X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=configure.ac;h=7c85cff4a78df07fbce2c276a855eba63d5be395;hp=47b794f9bc493b5de8207b1a8991d6bc69e75e6d;hb=75acbe19887436248352558828220eb88731d916;hpb=9eadc48f682566355e03e85f0c4dabedefd86d53

diff --git a/configure.ac b/configure.ac
index 47b794f9b..7c85cff4a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.64])
-AC_INIT([lttng-tools],[2.9.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
+AC_INIT([lttng-tools],[2.11.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
 
 AC_CONFIG_HEADERS([include/config.h])
 AC_CONFIG_AUX_DIR([config])
@@ -8,7 +8,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
 
-AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip tar-pax])
+AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip tar-pax nostdinc])
 AM_MAINTAINER_MODE([enable])
 
 # Enable silent rules if available (Introduced in AM 1.11)
@@ -24,20 +24,72 @@ AC_PROG_CC_STDC
 
 # Checks for programs.
 AC_PROG_GREP
-AC_PROG_LEX
 AC_PROG_MAKE_SET
 AC_PROG_SED
-AC_PROG_YACC
-AC_PATH_PROG(report_fold, fold)
+AC_PATH_PROG([report_fold], [fold])
 LT_INIT
 
 # Check for objcopy, required by the base address statedump and dynamic linker tests
-AC_CHECK_TOOL([OBJCOPY], objcopy, no)
-AS_IF([test "x$OBJCOPY" = xno],
-	[AC_MSG_WARN([Cannont find objcopy. The base address statedump and dynamic linker tests will be disabled. Install the binutils package to remediate this.])]
+AC_CHECK_TOOL([OBJCOPY], [objcopy], [no])
+AS_IF([test "x$OBJCOPY" = "xno"],
+	[AC_MSG_WARN([Cannot find objcopy. The base address statedump and dynamic linker tests will be disabled. Install the binutils package to remediate this.])]
 )
 AM_CONDITIONAL([HAVE_OBJCOPY], [test "x$OBJCOPY" != xno])
 
+# check for pgrep
+AC_PATH_PROG([PGREP], [pgrep], [no])
+AM_CONDITIONAL([HAVE_PGREP], [test "x$PGREP" != "xno"])
+
+# set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
+# is not distributed in tarballs
+AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
+AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
+
+# check for bison
+AC_PROG_YACC
+BISON=$YACC
+AX_PROG_BISON_VERSION([2.4], [have_bison=yes])
+
+AS_IF([test "x$have_bison" != "xyes"], [
+  AS_IF([test "x$in_git_repo" = "xyes"], [
+    AC_MSG_FAILURE([
+Bison >= 2.4 is required when building from the Git repository. You can
+set the YACC variable to override automatic detection.
+    ])
+  ], [
+    AC_MSG_WARN([
+Missing Bison >= 2.4. Note that the parser files are already built in
+this distribution tarball, so Bison is only needed if you intend to
+modify their sources. You can set the YACC variable to override automatic
+detection.
+    ])
+  ])
+])
+AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
+
+# check for flex
+AC_PROG_LEX
+FLEX=$LEX
+AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
+
+AS_IF([test "x$have_flex" != "xyes"], [
+  AS_IF([test "x$in_git_repo" = "xyes"], [
+    AC_MSG_FAILURE([
+Flex >= 2.5.35 is required when building from the Git repository. You can
+set the LEX variable to override automatic detection.
+    ])
+  ], [
+    AC_MSG_WARN([
+Missing Flex >= 2.5.35. Note that the lexer files are already built in
+this distribution tarball, so Flex is only needed if you intend to
+modify their sources. You can set the LEX variable to override automatic
+detection.
+    ])
+  ])
+])
+AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
+
+
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_INLINE
 AC_TYPE_INT32_T
@@ -59,12 +111,29 @@ AS_IF([test "x$ax_cv___attribute__" = "xyes"],
         [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
 
 AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
-LIBS="$PTHREAD_LIBS $LIBS"
-CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-CC="$PTHREAD_CC"
 
 AX_LIB_SOCKET_NSL
 
+LT_NO_UNDEFINED=""
+AS_CASE([$host_os],
+  [cygwin*],
+    [
+      LT_NO_UNDEFINED="-no-undefined"
+    ],
+  [cygwin*|darwin*|mingw*|solaris*],
+    [
+      # On platforms where we only support the relayd, disable the other binaries by default
+      AS_IF([test "x$enable_bin_lttng" = "x" ], [enable_bin_lttng=no])
+      AS_IF([test "x$enable_bin_lttng_consumerd" = "x" ], [enable_bin_lttng_consumerd=no])
+      AS_IF([test "x$enable_bin_lttng_crash" = "x" ], [enable_bin_lttng_crash=no])
+      AS_IF([test "x$enable_bin_lttng_sessiond" = "x" ], [enable_bin_lttng_sessiond=no])
+      AS_IF([test "x$enable_extras" = "x" ], [enable_extras=no])
+      AS_IF([test "x$with_lttng_ust" = "x" ], [with_lttng_ust=no])
+    ]
+)
+
+AC_SUBST(LT_NO_UNDEFINED)
+
 # Compute minor/major/patchlevel version numbers
 major_version=$(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/')
@@ -125,8 +194,37 @@ AC_CHECK_FUNCS([ \
 	mkdir munmap putenv realpath rmdir socket strchr strcspn strdup \
 	strncasecmp strndup strnlen strpbrk strrchr strstr strtol strtoul \
 	strtoull dirfd gethostbyname2 getipnodebyname epoll_create1 \
+	sched_getcpu sysconf sync_file_range
+])
+
+# Check if clock_gettime, timer_create, timer_settime, and timer_delete are available in lib rt, and if so,
+# add -lrt to LIBS
+AC_CHECK_LIB([rt], [clock_gettime, timer_create, timer_settime, timer_delete])
+
+# Checks for dl.
+AC_CHECK_LIB([dl], [dlopen], [
+	have_libdl=yes
+	libdl_name=dl
+], [
+	# libdl not found, check for dlopen in libc.
+	AC_CHECK_LIB([c], [dlopen], [
+		have_libc_dl=yes
+		libdl_name=c
+	], [
+		AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
+	])
 ])
 
