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/])
23 # Following the numbering scheme proposed by libtool for the library version
24 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
25 m4_define([bt_lib_version_current], [0])
26 m4_define([bt_lib_version_revision], [0])
27 m4_define([bt_lib_version_age], [0])
28 m4_define([bt_lib_version], bt_lib_version_current[:]bt_lib_version_revision[:]bt_lib_version_age)
30 bt_version_description=""
31 bt_version_description_c_safe=$(echo $bt_version_description | $SED 's/"/\\"/g')
33 AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_lib_version)
35 AC_CONFIG_HEADERS([src/common/config.h])
36 AC_CONFIG_AUX_DIR([config])
37 AC_CONFIG_MACRO_DIR([m4])
39 AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
40 AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
41 AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
42 AC_DEFINE([BT_VERSION_DEV_STAGE], ["]bt_version_dev_stage["], [Babeltrace version development stage (can be empty)])
43 AC_DEFINE([BT_VERSION_NAME], ["]bt_version_name["], [Babeltrace version name])
44 AC_DEFINE_UNQUOTED([BT_VERSION_DESCRIPTION], ["$bt_version_description_c_safe"], [Babeltrace version description])
51 ## Automake base setup ##
54 AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
55 AM_MAINTAINER_MODE([enable])
57 # Enable silent rules if available (Introduced in AM 1.11)
58 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
62 ## OS specific defaults ##
66 DEFAULT_ENABLE_DEBUG_INFO=yes
71 DEFAULT_ENABLE_DEBUG_INFO=no
75 DEFAULT_ENABLE_DEBUG_INFO=no
76 LT_NO_UNDEFINED="-no-undefined"
81 DEFAULT_ENABLE_DEBUG_INFO=no
82 LT_NO_UNDEFINED="-no-undefined"
86 AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
87 AC_SUBST(LT_NO_UNDEFINED)
91 ## C compiler checks ##
94 AC_USE_SYSTEM_EXTENSIONS
97 # Choose the c compiler
100 # Make sure the c compiler supports C99
101 AC_PROG_CC_C99([], [AC_MSG_ERROR([The compiler does not support C99])])
103 # Make sure the c compiler supports __attributes__
105 AS_IF([test "x$ax_cv___attribute__" != "xyes"],
106 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
108 # Make sur we have pthread support
109 AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
111 # Checks for typedefs, structures, and compiler characteristics.
126 AC_CHECK_TYPES([ptrdiff_t])
153 # Check if the linker supports no-as-needed
154 AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
155 AC_SUBST([LD_NO_AS_NEEDED])
157 # Check if the linker supports whole-archive
158 AX_CHECK_LINK_FLAG([-Wl,--whole-archive,--no-whole-archive],
160 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,--whole-archive,])
161 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [,--no-whole-archive])
163 # Fallback to force_load for the macOS linker
164 AX_CHECK_LINK_FLAG([-Wl,-force_load],
166 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,-force_load,])
167 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [])
169 AC_MSG_WARN([Can't find a linker option to force the inclusion of the static plugin archive objects.])
175 # Initialize and configure libtool
180 ## Programs checks ##
186 AC_PATH_PROG([report_fold], [fold])
188 # set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
189 # is not distributed in tarballs
190 AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
191 AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
195 AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
197 AS_IF([test "x$have_bison" != "xyes"], [
198 AS_IF([test "x$in_git_repo" = "xyes"], [
200 Bison >= 2.4 is required when building from the Git repository. You can
201 set the YACC variable to override automatic detection.
205 Missing Bison >= 2.4. Note that the parser files are already built in
206 this distribution tarball, so Bison is only needed if you intend to
207 modify their sources. You can set the YACC variable to override automatic
212 AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
216 AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
218 AS_IF([test "x$have_flex" != "xyes"], [
219 AS_IF([test "x$in_git_repo" = "xyes"], [
221 Flex >= 2.5.35 is required when building from the Git repository. You can
222 set the LEX variable to override automatic detection.
226 Missing Flex >= 2.5.35. Note that the lexer files are already built in
227 this distribution tarball, so Flex is only needed if you intend to
228 modify their sources. You can set the LEX variable to override automatic
233 AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
240 # Check what libraries are required on this platform to link sockets programs.
