAL([BUILD_CONSUMERD_ONLY], [test "x$consumerd_only" = "xyes"])

# Epoll check. If not present, the build will fallback on poll() API
AX_HAVE_EPOLL(
	[AX_CONFIG_FEATURE_ENABLE(epoll)],
	[AX_CONFIG_FEATURE_DISABLE(epoll)]
)
AX_CONFIG_FEATURE(
	[epoll], [This platform supports epoll(7)],
	[HAVE_EPOLL], [This platform supports epoll(7).],
	[enable_epoll="yes"], [enable_epoll="no"]
)
AM_CONDITIONAL([COMPAT_EPOLL], [ test "$enable_epoll" = "yes" ])

AC_SYS_LARGEFILE
AC_PROG_CC
LT_INIT
AC_PROG_YACC
AC_PROG_LEX

AC_DEFUN([AC_PROG_BISON], [AC_CHECK_PROGS(BISON, bison, bison)])

CFLAGS="-Wall $CFLAGS -g -fno-strict-aliasing"

DEFAULT_INCLUDES="-I\$(top_srcdir) -I\$(top_builddir) -I\$(top_builddir)/src -I\$(top_builddir)/include -include config.h"

lttngincludedir="${includedir}/lttng"

AC_SUBST(lttngincludedir)
AC_SUBST(DEFAULT_INCLUDES)

lttnglibexecdir="${libdir}/lttng/libexec"
AC_SUBST(lttnglibexecdir)

AC_CONFIG_FILES([
	Makefile
	doc/Makefile
	doc/man/Makefile
	include/Makefile
	src/Makefile
	src/common/Makefile
	src/common/kernel-ctl/Makefile
	src/common/kernel-consumer/Makefile
	src/common/ust-consumer/Makefile
	src/common/hashtable/Makefile
	src/common/sessiond-comm/Makefile
	src/common/compat/Makefile
	src/common/relayd/Makefile
	src/lib/Makefile
	src/lib/lttng-ctl/Makefile
	src/lib/lttng-ctl/filter/Makefile
	src/bin/Makefile
	src/bin/lttng-consumerd/Makefile
	src/bin/lttng-sessiond/Makefile
	src/bin/lttng-relayd/Makefile
	src/bin/lttng/Makefile
	tests/Makefile
	tests/kernel/Makefile
	tests/tools/Makefile
	tests/tools/streaming/Makefile
	tests/ust/Makefile
	tests/ust/nprocesses/Makefile
	tests/ust/high-throughput/Makefile
	tests/ust/low-throughput/Makefile
	tests/ust/before-after/Makefile
	tests/ust/multi-session/Makefile
])

AC_OUTPUT

#
# Mini-report on what will be built
#
AS_ECHO()

AS_ECHO("Version name: $version_name")
AS_ECHO("$version_description")

AS_ECHO()

# Target architecture we're building for
target_arch=$host_cpu
[
for f in $CFLAGS; do
        if test $f = "-m32"; then
			target_arch="32-bit"
        elif test $f = "-m64"; then
			target_arch="64-bit"
        fi
done
]
AS_ECHO_N("Target architecture: ")
AS_ECHO($target_arch)

# LTTng-UST enabled/disabled
AS_ECHO_N("Lttng-UST support: ")
AS_IF([test "x$lttng_ust_support" = "xyes"],[
	AS_ECHO("Enabled")
],[
	AS_ECHO("Disabled")
])

# Do we build only the consumerd, or everything
AS_IF([test "x$consumerd_only" = "xyes"],[
	AS_ECHO("Only the consumerd daemon will be built.")
],[
	AS_ECHO("All binaries will be built.")
])

# Print the bindir and libdir this `make install' will install into.
AS_ECHO()
AS_ECHO_N("Binaries will be installed in:  ")
AS_ECHO("`eval eval echo $bindir`")
AS_ECHO_N("Libraries will be installed in: ")
AS_ECHO("`eval eval echo $libdir`")

