python: replace distutils with setuptools
[babeltrace.git] / configure.ac
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1dnl SPDX-License-Identifier: MIT
2dnl
3dnl Copyright (C) 2017 EfficiOS, Inc.
4dnl
5dnl Process this file with autoconf to produce a configure script.
6
7# Project version information
8m4_define([bt_version_major], [2])
9m4_define([bt_version_minor], [1])
10m4_define([bt_version_patch], [0])
11m4_define([bt_version_dev_stage], [-rc1])
12m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_dev_stage)
13m4_define([bt_version_name], [[Codename TBD]])
14m4_define([bt_version_description], [[Description TBD]])
15
16# Library version information of "libbabeltrace2"
17# Following the numbering scheme proposed by libtool for the library version
18# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
19m4_define([bt_lib_version_current], [0])
20m4_define([bt_lib_version_revision], [0])
21m4_define([bt_lib_version_age], [0])
22m4_define([bt_lib_version], bt_lib_version_current[:]bt_lib_version_revision[:]bt_lib_version_age)
23
24
25## ##
26## Autoconf base setup ##
27## ##
28
29AC_PREREQ([2.69])
30AC_INIT([babeltrace2],[bt_version],[jeremie dot galarneau at efficios dot com],[],[https://efficios.com/babeltrace/])
31
32AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_lib_version)
33
34AC_CONFIG_HEADERS([src/common/config.h])
35AC_CONFIG_AUX_DIR([config])
36AC_CONFIG_MACRO_DIR([m4])
37
38AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
39AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
40AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
41AC_DEFINE([BT_VERSION_DEV_STAGE], ["]bt_version_dev_stage["], [Babeltrace version development stage (can be empty)])
42AC_DEFINE([BT_VERSION_NAME], ["]bt_version_name["], [Babeltrace version name])
43AC_DEFINE([BT_VERSION_DESCRIPTION], ["]AS_ESCAPE(bt_version_description)["], [Babeltrace version description])
44
45AC_CANONICAL_TARGET
46AC_CANONICAL_HOST
47
48
49## ##
50## Automake base setup ##
51## ##
52
53AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc -Wall -Wno-portability -Werror])
54AM_MAINTAINER_MODE([enable])
55
56# Enable silent rules by default
57AM_SILENT_RULES([yes])
58
59
60## ##
61## OS specific defaults ##
62## ##
63
64MINGW32=no
65LT_NO_UNDEFINED=""
66AS_CASE([$host_os],
67 [solaris*|darwin*],
68 [
69 AE_FEATURE_DISABLE([debug-info])
70 ],
71 [freebsd*],
72 [
73 AE_FEATURE_DISABLE([debug-info])
74 ],
75 [cygwin*],
76 [
77 AE_FEATURE_DISABLE([debug-info])
78 LT_NO_UNDEFINED="-no-undefined"
79 ],
80 [mingw*],
81 [
82 MINGW32=yes
83 AE_FEATURE_DISABLE([debug-info])
84 LT_NO_UNDEFINED="-no-undefined"
85 ]
86)
87
88AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
89AC_SUBST(LT_NO_UNDEFINED)
90
91
92## ##
93## C compiler checks ##
94## ##
95
96# Choose the C compiler
97AC_PROG_CC
98# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
99m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
100
101# Make sure the C compiler supports C99
102AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
103
104# Enable available system extensions and LFS support
105AC_USE_SYSTEM_EXTENSIONS
106AC_SYS_LARGEFILE
107
108# Make sure the C compiler supports __attributes__
109AX_C___ATTRIBUTE__
110AS_IF([test "x$ax_cv___attribute__" != "xyes"],
111 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
112
113# Make sur we have pthread support
114AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
115
116# Checks for typedefs, structures, and compiler characteristics.