+# Check if libdl has dlmopen support.
+AH_TEMPLATE([HAVE_DLMOPEN], ["Define to 1 if dlmopen is available."])
+AC_CHECK_LIB([$libdl_name], [dlmopen], [
+	AC_DEFINE([HAVE_DLMOPEN], [1])
+	HAVE_DLMOPEN=1
+], [
+	HAVE_DLMOPEN=0
+])
+AC_SUBST(HAVE_DLMOPEN)
+
 # Babeltrace viewer check
 AC_ARG_WITH([babeltrace-bin],
 	AS_HELP_STRING([--with-babeltrace-bin],
@@ -213,6 +311,95 @@ AC_DEFINE_UNQUOTED([CONFIG_LTTV_GUI_BIN], "$LTTV_GUI_BIN", [Location of the lttv
 AC_DEFINE_UNQUOTED([CONFIG_SESSIOND_BIN], "$SESSIOND_BIN", [Location of the sessiond executable.])
 AC_DEFINE_UNQUOTED([CONFIG_LTTNG_SYSTEM_RUNDIR], ["$LTTNG_SYSTEM_RUNDIR"], [LTTng system runtime directory])
 
+AC_DEFUN([_AC_DEFINE_AND_SUBST], [
+	AC_DEFINE_UNQUOTED([CONFIG_$1], [$2], [$1])
+	$1="$2"
+	AC_SUBST([$1])
+])
+
+AC_DEFUN([_AC_DEFINE_QUOTED_AND_SUBST], [
+	AC_DEFINE_UNQUOTED([CONFIG_$1], ["$2"], [$1])
+	$1="$2"
+	AC_SUBST([$1])
+])
+
+# Default values
+m4_define([_DEFAULT_CHANNEL_SUBBUF_SIZE], [16384])
+m4_define([_DEFAULT_CHANNEL_SUBBUF_NUM], [4])
+m4_define([_DEFAULT_CHANNEL_SWITCH_TIMER], [0])
+m4_define([_DEFAULT_CHANNEL_LIVE_TIMER], [0])
+m4_define([_DEFAULT_CHANNEL_READ_TIMER], [200000])
+m4_define([_DEFAULT_CHANNEL_MONITOR_TIMER], [1000000])
+m4_define([_DEFAULT_CHANNEL_BLOCKING_TIMEOUT], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN], [5345])
+_AC_DEFINE_AND_SUBST([DEFAULT_AGENT_TCP_PORT_RANGE_END], [5354])
+_AC_DEFINE_AND_SUBST([DEFAULT_APP_SOCKET_RW_TIMEOUT], [5])
+_AC_DEFINE_AND_SUBST([DEFAULT_CHANNEL_SUBBUF_SIZE], [_DEFAULT_CHANNEL_SUBBUF_SIZE])
+_AC_DEFINE_AND_SUBST([DEFAULT_CHANNEL_TRACEFILE_COUNT], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_CHANNEL_TRACEFILE_SIZE], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_LIVE_TIMER], [_DEFAULT_CHANNEL_LIVE_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_READ_TIMER], [_DEFAULT_CHANNEL_READ_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM], [_DEFAULT_CHANNEL_SUBBUF_NUM])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE], [1048576])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER], [_DEFAULT_CHANNEL_SWITCH_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER], [_DEFAULT_CHANNEL_MONITOR_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT], [_DEFAULT_CHANNEL_BLOCKING_TIMEOUT])
+_AC_DEFINE_AND_SUBST([DEFAULT_LTTNG_LIVE_TIMER], [1000000])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_CACHE_SIZE], [4096])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_READ_TIMER], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_SUBBUF_NUM], [2])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_SUBBUF_SIZE], [4096])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_SWITCH_TIMER], [_DEFAULT_CHANNEL_SWITCH_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_NETWORK_CONTROL_PORT], [5342])
+_AC_DEFINE_AND_SUBST([DEFAULT_NETWORK_DATA_PORT], [5343])
+_AC_DEFINE_AND_SUBST([DEFAULT_NETWORK_VIEWER_PORT], [5344])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_LIVE_TIMER], [_DEFAULT_CHANNEL_LIVE_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_READ_TIMER], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM], [_DEFAULT_CHANNEL_SUBBUF_NUM])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE], [_DEFAULT_CHANNEL_SUBBUF_SIZE])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER], [_DEFAULT_CHANNEL_SWITCH_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER], [_DEFAULT_CHANNEL_MONITOR_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_LIVE_TIMER], [_DEFAULT_CHANNEL_LIVE_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_READ_TIMER], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM], [_DEFAULT_CHANNEL_SUBBUF_NUM])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE], [524288])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER], [_DEFAULT_CHANNEL_SWITCH_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER], [_DEFAULT_CHANNEL_MONITOR_TIMER])
+_AC_DEFINE_QUOTED_AND_SUBST([DEFAULT_AGENT_BIND_ADDRESS], [localhost])
+_AC_DEFINE_QUOTED_AND_SUBST([DEFAULT_NETWORK_CONTROL_BIND_ADDRESS], [0.0.0.0])
+_AC_DEFINE_QUOTED_AND_SUBST([DEFAULT_NETWORK_DATA_BIND_ADDRESS], [0.0.0.0])
+_AC_DEFINE_QUOTED_AND_SUBST([DEFAULT_NETWORK_VIEWER_BIND_ADDRESS], [localhost])
+_AC_DEFINE_AND_SUBST([DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE], [134217728])
+_AC_DEFINE_AND_SUBST([DEFAULT_ROTATE_PENDING_RELAY_TIMER], [200000])
+
+# Command short descriptions
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ADD_CONTEXT], [Add context fields to a channel])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_CREATE], [Create a tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_DESTROY], [Tear down tracing sessions])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_DISABLE_CHANNEL], [Disable tracing channels])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_DISABLE_EVENT], [Disable event rules])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_DISABLE_ROTATION], [Unset a rotation schedule])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ENABLE_CHANNEL], [Create or enable tracing channels])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ENABLE_EVENT], [Create or enable event rules])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ENABLE_ROTATION], [Set a rotation schedule])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_HELP], [Display help information about a command])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_LIST], [List tracing sessions, domains, channels, and events])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_LOAD], [Load tracing session configurations])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_REGENERATE], [Manage an LTTng tracing session's data regeneration])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ROTATE], [Archive a tracing session's current trace chunk])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SAVE], [Save tracing session configurations])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SET_SESSION], [Set current tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SNAPSHOT], [Snapshot buffers of current tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_START], [Start tracing])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_STATUS], [Get the status of the current tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_STOP], [Stop tracing])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_TRACK], [Track specific system resources])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_UNTRACK], [Untrack specific system resources])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_VERSION], [Show version information])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_VIEW], [Start trace viewer])
+
 if test "x$prefix" = "xNONE"; then
 	prefix=$ac_default_prefix
 fi
@@ -222,66 +409,73 @@ AC_DEFINE_UNQUOTED([CONFIG_LTTNG_SYSTEM_CONFIGDIR],"$CONFDIR", [LTTng system con
 