# If we build the sessiond, print the paths it will use
AS_IF([test "x$consumerd_only" = "xno"],[
	AS_ECHO()
	AS_ECHO("The sessiond daemon will look in the following directories: ")
	AS_ECHO_N("32-bit consumerd executable at: ")
	AS_IF([test "$CONSUMERD32_BIN" = ""],[
		AS_ECHO_N("`eval eval echo $lttnglibexecdir`")
		AS_ECHO("/lttng-consumerd")
	],[
		AS_ECHO("$CONSUMERD32_BIN")
	])

	AS_ECHO_N("32-bit consumer libraries in:   ")
	AS_IF([test "$CONSUMERD32_LIBDIR" = ""],[
		AS_ECHO("`eval eval echo $libdir`")
	],[
		AS_ECHO("$CONSUMERD32_LIBDIR")
	])

	AS_ECHO_N("64-bit consumerd executable at: ")
	AS_IF([test "$CONSUMERD64_BIN" = ""],[
		AS_ECHO_N("`eval eval echo $lttnglibexecdir`")
		AS_ECHO("/lttng-consumerd")
	],[
		AS_ECHO("$CONSUMERD64_BIN")
	])

	AS_ECHO_N("64-bit consumer libraries in:   ")
	AS_IF([test "$CONSUMERD64_LIBDIR" = ""],[
		AS_ECHO("`eval eval echo $libdir`")
	],[
		AS_ECHO("$CONSUMERD64_LIBDIR")
	])
])

