-AC_PREREQ([2.50])
+dnl SPDX-License-Identifier: MIT
+dnl
+dnl Copyright (C) 2017 EfficiOS, Inc.
+dnl
+dnl Process this file with autoconf to produce a configure script.
+
+# Project version information
m4_define([bt_version_major], [2])
-m4_define([bt_version_minor], [0])
+m4_define([bt_version_minor], [1])
m4_define([bt_version_patch], [0])
-m4_define([bt_version_extra], [-pre1])
-m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_extra)
-AC_INIT([babeltrace],bt_version,[jeremie dot galarneau at efficios dot com])
+m4_define([bt_version_dev_stage], [-rc1])
+m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_dev_stage)
+m4_define([bt_version_name], [[Codename TBD]])
+m4_define([bt_version_description], [[Description TBD]])
+# Library version information of "libbabeltrace2"
# Following the numbering scheme proposed by libtool for the library version
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_version_major[:]bt_version_minor[:]bt_version_patch)
+m4_define([bt_lib_version_current], [0])
+m4_define([bt_lib_version_revision], [0])
+m4_define([bt_lib_version_age], [0])
+m4_define([bt_lib_version], bt_lib_version_current[:]bt_lib_version_revision[:]bt_lib_version_age)
+
+
+## ##
+## Autoconf base setup ##
+## ##
+
+AC_PREREQ([2.69])
+AC_INIT([babeltrace2],[bt_version],[jeremie dot galarneau at efficios dot com],[],[https://efficios.com/babeltrace/])
-AC_CONFIG_HEADERS([include/config.h])
+AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_lib_version)
+
+AC_CONFIG_HEADERS([src/common/config.h])
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_MACRO_DIR([m4])
-AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace library major version])
-AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace library minor version])
-AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace library patch version])
-AC_DEFINE([BT_VERSION_EXTRA], ["]bt_version_extra["], [Babeltrace library extra version])
+AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
+AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
+AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
+AC_DEFINE([BT_VERSION_DEV_STAGE], ["]bt_version_dev_stage["], [Babeltrace version development stage (can be empty)])
+AC_DEFINE([BT_VERSION_NAME], ["]bt_version_name["], [Babeltrace version name])
+AC_DEFINE([BT_VERSION_DESCRIPTION], ["]AS_ESCAPE(bt_version_description)["], [Babeltrace version description])
AC_CANONICAL_TARGET
AC_CANONICAL_HOST
-AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
+
+## ##
+## Automake base setup ##
+## ##
+
+AM_INIT_AUTOMAKE([1.13 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc subdir-objects -Wall -Wno-portability -Werror])
AM_MAINTAINER_MODE([enable])
-# Enable silent rules if available (Introduced in AM 1.11)
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+# Enable silent rules by default
+AM_SILENT_RULES([yes])
-AC_REQUIRE_AUX_FILE([tap-driver.sh])
-# Checks for C compiler
-AC_USE_SYSTEM_EXTENSIONS
-AC_SYS_LARGEFILE
+## ##
+## OS specific defaults ##
+## ##
+
+MINGW32=no
+LT_NO_UNDEFINED=""
+AS_CASE([$host_os],
+ [solaris*|darwin*],
+ [
+ AE_FEATURE_DISABLE([debug-info])
+ ],
+ [freebsd*],
+ [
+ AE_FEATURE_DISABLE([debug-info])
+ ],
+ [cygwin*],
+ [
+ AE_FEATURE_DISABLE([debug-info])
+ LT_NO_UNDEFINED="-no-undefined"
+ ],
+ [mingw*],
+ [
+ MINGW32=yes
+ AE_FEATURE_DISABLE([debug-info])
+ LT_NO_UNDEFINED="-no-undefined"
+ ]
+)
+
+AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
+AC_SUBST(LT_NO_UNDEFINED)
+
+
+## ##
+## C compiler checks ##
+## ##
+
+# Choose the C compiler
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])
-# Checks for programs.
-AC_PROG_MAKE_SET
-LT_INIT(win32-dll)
-AC_PROG_MKDIR_P
-AC_PROG_LN_S
+# Make sure the C compiler supports C99
+AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
+
+# Enable available system extensions and LFS support
+AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
+# Make sure the C compiler supports __attributes__
AX_C___ATTRIBUTE__
-AS_IF([test "x$ax_cv___attribute__" = "xyes"],
- [:],
- [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
+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])])
+# Make sure we have pthread support
+AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_INLINE
+AC_C_TYPEOF
+AC_TYPE_INT16_T
+AC_TYPE_INT32_T
+AC_TYPE_INT64_T
+AC_TYPE_INT8_T
+AC_TYPE_OFF_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])
-# Check linker option
-AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
-AC_SUBST([LD_NO_AS_NEEDED])
+
+## ##
+## C++ compiler checks ##
+## ##
+
+# Require a C++11 compiler without GNU extensions (-std=c++11)
+AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
+
+
+## ##
+## Header checks ##
+## ##
AC_HEADER_STDBOOL
AC_CHECK_HEADERS([ \
- fcntl.h \
- float.h \
- ftw.h \
- libintl.h \
- limits.h \
- malloc.h \
- netdb.h \
- netinet/in.h \
- stddef.h \
- sys/socket.h \
+ fcntl.h \
+ float.h \
+ ftw.h \
+ libintl.h \
+ limits.h \
+ malloc.h \
+ netdb.h \
+ netinet/in.h \
+ stddef.h \
+ sys/socket.h \
+ sys/time.h
+])
+
+
+## ##
+## Linker checks ##
+## ##
+
+# Check if the linker supports no-as-needed
+AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
+AC_SUBST([LD_NO_AS_NEEDED])
+
+# Check if the linker supports whole-archive
+AX_CHECK_LINK_FLAG([-Wl,--whole-archive,--no-whole-archive],
+ [
+ AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,--whole-archive,])
+ AC_SUBST([LD_NO_WHOLE_ARCHIVE], [,--no-whole-archive])
+ ],[
+ # Fallback to force_load for the macOS linker
+ AX_CHECK_LINK_FLAG([-Wl,-force_load],
+ [
+ AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,-force_load,])
+ AC_SUBST([LD_NO_WHOLE_ARCHIVE], [])
+ ],[
+ AC_MSG_WARN([Can't find a linker option to force the inclusion of the static plugin archive objects.])