117AC_C_INLINE
118AC_C_TYPEOF
119AC_TYPE_INT16_T
120AC_TYPE_INT32_T
121AC_TYPE_INT64_T
122AC_TYPE_INT8_T
123AC_TYPE_OFF_T
124AC_TYPE_PID_T
125AC_TYPE_SIZE_T
126AC_TYPE_SSIZE_T
127AC_TYPE_UINT16_T
128AC_TYPE_UINT32_T
129AC_TYPE_UINT64_T
130AC_TYPE_UINT8_T
131AC_CHECK_TYPES([ptrdiff_t])
132
133
134## ##
135## C++ compiler checks ##
136## ##
137
138# Require a C++11 compiler without GNU extensions (-std=c++11)
139AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
140
141
142## ##
143## Header checks ##
144## ##
145
146AC_HEADER_STDBOOL
147AC_CHECK_HEADERS([ \
148 fcntl.h \
149 float.h \
150 ftw.h \
151 libintl.h \
152 limits.h \
153 malloc.h \
154 netdb.h \
155 netinet/in.h \
156 stddef.h \
157 sys/socket.h \
158 sys/time.h
159])
160
161
162## ##
163## Linker checks ##
164## ##
165
166# Check if the linker supports no-as-needed
167AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
168AC_SUBST([LD_NO_AS_NEEDED])
169
170# Check if the linker supports whole-archive
171AX_CHECK_LINK_FLAG([-Wl,--whole-archive,--no-whole-archive],
172 [
173 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,--whole-archive,])
174 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [,--no-whole-archive])
175 ],[
176 # Fallback to force_load for the macOS linker
177 AX_CHECK_LINK_FLAG([-Wl,-force_load],
178 [
179 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,-force_load,])
180 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [])
181 ],[
182 AC_MSG_WARN([Can't find a linker option to force the inclusion of the static plugin archive objects.])
183 ]
184 )
185 ]
186)
187
188# Check if the linker supports the "notext" keyword
189AX_CHECK_LINK_FLAG([-Wl,-z,notext],[
190 AC_SUBST([LD_NOTEXT], [-Wl,-z,notext])
191])
192
193
194## ##
195## Programs checks ##
196## ##
197
198AM_PROG_AR
199AC_PROG_MAKE_SET
200AC_PROG_MKDIR_P
201AC_PROG_LN_S
202AC_PROG_SED
203AC_CHECK_PROGS([FOLD], [fold])
204AC_CHECK_PROGS([ASCIIDOC], [asciidoc])
205AC_CHECK_PROGS([XMLTO], [xmlto])
206
207# check for bison
208AC_PROG_YACC
209AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
210
211AS_IF([test "x$have_bison" != "xyes"], [
212 AE_IF_IN_GIT_REPO([
213 AC_MSG_FAILURE([dnl
214Bison >= 2.4 is required when building from the Git repository. You can
215set the YACC variable to override automatic detection.
216 ])
217 ], [
218 AC_MSG_WARN([dnl
219Missing Bison >= 2.4. Note that the parser files are already built in
220this distribution tarball, so Bison is only needed if you intend to
221modify their sources. You can set the YACC variable to override automatic
222detection.
223 ])
224 ])
225])
226AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
227
228# check for flex
229# Prior to autoconf 2.70, AC_PROG_FLEX did not take an argument. This is not a
230# problem since the argument is silently ignored by older versions.
231AC_PROG_LEX([noyywrap])
232AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
233
234AS_IF([test "x$have_flex" != "xyes"], [
235 AE_IF_IN_GIT_REPO([
236 AC_MSG_FAILURE([dnl
237Flex >= 2.5.35 is required when building from the Git repository. You can
238set the LEX variable to override automatic detection.
239 ])
240 ], [
241 AC_MSG_WARN([dnl
242Missing Flex >= 2.5.35. Note that the lexer files are already built in
243this distribution tarball, so Flex is only needed if you intend to
244modify their sources. You can set the LEX variable to override automatic
245detection.
246 ])
247 ])
248])
249AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
250
251# Always check for python, we will fail later if some features require it and
252# it's unavailable.
253AM_PATH_PYTHON([3.0], [
254 AE_PATH_PYTHON_MODULES([PYTHON])
255
256 # pythondir is the path where extra modules are to be installed
257 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
258
259 # pyexecdir is the path that contains shared objects used by the extra modules
260 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
261
262 # If no PYTHON_CONFIG was specified by the user, try to find it, starting
263 # with the one specific to the configured python version.
264 AS_IF([test "x$PYTHON_CONFIG" = "x"], [
265 AC_CHECK_PROGS([PYTHON_CONFIG], [python$PYTHON_VERSION-config python-config])
266 ])
267
268 # If PYTHON_CONFIG is set use it to get the includes and ld flags, unless
269 # they were specified by the user.
270 AS_IF([test "x$PYTHON_CONFIG" != "x" ], [
271 AS_IF([test "x$PYTHON_INCLUDE" = "x"], [
272 AC_MSG_CHECKING([Python include flags])
273 PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
274 AC_MSG_RESULT([$PYTHON_INCLUDE])
275 ])
276
277 AS_IF([test "x$PYTHON_LDFLAGS" = "x"], [
278 AC_MSG_CHECKING([Python library flags])
279 # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
280 AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
281 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
282 ])
283 AC_MSG_RESULT([$PYTHON_LDFLAGS])
284 ])
285 ])
286], [:])
287
288# Initialize and configure libtool
289LT_INIT([win32-dll])
290
291
292## ##
293## Library checks ##
294## ##
295
296# Check what libraries are required on this platform to link sockets programs.
