1 dnl SPDX-License-Identifier: MIT
3 dnl Copyright (C) 2017 EfficiOS, Inc.
5 dnl Process this file with autoconf to produce a configure script.
8 ## Autoconf base setup ##
13 m4_define([bt_version_major], [2])
14 m4_define([bt_version_minor], [1])
15 m4_define([bt_version_patch], [0])
16 m4_define([bt_version_dev_stage], [-rc1])
17 m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_dev_stage)
18 m4_define([bt_version_name], [])
20 AC_INIT([babeltrace2],[bt_version],[jeremie dot galarneau at efficios dot com],[],[https://efficios.com/babeltrace/])
22 # Following the numbering scheme proposed by libtool for the library version
23 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
24 m4_define([bt_lib_version_current], [0])
25 m4_define([bt_lib_version_revision], [0])
26 m4_define([bt_lib_version_age], [0])
27 m4_define([bt_lib_version], bt_lib_version_current[:]bt_lib_version_revision[:]bt_lib_version_age)
28 m4_define([bt_version_description], [])
29 m4_define([bt_version_description_c_safe], AS_ESCAPE(bt_version_description))
31 AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_lib_version)
33 AC_CONFIG_HEADERS([src/common/config.h])
34 AC_CONFIG_AUX_DIR([config])
35 AC_CONFIG_MACRO_DIR([m4])
37 AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
38 AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
39 AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
40 AC_DEFINE([BT_VERSION_DEV_STAGE], ["]bt_version_dev_stage["], [Babeltrace version development stage (can be empty)])
41 AC_DEFINE([BT_VERSION_NAME], ["]bt_version_name["], [Babeltrace version name])
42 AC_DEFINE([BT_VERSION_DESCRIPTION], ["]bt_version_description_c_safe["], [Babeltrace version description])
49 ## Automake base setup ##
52 AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc -Wall -Wno-portability -Werror])
53 AM_MAINTAINER_MODE([enable])
55 # Enable silent rules by default
56 AM_SILENT_RULES([yes])
60 ## OS specific defaults ##
68 AE_FEATURE_DISABLE([debug-info])
72 AE_FEATURE_DISABLE([debug-info])
76 AE_FEATURE_DISABLE([debug-info])
77 LT_NO_UNDEFINED="-no-undefined"
82 AE_FEATURE_DISABLE([debug-info])
83 LT_NO_UNDEFINED="-no-undefined"
87 AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
88 AC_SUBST(LT_NO_UNDEFINED)
92 ## C compiler checks ##
95 # Choose the C compiler
97 # AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
98 m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
100 # Make sure the C compiler supports C99
101 AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
103 # Enable available system extensions and LFS support
104 AC_USE_SYSTEM_EXTENSIONS
107 # Make sure the C compiler supports __attributes__
109 AS_IF([test "x$ax_cv___attribute__" != "xyes"],
110 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
112 # Make sur we have pthread support
113 AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
115 # Checks for typedefs, structures, and compiler characteristics.
130 AC_CHECK_TYPES([ptrdiff_t])
134 ## C++ compiler checks ##
137 # Require a C++11 compiler without GNU extensions (-std=c++11)
138 AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
165 # Check if the linker supports no-as-needed
166 AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
167 AC_SUBST([LD_NO_AS_NEEDED])
169 # Check if the linker supports whole-archive
170 AX_CHECK_LINK_FLAG([-Wl,--whole-archive,--no-whole-archive],
172 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,--whole-archive,])
173 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [,--no-whole-archive])
175 # Fallback to force_load for the macOS linker
176 AX_CHECK_LINK_FLAG([-Wl,-force_load],
178 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,-force_load,])
179 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [])
181 AC_MSG_WARN([Can't find a linker option to force the inclusion of the static plugin archive objects.])
187 # Check if the linker supports the "notext" keyword
188 AX_CHECK_LINK_FLAG([-Wl,-z,notext],[
189 AC_SUBST([LD_NOTEXT], [-Wl,-z,notext])
194 ## Programs checks ##
202 AC_PATH_PROG([report_fold], [fold])
204 # set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
205 # is not distributed in tarballs
206 AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
207 AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
211 AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
213 AS_IF([test "x$have_bison" != "xyes"], [
214 AS_IF([test "x$in_git_repo" = "xyes"], [
216 Bison >= 2.4 is required when building from the Git repository. You can
217 set the YACC variable to override automatic detection.
