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$MINGW32" = "xyes"])
88 AC_SUBST(LT_NO_UNDEFINED)
92 ## C compiler checks ##
95 # Choose the c compiler
98 # Make sure the c compiler supports C99
99 AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
101 # Enable available system extensions and LFS support
102 AC_USE_SYSTEM_EXTENSIONS
105 # Make sure the c compiler supports __attributes__
107 AS_IF([test "x$ax_cv___attribute__" != "xyes"],
108 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
110 # Make sur we have pthread support
111 AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
113 # Checks for typedefs, structures, and compiler characteristics.
128 AC_CHECK_TYPES([ptrdiff_t])
155 # Check if the linker supports no-as-needed
156 AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
157 AC_SUBST([LD_NO_AS_NEEDED])
159 # Check if the linker supports whole-archive
160 AX_CHECK_LINK_FLAG([-Wl,--whole-archive,--no-whole-archive],
162 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,--whole-archive,])
163 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [,--no-whole-archive])
165 # Fallback to force_load for the macOS linker
166 AX_CHECK_LINK_FLAG([-Wl,-force_load],
168 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,-force_load,])
169 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [])
171 AC_MSG_WARN([Can't find a linker option to force the inclusion of the static plugin archive objects.])
177 # Check if the linker supports the "notext" keyword
178 AX_CHECK_LINK_FLAG([-Wl,-z,notext],[
179 AC_SUBST([LD_NOTEXT], [-Wl,-z,notext])
184 ## Programs checks ##
192 AC_PATH_PROG([report_fold], [fold])
194 # set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
195 # is not distributed in tarballs
196 AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
197 AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
201 AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
203 AS_IF([test "x$have_bison" != "xyes"], [
204 AS_IF([test "x$in_git_repo" = "xyes"], [
206 Bison >= 2.4 is required when building from the Git repository. You can
207 set the YACC variable to override automatic detection.
211 Missing Bison >= 2.4. Note that the parser files are already built in
212 this distribution tarball, so Bison is only needed if you intend to
213 modify their sources. You can set the YACC variable to override automatic
218 AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
222 AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
224 AS_IF([test "x$have_flex" != "xyes"], [
225 AS_IF([test "x$in_git_repo" = "xyes"], [
227 Flex >= 2.5.35 is required when building from the Git repository. You can
228 set the LEX variable to override automatic detection.
232 Missing Flex >= 2.5.35. Note that the lexer files are already built in
233 this distribution tarball, so Flex is only needed if you intend to
234 modify their sources. You can set the LEX variable to override automatic
239 AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
241 # Initialize and configure libtool
249 # Check what libraries are required on this platform to link sockets programs.
252 # Check for glib >= 2.28 with gmodule support
253 AM_PATH_GLIB_2_0([2.28.0], [],
254 AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
258 # Checks for library functions.
292 # AC_FUNC_MALLOC causes problems when cross-compiling.
297 AC_CHECK_LIB([c], [fmemopen],
298 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
301 # Check for open_memstream
302 AC_CHECK_LIB([c], [open_memstream],
303 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
306 # Check for posix_fallocate
307 AC_CHECK_LIB([c], [posix_fallocate],
308 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
316 AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
317 AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
318 AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
320 # BABELTRACE_PLUGINS_DIR: Plugins directory
321 AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
322 AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
324 # BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
325 AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
326 AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
328 # BABELTRACE_MINIMAL_LOG_LEVEL:
329 AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
330 AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = x], [BABELTRACE_MINIMAL_LOG_LEVEL="DEBUG"])
331 AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "TRACE" && \
332 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && \
333 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO"],
334 [AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use TRACE, DEBUG, or INFO.])]