297AX_LIB_SOCKET_NSL
298
299# Check for glib >= 2.28 with gmodule support
300AM_PATH_GLIB_2_0([2.28.0], [],
301 AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
302 [gmodule-no-export]
303)
304
305# Checks for library functions.
306AC_FUNC_ALLOCA
307AC_FUNC_FORK
308AC_FUNC_MKTIME
309AC_FUNC_MMAP
310AC_FUNC_STRERROR_R
311AC_FUNC_STRNLEN
312AC_CHECK_FUNCS([ \
313 atexit \
314 dup2 \
315 ftruncate \
316 gethostbyname \
317 gettimeofday \
318 localtime_r \
319 memchr \
320 memset \
321 mkdir \
322 mkdtemp \
323 munmap \
324 rmdir \
325 setenv \
326 socket \
327 strchr \
328 strdup \
329 strerror \
330 strndup \
331 strnlen \
332 strrchr \
333 strstr \
334 strtoul \
335 strtoull \
336 tzset \
337])
338
339# AC_FUNC_MALLOC causes problems when cross-compiling.
340#AC_FUNC_MALLOC
341#AC_FUNC_REALLOC
342
343# Check for fmemopen
344AC_CHECK_LIB([c], [fmemopen],
345 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
346)
347
348# Check for open_memstream
349AC_CHECK_LIB([c], [open_memstream],
350 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
351)
352
353# Check for posix_fallocate
354AC_CHECK_LIB([c], [posix_fallocate],
355 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
356)
357
358
359## ##
360## User variables ##
361## ##
362
363AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
364AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
365AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
366
367# BABELTRACE_PLUGINS_DIR: Plugins directory
368AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
369AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
370
371# BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
372AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
373AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
374
375# BABELTRACE_MINIMAL_LOG_LEVEL:
376AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
377AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = x], [BABELTRACE_MINIMAL_LOG_LEVEL="DEBUG"])
378AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "TRACE" && \
379 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && \
380 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO"],
381 [AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use TRACE, DEBUG, or INFO.])]
382)
383AC_DEFINE_UNQUOTED([BT_MINIMAL_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
384
385# BABELTRACE_DEV_MODE:
386AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
387AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
388 AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
389], [BABELTRACE_DEV_MODE=0])
390AM_CONDITIONAL([DEV_MODE], [test "x$BABELTRACE_DEV_MODE" = x1])
391
392# BABELTRACE_DEBUG_MODE:
393AC_ARG_VAR([BABELTRACE_DEBUG_MODE], [Set to 1 to enable the Babeltrace debug mode (enables internal assertions for Babeltrace maintainers)])
394AS_IF([test "x$BABELTRACE_DEBUG_MODE" = x1], [
395 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
396], [BABELTRACE_DEBUG_MODE=0])
397
398
399## ##
400## Optionnal features selection ##
401## ##
402
403# Python bindings
404# Disabled by default
405AE_FEATURE_DEFAULT_DISABLE
406AE_FEATURE([python-bindings],[build the Python bindings])
407
408# Python bindings documentation
409# Disabled by default
410AE_FEATURE_DEFAULT_DISABLE
411AE_FEATURE([python-bindings-doc],[build the Python bindings documentation])
412
413# Python plugins
414# Disabled by default
415AE_FEATURE_DEFAULT_DISABLE
416AE_FEATURE([python-plugins],[enable the Python plugins support for the library and converter])
417
418# Debug info
419# Enabled by default, except on some platforms
420AE_FEATURE_DEFAULT_ENABLE
421AE_FEATURE([debug-info],[disable the debug info support (default on macOS, Solaris and Windows)])
422
423# API documentation
424# Disabled by default
425AE_FEATURE_DEFAULT_DISABLE
426AE_FEATURE([api-doc],[build the HTML API documentation])
427
428# Built-in plugins
429# Disabled by default
430AE_FEATURE_DEFAULT_DISABLE
431AE_FEATURE([built-in-plugins],[Statically-link in-tree plug-ins into the babeltrace2 executable])
432
433# Built-in python plugin support
434# Disabled by default
435AE_FEATURE_DEFAULT_DISABLE
436AE_FEATURE([built-in-python-plugin-support],[Statically-link Python plugin support into the babeltrace library])
437
438# Man pages
439# Enabled by default
440AE_FEATURE_DEFAULT_ENABLE
441AE_FEATURE([man-pages],[Do not build and install man pages (already built in a distributed tarball])
442
443# When given, add -Werror to WARN_CFLAGS and WARN_CXXFLAGS.