221 Missing Bison >= 2.4. Note that the parser files are already built in
222 this distribution tarball, so Bison is only needed if you intend to
223 modify their sources. You can set the YACC variable to override automatic
228 AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
231 # Prior to autoconf 2.70, AC_PROG_FLEX did not take an argument. This is not a
232 # problem since the argument is silently ignored by older versions.
233 AC_PROG_LEX([noyywrap])
234 AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
236 AS_IF([test "x$have_flex" != "xyes"], [
237 AS_IF([test "x$in_git_repo" = "xyes"], [
239 Flex >= 2.5.35 is required when building from the Git repository. You can
240 set the LEX variable to override automatic detection.
244 Missing Flex >= 2.5.35. Note that the lexer files are already built in
245 this distribution tarball, so Flex is only needed if you intend to
246 modify their sources. You can set the LEX variable to override automatic
251 AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
253 # Initialize and configure libtool
261 # Check what libraries are required on this platform to link sockets programs.
264 # Check for glib >= 2.28 with gmodule support
265 AM_PATH_GLIB_2_0([2.28.0], [],
266 AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
270 # Checks for library functions.
304 # AC_FUNC_MALLOC causes problems when cross-compiling.
309 AC_CHECK_LIB([c], [fmemopen],
310 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
313 # Check for open_memstream
314 AC_CHECK_LIB([c], [open_memstream],
315 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
318 # Check for posix_fallocate
319 AC_CHECK_LIB([c], [posix_fallocate],
320 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
328 AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
329 AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
330 AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
332 # BABELTRACE_PLUGINS_DIR: Plugins directory
333 AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
334 AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
336 # BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
337 AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
338 AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
340 # BABELTRACE_MINIMAL_LOG_LEVEL:
341 AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
342 AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = x], [BABELTRACE_MINIMAL_LOG_LEVEL="DEBUG"])
343 AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "TRACE" && \
344 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && \
345 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO"],
346 [AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use TRACE, DEBUG, or INFO.])]
348 AC_DEFINE_UNQUOTED([BT_MINIMAL_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
350 # BABELTRACE_DEV_MODE:
351 AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
352 AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
353 AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
354 ], [BABELTRACE_DEV_MODE=0])
355 AM_CONDITIONAL([DEV_MODE], [test "x$BABELTRACE_DEV_MODE" = x1])
357 # BABELTRACE_DEBUG_MODE:
358 AC_ARG_VAR([BABELTRACE_DEBUG_MODE], [Set to 1 to enable the Babeltrace debug mode (enables internal assertions for Babeltrace maintainers)])
359 AS_IF([test "x$BABELTRACE_DEBUG_MODE" = x1], [
360 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
361 ], [BABELTRACE_DEBUG_MODE=0])
365 ## Optionnal features selection ##
369 # Disabled by default
370 AE_FEATURE_DEFAULT_DISABLE
371 AE_FEATURE([python-bindings],[build the Python bindings])
373 # Python bindings documentation
374 # Disabled by default
375 AE_FEATURE_DEFAULT_DISABLE
376 AE_FEATURE([python-bindings-doc],[build the Python bindings documentation])
379 # Disabled by default
380 AE_FEATURE_DEFAULT_DISABLE
381 AE_FEATURE([python-plugins],[enable the Python plugins support for the library and converter])
384 # Enabled by default, except on some platforms
385 AE_FEATURE_DEFAULT_ENABLE
386 AE_FEATURE([debug-info],[disable the debug info support (default on macOS, Solaris and Windows)])
389 # Disabled by default
390 AE_FEATURE_DEFAULT_DISABLE
391 AE_FEATURE([api-doc],[build the HTML API documentation])
394 # Disabled by default
395 AE_FEATURE_DEFAULT_DISABLE
396 AE_FEATURE([built-in-plugins],[Statically-link in-tree plug-ins into the babeltrace2 executable])
398 # Built-in python plugin support
399 # Disabled by default
400 AE_FEATURE_DEFAULT_DISABLE
401 AE_FEATURE([built-in-python-plugin-support],[Statically-link Python plugin support into the babeltrace library])
405 AE_FEATURE_DEFAULT_ENABLE
406 AE_FEATURE([man-pages],[Do not build and install man pages (already built in a distributed tarball])
408 # When given, add -Werror to WARN_CFLAGS and WARN_CXXFLAGS.