336 AC_DEFINE_UNQUOTED([BT_MINIMAL_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
338 # BABELTRACE_DEV_MODE:
339 AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
340 AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
341 AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
342 ], [BABELTRACE_DEV_MODE=0])
343 AM_CONDITIONAL([DEV_MODE], [test "x$BABELTRACE_DEV_MODE" = x1])
345 # BABELTRACE_DEBUG_MODE:
346 AC_ARG_VAR([BABELTRACE_DEBUG_MODE], [Set to 1 to enable the Babeltrace debug mode (enables internal assertions for Babeltrace maintainers)])
347 AS_IF([test "x$BABELTRACE_DEBUG_MODE" = x1], [
348 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
349 ], [BABELTRACE_DEBUG_MODE=0])
353 ## Optionnal features selection ##
357 # Disabled by default
358 AE_FEATURE_DEFAULT_DISABLE
359 AE_FEATURE([python-bindings],[build the Python bindings])
361 # Python bindings documentation
362 # Disabled by default
363 AE_FEATURE_DEFAULT_DISABLE
364 AE_FEATURE([python-bindings-doc],[build the Python bindings documentation])
367 # Disabled by default
368 AE_FEATURE_DEFAULT_DISABLE
369 AE_FEATURE([python-plugins],[enable the Python plugins support for the library and converter])
372 # Enabled by default, except on some platforms
373 AE_FEATURE_DEFAULT_ENABLE
374 AE_FEATURE([debug-info],[disable the debug info support (default on macOS, Solaris and Windows)])
377 # Disabled by default
378 AE_FEATURE_DEFAULT_DISABLE
379 AE_FEATURE([api-doc],[build the HTML API documentation])
382 # Disabled by default
383 AE_FEATURE_DEFAULT_DISABLE
384 AE_FEATURE([built-in-plugins],[Statically-link in-tree plug-ins into the babeltrace2 executable])
386 # Built-in python plugin support
387 # Disabled by default
388 AE_FEATURE_DEFAULT_DISABLE
389 AE_FEATURE([built-in-python-plugin-support],[Statically-link Python plugin support into the babeltrace library])
393 AE_FEATURE_DEFAULT_ENABLE
394 AE_FEATURE([man-pages],[Do not build and install man pages (already built in a distributed tarball])
396 # When given, add -Werror to WARN_CFLAGS.
397 # Disabled by default
398 AE_FEATURE_DEFAULT_DISABLE
399 AE_FEATURE([Werror],[Treat compiler warnings as errors.])
403 ## Check for conflicting features selection ##
406 # Check for conflicting Python related features user choices.
407 AE_IF_FEATURE_ENABLED([python-plugins], [
408 AE_IF_FEATURE_UNDEF([python-bindings], [
409 # --enable-python-plugins was provided but --enable-python-bindings was
410 # omitted. Turn the Python bindings ON anyway because it's needed to
411 # use the Python plugins.
412 AE_FEATURE_ENABLE([python-bindings])
414 AE_IF_FEATURE_DISABLED([python-bindings], [
415 # --enable-python-plugins _and_ --disable-python-bindings were
416 # used. This is invalid because Python plugins need the Python
417 # bindings to be useful.
