lttng-enable-event.1.txt: document dynamic user space probes
[lttng-tools.git] / configure.ac
index ab3616978ae16e0a060c5dd6a4a497f54f79e885..69a9d776acfce3772829aae9e2ab7890d18b5a46 100644 (file)
@@ -1,5 +1,5 @@
 AC_PREREQ([2.64])
-AC_INIT([lttng-tools],[2.10.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
+AC_INIT([lttng-tools],[2.12.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
 
 AC_CONFIG_HEADERS([include/config.h])
 AC_CONFIG_AUX_DIR([config])
@@ -21,6 +21,12 @@ AC_USE_SYSTEM_EXTENSIONS
 AC_SYS_LARGEFILE
 AC_PROG_CC
 AC_PROG_CC_STDC
+AC_PROG_CXX
+rw_PROG_CXX_WORKS
+AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
+
+ax_CHECK_SDT_WORKS
+AM_CONDITIONAL([SDT_WORKS], [test "x$ax_check_sdt_works" = "xyes"])
 
 # Checks for programs.
 AC_PROG_GREP
@@ -40,6 +46,11 @@ AM_CONDITIONAL([HAVE_OBJCOPY], [test "x$OBJCOPY" != xno])
 AC_PATH_PROG([PGREP], [pgrep], [no])
 AM_CONDITIONAL([HAVE_PGREP], [test "x$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
@@ -107,6 +118,10 @@ AS_IF([test "x$ax_cv___attribute__" = "xyes"],
 
 AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
 
+# Check if linker has the -no-pie option.
+AX_CHECK_LINK_FLAG([-no-pie], [linker_have_no_pie_option=yes])
+AM_CONDITIONAL([LINKER_HAVE_NO_PIE_OPTION], [test "x$linker_have_no_pie_option" = "xyes"])
+
 AX_LIB_SOCKET_NSL
 
 LT_NO_UNDEFINED=""
@@ -114,6 +129,16 @@ 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])
     ]
 )
 
@@ -131,8 +156,8 @@ AC_DEFINE_UNQUOTED([VERSION_MAJOR], $major_version, [LTTng-Tools major version n
 AC_DEFINE_UNQUOTED([VERSION_MINOR], $minor_version, [LTTng-Tools minor version number])
 AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [LTTng-Tools patchlevel version number])
 
-version_name="KeKriek"
-version_description='From Brasserie Dunham, a sour mashed golden wheat ale fermented with local sour cherries from Tougas orchards. Fresh sweet cherry notes with some tartness, lively carbonation with a dry finish.'
+version_name="Codename TBD"
+version_description="Description TBD"
 version_description_c=$(echo $version_description | $SED 's/"/\\"/g')
 
 AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], "")
@@ -175,7 +200,7 @@ AC_CHECK_HEADERS([ \
 # Basic functions check
 AC_CHECK_FUNCS([ \
        atexit bzero clock_gettime dup2 fdatasync fls ftruncate \
-       gethostbyname gethostname getpagesize localtime_r memchr memset \
+       gethostbyname gethostname getpagesize localtime_r memchr memrchr memset \
        mkdir munmap putenv realpath rmdir socket strchr strcspn strdup \
        strncasecmp strndup strnlen strpbrk strrchr strstr strtol strtoul \
        strtoull dirfd gethostbyname2 getipnodebyname epoll_create1 \
@@ -186,6 +211,30 @@ AC_CHECK_FUNCS([ \
 # 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],
@@ -291,7 +340,9 @@ 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])
-_AC_DEFINE_AND_SUBST([DEFAULT_AGENT_TCP_PORT], [5345])
+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])
@@ -302,6 +353,7 @@ _AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM], [_DEFAULT_CHANNEL_SUBB
 _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])
@@ -313,12 +365,14 @@ _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])
@@ -327,6 +381,8 @@ _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_TIMER], [500000])
 
 # Command short descriptions
 _AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ADD_CONTEXT], [Add context fields to a channel])
@@ -334,12 +390,15 @@ _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])
@@ -362,19 +421,22 @@ AC_DEFINE_DIR([CONFIG_LTTNG_SYSTEM_DATADIR],[datadir], [LTTng system data direct
 
 # 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])
 
@@ -527,13 +589,6 @@ 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.])
-]
-)
-
 # check for libpfm
 AC_CHECK_LIB([pfm], [pfm_initialize],
             [
@@ -541,15 +596,6 @@ AC_CHECK_LIB([pfm], [pfm_initialize],
              ])
 AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBPFM], [test "x$have_libpfm" = "xyes"])
 