409 # Disabled by default
410 AE_FEATURE_DEFAULT_DISABLE
411 AE_FEATURE([Werror],[Treat compiler warnings as errors.])
413 # When given, build with AddressSanitizer.
414 AE_FEATURE_DEFAULT_DISABLE
415 AE_FEATURE([asan],[Build with AddressSanitizer.])
418 ## Check for conflicting features selection ##
421 # Check for conflicting Python related features user choices.
422 AE_IF_FEATURE_ENABLED([python-plugins], [
423 AE_IF_FEATURE_UNDEF([python-bindings], [
424 # --enable-python-plugins was provided but --enable-python-bindings was
425 # omitted. Turn the Python bindings ON anyway because it's needed to
426 # use the Python plugins.
427 AE_FEATURE_ENABLE([python-bindings])
429 AE_IF_FEATURE_DISABLED([python-bindings], [
430 # --enable-python-plugins _and_ --disable-python-bindings were
431 # used. This is invalid because Python plugins need the Python
432 # bindings to be useful.
433 AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
438 # Check for conflicting optional features user choices
439 AE_IF_FEATURE_ENABLED([built-in-plugins], [
440 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
441 AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
442 AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
445 AE_IF_FEATURE_ENABLED([built-in-python-plugin-support], [
446 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])])
447 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
448 AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
449 AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
454 ## Set automake variables for optional feature conditionnals in Makefile.am ##
457 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], AE_IS_FEATURE_ENABLED([python-bindings]))
458 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], AE_IS_FEATURE_ENABLED([python-bindings-doc]))
459 AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], AE_IS_FEATURE_ENABLED([python-plugins]))
460 AM_CONDITIONAL([ENABLE_DEBUG_INFO], AE_IS_FEATURE_ENABLED([debug-info]))
461 AM_CONDITIONAL([ENABLE_API_DOC], AE_IS_FEATURE_ENABLED([api-doc]))
462 AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], AE_IS_FEATURE_ENABLED([built-in-plugins]))
463 AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], AE_IS_FEATURE_ENABLED([built-in-python-plugin-support]))
464 AM_CONDITIONAL([ENABLE_MAN_PAGES], AE_IS_FEATURE_ENABLED([man-pages]))
465 AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins]))
466 AM_CONDITIONAL([ENABLE_ASAN], AE_IS_FEATURE_ENABLED([asan]))
470 ## Set defines for optional features conditionnals in the source code ##
473 AE_IF_FEATURE_ENABLED([built-in-plugins],
474 [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
477 AE_IF_FEATURE_ENABLED([built-in-python-plugin-support],
478 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
481 AE_IF_FEATURE_ENABLED([debug-info], [ENABLE_DEBUG_INFO_VAL=1], [ENABLE_DEBUG_INFO_VAL=0])
482 AC_SUBST([ENABLE_DEBUG_INFO_VAL])
484 AE_IF_FEATURE_ENABLED([asan], [ENABLE_ASAN=1], [ENABLE_ASAN=0])
485 AC_SUBST([ENABLE_ASAN])
488 ## Check for optional features dependencies ##
491 # The Python bindings require SWIG
492 AE_IF_FEATURE_ENABLED([python-bindings],
493 [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
496 # Always check for python, we will fail later if some features require it and
498 AM_PATH_PYTHON([3.0], [
499 AE_PATH_PYTHON_MODULES([PYTHON])
501 # pythondir is the path where extra modules are to be installed
502 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
504 # pyexecdir is the path that contains shared objects used by the extra modules
505 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
507 AS_IF([test -z "$PYTHON_CONFIG"], [
