common: move copy_filter_bytecode to bytecode.c and rename it
[lttng-tools.git] / configure.ac
index 92a2674c6246dc609f785829372604aaada09d1e..58d4f9292369c4ed9dee90c3b9edbdf9dbefba88 100644 (file)
@@ -1,6 +1,6 @@
 dnl SPDX-License-Identifier: GPL-2.0-only
 AC_PREREQ([2.64])
-AC_INIT([lttng-tools],[2.12.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
+AC_INIT([lttng-tools],[2.13.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
 
 AC_CONFIG_HEADERS([include/config.h])
 AC_CONFIG_AUX_DIR([config])
@@ -21,11 +21,42 @@ AC_REQUIRE_AUX_FILE([tap-driver.sh])
 AC_USE_SYSTEM_EXTENSIONS
 AC_SYS_LARGEFILE
 AC_PROG_CC
-AC_PROG_CC_STDC
+# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
+m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
 AC_PROG_CXX
 RW_PROG_CXX_WORKS
 AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
 
+# Detect warning flags supported by the compiler, append them to WARN_CFLAGS.
+#
+# Pass -Werror as an extra flag during the test: this is needed to make the
+# -Wunknown-warning-option diagnostic fatal with clang.
+AX_APPEND_COMPILE_FLAGS([ dnl
+               -Wall dnl
+               dnl We currently get this warning when building with Clang:
+               dnl
+               dnl /usr/include/setjmp.h:54:12: error: declaration of built-in function '__sigsetjmp' requires the declaration of the 'jmp_buf' type, commonly provided in the header <setjmp.h>. [-Werror,-Wincomplete-setjmp-declaration]
+               dnl extern int __sigsetjmp (struct __jmp_buf_tag __env[1], int __savemask) __THROWNL;
+               dnl            ^
+               -Wno-incomplete-setjmp-declaration dnl
+               -Wdiscarded-qualifiers dnl
+               -Wmissing-declarations dnl
+               -Wmissing-prototypes dnl
+               -Wmissing-parameter-type dnl
+               -Wold-style-definition dnl
+               -Wstrict-prototypes dnl
+       ],
+       [WARN_CFLAGS],
+       [-Werror])
+
+# When given, add -Werror to WARN_CFLAGS.
+AC_ARG_ENABLE([Werror],
+       [AS_HELP_STRING([--enable-Werror], [Treat compiler warnings as errors.])]
+)
+AS_IF([test "x$enable_Werror" = "xyes"],
+       [WARN_CFLAGS="${WARN_CFLAGS} -Werror"]
+)
+
 # Checks for programs.
 AC_PROG_GREP
 AC_PROG_MAKE_SET
@@ -72,7 +103,9 @@ detection.
 AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
 
 # check for flex
-AC_PROG_LEX
+# Prior to autoconf 2.70, AC_PROG_FLEX did not take an argument. This is not a
+# problem since the argument is silently ignored by older versions.
+AC_PROG_LEX([noyywrap])
 FLEX=$LEX
 AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
 
@@ -154,8 +187,8 @@ 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="Codename TBD"
-version_description="Description TBD"
+version_name="N-Beer"
+version_description="An alcoholic drink made from yeast-fermented malt flavored with hops."
 version_description_c=$(echo $version_description | $SED 's/"/\\"/g')
 
 AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], "")
@@ -207,6 +240,10 @@ AC_CHECK_FUNCS([ \
        sched_getcpu sysconf sync_file_range
 ])
 