243 # Check for glib >= 2.28 with gmodule support
244 AM_PATH_GLIB_2_0([2.28.0], [],
245 AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
249 # Checks for library functions.
283 # AC_FUNC_MALLOC causes problems when cross-compiling.
288 AC_CHECK_LIB([c], [fmemopen],
289 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
292 # Check for open_memstream
293 AC_CHECK_LIB([c], [open_memstream],
294 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
297 # Check for posix_fallocate
298 AC_CHECK_LIB([c], [posix_fallocate],
299 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
306 AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
307 AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
308 AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
310 # BABELTRACE_PLUGINS_DIR: Plugins directory
311 AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
312 AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
314 # BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
315 AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
316 AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
318 # BABELTRACE_MINIMAL_LOG_LEVEL:
319 AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
320 AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = x], [BABELTRACE_MINIMAL_LOG_LEVEL="DEBUG"])
321 AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "TRACE" && \
322 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && \
323 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO"],
324 [AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use TRACE, DEBUG, or INFO.])]
326 AC_DEFINE_UNQUOTED([BT_MINIMAL_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
328 # BABELTRACE_DEV_MODE:
329 AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
330 AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
331 AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
332 ], [BABELTRACE_DEV_MODE=0])
334 # BABELTRACE_DEBUG_MODE:
335 AC_ARG_VAR([BABELTRACE_DEBUG_MODE], [Set to 1 to enable the Babeltrace debug mode (enables internal assertions for Babeltrace maintainers)])
336 AS_IF([test "x$BABELTRACE_DEBUG_MODE" = x1], [
337 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
338 ], [BABELTRACE_DEBUG_MODE=0])
342 ## Optionnal features selection ##
346 # Disabled by default
347 AC_ARG_ENABLE([python-bindings],
348 [AC_HELP_STRING([--enable-python-bindings], [build the Python bindings])],
349 [], dnl AC_ARG_ENABLE will fill enable_python_bindings with the user choice
350 [enable_python_bindings=unspecified]
353 # Python bindings documentation
354 # Disabled by default
355 AC_ARG_ENABLE([python-bindings-doc],
356 [AC_HELP_STRING([--enable-python-bindings-doc], [build the Python bindings documentation])],
357 [], dnl AC_ARG_ENABLE will fill enable_python_bindings_doc with the user choice
358 [enable_python_bindings_doc=no]
362 # Disabled by default
363 AC_ARG_ENABLE([python-plugins],
364 [AC_HELP_STRING([--enable-python-plugins], [enable the Python plugins support for the library and converter])]
365 dnl AC_ARG_ENABLE will fill enable_python_plugins with the user choice
369 # Enabled by default, except on some platforms
370 AC_ARG_ENABLE([debug-info],
371 [AC_HELP_STRING([--disable-debug-info], [disable the debug info support (default on macOS, Solaris and Windows)])],
372 [], dnl AC_ARG_ENABLE will fill enable_debug_info with the user choice
373 [enable_debug_info="$DEFAULT_ENABLE_DEBUG_INFO"]
377 # Disabled by default
378 AC_ARG_ENABLE([api-doc],
379 [AC_HELP_STRING([--enable-api-doc], [build the HTML API documentation])],
380 [enable_api_doc=$enableval]
384 # Disabled by default
385 AC_ARG_ENABLE([built-in-plugins],
386 [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace2 executable])]
387 dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
390 # Built-in python plugin support
391 # Disabled by default
392 AC_ARG_ENABLE([built-in-python-plugin-support],
393 [AC_HELP_STRING([--enable-built-in-python-plugin-support], [Statically-link Python plugin support into the babeltrace library])]
394 dnl AC_ARG_ENABLE will fill enable_built_in_python_plugin_support with the user choice
399 AC_ARG_ENABLE([man-pages],
400 [AS_HELP_STRING([--disable-man-pages], [Do not build and install man pages (already built in a distributed tarball])],
401 [], dnl AC_ARG_ENABLE will fill enable_man_pages with the user choice
402 [enable_man_pages=yes]
406 # Set automake variables for optionnal feature conditionnals in Makefile.am
407 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], [test "x$enable_python_bindings" = xyes])
408 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], [test "x$enable_python_bindings_doc" = xyes])
409 AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], [test "x$enable_python_plugins" = xyes])
410 AM_CONDITIONAL([ENABLE_DEBUG_INFO], [test "x$enable_debug_info" = xyes])
411 AM_CONDITIONAL([ENABLE_API_DOC], [test "x$enable_api_doc" = xyes])
412 AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], [test "x$enable_built_in_plugins" = xyes])
413 AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$enable_built_in_python_plugin_support" = xyes])
414 AM_CONDITIONAL([ENABLE_MAN_PAGES], [test "x$enable_man_pages" = xyes])
415 AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], [test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes])
417 # Set defines for optionnal features conditionnals in the source code
419 ## jgalar: still used?