508 AC_PATH_PROGS([PYTHON_CONFIG],
509 [python$PYTHON_VERSION-config python-config],
514 AS_IF([test -n "$PYTHON_CONFIG"], [
515 AS_IF([test -z "$PYTHON_INCLUDE"], [
516 AC_MSG_CHECKING([Python include flags])
517 PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
518 AC_MSG_RESULT([$PYTHON_INCLUDE])
521 AS_IF([test -z "$PYTHON_LDFLAGS"], [
522 AC_MSG_CHECKING([Python library flags])
523 # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
524 AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
525 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
527 AC_MSG_RESULT([$PYTHON_LDFLAGS])
532 AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
533 AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
535 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
536 AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
538 AS_IF([AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins])], [
539 AS_IF([test "x$have_python_dev" = xno], [
540 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
544 AE_IF_FEATURE_ENABLED([python-bindings-doc],
546 AE_CHECK_PYTHON_SPHINX([PYTHON])
547 AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno], [
548 AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])
551 AE_IF_FEATURE_NOT_ENABLED([python-bindings], [
552 AC_MSG_ERROR([The Python bindings are required to build their documentation])
557 AE_IF_FEATURE_ENABLED([debug-info], [
558 # Check if libelf and libdw are present
559 PKG_CHECK_MODULES([ELFUTILS], [libelf >= 0.154 libdw >= 0.154],
561 dnl PKG_CHECK_MODULES defines ELFUTILS_LIBS
564 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.])
566 # Turns out SLES12 doesn't bother shipping .pc file for libelf
567 AC_MSG_WARN([Finding libelf without pkg-config.])
568 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.)])
569 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.)])
570 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.)])
571 ELFUTILS_LIBS="-lelf -ldw"
574 AC_SUBST([ELFUTILS_LIBS])
576 AE_IF_FEATURE_ENABLED([api-doc],
578 DX_DOXYGEN_FEATURE(ON)
588 DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
589 AS_IF([test -z "$DX_DOXYGEN"],
590 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
595 have_asciidoc_xmlto=no
596 warn_prebuilt_man_pages=no
598 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
599 AC_PATH_PROG([XMLTO], [xmlto], [no])
601 AE_IF_FEATURE_ENABLED([man-pages], [
602 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
603 AS_IF([test "x$in_git_repo" = "xyes"], [
604 # this is an error because we're in the Git repo, which
605 # means the man pages are not already generated for us,
606 # thus asciixmlto are required because we were asked
607 # to build the man pages
609 You need asciidoc and xmlto to build the Babeltrace man pages. Use
610 --disable-man-pages to disable building the man pages, in which case
611 they will not be installed.
614 # only warn here: since we're in the tarball, the man
615 # pages should already be generated at this point, thus
616 # asciidoc/xmlto are not strictly required
617 warn_prebuilt_man_pages=yes
620 have_asciidoc_xmlto=yes
624 # export AsciiDoc and xmlto existence
625 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
627 # a wonderful hack that seems necessary because $libdir is
628 # literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
629 # by autoconf when it's not specified by the user
630 AS_IF([test "x$exec_prefix" = xNONE], [
631 AS_IF([test "x$prefix" = xNONE], [
632 PREFIX="$ac_default_prefix"
644 # If --enable-asan is used...
645 AE_IF_FEATURE_ENABLED([asan], [
646 # ... add -fsanitize=address to the *FLAGS variables.