+ ]
+ )
+ ]
+)
+
+# Check if the linker supports the "notext" keyword
+AX_CHECK_LINK_FLAG([-Wl,-z,notext],[
+ AC_SUBST([LD_NOTEXT], [-Wl,-z,notext])
])
-# 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$in_git_repo" = "xyes"])
+
+## ##
+## Programs checks ##
+## ##
+
+AM_PROG_AR
+AC_PROG_MAKE_SET
+AC_PROG_MKDIR_P
+AC_PROG_LN_S
+AC_PROG_SED
+AC_CHECK_PROGS([FOLD], [fold])
+AC_CHECK_PROGS([ASCIIDOC], [asciidoc])
+AC_CHECK_PROGS([XMLTO], [xmlto])
# check for bison
AC_PROG_YACC
-AX_PROG_BISON_VERSION([2.4], [have_bison=yes])
+AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
AS_IF([test "x$have_bison" != "xyes"], [
- AS_IF([test "x$in_git_repo" = "xyes"], [
- AC_MSG_FAILURE([
-Bison >= 2.4 is required when building from the Git repository. You can
+ AE_IF_IN_GIT_REPO([
+ AC_MSG_FAILURE([dnl
+Bison >= 2.5 is required when building from the Git repository. You can
set the YACC variable to override automatic detection.
])
], [
- AC_MSG_WARN([
-Missing Bison >= 2.4. Note that the parser files are already built in
+ AC_MSG_WARN([dnl
+Missing Bison >= 2.5. Note that the parser files are already built in
this distribution tarball, so Bison is only needed if you intend to
modify their sources. You can set the YACC variable to override automatic
detection.
AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
# check for flex
-AC_PROG_LEX
+# 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])
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([
+ AE_IF_IN_GIT_REPO([
+ AC_MSG_FAILURE([dnl
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([
+ AC_MSG_WARN([dnl
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
])
AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
+# Always check for python, we will fail later if some features require it and
+# it's unavailable.
+AM_PATH_PYTHON([3.4], [
+ AE_PATH_PYTHON_MODULES([PYTHON])
+
+ # pythondir is the path where extra modules are to be installed
+ pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
+
+ # pyexecdir is the path that contains shared objects used by the extra modules
+ pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
+
+ # If no PYTHON_CONFIG was specified by the user, try to find it, starting
+ # with the one specific to the configured python version.
+ AS_IF([test "x$PYTHON_CONFIG" = "x"], [
+ AC_CHECK_PROGS([PYTHON_CONFIG], [python$PYTHON_VERSION-config python-config])
+ ])
+
+ # If PYTHON_CONFIG is set use it to get the includes and ld flags, unless
+ # they were specified by the user.
+ AS_IF([test "x$PYTHON_CONFIG" != "x" ], [
+ AS_IF([test "x$PYTHON_INCLUDE" = "x"], [
+ AC_MSG_CHECKING([Python include flags])
+ PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
+ AC_MSG_RESULT([$PYTHON_INCLUDE])
+ ])
+
+ AS_IF([test "x$PYTHON_LDFLAGS" = "x"], [
+ AC_MSG_CHECKING([Python library flags])
+ # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
+ AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
+ PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
+ ])
+ AC_MSG_RESULT([$PYTHON_LDFLAGS])
+ ])
+ ])
+], [:])
+
+# Initialize and configure libtool
+LT_INIT([win32-dll])
+
-AM_PATH_GLIB_2_0(2.22.0, ,AC_MSG_ERROR([glib is required in order to compile BabelTrace - download it from ftp://ftp.gtk.org/pub/gtk]) , gmodule-no-export)
+## ##
+## Library checks ##
+## ##
# Check what libraries are required on this platform to link sockets programs.
AX_LIB_SOCKET_NSL
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_INLINE
-AC_TYPE_PID_T
-AC_TYPE_SIZE_T
-AC_TYPE_INT16_T
-AC_TYPE_INT32_T
-AC_TYPE_INT64_T
-AC_TYPE_INT8_T
-AC_TYPE_OFF_T
-AC_TYPE_SSIZE_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT64_T
-AC_TYPE_UINT8_T
+# Check for glib >= 2.28 with gmodule support
+AM_PATH_GLIB_2_0([2.28.0], [],
+ AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
+ [gmodule-no-export]
+)
# Checks for library functions.
AC_FUNC_ALLOCA
AC_FUNC_MKTIME
AC_FUNC_MMAP
AC_FUNC_STRERROR_R
+AC_FUNC_STRNLEN
AC_CHECK_FUNCS([ \
- atexit \
- dup2 \
- ftruncate \
- gethostbyname \
- gethostname \
- gettimeofday \
- localtime_r \
- memchr \
- memset \
- mkdir \
- mkdtemp \
- munmap \
- rmdir \
- setenv \
- socket \
- strchr \
- strdup \
- strerror \
- strndup \
- strnlen \
- strrchr \
- strtoul \
- strtoull \
- tzset \
- uname \
+ atexit \
+ dup2 \
+ ftruncate \
+ gethostbyname \
+ gettimeofday \
+ localtime_r \
+ memchr \
+ memset \
+ mkdir \
+ mkdtemp \
+ munmap \
+ rmdir \
+ setenv \
+ socket \
+ strchr \
+ strdup \
+ strerror \
+ strndup \
+ strnlen \
+ strrchr \
+ strstr \
+ strtoul \
+ strtoull \
+ tzset \
])
# AC_FUNC_MALLOC causes problems when cross-compiling.
#AC_FUNC_MALLOC
#AC_FUNC_REALLOC
-MINGW32=no
-DEFAULT_ENABLE_DEBUG_INFO=yes
-LT_NO_UNDEFINED=""
-AS_CASE([$host_os],
- [solaris*|darwin*],
- [
- DEFAULT_ENABLE_DEBUG_INFO=no
- ],
- [cygwin*],
- [
- DEFAULT_ENABLE_DEBUG_INFO=no
- LT_NO_UNDEFINED="-no-undefined"
- ],
- [mingw*],
- [
- MINGW32=yes
- DEFAULT_ENABLE_DEBUG_INFO=no
- LT_NO_UNDEFINED="-no-undefined"
- ]
-)
-
-AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
-AC_SUBST(LT_NO_UNDEFINED)
-
-# First, check for uuid in system libs
-AH_TEMPLATE([BABELTRACE_HAVE_LIBUUID], [Define if you have libuuid support])
-AC_CHECK_FUNCS([uuid_generate],
- [
- AC_DEFINE([BABELTRACE_HAVE_LIBUUID], [1])
- UUID_LIBS=""
- ],
- [
- # Then, check if the pkg-config module is available, otherwise explicitly check
- # for libuuid, or uuid support in the C-library.
- PKG_CHECK_MODULES([UUID], [uuid],
- [
- AC_DEFINE([BABELTRACE_HAVE_LIBUUID], [1])
- dnl PKG_CHECK_MODULES defines UUID_LIBS
- ],
- [
- AC_MSG_WARN([pkg-config was unable to find a valid .pc for libuuid. Set PKG_CONFIG_PATH to specify the pkgconfig configuration file location])
- AC_MSG_WARN([Finding libuuid without pkg-config.])
- AC_CHECK_LIB([uuid], [uuid_generate],
- [
- AC_DEFINE([BABELTRACE_HAVE_LIBUUID], [1])
- UUID_LIBS="-luuid"
- ],
- [
- # libuuid not found, check for uuid_create in libc.