 AC_DEFINE_DIR([CONFIG_LTTNG_SYSTEM_DATADIR],[datadir], [LTTng system data directory.])
 
-#
-# Check for pthread
-AC_CHECK_LIB([pthread], [pthread_create], [],
-	[AC_MSG_ERROR([Cannot find libpthread. Use LDFLAGS=-Ldir to specify its location.])]
-)
-
 # Check libpopt
 PKG_CHECK_MODULES([POPT], [popt],
-	[LIBS="$LIBS $POPT_LIBS"],
-	[
-		AC_MSG_WARN([pkg-config was unable to find a valid .pc for libpopt. Set PKG_CONFIG_PATH to specify the pkgconfig configuration file location])
-		AC_MSG_WARN([Finding libpopt without pkg-config.])
-		AC_CHECK_LIB([popt],
-			[poptGetContext],
-			[],
-			[
-				 AC_MSG_ERROR([Cannot find libpopt. Either set PKG_CONFIG_PATH to the configuration file location or use LDFLAGS=-Ldir to specify the library location])
-			]
-		)
-	]
+  [
+    dnl PKG_CHECK_MODULES defines POPT_LIBS
+  ],
+  [
+    AC_MSG_WARN([pkg-config was unable to find a valid .pc for libpopt. Set PKG_CONFIG_PATH to specify the pkgconfig configuration file location])
+    AC_MSG_WARN([Finding libpopt without pkg-config.])
+    AC_CHECK_LIB([popt],
+      [poptGetContext],
+      [POPT_LIBS="-lpopt"],
+      [
+        AC_MSG_FAILURE([Cannot find libpopt. Either set PKG_CONFIG_PATH to the configuration file location or use LDFLAGS=-Ldir to specify the library location])
+      ]
+    )
+  ]
 )
+AC_SUBST(POPT_LIBS)
+
+PKG_CHECK_MODULES([libxml2], [libxml-2.0 >= 2.7.6])
+
+# First, check for uuid in system libs
+AH_TEMPLATE([LTTNG_HAVE_LIBUUID], [Define if you have libuuid support])
+AC_CHECK_FUNCS([uuid_generate],
+  [
+    AC_DEFINE([LTTNG_HAVE_LIBUUID], [1])
+    UUID_LIBS=""
+  ],
+  [
+    # Then, check if the pkg-config module is available, otherwise explicitly check
+    # for libuuid, or uuid support in the C-library.
+    PKG_CHECK_MODULES([UUID], [uuid],
+      [
+        AC_DEFINE([LTTNG_HAVE_LIBUUID], [1])
+        dnl PKG_CHECK_MODULES defines UUID_LIBS
+      ],
+      [
+        AC_MSG_WARN([pkg-config was unable to find a valid .pc for libuuid. Set PKG_CONFIG_PATH to specify the pkgconfig configuration file location])
+        AC_MSG_WARN([Finding libuuid without pkg-config.])
+        AC_CHECK_LIB([uuid], [uuid_generate],
+          [
+            AC_DEFINE([LTTNG_HAVE_LIBUUID], [1])
+            UUID_LIBS="-luuid"
+          ],
+          [
+            # libuuid not found, check for uuid_create in libc.
+            AC_CHECK_LIB([c], [uuid_create],
+              [
+                AC_DEFINE([LTTNG_HAVE_LIBUUID], [1])
+                UUID_LIBS="-lc"
+              ],
+              [
+                AC_MSG_FAILURE([Cannot find libuuid uuid_generate nor libc uuid_create. Either set PKG_CONFIG_PATH to the configuration file location or use LDFLAGS=-Ldir to specify the library location])
+              ]
+            )
+          ]
+        )
+      ]
+    )
+  ]
+)
+AC_SUBST(UUID_LIBS)
 