420 AS_IF([test "x$enable_python_plugins" = xyes],
421 [AC_DEFINE([PYTHON_PLUGINS], [1], [Python plugin support.])]
424 AS_IF([test "x$enable_debug_info" = xyes],
425 [AC_DEFINE([ENABLE_DEBUG_INFO], [1], [Define to 1 if you enable the 'debug info' feature])]
428 AS_IF([test "x$enable_built_in_plugins" = xyes],
429 [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
432 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
433 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
436 AS_IF([test "x$enable_debug_info" = xyes],
437 [ENABLE_DEBUG_INFO_VAL=1],
438 [ENABLE_DEBUG_INFO_VAL=0]
441 AC_SUBST([ENABLE_DEBUG_INFO_VAL])
443 # Check for conflicting Python related features user choices.
444 AS_IF([test "x$enable_python_plugins" = xyes],
446 AS_IF([test "x$enable_python_bindings" = xunspecified],
448 # --enable-python-plugins was provided but --enable-python-bindings was
449 # omitted. Turn the Python bindings ON anyway because it's needed to
450 # use the Python plugins.
451 enable_python_bindings=yes
454 AS_IF([test "x$enable_python_bindings" = xno],
456 # --enable-python-plugins _and_ --disable-python-bindings were
457 # used. This is invalid because Python plugins need the Python
458 # bindings to be useful.
459 AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
467 # Check for conflicting optional features user choices
469 AS_IF([test "x$enable_built_in_plugins" = xyes],
471 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
472 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
473 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
477 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
479 AS_IF([test "x$enable_python_plugins" != xyes], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
480 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
481 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
482 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
487 # Check for optionnal features dependencies
489 AS_IF([test "x$enable_python_bindings" = xyes],
490 [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
493 AM_PATH_PYTHON([3.0], [
494 AM_PATH_PYTHON_MODULES([PYTHON])
496 # pythondir is the path where extra modules are to be installed
497 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
499 # pyexecdir is the path that contains shared objects used by the extra modules
500 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
502 AS_IF([test -z "$PYTHON_CONFIG"], [
503 AC_PATH_PROGS([PYTHON_CONFIG],
504 [python$PYTHON_VERSION-config python-config],
509 AS_IF([test -n "$PYTHON_CONFIG"], [
510 AS_IF([test -z "$PYTHON_INCLUDE"], [
511 AC_MSG_CHECKING([Python include flags])
512 PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
513 AC_MSG_RESULT([$PYTHON_INCLUDE])
516 AS_IF([test -z "$PYTHON_LDFLAGS"], [
517 AC_MSG_CHECKING([Python library flags])
518 # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
519 AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
520 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
522 AC_MSG_RESULT([$PYTHON_LDFLAGS])
527 AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
528 AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
530 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
531 AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
533 AS_IF([test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes], [
534 AS_IF([test "x$have_python_dev" = xno], [
535 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
539 AS_IF([test "x$enable_python_bindings_doc" = xyes],
541 AM_CHECK_PYTHON_SPHINX([PYTHON])
542 AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno], [
543 AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])
546 AS_IF([test "x$enable_python_bindings" != xyes], [
547 AC_MSG_ERROR([The Python bindings are required to build their documentation])
552 AS_IF([test "x$enable_debug_info" = xyes],
554 # Check if libelf and libdw are present
555 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.)])
556 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.)])
557 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.)])