444# Disabled by default
445AE_FEATURE_DEFAULT_DISABLE
446AE_FEATURE([Werror],[Treat compiler warnings as errors.])
447
448# When given, build with AddressSanitizer.
449AE_FEATURE_DEFAULT_DISABLE
450AE_FEATURE([asan],[Build with AddressSanitizer.])
451
452## ##
453## Check for conflicting features selection ##
454## ##
455
456# Check for conflicting Python related features user choices.
457AE_IF_FEATURE_ENABLED([python-plugins], [
458 AE_IF_FEATURE_UNDEF([python-bindings], [
459 # --enable-python-plugins was provided but --enable-python-bindings was
460 # omitted. Turn the Python bindings ON anyway because it's needed to
461 # use the Python plugins.
462 AE_FEATURE_ENABLE([python-bindings])
463 ], [
464 AE_IF_FEATURE_DISABLED([python-bindings], [
465 # --enable-python-plugins _and_ --disable-python-bindings were
466 # used. This is invalid because Python plugins need the Python
467 # bindings to be useful.
468 AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
469 ])
470 ])
471])
472
473# Check for conflicting optional features user choices
474AE_IF_FEATURE_ENABLED([built-in-plugins], [
475 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
476 AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
477 AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
478])
479
480AE_IF_FEATURE_ENABLED([built-in-python-plugin-support], [
481 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])])
482 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
483 AE_IF_FEATURE_NOT_ENABLED([static], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
484 AE_IF_FEATURE_ENABLED([shared], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
485])
486
487
488## ##
489## Set automake variables for optional feature conditionnals in Makefile.am ##
490## ##
491
492AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], AE_IS_FEATURE_ENABLED([python-bindings]))
493AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], AE_IS_FEATURE_ENABLED([python-bindings-doc]))
494AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], AE_IS_FEATURE_ENABLED([python-plugins]))
495AM_CONDITIONAL([ENABLE_DEBUG_INFO], AE_IS_FEATURE_ENABLED([debug-info]))
496AM_CONDITIONAL([ENABLE_API_DOC], AE_IS_FEATURE_ENABLED([api-doc]))
497AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], AE_IS_FEATURE_ENABLED([built-in-plugins]))
498AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], AE_IS_FEATURE_ENABLED([built-in-python-plugin-support]))
499AM_CONDITIONAL([ENABLE_MAN_PAGES], AE_IS_FEATURE_ENABLED([man-pages]))
500AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins]))
501AM_CONDITIONAL([ENABLE_ASAN], AE_IS_FEATURE_ENABLED([asan]))
502
503
504## ##
505## Set defines for optional features conditionnals in the source code ##
506## ##
507
508AE_IF_FEATURE_ENABLED([built-in-plugins],
509 [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
510)
511
512AE_IF_FEATURE_ENABLED([built-in-python-plugin-support],
513 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
514)
515
516AE_IF_FEATURE_ENABLED([debug-info], [ENABLE_DEBUG_INFO_VAL=1], [ENABLE_DEBUG_INFO_VAL=0])
517AC_SUBST([ENABLE_DEBUG_INFO_VAL])
518
519AE_IF_FEATURE_ENABLED([asan], [ENABLE_ASAN=1], [ENABLE_ASAN=0])
520AC_SUBST([ENABLE_ASAN])
521
522## ##
523## Check for optional features dependencies ##
524## ##
525
526# The Python bindings require SWIG
527AE_IF_FEATURE_ENABLED([python-bindings],
528 [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
529)
530
531AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
532AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
533
534AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
535AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
536
537AS_IF([AE_IS_FEATURE_ENABLED([python-bindings]) || AE_IS_FEATURE_ENABLED([python-plugins])], [
538 AS_IF([test "x$have_python_dev" = xno], [
539 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
540 ])
541
542 AX_COMPARE_VERSION(["$PYTHON_VERSION"], [ge], ["3.12"], [
543 AC_MSG_CHECKING([for python setuptools])
544 AS_IF(["$PYTHON" -c "import setuptools" 2>/dev/null], [
545 AC_MSG_RESULT([yes])
546 ], [
547 AC_MSG_RESULT([no])
548 AC_MSG_ERROR([Python >= 3.12 removed 'distutils', the 'setuptools' module needs to be installed for the selected interpreter.])