-AM_PATH_XML2(2.7.6, true, AC_MSG_ERROR(No supported version of libxml2 found.))
-
-# Check for libuuid
-PKG_CHECK_MODULES([UUID], [uuid],
-[
-	LIBS="$LIBS $UUID_LIBS"
-	AC_DEFINE_UNQUOTED([LTTNG_HAVE_LIBUUID], 1, [Has libuuid support.])
-	have_libuuid=yes
-],
-[
-	AC_MSG_WARN([pkg-config was unable to find a valid .pc for libuuid. Set PKG_CONFIG_PATH to specify the pkgconfig configuration file location])
-	AC_MSG_WARN([Finding libuuid without pkg-config.])
-	AC_CHECK_LIB([uuid],
-		[uuid_generate],
-		[
-			AC_DEFINE_UNQUOTED([LTTNG_HAVE_LIBUUID], 1, [Has libuuid support.])
-			have_libuuid=yes
-		],
-		[
-			# libuuid not found, check for uuid_create in libc.
-			AC_CHECK_LIB([c],
-				[uuid_create],
-				[
-					AC_DEFINE_UNQUOTED([LTTNG_HAVE_LIBC_UUID], 1, [Has libc uuid support.])
-					have_libc_uuid=yes
-				],
-				[
-					AC_MSG_ERROR([Cannot find libuuid uuid_generate nor libc uuid_create. Either set PKG_CONFIG_PATH to the configuration file location or use LDFLAGS=-Ldir to specify the library location])
-				]
-			)
-		]
-	)
-])
-AM_CONDITIONAL([LTTNG_BUILD_WITH_LIBUUID], [test "x$have_libuuid" = "xyes"])
-AM_CONDITIONAL([LTTNG_BUILD_WITH_LIBC_UUID], [test "x$have_libc_uuid" = "xyes"])
+AC_CHECK_FUNC([clock_gettime], [AC_DEFINE_UNQUOTED([LTTNG_HAVE_CLOCK_GETTIME], 1, [Has clock_gettime() support.])])
 
 # URCU library version needed or newer
-m4_define([WRONG_LIBURCU_MSG], [Userspace RCU (liburcu) >= 0.8.0 is needed])
+m4_define([WRONG_LIBURCU_MSG], [Userspace RCU (liburcu) >= 0.9.0 is needed])
 
 # Check liburcu needed function calls
 AC_CHECK_DECL([cds_list_add], [],
@@ -306,76 +500,77 @@ AC_CHECK_DECL([cmm_smp_mb__before_uatomic_or], [],
         [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu.h>]]
 )
 
-# Check kmod library
-AC_ARG_WITH(kmod-prefix,
-  AS_HELP_STRING([--with-kmod-prefix=PATH],
-		[Specify the installation prefix of the kmod library.
-		Headers must be in PATH/include; libraries in PATH/lib.]),
-		[
-			CPPFLAGS="$CPPFLAGS -I${withval}/include"
-			LDFLAGS="$LDFLAGS -L${withval}/lib64 -L${withval}/lib"
-		])
+#Function added in urcu 0.9.0
+AC_CHECK_DECL([urcu_ref_get_unless_zero], [],
+        [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu/ref.h>]]
+)
 