558 ELFUTILS_LIBS="-lelf -ldw"
561 AC_SUBST([ELFUTILS_LIBS])
563 AS_IF([test "x$enable_api_doc" = "xyes"],
565 DX_DOXYGEN_FEATURE(ON)
575 DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
576 AS_IF([test -z "$DX_DOXYGEN"],
577 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
582 have_asciidoc_xmlto=no
583 warn_prebuilt_man_pages=no
585 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
586 AC_PATH_PROG([XMLTO], [xmlto], [no])
588 AS_IF([test "x$enable_man_pages" = "xyes"], [
589 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
590 AS_IF([test "x$in_git_repo" = "xyes"], [
591 # this is an error because we're in the Git repo, which
592 # means the man pages are not already generated for us,
593 # thus asciixmlto are required because we were asked
594 # to build the man pages
596 You need asciidoc and xmlto to build the Babeltrace man pages. Use
597 --disable-man-pages to disable building the man pages, in which case
598 they will not be installed.
601 # only warn here: since we're in the tarball, the man
602 # pages should already be generated at this point, thus
603 # asciidoc/xmlto are not strictly required
604 warn_prebuilt_man_pages=yes
607 have_asciidoc_xmlto=yes
611 # export AsciiDoc and xmlto existence
612 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
614 # a wonderful hack that seems necessary because $libdir is
615 # literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
616 # by autoconf when it's not specified by the user
617 AS_IF([test "x$exec_prefix" = xNONE], [
618 AS_IF([test "x$prefix" = xNONE], [
619 PREFIX="$ac_default_prefix"
631 # CFLAGS from libraries (the glib ones are needed for the following sizeof
633 AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
635 # Check that the current size_t matches the size that glib thinks it should
636 # be. This catches problems on multi-arch where people try to do a 32-bit
637 # build while pointing at 64-bit glib headers. This is a common error because
638 # glib.h is not platform specific but it includes glibconfig.h which is and
639 # is usually installed in a non-standard path.
641 # Do this before enabling all the warning flags, as the
642 # AC_LANG_PROGRAM-generated program may generate some warning, which makes this
643 # test fail unnecessarily.
645 # Older versions of the pkg-config macros disallows PKG_* in the autoconf
646 # output. Specifically allow pkg_config_libdir to be able to print the
648 m4_pattern_allow([PKG_CONFIG_LIBDIR])
650 save_CFLAGS=${CFLAGS}
651 CFLAGS="${CFLAGS} ${AM_CFLAGS}"
657 G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
661 sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
662 PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
666 CFLAGS=${save_CFLAGS}
668 # Detect C and LD warning flags supported by the compiler.
670 # Detect warning flags supported by the compiler, append them to WARN_CFLAGS.
672 # Pass -Werror as an extra flag during the test: this is needed to make the
673 # -Wunknown-warning-option diagnostic fatal with clang.
674 AX_APPEND_COMPILE_FLAGS([ dnl
677 -Wstrict-prototypes dnl
678 -Wmissing-prototypes dnl
679 -Wmissing-declarations dnl
680 -Wnull-dereference dnl
682 -Wredundant-decls dnl
684 -Wjump-misses-init dnl
685 -Wsuggest-attribute=format dnl
686 -Wtautological-constant-out-of-range-compare dnl
690 -Wstrict-aliasing dnl
691 -Wmissing-noreturn dnl
693 -Wduplicated-cond dnl
694 -Wduplicated-branches dnl
696 -Wno-unused-parameter dnl
697 -Wno-sign-compare dnl
699 dnl Some versions of SWIG (like 3.0.12) generate code that produces
700 dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
701 dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
702 dnl 4.0.1) have the correct function signatures to not produce this warning.
703 dnl It's simpler to just disable the warning globally.
705 dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
706 dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
707 dnl reproduce the warning using that package.
709 dnl Ref: https://github.com/swig/swig/issues/1259
710 -Wno-cast-function-type dnl
711 -Wno-missing-field-initializers dnl
716 # When given, add -Werror to WARN_CFLAGS.
717 AC_ARG_ENABLE([Werror],
718 [AS_HELP_STRING([--enable-Werror], [Treat compiler warnings as errors.])]
720 AS_IF([test "x$enable_Werror" = "xyes"],
721 [WARN_CFLAGS="${WARN_CFLAGS} -Werror"]
724 # The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
725 # written in such a way that it triggers a -Wold-style-definition warning. So
726 # this warning always ends up disabled if we put it there, because the test
727 # program does not build.