- AC_CHECK_LIB([c], [uuid_create],
- [
- AC_DEFINE([BABELTRACE_HAVE_LIBUUID], [1])
- UUID_LIBS="-lc"
- ],
- [
- # for MinGW32 we have our own internal implementation of uuid using Windows functions.
- if test "x$MINGW32" = xno; then
- 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])
- fi
- ]
- )
- ]
- )
- ]
- )
- ]
-)
-AC_SUBST(UUID_LIBS)
-
# Check for fmemopen
AC_CHECK_LIB([c], [fmemopen],
-[
- AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])
-]
+ [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
)
# Check for open_memstream
AC_CHECK_LIB([c], [open_memstream],
-[
- AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])
-]
+ [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
)
# Check for posix_fallocate
AC_CHECK_LIB([c], [posix_fallocate],
-[
- AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])
-]
+ [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
)
-# Check libpopt
-PKG_CHECK_MODULES([POPT], [popt],
- [
- 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])
- ]
- )
- ]
+
+## ##
+## User variables ##
+## ##
+
+AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
+AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
+AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
+
+# BABELTRACE_PLUGINS_DIR: Plugins directory
+AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
+AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
+
+# BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
+AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
+AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
+
+# BABELTRACE_MINIMAL_LOG_LEVEL:
+AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
+AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = x], [BABELTRACE_MINIMAL_LOG_LEVEL="DEBUG"])
+AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "TRACE" && \
+ test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && \
+ test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO"],
+ [AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use TRACE, DEBUG, or INFO.])]
)
-AC_SUBST(POPT_LIBS)
-
-# Plugins
-AC_ARG_VAR([PLUGINSDIR], [built-in plugins install directory [LIBDIR/babeltrace/plugins]])
-AS_IF([test "x$PLUGINSDIR" = x], [PLUGINSDIR='$(libdir)/babeltrace/plugins'])
-
-# For Python
-# SWIG version needed or newer:
-swig_version=2.0.0
-
-AC_ARG_ENABLE([python-bindings],
- [AC_HELP_STRING([--enable-python-bindings],
- [generate Python bindings])],
- [enable_python_bindings=$enableval], [enable_python_bindings=no])
-
-AM_CONDITIONAL([USE_PYTHON], [test "x${enable_python_bindings:-yes}" = xyes])
-
-AC_ARG_ENABLE(
- [python-plugins],
- [AC_HELP_STRING(
- [--enable-python-plugins],
- [add support for the Babeltrace library and converter to load Python plugins])
- ],
- [enable_python_plugins=$enableval],
- [enable_python_plugins=no]
+AC_DEFINE_UNQUOTED([BT_LOG_MINIMAL_LEVEL], [__BT_LOGGING_LEVEL_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
+
+# BABELTRACE_DEV_MODE:
+AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
+AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
+ AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
+], [BABELTRACE_DEV_MODE=0])
+AM_CONDITIONAL([DEV_MODE], [test "x$BABELTRACE_DEV_MODE" = x1])
+
+# BABELTRACE_DEBUG_MODE:
+AC_ARG_VAR([BABELTRACE_DEBUG_MODE], [Set to 1 to enable the Babeltrace debug mode (enables internal assertions for Babeltrace maintainers)])
+AS_IF([test "x$BABELTRACE_DEBUG_MODE" = x1], [
+ AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
+], [BABELTRACE_DEBUG_MODE=0])
+
+
+## ##
+## Optional features selection ##
+## ##
+
+# Python bindings
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([python-bindings],[build the Python bindings])
+
+# Python bindings documentation
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([python-bindings-doc],[build the Python bindings documentation])
+
+# Python plugins
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([python-plugins],[enable the Python plugins support for the library and converter])
+
+# Debug info
+# Enabled by default, except on some platforms
+AE_FEATURE_DEFAULT_ENABLE
+AE_FEATURE([debug-info],[disable the debug info support (default on macOS, Solaris and Windows)])
+
+# API documentation
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([api-doc],[build the HTML API documentation])
+
+# Built-in plugins
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([built-in-plugins],[Statically-link in-tree plug-ins into the babeltrace2 executable])
+
+# Built-in python plugin support
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([built-in-python-plugin-support],[Statically-link Python plugin support into the babeltrace library])
+
+# Man pages
+# Enabled by default
+AE_FEATURE_DEFAULT_ENABLE
+AE_FEATURE([man-pages],[Do not build and install man pages (already built in a distributed tarball])
+
+# When given, add -Werror to WARN_CFLAGS and WARN_CXXFLAGS.
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([Werror],[Treat compiler warnings as errors.])
+
+# When given, build with AddressSanitizer.
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([asan],[Build with AddressSanitizer.])
+AE_FEATURE([ubsan],[Build with UndefinedBehaviorSanitizer.])
+
+## ##
+## Check for conflicting features selection ##
+## ##
+
+# Check for conflicting Python related features user choices.
+AE_IF_FEATURE_ENABLED([python-plugins], [
+ AE_IF_FEATURE_UNDEF([python-bindings], [
+ # --enable-python-plugins was provided but --enable-python-bindings was
+ # omitted. Turn the Python bindings ON anyway because it's needed to
+ # use the Python plugins.
+ AE_FEATURE_ENABLE([python-bindings])
+ ], [
+ AE_IF_FEATURE_DISABLED([python-bindings], [
+ # --enable-python-plugins _and_ --disable-python-bindings were
+ # used. This is invalid because Python plugins need the Python
+ # bindings to be useful.
+ AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
+ ])
+ ])
+])
+
+# Check for conflicting optional features user choices
+AE_IF_FEATURE_ENABLED([built-in-plugins], [
+ # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
+ AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
+ AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
+])
+
+AE_IF_FEATURE_ENABLED([built-in-python-plugin-support], [
+ AE_IF_FEATURE_NOT_ENABLED([python-plugins], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
+ # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
+ AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
+ AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
+])
+
+
+## ##
+## Set automake variables for optional feature conditionnals in Makefile.am ##
+## ##
+
+AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], AE_IS_FEATURE_ENABLED([python-bindings]))
+AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], AE_IS_FEATURE_ENABLED([python-bindings-doc]))
+AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], AE_IS_FEATURE_ENABLED([python-plugins]))
+AM_CONDITIONAL([ENABLE_DEBUG_INFO], AE_IS_FEATURE_ENABLED([debug-info]))
+AM_CONDITIONAL([ENABLE_API_DOC], AE_IS_FEATURE_ENABLED([api-doc]))
+AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], AE_IS_FEATURE_ENABLED([built-in-plugins]))
+AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], AE_IS_FEATURE_ENABLED([built-in-python-plugin-support]))
+AM_CONDITIONAL([ENABLE_MAN_PAGES], AE_IS_FEATURE_ENABLED([man-pages]))
+AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins]))
+AM_CONDITIONAL([ENABLE_ASAN], AE_IS_FEATURE_ENABLED([asan]))
+
+
+## ##
+## Set defines for optional features conditionnals in the source code ##
+## ##
+
+AE_IF_FEATURE_ENABLED([built-in-plugins],
+ [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
)
-if test "x${enable_python_bindings:-yes}" = xyes; then
- AX_PKG_SWIG($swig_version, [], [ AC_MSG_ERROR([SWIG $swig_version or newer is needed]) ])
-else
- AC_MSG_NOTICE([You may configure with --enable-python-bindings ]dnl
-[if you want Python bindings.])