-AC_ARG_ENABLE(kmod,
-	AS_HELP_STRING([--disable-kmod],[build without kmod support]),
-	kmod_support=zz$enableval, kmod_support=yes)
-
-AS_IF([test "x$kmod_support" = "xyes"], [
-	AC_CHECK_LIB([kmod], [kmod_module_probe_insert_module],
-		[
-			AC_DEFINE([HAVE_KMOD], [1], [has kmod support])
-			LIBS="$LIBS -lkmod"
-			kmod_found=yes
-		],
-		kmod_found=no
-	)
-])
-AM_CONDITIONAL([HAVE_KMOD], [test "x$kmod_found" = xyes])
+# Check for libkmod, it will be auto-neabled if found but won't fail if it's not,
+# it can be explicitly disabled with --without-kmod
+AH_TEMPLATE([HAVE_KMOD], [Define if you have kmod support])
+AC_ARG_WITH([kmod],
+  [AS_HELP_STRING([--with-kmod], [build with lkmod support @<:@default=check@:>@])],
+  [],
+  [with_kmod=check]
+)
+
+AS_IF([test "x$with_kmod" != "xno"],
+  [
+    AC_CHECK_LIB([kmod], [kmod_module_probe_insert_module],
+      [
+        AC_DEFINE([HAVE_KMOD], [1])
+        KMOD_LIBS="-lkmod"
+      ],
+      [
+        if test "x$with_kmod" != xcheck; then
+          AC_MSG_FAILURE([Cannot find libkmod. Use [LDFLAGS]=-Ldir and [CPPFLAGS]=-Idir to specify its location.])
+        else
+          with_kmod=no
+        fi
+      ]
+    )
+  ]
+)
+AC_SUBST(KMOD_LIBS)
+
+# Check for liblttng-ust-ctl, fail if it's not found,
+# it can be explicitly disabled with --without-lttng-ust
+AH_TEMPLATE([HAVE_LIBLTTNG_UST_CTL], [Define if you have LTTng-UST control support])
+AC_ARG_WITH([lttng-ust],
+  [AS_HELP_STRING([--without-lttng-ust], [build without LTTng-UST (Userspace Tracing) support])],
+  [],
+  [with_lttng_ust=yes]
+)
+
+AS_IF([test "x$with_lttng_ust" = "xyes"],
+  [
+    AC_CHECK_LIB([lttng-ust-ctl], [ustctl_recv_channel_from_consumer],
+      [
+        AC_DEFINE([HAVE_LIBLTTNG_UST_CTL], [1])
+      ],
+      [
+        AC_MSG_FAILURE([Cannot find LTTng-UST >= 2.2.x. Use [LDFLAGS]=-Ldir and [CPPFLAGS]=-Idir to specify its location, or specify --without-lttng-ust to build lttng-tools without LTTng-UST support.])
+      ],
+      [-lurcu-common -lurcu-bp -lurcu-cds -lrt -ldl]
+    )
+  ]
+)
+AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [test "x$with_lttng_ust" = "xyes"])
 
-AC_ARG_WITH(lttng-ust-prefix,
-  AS_HELP_STRING([--with-lttng-ust-prefix=PATH],
-                 [Specify the installation prefix of the lttng-ust library.
-	          Headers must be in PATH/include; libraries in PATH/lib.]),
-		  [
-		    CPPFLAGS="$CPPFLAGS -I${withval}/include"
-		    LDFLAGS="$LDFLAGS -L${withval}/lib64 -L${withval}/lib"
-		  ])
 
-# Check liblttng-ust-ctl library
-AC_ARG_WITH(lttng-ust,
-	AS_HELP_STRING([--without-lttng-ust],[build without LTTng-UST (Userspace Tracing) support]),
-	lttng_ust_support=$withval, lttng_ust_support=yes)
-
-AS_IF([test "x$lttng_ust_support" = "xyes"], [
-	AC_CHECK_LIB([lttng-ust-ctl], [ustctl_recv_channel_from_consumer],
-		[
-			AC_DEFINE([HAVE_LIBLTTNG_UST_CTL], [1], [has LTTng-UST control support])
-			lttng_ust_ctl_found=yes
-		],
-		[AC_MSG_ERROR([Cannot find LTTng-UST >= 2.2.x. Use --with-lttng-ust-prefix=PREFIX to specify its location, or specify --without-lttng-ust to build lttng-tools without LTTng-UST support.])],
-		[-lurcu-common -lurcu-bp -lurcu-cds -lrt -ldl]
-	)
-])
-AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [test "x$lttng_ust_ctl_found" = xyes])
-AC_CHECK_FUNCS([sched_getcpu sysconf sync_file_range])
 
 # 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"])
+  [DL_LIBS="-ldl"],
+  [
+    #libdl not found, check for dlopen in libc.
+    AC_CHECK_LIB([c], [dlopen],
+      [DL_LIBS="-lc"],
+      [AC_MSG_FAILURE([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])]
+    )
+  ]
+)
+AC_SUBST(DL_LIBS)
 
 # Check for fmemopen
 AC_CHECK_LIB([c], [fmemopen],
@@ -384,21 +579,12 @@ AC_CHECK_LIB([c], [fmemopen],
 ]
 )
 
-# Check for open_memstream
-AC_CHECK_LIB([c], [open_memstream],
-[
-	AC_DEFINE_UNQUOTED([LTTNG_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])
-]
-)
-
-AC_ARG_ENABLE([git-version],
-              [AC_HELP_STRING([--disable-git-version],
-                              [Do not use the git version for the build])],
-              [have_git_version=$enableval], [have_git_version=yes]
-)
-
-AM_CONDITIONAL([LTTNG_TOOLS_BUILD_GIT_SOURCE],
-	[test "x${have_git_version}" = "xyes"])
+# check for libpfm
+AC_CHECK_LIB([pfm], [pfm_initialize],
+	     [
+	      have_libpfm=yes
+	      ])
+AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBPFM], [test "x$have_libpfm" = "xyes"])
 