+# Check for pthread_setname_np and pthread_getname_np
+LTTNG_PTHREAD_SETNAME_NP
+LTTNG_PTHREAD_GETNAME_NP
+
 # 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])
@@ -448,35 +485,10 @@ PKG_CHECK_MODULES([libxml2], [libxml-2.0 >= 2.7.6])
 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) >= 0.9.0 is needed])
-
-# Check liburcu needed function calls
-AC_CHECK_DECL([cds_list_add], [],
-       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu/list.h>]])
-AC_CHECK_DECL([cds_wfcq_init], [],
-       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu/wfcqueue.h>]])
-AC_CHECK_DECL([cds_wfcq_dequeue_blocking], [],
-       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu/wfcqueue.h>]])
-AC_CHECK_DECL([futex_async], [],
-       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu/futex.h>]])
-AC_CHECK_DECL([rcu_thread_offline], [],
-       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu.h>]])
-AC_CHECK_DECL([rcu_thread_online], [],
-       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu.h>]])
-AC_CHECK_DECL([caa_likely], [],
-       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu.h>]])
-AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [],
-       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])])
-
-#Function added in urcu 0.7.0
-AC_CHECK_DECL([cmm_smp_mb__before_uatomic_or], [],
-        [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu.h>]]
-)
-
-#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>]]
-)
+PKG_CHECK_MODULES([URCU], [liburcu >= 0.9])
+PKG_CHECK_MODULES([URCU_BP], [liburcu-bp >= 0.9])
+PKG_CHECK_MODULES([URCU_CDS], [liburcu-cds >= 0.9])
+AM_CPPFLAGS="$AM_CPPFLAGS $URCU_CFLAGS"
 
 # 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
@@ -549,7 +561,7 @@ AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBPFM], [test "x$have_libpfm" = "xyes"])
 swig_version=2.0.0
 
 AC_ARG_ENABLE([python-bindings],
-              [AC_HELP_STRING([--enable-python-bindings],
+              [AS_HELP_STRING([--enable-python-bindings],
                               [compile Python bindings])],
               [enable_python_binding=$enableval], [enable_python_binding=no])
 
@@ -588,10 +600,8 @@ AX_HAVE_EPOLL(
 )
 AX_CONFIG_FEATURE(
        [epoll], [This platform supports epoll(7)],
-       [HAVE_EPOLL], [This platform supports epoll(7).],
-       [enable_epoll="yes"], [enable_epoll="no"]
+       [HAVE_EPOLL], [This platform supports epoll(7).]
 )
-AM_CONDITIONAL([COMPAT_EPOLL], [ test "$enable_epoll" = "yes" ])
 
 AS_IF([test "x$ac_cv_func_dirfd" = "xyes"],
        [AX_CONFIG_FEATURE_ENABLE(dirfd)],
@@ -599,10 +609,8 @@ AS_IF([test "x$ac_cv_func_dirfd" = "xyes"],
 )
 AX_CONFIG_FEATURE(
        [dirfd], [Use directory file descriptors],
-       [COMPAT_DIRFD], [This platform supports directory file descriptors.],
-       [enable_dirfd="yes"], [enable_dirfd="no"]
+       [HAVE_DIRFD], [This platform supports directory file descriptors.]
 )
-AM_CONDITIONAL([COMPAT_DIRFD], [ test "$enable_dirfd" = "yes" ])
 
 AM_CONDITIONAL([TEST_JAVA_JUL_AGENT], [test "x$test_java_agent_jul" = "xyes"])
 AM_CONDITIONAL([TEST_JAVA_LOG4J_AGENT], [test "x$test_java_agent_log4j" = "xyes"])
@@ -988,18 +996,26 @@ AS_CASE([$host_cpu],
 
 AC_SUBST(ARCHTYPE)
 