-fi
+AE_IF_FEATURE_ENABLED([built-in-python-plugin-support],
+ [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
+)
-if test "x$enable_python_bindings" != xno || test "x$enable_python_plugins" != xno; then
- AM_PATH_PYTHON([3.0], , [AC_MSG_ERROR(Python 3 is not available or is not the default Python interpreter on your system. See the README file to learn how to override your distribution's default Python interpreter.)])
+AE_IF_FEATURE_ENABLED([python-plugins], [ENABLE_PYTHON_PLUGINS=1], [ENABLE_PYTHON_PLUGINS=0])
+AC_SUBST([ENABLE_PYTHON_PLUGINS])
- AM_PATH_PYTHON_MODULES([PYTHON])
- # pythondir is the path where extra modules are to be installed
- pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
- # pyexecdir is the path that contains shared objects used by the extra modules
- pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
- AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
- AC_ARG_VAR([PYTHON_LIBS], [Library flags for Python, bypassing python-config])
- AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
- AS_IF([test -z "$PYTHON_INCLUDE"], [
- AS_IF([test -z "$PYTHON_CONFIG"], [
- AC_PATH_PROGS([PYTHON_CONFIG],
- [python$PYTHON_VERSION-config python-config],
- [no],
- [`dirname $PYTHON`])
- AS_IF([test "$PYTHON_CONFIG" = no], [AC_MSG_ERROR([cannot find python-config for $PYTHON. Do you have python-dev installed?])])
- ])
- AC_MSG_CHECKING([Python include flags])
- PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
- AC_MSG_RESULT([$PYTHON_INCLUDE])
+AE_IF_FEATURE_ENABLED([debug-info], [ENABLE_DEBUG_INFO_VAL=1], [ENABLE_DEBUG_INFO_VAL=0])
+AC_SUBST([ENABLE_DEBUG_INFO_VAL])
+
+AE_IF_FEATURE_ENABLED([asan], [ENABLE_ASAN=1], [ENABLE_ASAN=0])
+AC_SUBST([ENABLE_ASAN])
+
+## ##
+## Check for optional features dependencies ##
+## ##
+
+# The Python bindings require SWIG
+AE_IF_FEATURE_ENABLED([python-bindings],
+ [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
+)
+
+AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
+AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
+
+AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
+AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
+
+AS_IF([test "x$have_python" = xyes], [
+ AX_COMPARE_VERSION(["$PYTHON_VERSION"], [ge], ["3.12"], [
+ have_python_312_or_greater=yes
])
- AS_IF([test -z "$PYTHON_LIBS"], [
- AS_IF([test -z "$PYTHON_CONFIG"], [
- AC_PATH_PROGS([PYTHON_CONFIG],
- [python$PYTHON_VERSION-config python-config],
- [no],
- [`dirname $PYTHON`])
- AS_IF([test "$PYTHON_CONFIG" = no], [AC_MSG_ERROR([cannot find python-config for $PYTHON. Do you have python-dev installed?])])
+])
+
+AM_CONDITIONAL([HAVE_PYTHON_312_OR_GREATER], [test "x$have_python_312_or_greater" = xyes])
+
+AS_IF([AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins])], [
+ AS_IF([test "x$have_python_dev" = xno], [
+ AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
+ ])
+
+ AX_COMPARE_VERSION(["$PYTHON_VERSION"], [ge], ["3.12"], [
+ AC_MSG_CHECKING([for python setuptools])
+ AS_IF(["$PYTHON" -c "import setuptools" 2>/dev/null], [
+ AC_MSG_RESULT([yes])
+ ], [
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Python >= 3.12 removed 'distutils', the 'setuptools' module needs to be installed for the selected interpreter.])
])
- AC_MSG_CHECKING([Python library flags])
- PYTHON_LIBS=`$PYTHON_CONFIG --libs`
- AC_MSG_RESULT([$PYTHON_LIBS])
])
-fi
+])
-AS_IF([test "x$BUILT_IN_PLUGINS" = ""])
+AE_IF_FEATURE_ENABLED([python-bindings-doc],
+ [
+ AE_CHECK_PYTHON_SPHINX([PYTHON])
+ AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno], [
+ AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])
+ ])
-AM_CONDITIONAL([WITH_PYTHON_PLUGINS], [test "x$enable_python_plugins" != xno])
-AS_IF(
- [test "x$enable_python_plugins" != xno],
- AC_DEFINE_UNQUOTED([WITH_PYTHON_PLUGINS], [1], [Python plugin support.])
+ AE_IF_FEATURE_NOT_ENABLED([python-bindings], [
+ AC_MSG_ERROR([The Python bindings are required to build their documentation])
+ ])
+ ]
)
-AC_ARG_ENABLE([python-bindings-doc],
- [AC_HELP_STRING([--enable-python-bindings-doc],
- [generate Python bindings documentation])],
- [enable_python_bindings_doc=$enableval], [enable_python_bindings_doc=no])
+AE_IF_FEATURE_ENABLED([debug-info], [
+ # Check if libelf and libdw are present
+ PKG_CHECK_MODULES([ELFUTILS], [libelf >= 0.154 libdw >= 0.154],
+ [
+ dnl PKG_CHECK_MODULES defines ELFUTILS_LIBS
+ ],
+ [
+ AC_MSG_WARN([pkg-config was unable to find a valid .pc for libelf/libdw. Set PKG_CONFIG_PATH to specify the pkg-config configuration file location.])
+
+ # Turns out SLES12 doesn't bother shipping .pc file for libelf
+ AC_MSG_WARN([Finding libelf without pkg-config.])