647 ASAN_CFLAGS="-fsanitize=address"
648 ASAN_CXXFLAGS="-fsanitize=address"
649 ASAN_LDFLAGS="-fsanitize=address"
654 # CFLAGS from libraries (the glib ones are needed for the following sizeof
656 AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS}"
657 AM_CXXFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CXXFLAGS}"
658 AM_LDFLAGS="${ASAN_LDFLAGS}"
660 # Check that the current size_t matches the size that glib thinks it should
661 # be. This catches problems on multi-arch where people try to do a 32-bit
662 # build while pointing at 64-bit glib headers. This is a common error because
663 # glib.h is not platform specific but it includes glibconfig.h which is and
664 # is usually installed in a non-standard path.
666 # Do this before enabling all the warning flags, as the
667 # AC_LANG_PROGRAM-generated program may generate some warning, which makes this
668 # test fail unnecessarily.
670 # Older versions of the pkg-config macros disallows PKG_* in the autoconf
671 # output. Specifically allow pkg_config_libdir to be able to print the
673 m4_pattern_allow([PKG_CONFIG_LIBDIR])
675 save_CFLAGS=${CFLAGS}
676 CFLAGS="${CFLAGS} ${AM_CFLAGS}"
682 G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
686 sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
687 PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
691 CFLAGS=${save_CFLAGS}
693 # Detect C and LD warning flags supported by the compiler.
695 # Detect warning flags supported by the C and C++ compilers and append them to
696 # WARN_CFLAGS and WARN_CXXFLAGS.
698 m4_define([WARN_FLAGS_LIST], [ dnl
701 -Wmissing-prototypes dnl
702 -Wmissing-declarations dnl
703 -Wnull-dereference dnl
705 -Wredundant-decls dnl
707 -Wjump-misses-init dnl
708 -Wsuggest-attribute=format dnl
709 -Wtautological-constant-out-of-range-compare dnl
713 -Wstrict-aliasing dnl
714 -Wmissing-noreturn dnl
716 -Wduplicated-cond dnl
717 -Wduplicated-branches dnl
719 -Wno-unused-parameter dnl
720 -Wno-sign-compare dnl
722 dnl Some versions of SWIG (like 3.0.12) generate code that produces
723 dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
724 dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
725 dnl 4.0.1) have the correct function signatures to not produce this warning.
726 dnl It's simpler to just disable the warning globally.
728 dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
729 dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
730 dnl reproduce the warning using that package.
732 dnl Ref: https://github.com/swig/swig/issues/1259
733 -Wno-cast-function-type dnl
734 -Wno-missing-field-initializers dnl
737 # Pass -Werror as an extra flag during the test: this is needed to make the
738 # -Wunknown-warning-option diagnostic fatal with clang.
740 AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CXXFLAGS], [-Werror])
742 AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CFLAGS], [-Werror])
744 AE_IF_FEATURE_ENABLED([Werror], [WARN_CXXFLAGS="${WARN_CXXFLAGS} -Werror"])
745 AE_IF_FEATURE_ENABLED([Werror], [WARN_CFLAGS="${WARN_CFLAGS} -Werror"])
747 # The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
748 # written in such a way that it triggers warnings with the following warning
749 # flags. So they would always end up disabled if we put them there, because
750 # the test program would not build.
752 # Enable them here unconditionally. They are supported by GCC >= 4.8 and by
753 # Clang >= 3.3 (required by the project) and are only valid for C code.
754 WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition -Wstrict-prototypes"
756 # CFLAGS from AX_APPEND_COMPILE_FLAGS.
757 AM_CXXFLAGS="${AM_CXXFLAGS} ${WARN_CXXFLAGS}"
758 AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
760 # Done for AM_CXXFLAGS, AM_CFLAGS and AM_LDFLAGS.
761 AC_SUBST(AM_CXXFLAGS)
765 # Set global CPPFLAGS in AM_CPPFLAGS
766 AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
767 AC_SUBST(AM_CPPFLAGS)
769 # Add glib to global link libs
770 LIBS="$LIBS $GLIB_LIBS"
772 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
773 # to rename babeltrace2.bin to babeltrace2 at install time.