418 AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
423 # Check for conflicting optional features user choices
424 AE_IF_FEATURE_ENABLED([built-in-plugins], [
425 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
426 AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
427 AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
430 AE_IF_FEATURE_ENABLED([built-in-python-plugin-support], [
431 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])])
432 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
433 AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
434 AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
439 ## Set automake variables for optionnal feature conditionnals in Makefile.am ##
442 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], AE_IS_FEATURE_ENABLED([python-bindings]))
443 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], AE_IS_FEATURE_ENABLED([python-bindings-doc]))
444 AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], AE_IS_FEATURE_ENABLED([python-plugins]))
445 AM_CONDITIONAL([ENABLE_DEBUG_INFO], AE_IS_FEATURE_ENABLED([debug-info]))
446 AM_CONDITIONAL([ENABLE_API_DOC], AE_IS_FEATURE_ENABLED([api-doc]))
447 AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], AE_IS_FEATURE_ENABLED([built-in-plugins]))
448 AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], AE_IS_FEATURE_ENABLED([built-in-python-plugin-support]))
449 AM_CONDITIONAL([ENABLE_MAN_PAGES], AE_IS_FEATURE_ENABLED([man-pages]))
450 AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins]))
454 ## Set defines for optionnal features conditionnals in the source code ##
457 AE_IF_FEATURE_ENABLED([built-in-plugins],
458 [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
461 AE_IF_FEATURE_ENABLED([built-in-python-plugin-support],
462 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
465 AE_IF_FEATURE_ENABLED([debug-info], [ENABLE_DEBUG_INFO_VAL=1], [ENABLE_DEBUG_INFO_VAL=0])
466 AC_SUBST([ENABLE_DEBUG_INFO_VAL])
470 ## Check for optionnal features dependencies ##
473 # The Python bindings require SWIG
474 AE_IF_FEATURE_ENABLED([python-plugins],
475 [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
478 # Always check for python, we will fail later if some features require it and
480 AM_PATH_PYTHON([3.0], [
481 AE_PATH_PYTHON_MODULES([PYTHON])
483 # pythondir is the path where extra modules are to be installed
484 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
486 # pyexecdir is the path that contains shared objects used by the extra modules
487 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
489 AS_IF([test -z "$PYTHON_CONFIG"], [
490 AC_PATH_PROGS([PYTHON_CONFIG],
491 [python$PYTHON_VERSION-config python-config],
496 AS_IF([test -n "$PYTHON_CONFIG"], [
497 AS_IF([test -z "$PYTHON_INCLUDE"], [
498 AC_MSG_CHECKING([Python include flags])
499 PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
500 AC_MSG_RESULT([$PYTHON_INCLUDE])
503 AS_IF([test -z "$PYTHON_LDFLAGS"], [
504 AC_MSG_CHECKING([Python library flags])
505 # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
506 AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
507 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
509 AC_MSG_RESULT([$PYTHON_LDFLAGS])
514 AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
515 AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
517 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
518 AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
520 AS_IF([AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins])], [
521 AS_IF([test "x$have_python_dev" = xno], [
522 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
526 AE_IF_FEATURE_ENABLED([python-bindings-doc],
528 AE_CHECK_PYTHON_SPHINX([PYTHON])
529 AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno], [
530 AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])
533 AE_IF_FEATURE_NOT_ENABLED([python-bindings], [
534 AC_MSG_ERROR([The Python bindings are required to build their documentation])
539 AE_IF_FEATURE_ENABLED([debug-info], [
540 # Check if libelf and libdw are present
541 PKG_CHECK_MODULES([ELFUTILS], [libelf >= 0.154 libdw >= 0.154],
543 dnl PKG_CHECK_MODULES defines ELFUTILS_LIBS
546 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.])
548 # Turns out SLES12 doesn't bother shipping .pc file for libelf
549 AC_MSG_WARN([Finding libelf without pkg-config.])
550 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.)])
551 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.)])
552 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.)])
553 ELFUTILS_LIBS="-lelf -ldw"
556 AC_SUBST([ELFUTILS_LIBS])
558 AE_IF_FEATURE_ENABLED([api-doc],
560 DX_DOXYGEN_FEATURE(ON)
570 DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
571 AS_IF([test -z "$DX_DOXYGEN"],
572 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
577 have_asciidoc_xmlto=no
578 warn_prebuilt_man_pages=no
580 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
581 AC_PATH_PROG([XMLTO], [xmlto], [no])
583 AE_IF_FEATURE_ENABLED([man-pages], [
584 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
585 AS_IF([test "x$in_git_repo" = "xyes"], [
586 # this is an error because we're in the Git repo, which
587 # means the man pages are not already generated for us,
588 # thus asciixmlto are required because we were asked
589 # to build the man pages
591 You need asciidoc and xmlto to build the Babeltrace man pages. Use
592 --disable-man-pages to disable building the man pages, in which case
593 they will not be installed.