+AS_CASE([$host_os],
+       [linux*], [OSTYPE="linux"],
+       [freebsd*], [OSTYPE="freebsd"],
+       [solaris*], [OSTYPE="solaris"],
+       [cygwin*], [OSTYPE="cygwin"],
+       [mingw*], [OSTYPE="mingw"],
+       [OSTYPE="unknown"]
+)
+AC_SUBST(OSTYPE)
+AM_CONDITIONAL([IS_LINUX], [test $OSTYPE = "linux"])
+
+
+
+# Userspace callstack capture is only supported by the Linux kernel on x86.
 AH_TEMPLATE([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [Define if you have LTTng-modules userspace callstack tracing support])
-AC_MSG_CHECKING([for architecture support of userspace callstack tracing from the kernel])
-AS_IF([test "x$ARCHTYPE" = "xx86"],[
-        # Userspace callstack capture is only supported by the Linux kernel on x86.
-        AC_MSG_RESULT([yes])
+AS_IF([test "x$ARCHTYPE" = "xx86" && test "x$OSTYPE" = "xlinux"],[
         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$have_modules_userspace_callstack_context != xno])
+AM_CONDITIONAL([HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT], [test x$have_modules_userspace_callstack_context = xyes])
 
 # Export binaries build conditions.
 AM_CONDITIONAL([BUILD_BIN_LTTNG], [test x$enable_bin_lttng != xno])
@@ -1038,16 +1054,20 @@ AM_CONDITIONAL([BUILD_LIB_SESSIOND_COMM], [test x$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])
 
-AM_CFLAGS="-Wall -fno-strict-aliasing $PTHREAD_CFLAGS"
+AM_CFLAGS="${WARN_CFLAGS} -fno-strict-aliasing $PTHREAD_CFLAGS"
 AC_SUBST(AM_CFLAGS)
 
+# This is set even though it is empty, so Makefiles can do "AM_LDFLAGS += ...".
+AM_LDFLAGS=""
+AC_SUBST(AM_LDFLAGS)
+
 # The order in which the include folders are searched is important.
 # The top_builddir should always be searched first in the event that a build
 # time generated file is included. An example of this is the "version.i" file.
 # In a scenario where lttng-tools is built from a distribution tarball and in a
 # out-of-tree manner, the generated "version.i" has priority on the one from
 # the source (distribution tarball) and must be found first.
-AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -I\$(top_srcdir)/src -include config.h $AM_CPPFLAGS"
+AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include config.h $AM_CPPFLAGS"
 AC_SUBST(AM_CPPFLAGS)
 
 lttngincludedir="${includedir}/lttng"
@@ -1065,6 +1085,9 @@ AC_SUBST(lttngnotificationincludedir)
 lttngtriggerincludedir="${includedir}/lttng/trigger"
 AC_SUBST(lttngtriggerincludedir)
 
+lttngeventruleincludedir="${includedir}/lttng/event-rule"
+AC_SUBST(lttngeventruleincludedir)
+
 lttnglibexecdir="${libdir}/lttng/libexec"
 AC_SUBST(lttnglibexecdir)
 
@@ -1081,6 +1104,8 @@ AC_CONFIG_FILES([
        extras/core-handler/Makefile
        src/Makefile
        src/common/Makefile
+       src/common/argpar/Makefile
+       src/common/bytecode/Makefile
        src/common/kernel-ctl/Makefile
        src/common/kernel-consumer/Makefile
        src/common/consumer/Makefile
@@ -1095,9 +1120,9 @@ AC_CONFIG_FILES([
        src/common/config/Makefile
        src/common/string-utils/Makefile
        src/common/fd-tracker/Makefile
+       src/common/filter/Makefile
        src/lib/Makefile
        src/lib/lttng-ctl/Makefile
-       src/lib/lttng-ctl/filter/Makefile
        src/lib/lttng-ctl/lttng-ctl.pc
        src/bin/Makefile
        src/bin/lttng-consumerd/Makefile
@@ -1132,6 +1157,9 @@ AC_CONFIG_FILES([
        tests/regression/tools/working-directory/Makefile
        tests/regression/tools/relayd-grouping/Makefile
        tests/regression/tools/clear/Makefile
+       tests/regression/tools/trigger/Makefile
+       tests/regression/tools/trigger/start-stop/Makefile
+       tests/regression/tools/trigger/utils/Makefile
        tests/regression/ust/Makefile
        tests/regression/ust/nprocesses/Makefile
        tests/regression/ust/high-throughput/Makefile
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