774 program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
775 AC_SUBST(program_transform_name)
779 doc/api/libbabeltrace2/Doxyfile
780 doc/api/libbabeltrace2/Makefile
781 doc/bindings/Makefile
782 doc/bindings/python/Makefile
783 doc/contributing-images/Makefile
785 doc/man/asciidoc-attrs.conf
790 src/autodisc/Makefile
791 src/babeltrace2-ctf-writer.pc
793 src/bindings/Makefile
794 src/bindings/python/bt2/bt2/version.py
795 src/bindings/python/bt2/Makefile
796 src/bindings/python/bt2/setup.py
797 src/bindings/python/Makefile
802 src/ctf-writer/Makefile
803 src/fd-cache/Makefile
804 src/lib/graph/Makefile
805 src/lib/graph/message/Makefile
807 src/lib/plugin/Makefile
808 src/lib/prio-heap/Makefile
809 src/lib/trace-ir/Makefile
812 src/plugins/common/Makefile
813 src/plugins/common/muxing/Makefile
814 src/plugins/common/param-validation/Makefile
815 src/plugins/ctf/common/bfcr/Makefile
816 src/plugins/ctf/common/Makefile
817 src/plugins/ctf/common/metadata/Makefile
818 src/plugins/ctf/common/msg-iter/Makefile
819 src/plugins/ctf/fs-sink/Makefile
820 src/plugins/ctf/fs-src/Makefile
821 src/plugins/ctf/lttng-live/Makefile
822 src/plugins/ctf/Makefile
823 src/plugins/lttng-utils/debug-info/Makefile
824 src/plugins/lttng-utils/Makefile
826 src/plugins/text/dmesg/Makefile
827 src/plugins/text/Makefile
828 src/plugins/text/pretty/Makefile
829 src/plugins/text/details/Makefile
830 src/plugins/utils/counter/Makefile
831 src/plugins/utils/dummy/Makefile
832 src/plugins/utils/Makefile
833 src/plugins/utils/muxer/Makefile
834 src/plugins/utils/trimmer/Makefile
835 src/py-common/Makefile
836 src/python-plugin-provider/Makefile
837 src/param-parse/Makefile
838 src/string-format/Makefile
839 tests/bitfield/Makefile
840 tests/ctf-writer/Makefile
842 tests/lib/test-plugin-plugins/Makefile
843 tests/lib/conds/Makefile
845 tests/param-validation/Makefile
846 tests/plugins/Makefile
847 tests/plugins/src.ctf.fs/Makefile
848 tests/plugins/src.ctf.fs/succeed/Makefile
849 tests/plugins/sink.ctf.fs/Makefile
850 tests/plugins/sink.ctf.fs/succeed/Makefile
851 tests/plugins/flt.lttng-utils.debug-info/Makefile
852 tests/plugins/flt.utils.muxer/Makefile
853 tests/plugins/flt.utils.muxer/succeed/Makefile
854 tests/plugins/flt.utils.trimmer/Makefile
855 tests/plugins/sink.text.pretty/Makefile
857 tests/utils/tap/Makefile
860 AC_CONFIG_FILES([tests/utils/env.sh],[chmod +x tests/utils/env.sh])
865 # Mini-report on what will be built.
874 AS_IF([test -n "bt_version_name"], [
875 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
877 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
882 AS_IF([test -n "bt_version_description"], [
883 AS_IF([test -n "$report_fold"], [
884 AS_ECHO("`AS_ECHO("bt_version_description") | $report_fold -s`")
886 AS_ECHO("bt_version_description")
892 PPRINT_SUBTITLE([System])
894 # Target architecture we're building for.