+ AC_CHECK_LIB([elf], [elf_version], [:], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
+ AC_CHECK_LIB([dw], [dwarf_begin], [:], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
+ AE_LIB_ELFUTILS([0], [154], [], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
+ ELFUTILS_LIBS="-lelf -ldw"
+ ])
+])
+AC_SUBST([ELFUTILS_LIBS])
-AM_CONDITIONAL([BUILD_PYTHON_BINDINGS_DOC], [test "x${enable_python_bindings_doc:-yes}" = xyes])
+AE_IF_FEATURE_ENABLED([api-doc],
+ [
+ DX_DOXYGEN_FEATURE(ON)
+ DX_DOT_FEATURE(OFF)
+ DX_HTML_FEATURE(ON)
+ DX_CHM_FEATURE(OFF)
+ DX_CHI_FEATURE(OFF)
+ DX_MAN_FEATURE(OFF)
+ DX_RTF_FEATURE(OFF)
+ DX_XML_FEATURE(OFF)
+ DX_PDF_FEATURE(OFF)
+ DX_PS_FEATURE(OFF)
+ DX_INIT_DOXYGEN([babeltrace2], [$(builddir)/Doxyfile], [output])
+ AS_IF([test -z "$DX_DOXYGEN"],
+ [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
+ )
+ ]
+)
+
+have_asciidoc_xmlto=no
+warn_prebuilt_man_pages=no
+
+AE_IF_FEATURE_ENABLED([man-pages], [
+ AS_IF([test "x$ASCIIDOC" = "x" || test "x$XMLTO" = "x"], [
+ AE_IF_IN_GIT_REPO([
+ # this is an error because we're in the Git repo, which
+ # means the man pages are not already generated for us,
+ # thus asciixmlto are required because we were asked
+ # to build the man pages
+ AC_MSG_ERROR([
+You need asciidoc and xmlto to build the Babeltrace man pages. Use
+--disable-man-pages to disable building the man pages, in which case
+they will not be installed.
+ ])
+ ], [
+ # only warn here: since we're in the tarball, the man
+ # pages should already be generated at this point, thus
+ # asciidoc/xmlto are not strictly required
+ warn_prebuilt_man_pages=yes
+ ])
+ ], [
+ have_asciidoc_xmlto=yes
+ ])
+])
-AC_ARG_ENABLE([python-bindings-tests],
- [AC_HELP_STRING([--enable-python-bindings-tests],
- [test Python bindings])],
- [enable_python_bindings_tests=$enableval], [enable_python_bindings_tests=no])
+# export AsciiDoc and xmlto existence
+AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
-AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_TESTS], [test "x${enable_python_bindings_tests:-yes}" = xyes])
+# a wonderful hack that seems necessary because $libdir is
+# literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
+# by autoconf when it's not specified by the user
+AS_IF([test "x$exec_prefix" = xNONE], [
+ AS_IF([test "x$prefix" = xNONE], [
+ PREFIX="$ac_default_prefix"
+ ], [
+ PREFIX="$prefix"
+ ])
-if test "x${enable_python_bindings:-no}" = xno; then
- if test "x${enable_python_bindings_doc:-yes}" = xyes; then
- AC_MSG_ERROR([--enable-python-bindings-doc was specified without --enable-python-bindings])
- fi
+ LIBDIR="$PREFIX/lib"
+], [
+ LIBDIR="$libdir"
+])
- if test "x${enable_python_bindings_tests:-yes}" = xyes; then
- AC_MSG_ERROR([--enable-python-bindings-tests was specified without --enable-python-bindings])
- fi
-fi
+AC_SUBST(LIBDIR)
-if test "x${enable_python_bindings_doc:-yes}" = xyes; then
- AM_CHECK_PYTHON_SPHINX([PYTHON])
- AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno],
- AC_MSG_ERROR([The Sphinx package for Python 3 is required to build Python bindings documentation])
- )
-fi
+# If --enable-asan is used...
+AE_IF_FEATURE_ENABLED([asan], [
+ # ... add -fsanitize=address to the *FLAGS variables.
+ ASAN_CFLAGS="-fsanitize=address"
+ ASAN_CXXFLAGS="-fsanitize=address"
+ ASAN_LDFLAGS="-fsanitize=address"
+])
-if test "x${enable_python_bindings_tests:-yes}" = xyes; then
- AM_CHECK_PYTHON_TAPPY([PYTHON])
- AS_IF([test "x$PYTHON_TAPPY_EXISTS" = xno],
- AC_MSG_ERROR([You need the tappy Python project to test the Python bindings (see <https://github.com/python-tap/tappy>)])
- )
-fi
-
-# Set default enable state for debug info.
-# The _enable_debug_info variable is prepended with an underscore to
-# avoid clashing with the one generated by AC_ARG_ENABLE.
-AS_IF([test "x$DEFAULT_ENABLE_DEBUG_INFO" = xyes], [_enable_debug_info=yes], [_enable_debug_info=no])
-
-# Optional debug info feature
-# Do _not_ indent the help string below (appears in the configure --help
-# output).
-AC_ARG_ENABLE([debug-info],
-[AC_HELP_STRING([--enable-debug-info], [enable the debug info feature (default on Linux)])]
-[AC_HELP_STRING([--disable-debug-info], [disable the debug info feature (default on OS X and Solaris)])],
- [AS_IF([test "x$enableval" = xyes], [_enable_debug_info=yes], [_enable_debug_info=no])], [])
-
-AM_CONDITIONAL([ENABLE_DEBUG_INFO], [test "x$_enable_debug_info" = xyes])
-
-AS_IF([test "x$_enable_debug_info" = xyes], [
- # Check if libelf and libdw are present
- AC_CHECK_LIB([elf], [elf_version], [], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
- AC_CHECK_LIB([dw], [dwarf_begin], [], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
- BT_LIB_ELFUTILS([0], [154], [:], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
- AC_DEFINE([ENABLE_DEBUG_INFO], [1], [Define to 1 if you enable the 'debug info' feature])
-], [])
-
-AC_ARG_VAR([BUILT_IN_PLUGINS], [Statically-link in-tree plug-ins into the babeltrace binary])
-AS_IF([test "x$BUILT_IN_PLUGINS" != x], [
-# Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
- AS_IF([test "x$enable_static" != "xyes"], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace executable)])
- AS_IF([test "x$enable_shared" = "xyes"], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace executable)])
- built_in_plugins=yes
- AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])
+# If --enable-ubsan is used...
+AE_IF_FEATURE_ENABLED([ubsan], [
+ # ... add -fsanitize=undefined to the *FLAGS variables.
+ UBSAN_CFLAGS="-fsanitize=undefined"
+ UBSAN_CXXFLAGS="-fsanitize=undefined"
+ UBSAN_LDFLAGS="-fsanitize=undefined"
])
-AM_CONDITIONAL([BUILT_IN_PLUGINS], [test "x$built_in_plugins" = "xyes"])
-
-AC_ARG_VAR([BUILT_IN_PYTHON_PLUGIN_SUPPORT], [Statically-link Python plugin support into the babeltrace library])
-AS_IF([test "x$BUILT_IN_PYTHON_PLUGIN_SUPPORT" != x], [
-# Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
- AS_IF([test "x$enable_static" != "xyes"], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace executable)])
- AS_IF([test "x$enable_shared" = "xyes"], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace executable)])
- AS_IF([test "x$enable_python_plugins" = "xno"], [
- AC_MSG_ERROR([You can't use BUILT_IN_PYTHON_PLUGIN_SUPPORT=1 without --enable-python-plugins.])