596 # only warn here: since we're in the tarball, the man
597 # pages should already be generated at this point, thus
598 # asciidoc/xmlto are not strictly required
599 warn_prebuilt_man_pages=yes
602 have_asciidoc_xmlto=yes
606 # export AsciiDoc and xmlto existence
607 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
609 # a wonderful hack that seems necessary because $libdir is
610 # literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
611 # by autoconf when it's not specified by the user
612 AS_IF([test "x$exec_prefix" = xNONE], [
613 AS_IF([test "x$prefix" = xNONE], [
614 PREFIX="$ac_default_prefix"
629 # CFLAGS from libraries (the glib ones are needed for the following sizeof
631 AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
633 # Check that the current size_t matches the size that glib thinks it should
634 # be. This catches problems on multi-arch where people try to do a 32-bit
635 # build while pointing at 64-bit glib headers. This is a common error because
636 # glib.h is not platform specific but it includes glibconfig.h which is and
637 # is usually installed in a non-standard path.
639 # Do this before enabling all the warning flags, as the
640 # AC_LANG_PROGRAM-generated program may generate some warning, which makes this
641 # test fail unnecessarily.
643 # Older versions of the pkg-config macros disallows PKG_* in the autoconf
644 # output. Specifically allow pkg_config_libdir to be able to print the
646 m4_pattern_allow([PKG_CONFIG_LIBDIR])
648 save_CFLAGS=${CFLAGS}
649 CFLAGS="${CFLAGS} ${AM_CFLAGS}"
655 G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
659 sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
660 PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
664 CFLAGS=${save_CFLAGS}
666 # Detect C and LD warning flags supported by the compiler.
668 # Detect warning flags supported by the compiler, append them to WARN_CFLAGS.
670 # Pass -Werror as an extra flag during the test: this is needed to make the
671 # -Wunknown-warning-option diagnostic fatal with clang.
672 AX_APPEND_COMPILE_FLAGS([ dnl
675 -Wmissing-prototypes dnl
676 -Wmissing-declarations dnl
677 -Wnull-dereference dnl
679 -Wredundant-decls dnl
681 -Wjump-misses-init dnl
682 -Wsuggest-attribute=format dnl
683 -Wtautological-constant-out-of-range-compare dnl
687 -Wstrict-aliasing dnl
688 -Wmissing-noreturn dnl
690 -Wduplicated-cond dnl
691 -Wduplicated-branches dnl
693 -Wno-unused-parameter dnl
694 -Wno-sign-compare dnl
696 dnl Some versions of SWIG (like 3.0.12) generate code that produces
697 dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
698 dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
699 dnl 4.0.1) have the correct function signatures to not produce this warning.
700 dnl It's simpler to just disable the warning globally.
702 dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
703 dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
704 dnl reproduce the warning using that package.
706 dnl Ref: https://github.com/swig/swig/issues/1259
707 -Wno-cast-function-type dnl
708 -Wno-missing-field-initializers dnl
713 AE_IF_FEATURE_ENABLED([Werror], [WARN_CFLAGS="${WARN_CFLAGS} -Werror"])
715 # The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
716 # written in such a way that it triggers warnings with the following warning
717 # flags. So they would always end up disabled if we put them there, because
718 # the test program would not build.
720 # Enable them here unconditionally. They are supported by GCC >= 4.8 and by
722 WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition -Wstrict-prototypes"
724 # CFLAGS from AX_APPEND_COMPILE_FLAGS.
725 AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
727 # Done for AM_CFLAGS.
730 # Set global CPPFLAGS in AM_CPPFLAGS
731 AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
732 AC_SUBST(AM_CPPFLAGS)
734 # Add glib to global link libs
735 LIBS="$LIBS $GLIB_LIBS"
737 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
738 # to rename babeltrace2.bin to babeltrace2 at install time.