549 ])
550 ])
551])
552
553AE_IF_FEATURE_ENABLED([python-bindings-doc],
554 [
555 AE_CHECK_PYTHON_SPHINX([PYTHON])
556 AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno], [
557 AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])
558 ])
559
560 AE_IF_FEATURE_NOT_ENABLED([python-bindings], [
561 AC_MSG_ERROR([The Python bindings are required to build their documentation])
562 ])
563 ]
564)
565
566AE_IF_FEATURE_ENABLED([debug-info], [
567 # Check if libelf and libdw are present
568 PKG_CHECK_MODULES([ELFUTILS], [libelf >= 0.154 libdw >= 0.154],
569 [
570 dnl PKG_CHECK_MODULES defines ELFUTILS_LIBS
571 ],
572 [
573 AC_MSG_WARN([pkg-config was unable to find a valid .pc for libelf/libdw. Set PKG_CONFIG_PATH to specify the pkg-config configuration file location.])
574
575 # Turns out SLES12 doesn't bother shipping .pc file for libelf
576 AC_MSG_WARN([Finding libelf without pkg-config.])
577 AC_CHECK_LIB([elf], [elf_version], [:], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
578 AC_CHECK_LIB([dw], [dwarf_begin], [:], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
579 AE_LIB_ELFUTILS([0], [154], [], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
580 ELFUTILS_LIBS="-lelf -ldw"
581 ])
582])
583AC_SUBST([ELFUTILS_LIBS])
584
585AE_IF_FEATURE_ENABLED([api-doc],
586 [
587 DX_DOXYGEN_FEATURE(ON)
588 DX_DOT_FEATURE(OFF)
589 DX_HTML_FEATURE(ON)
590 DX_CHM_FEATURE(OFF)
591 DX_CHI_FEATURE(OFF)
592 DX_MAN_FEATURE(OFF)
593 DX_RTF_FEATURE(OFF)
594 DX_XML_FEATURE(OFF)
595 DX_PDF_FEATURE(OFF)
596 DX_PS_FEATURE(OFF)
597 DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
598 AS_IF([test -z "$DX_DOXYGEN"],
599 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
600 )
601 ]
602)
603
604have_asciidoc_xmlto=no
605warn_prebuilt_man_pages=no
606
607AE_IF_FEATURE_ENABLED([man-pages], [
608 AS_IF([test "x$ASCIIDOC" = "x" || test "x$XMLTO" = "x"], [
609 AE_IF_IN_GIT_REPO([
610 # this is an error because we're in the Git repo, which
611 # means the man pages are not already generated for us,
612 # thus asciixmlto are required because we were asked
613 # to build the man pages
614 AC_MSG_ERROR([
615You need asciidoc and xmlto to build the Babeltrace man pages. Use
616--disable-man-pages to disable building the man pages, in which case
617they will not be installed.
618 ])
619 ], [
620 # only warn here: since we're in the tarball, the man
621 # pages should already be generated at this point, thus
622 # asciidoc/xmlto are not strictly required
623 warn_prebuilt_man_pages=yes
624 ])
625 ], [
626 have_asciidoc_xmlto=yes
627 ])
628])
629
630# export AsciiDoc and xmlto existence
631AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
632
633# a wonderful hack that seems necessary because $libdir is
634# literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
635# by autoconf when it's not specified by the user
636AS_IF([test "x$exec_prefix" = xNONE], [
637 AS_IF([test "x$prefix" = xNONE], [
638 PREFIX="$ac_default_prefix"
639 ], [
640 PREFIX="$prefix"
641 ])
642
643 LIBDIR="$PREFIX/lib"
644], [
645 LIBDIR="$libdir"
646])
647
648AC_SUBST(LIBDIR)
649
650# If --enable-asan is used...
651AE_IF_FEATURE_ENABLED([asan], [
652 # ... add -fsanitize=address to the *FLAGS variables.
653 ASAN_CFLAGS="-fsanitize=address"
654 ASAN_CXXFLAGS="-fsanitize=address"
655 ASAN_LDFLAGS="-fsanitize=address"
656])
657
658
659
660# CFLAGS from libraries (the glib ones are needed for the following sizeof
661# test).
662AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS}"
663AM_CXXFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CXXFLAGS}"
664AM_LDFLAGS="${ASAN_LDFLAGS}"
665
666# Check that the current size_t matches the size that glib thinks it should
667# be. This catches problems on multi-arch where people try to do a 32-bit
668# build while pointing at 64-bit glib headers. This is a common error because
669# glib.h is not platform specific but it includes glibconfig.h which is and
670# is usually installed in a non-standard path.