+
+# CFLAGS from libraries (the glib ones are needed for the following sizeof
+# test).
+AM_CFLAGS="-fvisibility=hidden ${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS} ${UBSAN_CFLAGS}"
+AM_CXXFLAGS="-fvisibility=hidden -fvisibility-inlines-hidden ${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CXXFLAGS} ${UBSAN_CFLAGS}"
+AM_LDFLAGS="${ASAN_LDFLAGS} ${UBSAN_CFLAGS}"
+
+# Check that the current size_t matches the size that glib thinks it should
+# be. This catches problems on multi-arch where people try to do a 32-bit
+# build while pointing at 64-bit glib headers. This is a common error because
+# glib.h is not platform specific but it includes glibconfig.h which is and
+# is usually installed in a non-standard path.
+
+# Do this before enabling all the warning flags, as the
+# AC_LANG_PROGRAM-generated program may generate some warning, which makes this
+# test fail unnecessarily.
+
+# Older versions of the pkg-config macros disallows PKG_* in the autoconf
+# output. Specifically allow pkg_config_libdir to be able to print the
+# error message.
+m4_pattern_allow([PKG_CONFIG_LIBDIR])
+
+save_CFLAGS=${CFLAGS}
+CFLAGS="${CFLAGS} ${AM_CFLAGS}"
+AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([dnl
+#include <glib.h>
+#include <unistd.h>
+ ], [dnl
+G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
+ ])
+],[:],[
+ AC_MSG_ERROR([dnl
+sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
+PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
+target.
])
- built_in_python_plugin_support=yes
- AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])
])
-AM_CONDITIONAL([BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$built_in_python_plugin_support" = "xyes"])
+CFLAGS=${save_CFLAGS}
-PKG_CHECK_MODULES(GMODULE, [gmodule-no-export-2.0 >= 2.0.0])
+# Detect C and LD warning flags supported by the compiler.
-# Logging
-AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (VERBOSE, DEBUG, INFO, WARN, ERROR (default), FATAL, or NONE)])
-AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = "x"], [BABELTRACE_MINIMAL_LOG_LEVEL=VERBOSE])
-AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "VERBOSE" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "WARN" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "ERROR" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "FATAL" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "NONE"], [
- AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use VERBOSE, DEBUG, INFO, WARN, ERROR, FATAL, or NONE.])
+# Detect warning flags supported by the C and C++ compilers and append them to
+# WARN_CFLAGS and WARN_CXXFLAGS.
+#
+m4_define([WARN_FLAGS_LIST], [ dnl
+ -Wall dnl
+ -Wextra dnl
+ -Wmissing-prototypes dnl
+ -Wmissing-declarations dnl
+ -Wnull-dereference dnl
+ -Wundef dnl
+ -Wredundant-decls dnl
+ -Wshadow dnl
+ dnl GCC's -Wshadow warns about constructor parameters shadowing fields, but
+ dnl Clang's does not. Enable Clang's `-Wshadow-field-in-constructor`, to make
+ dnl Clang warn about that.
+ -Wshadow-field-in-constructor dnl
+ -Wshadow-field dnl
+ -Wjump-misses-init dnl
+ -Wsuggest-attribute=format dnl
+ -Wtautological-constant-out-of-range-compare dnl
+ -Wnested-externs dnl
+ -Wwrite-strings dnl
+ -Wformat=2 dnl
+ -Wstrict-aliasing dnl
+ -Wmissing-noreturn dnl
+ -Winit-self dnl
+ -Wduplicated-cond dnl
+ -Wduplicated-branches dnl
+ -Wlogical-op dnl
+ -Wsuggest-override dnl
+ -Wno-sign-compare dnl
+ dnl
+ dnl Some versions of SWIG (like 3.0.12) generate code that produces
+ dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
+ dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
+ dnl 4.0.1) have the correct function signatures to not produce this warning.
+ dnl It's simpler to just disable the warning globally.
+ dnl
+ dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
+ dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
+ dnl reproduce the warning using that package.
+ dnl
+ dnl Ref: https://github.com/swig/swig/issues/1259
+ -Wno-cast-function-type dnl
+ -Wno-maybe-uninitialized dnl
])
-AC_DEFINE_UNQUOTED([BT_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
-
-AM_CFLAGS="-Wall -Wformat $PTHREAD_CFLAGS $GLIB_CFLAGS"
-AC_SUBST(AM_CFLAGS)
-AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -include config.h"
-AC_SUBST(AM_CPPFLAGS)
+# Pass -Werror as an extra flag during the test: this is needed to make the
+# -Wunknown-warning-option diagnostic fatal with clang.
+AC_LANG([C++])
+AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CXXFLAGS], [-Werror])
+AC_LANG([C])
+AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CFLAGS], [-Werror])
-LIBS="$GLIB_LIBS"
+AE_IF_FEATURE_ENABLED([Werror], [WARN_CXXFLAGS="${WARN_CXXFLAGS} -Werror"])
+AE_IF_FEATURE_ENABLED([Werror], [WARN_CFLAGS="${WARN_CFLAGS} -Werror"])
-babeltraceincludedir="${includedir}/babeltrace"
-AC_SUBST(babeltraceincludedir)
+# The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
+# written in such a way that it triggers warnings with the following warning
+# flags. So they would always end up disabled if we put them there, because
+# the test program would not build.
+#
+# Enable them here unconditionally. They are supported by GCC >= 4.8 and by
+# Clang >= 3.3 (required by the project) and are only valid for C code.
+WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition -Wstrict-prototypes"
-babeltracectfwriterincludedir="${includedir}/babeltrace/ctf-writer"
-AC_SUBST(babeltracectfwriterincludedir)
+# CFLAGS from AX_APPEND_COMPILE_FLAGS.
+AM_CXXFLAGS="${AM_CXXFLAGS} ${WARN_CXXFLAGS}"
+AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
-babeltracectfincludedir="${includedir}/babeltrace/ctf"
-AC_SUBST(babeltracectfincludedir)
+# Done for AM_CXXFLAGS, AM_CFLAGS and AM_LDFLAGS.
+AC_SUBST(AM_CXXFLAGS)
+AC_SUBST(AM_CFLAGS)
+AC_SUBST(AM_LDFLAGS)
-babeltracectfirincludedir="${includedir}/babeltrace/ctf-ir"
-AC_SUBST(babeltracectfirincludedir)
+# Set global CPPFLAGS in AM_CPPFLAGS
+AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
+AC_SUBST(AM_CPPFLAGS)
-babeltracepluginincludedir="${includedir}/babeltrace/plugin"
-AC_SUBST(babeltracepluginincludedir)
+# Add glib to global link libs
+LIBS="$LIBS $GLIB_LIBS"
-babeltracegraphincludedir="${includedir}/babeltrace/graph"
-AC_SUBST(babeltracegraphincludedir)
+# Disable exceptions for the {fmt} library. This means, for example, that a
+# format error will result in an assertion failure (instead of throwing an
+# `fmt::format_error` exception).