 # For Python
 # SWIG version needed or newer:
@@ -407,11 +593,11 @@ swig_version=2.0.0
 AC_ARG_ENABLE([python-bindings],
               [AC_HELP_STRING([--enable-python-bindings],
                               [compile Python bindings])],
-              [enable_python_binding=yes], [enable_python_binding=no])
+              [enable_python_binding=$enableval], [enable_python_binding=no])
 
-AM_CONDITIONAL([PYTHON_BINDING], [test "x${enable_python_binding:-yes}" = xyes])
+AM_CONDITIONAL([PYTHON_BINDING], [test "x$enable_python_binding" = xyes])
 
-if test "x${enable_python_binding:-yes}" = xyes; then
+if test "x$enable_python_binding" = xyes; then
   AX_PKG_SWIG($swig_version, [], [ AC_MSG_ERROR([SWIG $swig_version or newer is needed]) ])
   AS_IF([test x$enable_shared = xno], [ AC_MSG_ERROR([Python bindings require shared libraries.]) ])
   AM_PATH_PYTHON([3.0])
@@ -489,35 +675,77 @@ if test "x$test_java_agent_jul" = "xyes" || test "x$test_java_agent_log4j" = "xy
 	fi
 fi
 
-# set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
-# is not distributed in tarballs
-AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
-AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
-
-# enable building man pages
+# enable building man pages (user's intention)
 AC_ARG_ENABLE(
-	build-man-pages,
+	man-pages,
 	AS_HELP_STRING(
-		[--disable-build-man-pages],
-		[Build man pages (already built in a distributed tarball)]
+		[--disable-man-pages],
+		[Do not build and install man pages (already built in a distributed tarball)]
 	),
-	[build_man_pages=$enableval],
-	[build_man_pages=yes]
+	[man_pages_opt=$enableval],
+	[man_pages_opt=yes]
 )
 
-# export man page build condition
-AM_CONDITIONAL([BUILD_MAN_PAGES], [test "x$build_man_pages" != "xno"])
-
 # check for asciidoc and xmlto if we enabled building the man pages
-AS_IF([test "x$build_man_pages" = "xyes"], [
+have_asciidoc_xmlto=no
+warn_prebuilt_man_pages=no
+
+AS_IF([test "x$man_pages_opt" = "xyes"], [
 	AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
 	AC_PATH_PROG([XMLTO], [xmlto], [no])
 
 	AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
-		AC_MSG_ERROR([Both asciidoc and xmlto are needed to build the LTTng man pages.])
+		AS_IF([test "x$in_git_repo" = "xyes"], [
+			# this is an error because we're in the Git repo, which
+			# means the man pages are not already generated for us,
+			# thus asciidoc/xmlto are required because we were asked
+			# to build the man pages
+			AC_MSG_ERROR([
+You need asciidoc and xmlto to build the LTTng-tools man pages. Use
+--disable-man-pages to disable building the man pages, in which case
+they will not be installed.
+			])
+		], [
+			# only warn here: since we're in the tarball, the man
+			# pages should already be generated at this point, thus
+			# asciidoc/xmlto are not strictly required
+			warn_prebuilt_man_pages=yes
+		])
+	], [
+		have_asciidoc_xmlto=yes
 	])
 ])
 
+# export man page build condition: build the man pages if the user
+# asked for it, and if the tools are available
+AM_CONDITIONAL([MAN_PAGES_OPT], [test "x$man_pages_opt" != "xno"])
+AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
+
+AC_DEFINE_UNQUOTED([MANPATH], ["`eval eval echo $mandir`"], [Path to man pages.])
+
+# embedded --help message
+AC_ARG_ENABLE(
+	[embedded-help],
+	AS_HELP_STRING(
+		[--enable-embedded-help],
+		[Embed the --help messages in the executable files]
+	),
+	[embedded_help=$enableval],
+	[embedded_help=no]
+)
+AS_IF([test "x$embedded_help" = "xyes"], [
+	AS_IF([test "x$man_pages_opt" = "xno"], [
+		AC_MSG_ERROR([You need the --enable-man-pages option with the --enable-embedded-help option.])
+	])
+	AC_PATH_PROG([man_prog_path], [man], [no])
+	AS_IF([test "x$man_prog_path" = "xno"], [
+		AC_MSG_ERROR([You need man with the --enable-embedded-help option.])
+	])
+	AC_DEFINE_UNQUOTED([LTTNG_EMBED_HELP], 1, [Embed --help messages.])
+	AC_SUBST([MANPROG], [$man_prog_path])
+])
+AM_CONDITIONAL([EMBED_HELP], [test "x$embedded_help" != "xno"])
+
 # Python agent test
 UST_PYTHON_AGENT="lttngust"
 
@@ -710,7 +938,7 @@ AS_IF([test x$build_lib_consumer = xyes],
        build_lib_hashtable=yes
        build_lib_compat=yes
        build_lib_relayd=yes
-       AS_IF([test x$lttng_ust_ctl_found = xyes],[build_lib_ust_consumer=yes])
+       AS_IF([test "x$with_lttng_ust" = "xyes"], [build_lib_ust_consumer=yes])
       ]
 )
 
