Move to kernel style SPDX license identifiers
[babeltrace.git] / configure.ac
1 dnl SPDX-License-Identifier: MIT
2 dnl
3 dnl Copyright (C) 2017 EfficiOS, Inc.
4 dnl
5 dnl Process this file with autoconf to produce a configure script.
6
7 ## ##
8 ## Autoconf base setup ##
9 ## ##
10
11 AC_PREREQ([2.50])
12
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], [])
19
20 AC_INIT([babeltrace2], bt_version, [jeremie dot galarneau at efficios dot com], [], [https://efficios.com/babeltrace/])
21 AC_PROG_SED
22
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)
29
30 bt_version_description=""
31 bt_version_description_c_safe=$(echo $bt_version_description | $SED 's/"/\\"/g')
32
33 AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_lib_version)
34
35 AC_CONFIG_HEADERS([src/common/config.h])
36 AC_CONFIG_AUX_DIR([config])
37 AC_CONFIG_MACRO_DIR([m4])
38
39 AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
40 AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
41 AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
42 AC_DEFINE([BT_VERSION_DEV_STAGE], ["]bt_version_dev_stage["], [Babeltrace version development stage (can be empty)])
43 AC_DEFINE([BT_VERSION_NAME], ["]bt_version_name["], [Babeltrace version name])
44 AC_DEFINE_UNQUOTED([BT_VERSION_DESCRIPTION], ["$bt_version_description_c_safe"], [Babeltrace version description])
45
46 AC_CANONICAL_TARGET
47 AC_CANONICAL_HOST
48
49
50 ## ##
51 ## Automake base setup ##
52 ## ##
53
54 AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
55 AM_MAINTAINER_MODE([enable])
56
57 # Enable silent rules if available (Introduced in AM 1.11)
58 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
59
60
61 ## ##
62 ## OS specific defaults ##
63 ## ##
64
65 MINGW32=no
66 DEFAULT_ENABLE_DEBUG_INFO=yes
67 LT_NO_UNDEFINED=""
68 AS_CASE([$host_os],
69 [solaris*|darwin*],
70 [
71 DEFAULT_ENABLE_DEBUG_INFO=no
72 ],
73 [cygwin*],
74 [
75 DEFAULT_ENABLE_DEBUG_INFO=no
76 LT_NO_UNDEFINED="-no-undefined"
77 ],
78 [mingw*],
79 [
80 MINGW32=yes
81 DEFAULT_ENABLE_DEBUG_INFO=no
82 LT_NO_UNDEFINED="-no-undefined"
83 ]
84 )
85
86 AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
87 AC_SUBST(LT_NO_UNDEFINED)
88
89
90 ## ##
91 ## C compiler checks ##
92 ## ##
93
94 AC_USE_SYSTEM_EXTENSIONS
95 AC_SYS_LARGEFILE
96
97 # Choose the c compiler
98 AC_PROG_CC
99
100 # Make sure the c compiler supports C99
101 AC_PROG_CC_C99([], [AC_MSG_ERROR([The compiler does not support C99])])
102
103 # Make sure the c compiler supports __attributes__
104 AX_C___ATTRIBUTE__
105 AS_IF([test "x$ax_cv___attribute__" != "xyes"],
106 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
107
108 # Make sur we have pthread support
109 AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
110
111 # Checks for typedefs, structures, and compiler characteristics.