+AC_DEFINE_UNQUOTED([FMT_EXCEPTIONS], 0, [Disable {fmt} exceptions.])
-program_transform_name="s&babeltrace\.bin&babeltrace&;s&babeltrace-log\.bin&babeltrace-log&;$program_transform_name"
+# Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
+# to rename babeltrace2.bin to babeltrace2 at install time.
+program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
AC_SUBST(program_transform_name)
-# check for Doxygen
-AC_ARG_ENABLE(
- [api-doc],
- [AC_HELP_STRING(
- [--enable-api-doc],
- [generate and install HTML API documentation]
- )],
- [enable_api_doc=$enableval],
- [enable_api_doc=no]
-)
-AM_CONDITIONAL([ENABLE_API_DOC], [test "x$enable_api_doc" = "xyes"])
-
-AS_IF([test "x$enable_api_doc" = "xyes"], [
- DX_DOXYGEN_FEATURE(ON)
- DX_DOT_FEATURE(OFF)
- DX_HTML_FEATURE(ON)
- DX_CHM_FEATURE(OFF)
- DX_CHI_FEATURE(OFF)
- DX_MAN_FEATURE(OFF)
- DX_RTF_FEATURE(OFF)
- DX_XML_FEATURE(OFF)
- DX_PDF_FEATURE(OFF)
- DX_PS_FEATURE(OFF)
- DX_INIT_DOXYGEN([Babeltrace], [$(srcdir)/Doxyfile], [output])
-])
-
- #TODO: removed, work in progress
- #bindings/python/Makefile
- #bindings/python/babeltrace/Makefile
- #bindings/python/bt2/Makefile
- #bindings/python/bt2/__init__.py
AC_CONFIG_FILES([
- Makefile
- common/Makefile
- compat/Makefile
- cli/Makefile
- doc/Makefile
- doc/api/Makefile
- doc/api/Doxyfile
- doc/bindings/Makefile
- doc/bindings/python/Makefile
- doc/images/Makefile
- lib/Makefile
- lib/prio_heap/Makefile
- lib/plugin/Makefile
- lib/graph/Makefile
- lib/graph/notification/Makefile
- lib/ctf-ir/Makefile
- lib/ctf-writer/Makefile
- include/Makefile
- logging/Makefile
- bindings/Makefile
- tests/Makefile
- tests/cli/Makefile
- tests/cli/intersection/Makefile
- tests/lib/Makefile
- tests/lib/writer/Makefile
- tests/lib/test-plugin-plugins/Makefile
- tests/utils/Makefile
- tests/utils/tap/Makefile
- tests/bindings/Makefile
- tests/bindings/python/Makefile
- tests/bindings/python/bt2/Makefile
- tests/plugins/Makefile
- extras/Makefile
- extras/valgrind/Makefile
- plugins/Makefile
- plugins/ctf/Makefile
- plugins/ctf/common/Makefile
- plugins/ctf/common/btr/Makefile
- plugins/ctf/common/metadata/Makefile
- plugins/ctf/common/notif-iter/Makefile
- plugins/ctf/fs-src/Makefile
- plugins/ctf/fs-sink/Makefile
- plugins/ctf/lttng-live/Makefile
- plugins/text/Makefile
- plugins/text/dmesg/Makefile
- plugins/text/pretty/Makefile
- plugins/utils/Makefile
- plugins/utils/dummy/Makefile
- plugins/utils/counter/Makefile
- plugins/utils/trimmer/Makefile
- plugins/utils/muxer/Makefile
- python-plugin-provider/Makefile
- plugins/libctfcopytrace/Makefile
- plugins/lttng-utils/Makefile
- babeltrace.pc
- babeltrace-ctf.pc
-])
-
-#AC_CONFIG_FILES([converter/babeltrace], [chmod +x converter/babeltrace])
-AC_CONFIG_FILES([tests/lib/test_ctf_writer_complete], [chmod +x tests/lib/test_ctf_writer_complete])
-AC_CONFIG_FILES([tests/lib/test_plugin_complete], [chmod +x tests/lib/test_plugin_complete])
-AC_CONFIG_FILES([tests/lib/test_dwarf_complete], [chmod +x tests/lib/test_dwarf_complete])
-AC_CONFIG_FILES([tests/lib/test_bin_info_complete], [chmod +x tests/lib/test_bin_info_complete])
-
-AC_CONFIG_FILES([tests/plugins/test-utils-muxer-complete], [chmod +x tests/plugins/test-utils-muxer-complete])
-
-AC_CONFIG_FILES([tests/cli/test_trace_read], [chmod +x tests/cli/test_trace_read])
-AC_CONFIG_FILES([tests/cli/test_trace_copy], [chmod +x tests/cli/test_trace_copy])
-AC_CONFIG_FILES([tests/cli/test_debug_info], [chmod +x tests/cli/test_debug_info])
-AC_CONFIG_FILES([tests/cli/test_trimmer], [chmod +x tests/cli/test_trimmer])
-AC_CONFIG_FILES([tests/cli/intersection/test_intersection], [chmod +x tests/cli/intersection/test_intersection])
-AC_CONFIG_FILES([tests/cli/test_convert_args], [chmod +x tests/cli/test_convert_args])
-AC_CONFIG_FILES([tests/cli/intersection/bt_python_helper.py])
-AC_CONFIG_FILES([tests/lib/writer/bt_python_helper.py])
-AC_CONFIG_FILES([tests/lib/writer/test_ctf_writer_empty_packet.py])
-AC_CONFIG_FILES([tests/lib/writer/test_ctf_writer_no_packet_context.py])
-AC_CONFIG_FILES([tests/cli/test_packet_seq_num], [chmod +x tests/cli/test_packet_seq_num])
-
-AS_IF([test "x$enable_python" = "xyes"], [
- AC_CONFIG_FILES(
- [tests/bindings/python/bt2/testall.sh],
- [chmod +x tests/bindings/python/bt2/testall.sh]
- )
+ doc/api/libbabeltrace2/Doxyfile
+ doc/api/libbabeltrace2/Makefile
+ doc/bindings/python/Makefile
+ doc/Makefile
+ doc/man/asciidoc-attrs.conf
+ doc/man/Makefile
+ include/Makefile
+ Makefile
+ src/babeltrace2-ctf-writer.pc
+ src/babeltrace2.pc
+ src/bindings/python/bt2/bt2/version.py
+ src/bindings/python/bt2/Makefile
+ src/bindings/python/bt2/setup.py
+ src/cli/Makefile
+ src/Makefile
+ tests/bitfield/Makefile
+ tests/ctf-writer/Makefile
+ tests/lib/Makefile
+ tests/Makefile
+ tests/param-validation/Makefile
+ tests/plugins/Makefile
+ tests/plugins/src.ctf.fs/Makefile
+ tests/plugins/src.ctf.fs/succeed/Makefile
+ tests/plugins/sink.ctf.fs/Makefile
+ tests/plugins/sink.ctf.fs/succeed/Makefile
+ tests/plugins/flt.lttng-utils.debug-info/Makefile
+ tests/plugins/flt.utils.muxer/Makefile
+ tests/plugins/flt.utils.muxer/succeed/Makefile
+ tests/plugins/flt.utils.trimmer/Makefile
+ tests/plugins/sink.text.pretty/Makefile
+ tests/utils/env.sh
+ tests/utils/Makefile
+ tests/utils/tap/Makefile
])
AC_OUTPUT
PPRINT_SET_TS(38)
AS_ECHO
-AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION$PPRINT_COLOR_RST")
+
+AS_IF([test -n "bt_version_name"], [
+ AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
+], [
+ AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
+])
+
AS_ECHO
+AS_IF([test -n "bt_version_description"], [
+ AS_IF([test -n "$FOLD"], [
+ AS_ECHO("`AS_ECHO("bt_version_description") | $FOLD -s`")
+ ], [
+ AS_ECHO("bt_version_description")
+ ])
+
+ AS_ECHO
+])
+
PPRINT_SUBTITLE([System])