@@ -764,40 +992,26 @@ AM_CONDITIONAL([BUILD_LIB_SESSIOND_COMM], [test x$build_lib_sessiond_comm = xyes
 AM_CONDITIONAL([BUILD_LIB_TESTPOINT], [test x$build_lib_testpoint = xyes])
 AM_CONDITIONAL([BUILD_LIB_UST_CONSUMER], [test x$build_lib_ust_consumer = xyes])
 
-# check for pgrep
-AC_PATH_PROG([PGREP], [pgrep], [no])
-AM_CONDITIONAL([HAS_PGREP], [test "x$PGREP" != "xno"])
+AM_CFLAGS="-Wall -fno-strict-aliasing $PTHREAD_CFLAGS"
+AC_SUBST(AM_CFLAGS)
 
-if test ! -f "$srcdir/src/lib/lttng-ctl/filter/filter-parser.h"; then
-	if test x"$(basename "$YACC")" != "xbison -y"; then
-		AC_MSG_ERROR([[bison not found and is required when building from git.
-		Please install bison]])
-	fi
-	AC_PATH_PROG([BISON],[bison])
-	AX_PROG_BISON_VERSION([2.4], [],[
-		AC_MSG_ERROR([[Bison >= 2.4 is required when building from git]])
-	])
-fi
+AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/include -I\$(top_srcdir)/src -include config.h $AM_CPPFLAGS"
+AC_SUBST(AM_CPPFLAGS)
 
-if test ! -f "$srcdir/src/lib/lttng-ctl/filter/filter-lexer.c"; then
-	if test x"$LEX" != "xflex"; then
-		AC_MSG_ERROR([[flex not found and is required when building from git.
-		Please install flex]])
-	fi
-	AC_PATH_PROG([FLEX],[flex])
-	AX_PROG_FLEX_VERSION([2.5.35], [],[
-		AC_MSG_ERROR([[Flex >= 2.5.35 is required when building from git]])
-	])
-fi
+lttngincludedir="${includedir}/lttng"
+AC_SUBST(lttngincludedir)
 
-CFLAGS="-Wall $CFLAGS -g -fno-strict-aliasing"
+lttngactionincludedir="${includedir}/lttng/action"
+AC_SUBST(lttngactionincludedir)
 
-DEFAULT_INCLUDES="-I\$(top_srcdir) -I\$(top_builddir) -I\$(top_builddir)/src -I\$(top_builddir)/include -include config.h"
+lttngconditionincludedir="${includedir}/lttng/condition"
+AC_SUBST(lttngconditionincludedir)
 
-lttngincludedir="${includedir}/lttng"
+lttngnotificationincludedir="${includedir}/lttng/notification"
+AC_SUBST(lttngnotificationincludedir)
 
-AC_SUBST(lttngincludedir)
-AC_SUBST(DEFAULT_INCLUDES)
+lttngtriggerincludedir="${includedir}/lttng/trigger"
+AC_SUBST(lttngtriggerincludedir)
 
 lttnglibexecdir="${libdir}/lttng/libexec"
 AC_SUBST(lttnglibexecdir)
@@ -806,6 +1020,7 @@ AC_CONFIG_FILES([
 	Makefile
 	doc/Makefile
 	doc/man/Makefile
+	doc/man/asciidoc-attrs.conf
 	include/Makefile
 	extras/Makefile
 	extras/bindings/Makefile
@@ -826,6 +1041,7 @@ AC_CONFIG_FILES([
 	src/common/index/Makefile
 	src/common/health/Makefile
 	src/common/config/Makefile
+	src/common/string-utils/Makefile
 	src/lib/Makefile
 	src/lib/lttng-ctl/Makefile
 	src/lib/lttng-ctl/filter/Makefile
@@ -849,10 +1065,14 @@ AC_CONFIG_FILES([
 	tests/regression/tools/live/Makefile
 	tests/regression/tools/exclusion/Makefile
 	tests/regression/tools/save-load/Makefile
+	tests/regression/tools/save-load/configuration/Makefile
 	tests/regression/tools/mi/Makefile
 	tests/regression/tools/wildcard/Makefile
 	tests/regression/tools/crash/Makefile
-	tests/regression/tools/metadata-regen/Makefile
+	tests/regression/tools/regen-metadata/Makefile
+	tests/regression/tools/regen-statedump/Makefile
+	tests/regression/tools/notification/Makefile
+	tests/regression/tools/rotation/Makefile
 	tests/regression/ust/Makefile
 	tests/regression/ust/nprocesses/Makefile
 	tests/regression/ust/high-throughput/Makefile
@@ -861,6 +1081,7 @@ AC_CONFIG_FILES([
 	tests/regression/ust/buffers-pid/Makefile
 	tests/regression/ust/periodical-metadata-flush/Makefile
 	tests/regression/ust/multi-session/Makefile
+	tests/regression/ust/multi-lib/Makefile
 	tests/regression/ust/overlap/Makefile
 	tests/regression/ust/overlap/demo/Makefile
 	tests/regression/ust/linking/Makefile
@@ -876,19 +1097,27 @@ AC_CONFIG_FILES([
 	tests/regression/ust/getcpu-override/Makefile
 	tests/regression/ust/clock-override/Makefile
 	tests/regression/ust/type-declarations/Makefile
+	tests/regression/ust/rotation-destroy-flush/Makefile
+	tests/regression/ust/blocking/Makefile
 	tests/stress/Makefile
 	tests/unit/Makefile
 	tests/unit/ini_config/Makefile
+	tests/perf/Makefile
 	tests/utils/Makefile
 	tests/utils/tap/Makefile
 	tests/utils/testapp/Makefile
 	tests/utils/testapp/gen-ust-events/Makefile
 	tests/utils/testapp/gen-ust-nevents/Makefile
+	tests/utils/testapp/gen-ust-nevents-str/Makefile
+	tests/utils/testapp/gen-syscall-events/Makefile
 	tests/utils/testapp/gen-ust-tracef/Makefile
 ])
 