AS_ECHO()
Commit	Line	Data
	1	AC_INIT([lttng-tools],[2.1.0-rc2],[dgoulet@efficios.com],[],[http://lttng.org])
	2	AC_CONFIG_AUX_DIR([config])
	3	AC_CANONICAL_TARGET
	4	AC_CANONICAL_HOST
	5	AC_CONFIG_MACRO_DIR([config])
	6	AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
	7	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
	8
	9	version_name="Basse Messe"
	10	version_description="Light coloured German ale whose style was named after the city Cologne (Koln) where it was first brewed. It is a rather simple beer with lightly fruity aromas and a delicate hoppy fragrance. The beer has a pronounced malty taste with a subtle bitter aftertaste"
	11
	12	AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], "")
	13	AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], "")
	14
	15	AC_CONFIG_HEADERS([include/config.h])
	16
	17	AC_PROG_GREP
	18	# libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
	19	AC_ARG_ENABLE(libtool-linkdep-fixup,
	20	AS_HELP_STRING([--disable-libtool-linkdep-fixup],
	21	[disable the libtool fixup for linking all dependent libraries (link_all_deplibs)]),
	22	libtool_fixup=$enableval,
	23	libtool_fixup=yes)
	24
	25	AS_IF([test "x$libtool_fixup" = "xyes"],
	26	[
	27	libtool_m4="$srcdir/config/libtool.m4"
	28	libtool_flag_pattern=".link_all_deplibs\s,\s\$1\s)"
	29	AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
	30	libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s=\sno" $libtool_m4)
	31	AS_IF([test $libtool_flag_pattern_count -ne 0],
	32	[
	33	AC_MSG_RESULT([$libtool_flag_pattern_count])
	34	AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
	35	sed -i "s/\($libtool_flag_pattern\)\s=\sno/\1=unknown/g" $libtool_m4
	36	],
	37	[
	38	AC_MSG_RESULT([none])
	39	])
	40	])
	41
	42	AC_CHECK_HEADERS([ \
	43	sys/types.h unistd.h fcntl.h string.h pthread.h limits.h \
	44	signal.h stdlib.h sys/un.h sys/socket.h stdlib.h stdio.h \
	45	getopt.h sys/ipc.h sys/shm.h popt.h grp.h \
	46	])
	47
	48	# Babeltrace viewer check
	49	AC_ARG_WITH([babeltrace-bin],
	50	AS_HELP_STRING([--with-babeltrace-bin],
	51	[Location of the babeltrace viewer executable (including the filename)]),
	52	[BABELTRACE_BIN="$withval"],
	53	[BABELTRACE_BIN=''])
	54	AC_SUBST([BABELTRACE_BIN])
	55
	56	# lttv-gui
	57	AC_ARG_WITH([lttv-gui-bin],
	58	AS_HELP_STRING([--with-lttv-gui-bin],
	59	[Location of the lttv GUI viewer executable (including the filename)]),
	60	[LTTV_GUI_BIN="$withval"],
	61	[LTTV_GUI_BIN=''])
	62	AC_SUBST([LTTV_GUI_BIN])
	63
	64	AC_ARG_WITH([consumerd32-bin],
	65	AS_HELP_STRING([--with-consumerd32-bin],
	66	[Location of the 32-bit consumerd executable (including the filename)]),
	67	[CONSUMERD32_BIN="$withval"],
	68	[CONSUMERD32_BIN=''])
	69	AC_SUBST([CONSUMERD32_BIN])
	70
	71	AC_ARG_WITH([consumerd64-bin],
	72	AS_HELP_STRING([--with-consumerd64-bin],
	73	[Location of the 64-bit consumerd executable (including the filename)]),
	74	[CONSUMERD64_BIN="$withval"],
	75	[CONSUMERD64_BIN=''])
	76	AC_SUBST([CONSUMERD64_BIN])
	77
	78	AC_ARG_WITH([consumerd32-libdir],
	79	AS_HELP_STRING([--with-consumerd32-libdir],
	80	[Directory containing the 32-bit consumerd libraries]),
	81	[CONSUMERD32_LIBDIR="$withval"],
	82	[CONSUMERD32_LIBDIR=''])
	83	AC_SUBST([CONSUMERD32_LIBDIR])
	84
	85	AC_ARG_WITH([consumerd64-libdir],
	86	AS_HELP_STRING([--with-consumerd64-libdir],
	87	[Directory containing the 64-bit consumerd libraries]),
	88	[CONSUMERD64_LIBDIR="$withval"],
	89	[CONSUMERD64_LIBDIR=''])
	90	AC_SUBST([CONSUMERD64_LIBDIR])
	91
	92	AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD32_BIN], "$CONSUMERD32_BIN", [Location of the 32-bit consumerd executable.])
	93	AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD64_BIN], "$CONSUMERD64_BIN", [Location of the 64-bit consumerd executable])
	94	AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD32_LIBDIR], "$CONSUMERD32_LIBDIR", [Search for consumerd 32-bit libraries in this location.])