# Target architecture we're building for.
target_arch=$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
+ if test $f = "-m32"; then
+ target_arch="32-bit"
+ elif test $f = "-m64"; then
+ target_arch="64-bit"
+ fi
done
]
AS_ECHO
PPRINT_SUBTITLE([Python 3 language support])
+test "x$have_python" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Have Python interpreter], $value)
+test "x$have_python_dev" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Have Python development libraries], $value)
test "x$enable_python_bindings" = "xyes" && value=1 || value=0
-PPRINT_PROP_BOOL([Python bindings], $value)
+PPRINT_PROP_BOOL_CUSTOM([Python bindings], $value, [To enable, use --enable-python-bindings])
test "x$enable_python_plugins" = "xyes" && value=1 || value=0
-PPRINT_PROP_BOOL([Python plugin support], $value)
-AS_IF([test "x$enable_python_bindings" = "xyes" || test "x$enable_python_plugins" = "xyes"], [
+PPRINT_PROP_BOOL_CUSTOM([Python plugin support], $value, [To enable, use --enable-python-plugins])
+AS_IF([test "x$have_python" = "xyes"], [
+ PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
+])
+AS_IF([test "x$have_python_dev" = "xyes"], [
+ PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
- PPRINT_PROP_STRING([Python libraries], [$PYTHON_LIBS])
+ PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
+])
+AE_IF_FEATURE_ENABLED([python-bindings], [
+ PPRINT_PROP_STRING([SWIG executable], [$SWIG])
+ PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
])
AS_ECHO
PPRINT_SUBTITLE([Plugins])
PPRINT_PROP_BOOL(['ctf' plugin], 1)
-test "x$_enable_debug_info" = "xyes" && value=1 || value=0
-PPRINT_PROP_BOOL(['lttng-utils' plugin], $value)
+test "x$enable_debug_info" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL_CUSTOM(['lttng-utils' plugin], $value, [To enable, use --enable-debug-info])
PPRINT_PROP_BOOL(['text' plugin], 1)
PPRINT_PROP_BOOL(['utils' plugin], 1)
AS_ECHO
PPRINT_SUBTITLE([Built-in features])
-test "x$built_in_plugins" = "xyes" && value=1 || value=0
-PPRINT_PROP_BOOL([Built-in plugins], $value)
-test "x$built_in_python_plugin_support" = "xyes" && value=1 || value=0
-PPRINT_PROP_BOOL([Built-in Python plugin support], $value)
+test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL_CUSTOM([Built-in plugins], $value, [To enable, use --enable-built-in-plugins])
+test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL_CUSTOM([Built-in Python plugin support], $value, [To enable, use --enable-built-in-python-plugin-support])
AS_ECHO
PPRINT_SUBTITLE([Documentation])
+
+# man pages build enabled/disabled
+m4_pushdef([build_man_pages_msg], [Build and install man pages])
+
+AE_IF_FEATURE_ENABLED([man-pages], [
+ AE_IF_IN_GIT_REPO([
+ PPRINT_PROP_BOOL([build_man_pages_msg], 1)
+ ], [
+ AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
+ PPRINT_PROP_BOOL([build_man_pages_msg], 1)
+ ], [
+ PPRINT_PROP_STRING([build_man_pages_msg],
+ [${PPRINT_COLOR_BLDGRN}yes (already built)],
+ $PPRINT_COLOR_SUBTITLE)
+ ])
+ ])
+], [
+ PPRINT_PROP_BOOL_CUSTOM([build_man_pages_msg], 0, [To build man pages, use --enable-man-pages])
+])
+
+m4_popdef([build_man_pages_msg])
+
test "x$enable_api_doc" = "xyes" && value=1 || value=0
-PPRINT_PROP_BOOL([HTML API documentation], $value)
+PPRINT_PROP_BOOL_CUSTOM([HTML API documentation], $value, [To build documentation, use --enable-api-doc])
test "x$enable_python_bindings_doc" = "xyes" && value=1 || value=0
-PPRINT_PROP_BOOL([Python bindings documentation], $value)
+PPRINT_PROP_BOOL_CUSTOM([Python bindings documentation], $value, [To build the Python bindings documentation, use --enable-python-bindings-doc])
AS_ECHO
PPRINT_SUBTITLE([Logging])
PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
AS_ECHO
-PPRINT_SUBTITLE([Testing])
-test "x$enable_python_bindings_tests" = "xyes" && value=1 || value=0
-PPRINT_PROP_BOOL([Python bindings tests], $value)
+PPRINT_SUBTITLE([Special build modes])
+PPRINT_PROP_BOOL_CUSTOM([Debug mode], $BABELTRACE_DEBUG_MODE, [To enable, set the BABELTRACE_DEBUG_MODE environment variable to 1])
+PPRINT_PROP_BOOL_CUSTOM([Developer mode], $BABELTRACE_DEV_MODE, [To enable, set the BABELTRACE_DEV_MODE environment variable to 1])
report_bindir="`eval eval echo $bindir`"
report_libdir="`eval eval echo $libdir`"
report_sysconfdif="`eval eval echo $sysconfdir`"
+report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
+report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
# Print the bindir and libdir this `make install' will install into.
AS_ECHO
PPRINT_SUBTITLE([Install directories])
PPRINT_PROP_STRING([Binaries], [$report_bindir])
PPRINT_PROP_STRING([Libraries], [$report_libdir])
-PPRINT_PROP_STRING([Plugins], [$report_libdir/babeltrace/plugins])
+PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
+PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])
+
+# vim: shiftwidth=2 softtabstop=2 expandtab
projects / babeltrace.git / blobdiff