739 program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
740 AC_SUBST(program_transform_name)
744 doc/api/libbabeltrace2/Doxyfile
745 doc/api/libbabeltrace2/Makefile
746 doc/bindings/Makefile
747 doc/bindings/python/Makefile
748 doc/contributing-images/Makefile
750 doc/man/asciidoc-attrs.conf
755 src/autodisc/Makefile
756 src/babeltrace2-ctf-writer.pc
758 src/bindings/Makefile
759 src/bindings/python/bt2/bt2/version.py
760 src/bindings/python/bt2/Makefile
761 src/bindings/python/bt2/setup.py
762 src/bindings/python/Makefile
767 src/ctf-writer/Makefile
768 src/fd-cache/Makefile
769 src/lib/graph/Makefile
770 src/lib/graph/message/Makefile
772 src/lib/plugin/Makefile
773 src/lib/prio-heap/Makefile
774 src/lib/trace-ir/Makefile
777 src/plugins/common/Makefile
778 src/plugins/common/muxing/Makefile
779 src/plugins/common/param-validation/Makefile
780 src/plugins/ctf/common/bfcr/Makefile
781 src/plugins/ctf/common/Makefile
782 src/plugins/ctf/common/metadata/Makefile
783 src/plugins/ctf/common/msg-iter/Makefile
784 src/plugins/ctf/fs-sink/Makefile
785 src/plugins/ctf/fs-src/Makefile
786 src/plugins/ctf/lttng-live/Makefile
787 src/plugins/ctf/Makefile
788 src/plugins/lttng-utils/debug-info/Makefile
789 src/plugins/lttng-utils/Makefile
791 src/plugins/text/dmesg/Makefile
792 src/plugins/text/Makefile
793 src/plugins/text/pretty/Makefile
794 src/plugins/text/details/Makefile
795 src/plugins/utils/counter/Makefile
796 src/plugins/utils/dummy/Makefile
797 src/plugins/utils/Makefile
798 src/plugins/utils/muxer/Makefile
799 src/plugins/utils/trimmer/Makefile
800 src/py-common/Makefile
801 src/python-plugin-provider/Makefile
802 src/param-parse/Makefile
803 src/string-format/Makefile
804 tests/bitfield/Makefile
805 tests/ctf-writer/Makefile
807 tests/lib/test-plugin-plugins/Makefile
808 tests/lib/conds/Makefile
810 tests/param-validation/Makefile
811 tests/plugins/Makefile
812 tests/plugins/src.ctf.fs/Makefile
813 tests/plugins/src.ctf.fs/succeed/Makefile
814 tests/plugins/sink.ctf.fs/Makefile
815 tests/plugins/sink.ctf.fs/succeed/Makefile
816 tests/plugins/flt.lttng-utils.debug-info/Makefile
817 tests/plugins/flt.utils.muxer/Makefile
818 tests/plugins/flt.utils.muxer/succeed/Makefile
819 tests/plugins/flt.utils.trimmer/Makefile
820 tests/plugins/sink.text.pretty/Makefile
822 tests/utils/tap/Makefile
828 # Mini-report on what will be built.
837 AS_IF([test -n "bt_version_name"], [
838 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
840 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
845 AS_IF([test -n "bt_version_description"], [
846 AS_IF([test -n "$report_fold"], [
847 AS_ECHO("`AS_ECHO("bt_version_description") | $report_fold -s`")
849 AS_ECHO("bt_version_description")
855 PPRINT_SUBTITLE([System])
857 # Target architecture we're building for.