671
672# Do this before enabling all the warning flags, as the
673# AC_LANG_PROGRAM-generated program may generate some warning, which makes this
674# test fail unnecessarily.
675
676# Older versions of the pkg-config macros disallows PKG_* in the autoconf
677# output. Specifically allow pkg_config_libdir to be able to print the
678# error message.
679m4_pattern_allow([PKG_CONFIG_LIBDIR])
680
681save_CFLAGS=${CFLAGS}
682CFLAGS="${CFLAGS} ${AM_CFLAGS}"
683AC_COMPILE_IFELSE([
684 AC_LANG_PROGRAM([dnl
685#include <glib.h>
686#include <unistd.h>
687 ], [dnl
688G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
689 ])
690],[:],[
691 AC_MSG_ERROR([dnl
692sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
693PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
694target.
695 ])
696])
697CFLAGS=${save_CFLAGS}
698
699# Detect C and LD warning flags supported by the compiler.
700
701# Detect warning flags supported by the C and C++ compilers and append them to
702# WARN_CFLAGS and WARN_CXXFLAGS.
703#
704m4_define([WARN_FLAGS_LIST], [ dnl
705 -Wall dnl
706 -Wextra dnl
707 -Wmissing-prototypes dnl
708 -Wmissing-declarations dnl
709 -Wnull-dereference dnl
710 -Wundef dnl
711 -Wredundant-decls dnl
712 -Wshadow dnl
713 dnl GCC's -Wshadow warns about constructor parameters shadowing fields, but
714 dnl Clang's does not. Enable Clang's `-Wshadow-field-in-constructor`, to make
715 dnl Clang warn about that.
716 -Wshadow-field-in-constructor dnl
717 -Wshadow-field dnl
718 -Wjump-misses-init dnl
719 -Wsuggest-attribute=format dnl
720 -Wtautological-constant-out-of-range-compare dnl
721 -Wnested-externs dnl
722 -Wwrite-strings dnl
723 -Wformat=2 dnl
724 -Wstrict-aliasing dnl
725 -Wmissing-noreturn dnl
726 -Winit-self dnl
727 -Wduplicated-cond dnl
728 -Wduplicated-branches dnl
729 -Wlogical-op dnl
730 -Wsuggest-override dnl
731 -Wno-unused-parameter dnl
732 -Wno-sign-compare dnl
733 dnl
734 dnl Some versions of SWIG (like 3.0.12) generate code that produces
735 dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
736 dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
737 dnl 4.0.1) have the correct function signatures to not produce this warning.
738 dnl It's simpler to just disable the warning globally.
739 dnl
740 dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
741 dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
742 dnl reproduce the warning using that package.
743 dnl
744 dnl Ref: https://github.com/swig/swig/issues/1259
745 -Wno-cast-function-type dnl
746 -Wno-missing-field-initializers dnl
747 -Wno-maybe-uninitialized dnl
748])
749
750# Pass -Werror as an extra flag during the test: this is needed to make the
751# -Wunknown-warning-option diagnostic fatal with clang.
752AC_LANG([C++])
753AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CXXFLAGS], [-Werror])
754AC_LANG([C])
755AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CFLAGS], [-Werror])
756
757AE_IF_FEATURE_ENABLED([Werror], [WARN_CXXFLAGS="${WARN_CXXFLAGS} -Werror"])
758AE_IF_FEATURE_ENABLED([Werror], [WARN_CFLAGS="${WARN_CFLAGS} -Werror"])
759
760# The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
761# written in such a way that it triggers warnings with the following warning
762# flags. So they would always end up disabled if we put them there, because
763# the test program would not build.
764#
765# Enable them here unconditionally. They are supported by GCC >= 4.8 and by
766# Clang >= 3.3 (required by the project) and are only valid for C code.
767WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition -Wstrict-prototypes"
768
769# CFLAGS from AX_APPEND_COMPILE_FLAGS.
770AM_CXXFLAGS="${AM_CXXFLAGS} ${WARN_CXXFLAGS}"
771AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
772
773# Done for AM_CXXFLAGS, AM_CFLAGS and AM_LDFLAGS.
774AC_SUBST(AM_CXXFLAGS)
775AC_SUBST(AM_CFLAGS)
776AC_SUBST(AM_LDFLAGS)
777
778# Set global CPPFLAGS in AM_CPPFLAGS
779AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
780AC_SUBST(AM_CPPFLAGS)
781
782# Add glib to global link libs
783LIBS="$LIBS $GLIB_LIBS"
784
785# Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
786# to rename babeltrace2.bin to babeltrace2 at install time.