	95	AC_DEFINE_UNQUOTED([CONFIG_CONSUMERD64_LIBDIR], "$CONSUMERD64_LIBDIR", [Search for consumerd 64-bit libraries in this location.])
	96	AC_DEFINE_UNQUOTED([CONFIG_BABELTRACE_BIN], "$BABELTRACE_BIN", [Location of the babeltrace viewer executable.])
	97	AC_DEFINE_UNQUOTED([CONFIG_LTTV_GUI_BIN], "$LTTV_GUI_BIN", [Location of the lttv GUI viewer executable.])
	98
	99	# Check for pthread
	100	AC_CHECK_LIB([pthread], [pthread_create], [],
	101	[AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])]
	102	)
	103
	104	# Check libpopt
	105	AC_CHECK_LIB([popt], [poptGetContext], [],
	106	[AC_MSG_ERROR([Cannot find libpopt. Use [LDFLAGS]=-Ldir to specify its location.])]
	107	)
	108
	109	# URCU library version needed or newer
	110	liburcu_version=">= 0.6.7"
	111
	112	# Check liburcu needed function calls
	113	AC_CHECK_DECL([cds_list_add], [],
	114	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/list.h>]]
	115	)
	116	AC_CHECK_DECL([cds_wfq_init], [],
	117	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]]
	118	)
	119	AC_CHECK_DECL([cds_wfq_dequeue_blocking], [],
	120	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]]
	121	)
	122	AC_CHECK_DECL([futex_async], [],
	123	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/futex.h>]]
	124	)
	125	AC_CHECK_DECL([rcu_thread_offline], [],
	126	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
	127	)
	128	AC_CHECK_DECL([rcu_thread_online], [],
	129	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
	130	)
	131	AC_CHECK_DECL([caa_likely], [],
	132	[AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
	133	)
	134
	135	# Check liblttng-ust-ctl library
	136	AC_ARG_ENABLE(lttng-ust,
	137	AS_HELP_STRING([--disable-lttng-ust],[build without LTTng-UST (Userspace Tracing) support]),
	138	lttng_ust_support=$enableval, lttng_ust_support=yes)
	139
	140	AS_IF([test "x$lttng_ust_support" = "xyes"], [
	141	AC_CHECK_LIB([lttng-ust-ctl], [ustctl_set_filter],
	142	[
	143	AC_DEFINE([HAVE_LIBLTTNG_UST_CTL], [1], [has LTTng-UST control support])
	144	lttng_ust_ctl_found=yes
	145	],
	146	[AC_MSG_ERROR([Cannot find LTTng-UST. Use [LDFLAGS]=-Ldir to specify its location, or specify --disable-lttng-ust to build lttng-tools without LTTng-UST support.])],
	147	[-lurcu-common -lurcu-bp -lurcu-cds]
	148	)
	149	])
	150	AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [test "x$lttng_ust_ctl_found" = xyes])
	151	AC_CHECK_FUNCS([sched_getcpu sysconf])
	152
	153	# check for dlopen
	154	AC_CHECK_LIB([dl], [dlopen],
	155	[
	156	have_libdl=yes
	157	],
	158	[
	159	#libdl not found, check for dlopen in libc.
	160	AC_CHECK_LIB([c], [dlopen],
	161	[
	162	have_libc_dl=yes
	163	],
	164	[
	165	AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
	166	])
	167	])
	168	AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
	169	AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
	170
	171	# Check for fmemopen
	172	AC_CHECK_LIB([c], [fmemopen],
	173	[
	174	AC_DEFINE_UNQUOTED([LTTNG_HAVE_FMEMOPEN], 1, [Has fmemopen support.])
	175	]
	176	)
	177
	178	# Check for open_memstream
	179	AC_CHECK_LIB([c], [open_memstream],
	180	[
	181	AC_DEFINE_UNQUOTED([LTTNG_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])
	182	]
	183	)
	184
	185	# Option to only build the consumer daemon and its libraries
	186	AC_ARG_WITH([consumerd-only],
	187	AS_HELP_STRING([--with-consumerd-only],[Only build the consumer daemon [default=no]]),
	188	[consumerd_only=$withval],
	189	[consumerd_only=no])
	190	AM_CONDITIONAL([BUILD_CONSUMERD_ONLY], [test "x$consumerd_only" = "xyes"])
	191
	192	# Epoll check. If not present, the build will fallback on poll() API
	193	AX_HAVE_EPOLL(
	194	[AX_CONFIG_FEATURE_ENABLE(epoll)],
	195	[AX_CONFIG_FEATURE_DISABLE(epoll)]
	196	)
	197	AX_CONFIG_FEATURE(
	198	[epoll], [This platform supports epoll(7)],
	199	[HAVE_EPOLL], [This platform supports epoll(7).],
	200	[enable_epoll="yes"], [enable_epoll="no"]
	201	)