858 target_arch=$host_cpu
861 if test $f = "-m32"; then
863 elif test $f = "-m64"; then
869 PPRINT_PROP_STRING([Target architecture], $target_arch)
872 PPRINT_SUBTITLE([Python 3 language support])
873 test "x$have_python" = "xyes" && value=1 || value=0
874 PPRINT_PROP_BOOL([Have Python interpreter], $value)
875 test "x$have_python_dev" = "xyes" && value=1 || value=0
876 PPRINT_PROP_BOOL([Have Python development libraries], $value)
877 test "x$enable_python_bindings" = "xyes" && value=1 || value=0
878 PPRINT_PROP_BOOL_CUSTOM([Python bindings], $value, [To enable, use --enable-python-bindings])
879 test "x$enable_python_plugins" = "xyes" && value=1 || value=0
880 PPRINT_PROP_BOOL_CUSTOM([Python plugin support], $value, [To enable, use --enable-python-plugins])
881 AS_IF([test "x$have_python" = "xyes"], [
882 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
884 AS_IF([test "x$have_python_dev" = "xyes"], [
885 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
886 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
887 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
889 AE_IF_FEATURE_ENABLED([python-bindings], [
890 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
891 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
895 PPRINT_SUBTITLE([Plugins])
896 PPRINT_PROP_BOOL(['ctf' plugin], 1)
897 test "x$enable_debug_info" = "xyes" && value=1 || value=0
898 PPRINT_PROP_BOOL_CUSTOM(['lttng-utils' plugin], $value, [To enable, use --enable-debug-info])
899 PPRINT_PROP_BOOL(['text' plugin], 1)
900 PPRINT_PROP_BOOL(['utils' plugin], 1)
903 PPRINT_SUBTITLE([Built-in features])
904 test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
905 PPRINT_PROP_BOOL_CUSTOM([Built-in plugins], $value, [To enable, use --enable-built-in-plugins])
906 test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
907 PPRINT_PROP_BOOL_CUSTOM([Built-in Python plugin support], $value, [To enable, use --enable-built-in-python-plugin-support])
910 PPRINT_SUBTITLE([Documentation])
912 # man pages build enabled/disabled
913 m4_pushdef([build_man_pages_msg], [Build and install man pages])
915 AS_IF([test "x$enable_man_pages" != "xno"], [
916 AS_IF([test "x$in_git_repo" = "xyes"], [
917 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
919 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
920 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
922 PPRINT_PROP_STRING([build_man_pages_msg],
923 [${PPRINT_COLOR_BLDGRN}yes (already built)],
924 $PPRINT_COLOR_SUBTITLE)
928 PPRINT_PROP_BOOL_CUSTOM([build_man_pages_msg], 0, [To build man pages, use --enable-man-pages])
931 m4_popdef([build_man_pages_msg])
933 test "x$enable_api_doc" = "xyes" && value=1 || value=0
934 PPRINT_PROP_BOOL_CUSTOM([HTML API documentation], $value, [To build documentation, use --enable-api-doc])
935 test "x$enable_python_bindings_doc" = "xyes" && value=1 || value=0
936 PPRINT_PROP_BOOL_CUSTOM([Python bindings documentation], $value, [To build the Python bindings documentation, use --enable-python-bindings-doc])
939 PPRINT_SUBTITLE([Logging])
940 PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
943 PPRINT_SUBTITLE([Special build modes])
944 PPRINT_PROP_BOOL_CUSTOM([Debug mode], $BABELTRACE_DEBUG_MODE, [To enable, set the BABELTRACE_DEBUG_MODE environment variable to 1])
945 PPRINT_PROP_BOOL_CUSTOM([Developer mode], $BABELTRACE_DEV_MODE, [To enable, set the BABELTRACE_DEV_MODE environment variable to 1])
947 report_bindir="`eval eval echo $bindir`"
948 report_libdir="`eval eval echo $libdir`"
949 report_sysconfdif="`eval eval echo $sysconfdir`"
950 report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
951 report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
953 # Print the bindir and libdir this `make install' will install into.
955 PPRINT_SUBTITLE([Install directories])
956 PPRINT_PROP_STRING([Binaries], [$report_bindir])
957 PPRINT_PROP_STRING([Libraries], [$report_libdir])
958 PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
959 PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
960 PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])