787program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
788AC_SUBST(program_transform_name)
789
790AC_CONFIG_FILES([
791 doc/api/Makefile
792 doc/api/libbabeltrace2/Doxyfile
793 doc/api/libbabeltrace2/Makefile
794 doc/bindings/Makefile
795 doc/bindings/python/Makefile
796 doc/contributing-images/Makefile
797 doc/Makefile
798 doc/man/asciidoc-attrs.conf
799 doc/man/Makefile
800 include/Makefile
801 Makefile
802 src/argpar/Makefile
803 src/autodisc/Makefile
804 src/babeltrace2-ctf-writer.pc
805 src/babeltrace2.pc
806 src/bindings/Makefile
807 src/bindings/python/bt2/bt2/version.py
808 src/bindings/python/bt2/Makefile
809 src/bindings/python/bt2/setup.py
810 src/bindings/python/Makefile
811 src/cli/Makefile
812 src/common/Makefile
813 src/cpp-common/Makefile
814 src/compat/Makefile
815 src/ctfser/Makefile
816 src/ctf-writer/Makefile
817 src/fd-cache/Makefile
818 src/lib/graph/Makefile
819 src/lib/graph/message/Makefile
820 src/lib/Makefile
821 src/lib/plugin/Makefile
822 src/lib/prio-heap/Makefile
823 src/lib/trace-ir/Makefile
824 src/logging/Makefile
825 src/Makefile
826 src/plugins/common/Makefile
827 src/plugins/common/muxing/Makefile
828 src/plugins/common/param-validation/Makefile
829 src/plugins/ctf/common/bfcr/Makefile
830 src/plugins/ctf/common/Makefile
831 src/plugins/ctf/common/metadata/Makefile
832 src/plugins/ctf/common/msg-iter/Makefile
833 src/plugins/ctf/fs-sink/Makefile
834 src/plugins/ctf/fs-src/Makefile
835 src/plugins/ctf/lttng-live/Makefile
836 src/plugins/ctf/Makefile
837 src/plugins/lttng-utils/debug-info/Makefile
838 src/plugins/lttng-utils/Makefile
839 src/plugins/Makefile
840 src/plugins/text/dmesg/Makefile
841 src/plugins/text/Makefile
842 src/plugins/text/pretty/Makefile
843 src/plugins/text/details/Makefile
844 src/plugins/utils/counter/Makefile
845 src/plugins/utils/dummy/Makefile
846 src/plugins/utils/Makefile
847 src/plugins/utils/muxer/Makefile
848 src/plugins/utils/trimmer/Makefile
849 src/py-common/Makefile
850 src/python-plugin-provider/Makefile
851 src/param-parse/Makefile
852 src/string-format/Makefile
853 tests/bitfield/Makefile
854 tests/ctf-writer/Makefile
855 tests/lib/Makefile
856 tests/lib/test-plugin-plugins/Makefile
857 tests/lib/conds/Makefile
858 tests/Makefile
859 tests/param-validation/Makefile
860 tests/plugins/Makefile
861 tests/plugins/src.ctf.fs/Makefile
862 tests/plugins/src.ctf.fs/succeed/Makefile
863 tests/plugins/sink.ctf.fs/Makefile
864 tests/plugins/sink.ctf.fs/succeed/Makefile
865 tests/plugins/flt.lttng-utils.debug-info/Makefile
866 tests/plugins/flt.utils.muxer/Makefile
867 tests/plugins/flt.utils.muxer/succeed/Makefile
868 tests/plugins/flt.utils.trimmer/Makefile
869 tests/plugins/sink.text.pretty/Makefile
870 tests/utils/Makefile
871 tests/utils/tap/Makefile
872])
873
874AC_CONFIG_FILES([tests/utils/env.sh],[chmod +x tests/utils/env.sh])
875
876AC_OUTPUT
877
878#
879# Mini-report on what will be built.
880#
881
882PPRINT_INIT
883PPRINT_SET_INDENT(1)
884PPRINT_SET_TS(38)
885
886AS_ECHO
887
888AS_IF([test -n "bt_version_name"], [
889 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
890], [
891 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
892])
893
894AS_ECHO
895
896AS_IF([test -n "bt_version_description"], [
897 AS_IF([test -n "$FOLD"], [
898 AS_ECHO("`AS_ECHO("bt_version_description") | $FOLD -s`")
899 ], [
900 AS_ECHO("bt_version_description")
901 ])
902
903 AS_ECHO
904])
905
906PPRINT_SUBTITLE([System])
907
908# Target architecture we're building for.