-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"])
-
 # For Python
 # SWIG version needed or newer:
 swig_version=2.0.0
@@ -639,11 +685,6 @@ 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$in_git_repo" = "xyes"])
-
 # enable building man pages (user's intention)
 AC_ARG_ENABLE(
        man-pages,
@@ -832,6 +873,8 @@ build_lib_compat=no
 build_lib_consumer=no
 build_lib_hashtable=no
 build_lib_health=no
+build_lib_runas=no
+build_lib_unix=no
 build_lib_index=no
 build_lib_kernel_consumer=no
 build_lib_kernel_ctl=no
@@ -888,7 +931,8 @@ AS_IF([test x$enable_bin_lttng_sessiond != xno],
        build_lib_relayd=yes
        build_lib_testpoint=yes
        build_lib_health=yes
-       build_lib_health=yes
+       build_lib_runas=yes
+       build_lib_unix=yes
       ]
 )
 
@@ -924,6 +968,51 @@ AS_IF([test x$build_lib_relayd = xyes],
       ]
 )
 
+# Find arch type
+AS_CASE([$host_cpu],
+        [k1om], [ARCHTYPE="x86"],
+        [i386], [ARCHTYPE="x86"],
+        [i486], [ARCHTYPE="x86"],
+        [i586], [ARCHTYPE="x86"],
+        [i686], [ARCHTYPE="x86"],
+        [amd64], [ARCHTYPE="x86"],
+        [x86_64], [ARCHTYPE="x86"],
+        [powerpc], [ARCHTYPE="ppc"],
+        [ppc64], [ARCHTYPE="ppc"],
+        [powerpc64], [ARCHTYPE="ppc"],
+        [powerpc64le], [ARCHTYPE="ppc"],
+        [ppc], [ARCHTYPE="ppc"],
+        [s390], [ARCHTYPE="s390"],
+        [s390x], [ARCHTYPE="s390"],
+        [sparc], [ARCHTYPE="sparc64"],
+        [sparc64], [ARCHTYPE="sparc64"],
+        [alpha*], [ARCHTYPE="alpha"],
+        [ia64], [ARCHTYPE="ia64"],
+        [arm*], [ARCHTYPE="arm"],
+        [aarch64*], [ARCHTYPE="aarch64"],
+        [mips*], [ARCHTYPE="mips"],
+        [nios2*], [ARCHTYPE="nios2"],
+        [tile*], [ARCHTYPE="tile"],
+        [hppa*], [ARCHTYPE="hppa"],
+        [m68k], [ARCHTYPE="m68k"],
+        [riscv*], [ARCHTYPE="riscv"],
+        [ARCHTYPE="unknown"]
+)
+
+AC_SUBST(ARCHTYPE)
+
+AH_TEMPLATE([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [Define if you have LTTng-modules userspace callstack tracing support])
+AC_MSG_CHECKING([for architecture support of userspace callstack tracing from the kernel])
+AS_IF([test "x$ARCHTYPE" = "xx86"],[
+        # Userspace callstack capture is only supported by the Linux kernel on x86.
+        AC_MSG_RESULT([yes])
+        have_modules_userspace_callstack_context=yes
+        AC_DEFINE([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [1])
+], [
+        AC_MSG_RESULT([no])
+        have_modules_userspace_callstack_context=no
+])
+AM_CONDITIONAL([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [test x$have_modules_userspace_callstack_context != xno])
 
 # Export binaries build conditions.
 AM_CONDITIONAL([BUILD_BIN_LTTNG], [test x$enable_bin_lttng != xno])
@@ -952,6 +1041,8 @@ AM_CONDITIONAL([BUILD_LIB_CONFIG], [test x$build_lib_config = xyes])
 AM_CONDITIONAL([BUILD_LIB_CONSUMER], [test x$build_lib_consumer = xyes])
 AM_CONDITIONAL([BUILD_LIB_HASHTABLE], [test x$build_lib_hashtable = xyes])
 AM_CONDITIONAL([BUILD_LIB_HEALTH], [test x$build_lib_health = xyes])
+AM_CONDITIONAL([BUILD_LIB_RUNAS], [test x$build_lib_runas = xyes])
+AM_CONDITIONAL([BUILD_LIB_UNIX], [test x$build_lib_unix = xyes])
 AM_CONDITIONAL([BUILD_LIB_INDEX], [test x$build_lib_index = xyes])
 AM_CONDITIONAL([BUILD_LIB_KERNEL_CONSUMER], [test x$build_lib_kernel_consumer = xyes])
 AM_CONDITIONAL([BUILD_LIB_KERNEL_CTL], [test x$build_lib_kernel_ctl = xyes])
@@ -1041,6 +1132,7 @@ AC_CONFIG_FILES([
        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
@@ -1049,6 +1141,7 @@ 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
@@ -1074,15 +1167,21 @@ AC_CONFIG_FILES([
        tests/utils/tap/Makefile
        tests/utils/testapp/Makefile
        tests/utils/testapp/gen-ust-events/Makefile
+       tests/utils/testapp/gen-syscall-events-callstack/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
+       tests/utils/testapp/userspace-probe-elf-binary/Makefile
+       tests/utils/testapp/userspace-probe-elf-cxx-binary/Makefile
+       tests/utils/testapp/userspace-probe-sdt-binary/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
 
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