729 # Enable it here unconditionally. It is supported by GCC >= 4.8 and by Clang
730 # (it is accepted for compatibility although it has no effect), and there is
731 # not reason to not want it.
733 WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition"
735 # CFLAGS from AX_APPEND_COMPILE_FLAGS.
736 AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
738 # Done for AM_CFLAGS.
741 # Set global CPPFLAGS in AM_CPPFLAGS
742 AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
743 AC_SUBST(AM_CPPFLAGS)
745 # Add glib to global link libs
746 LIBS="$LIBS $GLIB_LIBS"
748 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
749 # to rename babeltrace2.bin to babeltrace2 at install time.
750 program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
751 AC_SUBST(program_transform_name)
755 doc/api/libbabeltrace2/Doxyfile
756 doc/api/libbabeltrace2/Makefile
757 doc/bindings/Makefile
758 doc/bindings/python/Makefile
759 doc/contributing-images/Makefile
761 doc/man/asciidoc-attrs.conf
766 src/autodisc/Makefile
767 src/babeltrace2-ctf-writer.pc
769 src/bindings/Makefile
770 src/bindings/python/bt2/bt2/version.py
771 src/bindings/python/bt2/Makefile
772 src/bindings/python/bt2/setup.py
773 src/bindings/python/Makefile
778 src/ctf-writer/Makefile
779 src/fd-cache/Makefile
780 src/lib/graph/Makefile
781 src/lib/graph/message/Makefile
783 src/lib/plugin/Makefile
784 src/lib/prio-heap/Makefile
785 src/lib/trace-ir/Makefile
788 src/plugins/common/Makefile
789 src/plugins/common/muxing/Makefile
790 src/plugins/common/param-validation/Makefile
791 src/plugins/ctf/common/bfcr/Makefile
792 src/plugins/ctf/common/Makefile
793 src/plugins/ctf/common/metadata/Makefile
794 src/plugins/ctf/common/msg-iter/Makefile
795 src/plugins/ctf/fs-sink/Makefile
796 src/plugins/ctf/fs-src/Makefile
797 src/plugins/ctf/lttng-live/Makefile
798 src/plugins/ctf/Makefile
799 src/plugins/lttng-utils/debug-info/Makefile
800 src/plugins/lttng-utils/Makefile
802 src/plugins/text/dmesg/Makefile
803 src/plugins/text/Makefile
804 src/plugins/text/pretty/Makefile
805 src/plugins/text/details/Makefile
806 src/plugins/utils/counter/Makefile
807 src/plugins/utils/dummy/Makefile
808 src/plugins/utils/Makefile
809 src/plugins/utils/muxer/Makefile
810 src/plugins/utils/trimmer/Makefile
811 src/py-common/Makefile
812 src/python-plugin-provider/Makefile
813 src/param-parse/Makefile
814 src/string-format/Makefile
815 tests/bitfield/Makefile
816 tests/ctf-writer/Makefile
818 tests/lib/test-plugin-plugins/Makefile
820 tests/param-validation/Makefile
821 tests/plugins/Makefile
822 tests/plugins/src.ctf.fs/Makefile
823 tests/plugins/src.ctf.fs/succeed/Makefile
824 tests/plugins/sink.ctf.fs/Makefile
825 tests/plugins/sink.ctf.fs/succeed/Makefile
826 tests/plugins/flt.lttng-utils.debug-info/Makefile
827 tests/plugins/flt.utils.muxer/Makefile
828 tests/plugins/flt.utils.muxer/succeed/Makefile
829 tests/plugins/flt.utils.trimmer/Makefile
831 tests/utils/tap/Makefile
837 # Mini-report on what will be built.
846 AS_IF([test -n "bt_version_name"], [
847 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
849 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
854 AS_IF([test -n "$bt_version_description"], [
855 AS_IF([test -n "$report_fold"], [
856 AS_ECHO("`AS_ECHO("$bt_version_description") | $report_fold -s`")
858 AS_ECHO("$bt_version_description")
864 PPRINT_SUBTITLE([System])
866 # Target architecture we're building for.