909target_arch=$host_cpu
910[
911for f in $CFLAGS; do
912 if test $f = "-m32"; then
913 target_arch="32-bit"
914 elif test $f = "-m64"; then
915 target_arch="64-bit"
916 fi
917done
918]
919
920PPRINT_PROP_STRING([Target architecture], $target_arch)
921
922AS_ECHO
923PPRINT_SUBTITLE([Python 3 language support])
924test "x$have_python" = "xyes" && value=1 || value=0
925PPRINT_PROP_BOOL([Have Python interpreter], $value)
926test "x$have_python_dev" = "xyes" && value=1 || value=0
927PPRINT_PROP_BOOL([Have Python development libraries], $value)
928test "x$enable_python_bindings" = "xyes" && value=1 || value=0
929PPRINT_PROP_BOOL_CUSTOM([Python bindings], $value, [To enable, use --enable-python-bindings])
930test "x$enable_python_plugins" = "xyes" && value=1 || value=0
931PPRINT_PROP_BOOL_CUSTOM([Python plugin support], $value, [To enable, use --enable-python-plugins])
932AS_IF([test "x$have_python" = "xyes"], [
933 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
934])
935AS_IF([test "x$have_python_dev" = "xyes"], [
936 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
937 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
938 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
939])
940AE_IF_FEATURE_ENABLED([python-bindings], [
941 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
942 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
943])
944
945AS_ECHO
946PPRINT_SUBTITLE([Plugins])
947PPRINT_PROP_BOOL(['ctf' plugin], 1)
948test "x$enable_debug_info" = "xyes" && value=1 || value=0
949PPRINT_PROP_BOOL_CUSTOM(['lttng-utils' plugin], $value, [To enable, use --enable-debug-info])
950PPRINT_PROP_BOOL(['text' plugin], 1)
951PPRINT_PROP_BOOL(['utils' plugin], 1)
952
953AS_ECHO
954PPRINT_SUBTITLE([Built-in features])
955test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
956PPRINT_PROP_BOOL_CUSTOM([Built-in plugins], $value, [To enable, use --enable-built-in-plugins])
957test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
958PPRINT_PROP_BOOL_CUSTOM([Built-in Python plugin support], $value, [To enable, use --enable-built-in-python-plugin-support])
959
960AS_ECHO
961PPRINT_SUBTITLE([Documentation])
962
963# man pages build enabled/disabled
964m4_pushdef([build_man_pages_msg], [Build and install man pages])
965
966AE_IF_FEATURE_ENABLED([man-pages], [
967 AE_IF_IN_GIT_REPO([
968 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
969 ], [
970 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
971 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
972 ], [
973 PPRINT_PROP_STRING([build_man_pages_msg],
974 [${PPRINT_COLOR_BLDGRN}yes (already built)],
975 $PPRINT_COLOR_SUBTITLE)
976 ])
977 ])
978], [
979 PPRINT_PROP_BOOL_CUSTOM([build_man_pages_msg], 0, [To build man pages, use --enable-man-pages])
980])
981
982m4_popdef([build_man_pages_msg])
983
984test "x$enable_api_doc" = "xyes" && value=1 || value=0
985PPRINT_PROP_BOOL_CUSTOM([HTML API documentation], $value, [To build documentation, use --enable-api-doc])
986test "x$enable_python_bindings_doc" = "xyes" && value=1 || value=0
987PPRINT_PROP_BOOL_CUSTOM([Python bindings documentation], $value, [To build the Python bindings documentation, use --enable-python-bindings-doc])
988
989AS_ECHO
990PPRINT_SUBTITLE([Logging])
991PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
992
993AS_ECHO
994PPRINT_SUBTITLE([Special build modes])
995PPRINT_PROP_BOOL_CUSTOM([Debug mode], $BABELTRACE_DEBUG_MODE, [To enable, set the BABELTRACE_DEBUG_MODE environment variable to 1])
996PPRINT_PROP_BOOL_CUSTOM([Developer mode], $BABELTRACE_DEV_MODE, [To enable, set the BABELTRACE_DEV_MODE environment variable to 1])
997
998report_bindir="`eval eval echo $bindir`"
999report_libdir="`eval eval echo $libdir`"
1000report_sysconfdif="`eval eval echo $sysconfdir`"
1001report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
1002report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
1003
1004# Print the bindir and libdir this `make install' will install into.
1005AS_ECHO
1006PPRINT_SUBTITLE([Install directories])
1007PPRINT_PROP_STRING([Binaries], [$report_bindir])
1008PPRINT_PROP_STRING([Libraries], [$report_libdir])
1009PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
1010PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
1011PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])
1012
1013# vim: shiftwidth=2 softtabstop=2 expandtab
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