 # Inject variable into python test script.
 AC_CONFIG_FILES([tests/regression/ust/python-logging/test_python_logging],[chmod +x tests/regression/ust/python-logging/test_python_logging])
+# Inject LTTNG_TOOLS_BUILD_WITH_LIBPFM variable in test script.
+AC_CONFIG_FILES([tests/perf/test_perf_raw],[chmod +x tests/perf/test_perf_raw])
+AC_CONFIG_FILES([tests/regression/ust/ust-dl/test_ust-dl],[chmod +x tests/regression/ust/ust-dl/test_ust-dl])
 
 AC_OUTPUT
 
@@ -927,11 +1156,11 @@ done
 PPRINT_PROP_STRING([Target architecture], $target_arch)
 
 # kmod enabled/disabled
-test "x$kmod_found" = "xyes" && value=1 || value=0
+test "x$with_kmod" != "xno" && value=1 || value=0
 PPRINT_PROP_BOOL([libkmod support], $value)
 
 # LTTng-UST enabled/disabled
-test "x$lttng_ust_support" = "xyes" && value=1 || value=0
+test "x$with_lttng_ust" = "xyes" && value=1 || value=0
 PPRINT_PROP_BOOL([LTTng-UST support], $value)
 
 AS_ECHO
@@ -983,29 +1212,36 @@ test ! -z "$PYTHON3_AGENT" && value=1 || value=0
 PPRINT_PROP_BOOL([LTTng-UST Python3 agent tests], $value)
 
 #Python binding enabled/disabled
-test "x${enable_python_binding:-yes}" = xyes && value=1 || value=0
+test "x$enable_python_binding" = xyes && value=1 || value=0
 AS_ECHO
 PPRINT_SET_INDENT(0)
 PPRINT_PROP_BOOL([Python binding], $value, $PPRINT_COLOR_SUBTITLE)
-PPRINT_SET_INDENT(1)
-
-AS_ECHO
-PPRINT_SUBTITLE([Man pages])
 
 # man pages build enabled/disabled
-AS_IF([test "x$build_man_pages" = "xyes"], [
-	PPRINT_PROP_BOOL([Build man pages], 1)
-], [
+m4_pushdef([build_man_pages_msg], [Build and install man pages])
+
+AS_IF([test "x$man_pages_opt" != "xno"], [
 	AS_IF([test "x$in_git_repo" = "xyes"], [
-		PPRINT_PROP_BOOL([Build man pages], 0)
+		PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
 	], [
-		PPRINT_PROP_STRING([Build man pages], [${PPRINT_COLOR_BLDGRN}Already built])
+		AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
+			PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
+		], [
+			PPRINT_PROP_STRING([build_man_pages_msg],
+				[${PPRINT_COLOR_BLDGRN}yes (already built)],
+				$PPRINT_COLOR_SUBTITLE)
+		])
 	])
+], [
+	PPRINT_PROP_BOOL([build_man_pages_msg], 0, $PPRINT_COLOR_SUBTITLE)
 ])
 
-# man pages install enabled/disabled (always true in tarball)
-test "x$build_man_pages" != "xyes" && test "x$in_git_repo" = "xyes" && value=0 || value=1
-PPRINT_PROP_BOOL([Install man pages], $value)
+m4_popdef([build_man_pages_msg])
+
+test "x$embedded_help" = xyes && value=1 || value=0
+PPRINT_PROP_BOOL([Embed --help messages], $value, $PPRINT_COLOR_SUBTITLE)
+
+PPRINT_SET_INDENT(1)
 
 report_bindir="`eval eval echo $bindir`"
 report_libdir="`eval eval echo $libdir`"
@@ -1054,3 +1290,19 @@ AS_IF([test "$CONSUMERD64_LIBDIR" = ""],[
 	path="$CONSUMERD64_LIBDIR"
 ])
 PPRINT_PROP_STRING([64-bit consumer libraries], [$path])
+PPRINT_SET_INDENT(0)
+
+AS_IF([test "x$warn_prebuilt_man_pages" = "xyes" ], [
+	AS_ECHO
+	PPRINT_WARN([You need asciidoc and xmlto to build the LTTng-tools man pages.
+
+Note that the man pages are already built in this distribution tarball,
+therefore asciidoc and xmlto are only needed if you intend to modify
+their sources.
+
+Also note that the installed man pages will contain the project's
+default command-line option and environment variable values.
+
+Use --disable-man-pages to completely disable building and installing
+the man pages.])
+])