867 target_arch=$host_cpu
870 if test $f = "-m32"; then
872 elif test $f = "-m64"; then
878 PPRINT_PROP_STRING([Target architecture], $target_arch)
881 PPRINT_SUBTITLE([Python 3 language support])
882 test "x$have_python" = "xyes" && value=1 || value=0
883 PPRINT_PROP_BOOL([Have Python interpreter], $value)
884 test "x$have_python_dev" = "xyes" && value=1 || value=0
885 PPRINT_PROP_BOOL([Have Python development libraries], $value)
886 test "x$enable_python_bindings" = "xyes" && value=1 || value=0
887 PPRINT_PROP_BOOL_CUSTOM([Python bindings], $value, [To enable, use --enable-python-bindings])
888 test "x$enable_python_plugins" = "xyes" && value=1 || value=0
889 PPRINT_PROP_BOOL_CUSTOM([Python plugin support], $value, [To enable, use --enable-python-plugins])
890 AS_IF([test "x$have_python" = "xyes"], [
891 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
893 AS_IF([test "x$have_python_dev" = "xyes"], [
894 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
895 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
896 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
898 AS_IF([test "x$enable_python_bindings" = "xyes"], [
899 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
900 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
904 PPRINT_SUBTITLE([Plugins])
905 PPRINT_PROP_BOOL(['ctf' plugin], 1)
906 test "x$enable_debug_info" = "xyes" && value=1 || value=0
907 PPRINT_PROP_BOOL_CUSTOM(['lttng-utils' plugin], $value, [To enable, use --enable-debug-info])
908 PPRINT_PROP_BOOL(['text' plugin], 1)
909 PPRINT_PROP_BOOL(['utils' plugin], 1)
912 PPRINT_SUBTITLE([Built-in features])
913 test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
914 PPRINT_PROP_BOOL_CUSTOM([Built-in plugins], $value, [To enable, use --enable-built-in-plugins])
915 test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
916 PPRINT_PROP_BOOL_CUSTOM([Built-in Python plugin support], $value, [To enable, use --enable-built-in-python-plugin-support])
919 PPRINT_SUBTITLE([Documentation])
921 # man pages build enabled/disabled
922 m4_pushdef([build_man_pages_msg], [Build and install man pages])
924 AS_IF([test "x$enable_man_pages" != "xno"], [
925 AS_IF([test "x$in_git_repo" = "xyes"], [
926 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
928 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
929 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
931 PPRINT_PROP_STRING([build_man_pages_msg],
932 [${PPRINT_COLOR_BLDGRN}yes (already built)],
933 $PPRINT_COLOR_SUBTITLE)
937 PPRINT_PROP_BOOL_CUSTOM([build_man_pages_msg], 0, [To build man pages, use --enable-man-pages])
940 m4_popdef([build_man_pages_msg])
942 test "x$enable_api_doc" = "xyes" && value=1 || value=0
943 PPRINT_PROP_BOOL_CUSTOM([HTML API documentation], $value, [To build documentation, use --enable-api-doc])
944 test "x$enable_python_bindings_doc" = "xyes" && value=1 || value=0
945 PPRINT_PROP_BOOL_CUSTOM([Python bindings documentation], $value, [To build the Python bindings documentation, use --enable-python-bindings-doc])
948 PPRINT_SUBTITLE([Logging])
949 PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
952 PPRINT_SUBTITLE([Special build modes])
953 PPRINT_PROP_BOOL_CUSTOM([Debug mode], $BABELTRACE_DEBUG_MODE, [To enable, set the BABELTRACE_DEBUG_MODE environment variable to 1])
954 PPRINT_PROP_BOOL_CUSTOM([Developer mode], $BABELTRACE_DEV_MODE, [To enable, set the BABELTRACE_DEV_MODE environment variable to 1])
956 report_bindir="`eval eval echo $bindir`"
957 report_libdir="`eval eval echo $libdir`"
958 report_sysconfdif="`eval eval echo $sysconfdir`"
959 report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
960 report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
962 # Print the bindir and libdir this `make install' will install into.
964 PPRINT_SUBTITLE([Install directories])
965 PPRINT_PROP_STRING([Binaries], [$report_bindir])
966 PPRINT_PROP_STRING([Libraries], [$report_libdir])
967 PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
968 PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
969 PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])