895 target_arch=$host_cpu
898 if test $f = "-m32"; then
900 elif test $f = "-m64"; then
906 PPRINT_PROP_STRING([Target architecture], $target_arch)
909 PPRINT_SUBTITLE([Python 3 language support])
910 test "x$have_python" = "xyes" && value=1 || value=0
911 PPRINT_PROP_BOOL([Have Python interpreter], $value)
912 test "x$have_python_dev" = "xyes" && value=1 || value=0
913 PPRINT_PROP_BOOL([Have Python development libraries], $value)
914 test "x$enable_python_bindings" = "xyes" && value=1 || value=0
915 PPRINT_PROP_BOOL_CUSTOM([Python bindings], $value, [To enable, use --enable-python-bindings])
916 test "x$enable_python_plugins" = "xyes" && value=1 || value=0
917 PPRINT_PROP_BOOL_CUSTOM([Python plugin support], $value, [To enable, use --enable-python-plugins])
918 AS_IF([test "x$have_python" = "xyes"], [
919 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
921 AS_IF([test "x$have_python_dev" = "xyes"], [
922 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
923 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
924 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
926 AE_IF_FEATURE_ENABLED([python-bindings], [
927 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
928 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
932 PPRINT_SUBTITLE([Plugins])
933 PPRINT_PROP_BOOL(['ctf' plugin], 1)
934 test "x$enable_debug_info" = "xyes" && value=1 || value=0
935 PPRINT_PROP_BOOL_CUSTOM(['lttng-utils' plugin], $value, [To enable, use --enable-debug-info])
936 PPRINT_PROP_BOOL(['text' plugin], 1)
937 PPRINT_PROP_BOOL(['utils' plugin], 1)
940 PPRINT_SUBTITLE([Built-in features])
941 test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
942 PPRINT_PROP_BOOL_CUSTOM([Built-in plugins], $value, [To enable, use --enable-built-in-plugins])
943 test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
944 PPRINT_PROP_BOOL_CUSTOM([Built-in Python plugin support], $value, [To enable, use --enable-built-in-python-plugin-support])
947 PPRINT_SUBTITLE([Documentation])
949 # man pages build enabled/disabled
950 m4_pushdef([build_man_pages_msg], [Build and install man pages])
952 AS_IF([test "x$enable_man_pages" != "xno"], [
953 AS_IF([test "x$in_git_repo" = "xyes"], [
954 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
956 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
957 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
959 PPRINT_PROP_STRING([build_man_pages_msg],
960 [${PPRINT_COLOR_BLDGRN}yes (already built)],
961 $PPRINT_COLOR_SUBTITLE)
965 PPRINT_PROP_BOOL_CUSTOM([build_man_pages_msg], 0, [To build man pages, use --enable-man-pages])
968 m4_popdef([build_man_pages_msg])
970 test "x$enable_api_doc" = "xyes" && value=1 || value=0
971 PPRINT_PROP_BOOL_CUSTOM([HTML API documentation], $value, [To build documentation, use --enable-api-doc])
972 test "x$enable_python_bindings_doc" = "xyes" && value=1 || value=0
973 PPRINT_PROP_BOOL_CUSTOM([Python bindings documentation], $value, [To build the Python bindings documentation, use --enable-python-bindings-doc])
976 PPRINT_SUBTITLE([Logging])
977 PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
980 PPRINT_SUBTITLE([Special build modes])
981 PPRINT_PROP_BOOL_CUSTOM([Debug mode], $BABELTRACE_DEBUG_MODE, [To enable, set the BABELTRACE_DEBUG_MODE environment variable to 1])
982 PPRINT_PROP_BOOL_CUSTOM([Developer mode], $BABELTRACE_DEV_MODE, [To enable, set the BABELTRACE_DEV_MODE environment variable to 1])
984 report_bindir="`eval eval echo $bindir`"
985 report_libdir="`eval eval echo $libdir`"
986 report_sysconfdif="`eval eval echo $sysconfdir`"
987 report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
988 report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
990 # Print the bindir and libdir this `make install' will install into.
992 PPRINT_SUBTITLE([Install directories])
993 PPRINT_PROP_STRING([Binaries], [$report_bindir])
994 PPRINT_PROP_STRING([Libraries], [$report_libdir])
995 PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
996 PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
997 PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])