	202	AM_CONDITIONAL([COMPAT_EPOLL], [ test "$enable_epoll" = "yes" ])
	203
	204	AC_SYS_LARGEFILE
	205	AC_PROG_CC
	206	LT_INIT
	207	AC_PROG_YACC
	208	AC_PROG_LEX
	209
	210	AC_DEFUN([AC_PROG_BISON], [AC_CHECK_PROGS(BISON, bison, bison)])
	211
	212	CFLAGS="-Wall $CFLAGS -g -fno-strict-aliasing"
	213
	214	DEFAULT_INCLUDES="-I\$(top_srcdir) -I\$(top_builddir) -I\$(top_builddir)/src -I\$(top_builddir)/include -include config.h"
	215
	216	lttngincludedir="${includedir}/lttng"
	217
	218	AC_SUBST(lttngincludedir)
	219	AC_SUBST(DEFAULT_INCLUDES)
	220
	221	lttnglibexecdir="${libdir}/lttng/libexec"
	222	AC_SUBST(lttnglibexecdir)
	223
	224	AC_CONFIG_FILES([
	225	Makefile
	226	doc/Makefile
	227	doc/man/Makefile
	228	include/Makefile
	229	src/Makefile
	230	src/common/Makefile
	231	src/common/kernel-ctl/Makefile
	232	src/common/kernel-consumer/Makefile
	233	src/common/ust-consumer/Makefile
	234	src/common/hashtable/Makefile
	235	src/common/sessiond-comm/Makefile
	236	src/common/compat/Makefile
	237	src/common/relayd/Makefile
	238	src/lib/Makefile
	239	src/lib/lttng-ctl/Makefile
	240	src/lib/lttng-ctl/filter/Makefile
	241	src/bin/Makefile
	242	src/bin/lttng-consumerd/Makefile
	243	src/bin/lttng-sessiond/Makefile
	244	src/bin/lttng-relayd/Makefile
	245	src/bin/lttng/Makefile
	246	tests/Makefile
	247	tests/kernel/Makefile
	248	tests/tools/Makefile
	249	tests/tools/streaming/Makefile
	250	tests/ust/Makefile
	251	tests/ust/nprocesses/Makefile
	252	tests/ust/high-throughput/Makefile
	253	tests/ust/low-throughput/Makefile
	254	tests/ust/before-after/Makefile
	255	tests/ust/multi-session/Makefile
	256	])
	257
	258	AC_OUTPUT
	259
	260	#
	261	# Mini-report on what will be built
	262	#
	263	AS_ECHO()
	264
	265	AS_ECHO("Version name: $version_name")
	266	AS_ECHO("$version_description")
	267
	268	AS_ECHO()
	269
	270	# Target architecture we're building for
	271	target_arch=$host_cpu
	272	[
	273	for f in $CFLAGS; do
	274	if test $f = "-m32"; then
	275	target_arch="32-bit"
	276	elif test $f = "-m64"; then
	277	target_arch="64-bit"
	278	fi
	279	done
	280	]
	281	AS_ECHO_N("Target architecture: ")
	282	AS_ECHO($target_arch)
	283
	284	# LTTng-UST enabled/disabled
	285	AS_ECHO_N("Lttng-UST support: ")
	286	AS_IF([test "x$lttng_ust_support" = "xyes"],[
	287	AS_ECHO("Enabled")
	288	],[
	289	AS_ECHO("Disabled")
	290	])
	291
	292	# Do we build only the consumerd, or everything
	293	AS_IF([test "x$consumerd_only" = "xyes"],[
	294	AS_ECHO("Only the consumerd daemon will be built.")
	295	],[
	296	AS_ECHO("All binaries will be built.")
	297	])
	298
	299	# Print the bindir and libdir this `make install' will install into.
	300	AS_ECHO()
	301	AS_ECHO_N("Binaries will be installed in: ")
	302	AS_ECHO("`eval eval echo $bindir`")
	303	AS_ECHO_N("Libraries will be installed in: ")
	304	AS_ECHO("`eval eval echo $libdir`")
	305
	306	# If we build the sessiond, print the paths it will use
	307	AS_IF([test "x$consumerd_only" = "xno"],[
	308	AS_ECHO()
	309	AS_ECHO("The sessiond daemon will look in the following directories: ")
	310	AS_ECHO_N("32-bit consumerd executable at: ")
	311	AS_IF([test "$CONSUMERD32_BIN" = ""],[
	312	AS_ECHO_N("`eval eval echo $lttnglibexecdir`")
	313	AS_ECHO("/lttng-consumerd")
	314	],[
	315	AS_ECHO("$CONSUMERD32_BIN")
	316	])
	317
	318	AS_ECHO_N("32-bit consumer libraries in: ")
	319	AS_IF([test "$CONSUMERD32_LIBDIR" = ""],[
	320	AS_ECHO("`eval eval echo $libdir`")
	321	],[
	322	AS_ECHO("$CONSUMERD32_LIBDIR")
	323	])
	324
	325	AS_ECHO_N("64-bit consumerd executable at: ")
	326	AS_IF([test "$CONSUMERD64_BIN" = ""],[
	327	AS_ECHO_N("`eval eval echo $lttnglibexecdir`")
	328	AS_ECHO("/lttng-consumerd")
	329	],[
	330	AS_ECHO("$CONSUMERD64_BIN")
	331	])
	332
	333	AS_ECHO_N("64-bit consumer libraries in: ")
	334	AS_IF([test "$CONSUMERD64_LIBDIR" = ""],[
	335	AS_ECHO("`eval eval echo $libdir`")
	336	],[
	337	AS_ECHO("$CONSUMERD64_LIBDIR")
	338	])
	339	])
	340
	341	AS_ECHO()
	342