112 AC_C_INLINE
113 AC_C_TYPEOF
114 AC_TYPE_PID_T
115 AC_TYPE_SIZE_T
116 AC_TYPE_INT16_T
117 AC_TYPE_INT32_T
118 AC_TYPE_INT64_T
119 AC_TYPE_INT8_T
120 AC_TYPE_OFF_T
121 AC_TYPE_SSIZE_T
122 AC_TYPE_UINT16_T
123 AC_TYPE_UINT32_T
124 AC_TYPE_UINT64_T
125 AC_TYPE_UINT8_T
126 AC_CHECK_TYPES([ptrdiff_t])
127
128
129 ## ##
130 ## Header checks ##
131 ## ##
132
133 AC_HEADER_STDBOOL
134 AC_CHECK_HEADERS([ \
135 fcntl.h \
136 float.h \
137 ftw.h \
138 libintl.h \
139 limits.h \
140 malloc.h \
141 netdb.h \
142 netinet/in.h \
143 stddef.h \
144 sys/socket.h \
145 sys/time.h
146 ])
147
148
149 ## ##
150 ## Linker checks ##
151 ## ##
152
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])
156
157 # Check if the linker supports whole-archive
158 AX_CHECK_LINK_FLAG([-Wl,--whole-archive,--no-whole-archive],
159 [
160 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,--whole-archive,])
161 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [,--no-whole-archive])
162 ],[
163 # Fallback to force_load for the macOS linker
164 AX_CHECK_LINK_FLAG([-Wl,-force_load],
165 [
166 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,-force_load,])
167 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [])
168 ],[
169 AC_MSG_WARN([Can't find a linker option to force the inclusion of the static plugin archive objects.])
170 ]
171 )
172 ]
173 )
174
175 # Initialize and configure libtool
176 LT_INIT([win32-dll])
177
178
179 ## ##
180 ## Programs checks ##
181 ## ##
182
183 AC_PROG_MAKE_SET
184 AC_PROG_MKDIR_P
185 AC_PROG_LN_S
186 AC_PATH_PROG([report_fold], [fold])
187
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$in_git_repo" = "xyes"])
192
193 # check for bison
194 AC_PROG_YACC
195 AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
196
197 AS_IF([test "x$have_bison" != "xyes"], [
198 AS_IF([test "x$in_git_repo" = "xyes"], [
199 AC_MSG_FAILURE([dnl
200 Bison >= 2.4 is required when building from the Git repository. You can
201 set the YACC variable to override automatic detection.
202 ])
203 ], [
204 AC_MSG_WARN([dnl
205 Missing Bison >= 2.4. Note that the parser files are already built in
206 this distribution tarball, so Bison is only needed if you intend to
207 modify their sources. You can set the YACC variable to override automatic
208 detection.
209 ])
210 ])
211 ])
212 AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
213
214 # check for flex
215 AC_PROG_LEX
216 AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
217
218 AS_IF([test "x$have_flex" != "xyes"], [
219 AS_IF([test "x$in_git_repo" = "xyes"], [
220 AC_MSG_FAILURE([dnl
221 Flex >= 2.5.35 is required when building from the Git repository. You can
222 set the LEX variable to override automatic detection.
223 ])
224 ], [
225 AC_MSG_WARN([dnl
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
229 detection.
230 ])
231 ])
232 ])
233 AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
234
235
236 ## ##
237 ## Library checks ##
238 ## ##
239
240 # Check what libraries are required on this platform to link sockets programs.
241 AX_LIB_SOCKET_NSL
242
243 # Check for glib >= 2.28 with gmodule support
244 AM_PATH_GLIB_2_0([2.28.0], [],
245 AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
246 [gmodule-no-export]
247 )
248
249 # Checks for library functions.
250 AC_FUNC_ALLOCA
251 AC_FUNC_FORK
252 AC_FUNC_MKTIME
253 AC_FUNC_MMAP
254 AC_FUNC_STRERROR_R
255 AC_FUNC_STRNLEN
256 AC_CHECK_FUNCS([ \
257 atexit \
258 dup2 \
259 ftruncate \
260 gethostbyname \
261 gettimeofday \
262 localtime_r \
263 memchr \
264 memset \
265 mkdir \
266 mkdtemp \
267 munmap \
268 rmdir \
269 setenv \
270 socket \
271 strchr \
272 strdup \
273 strerror \
274 strndup \
275 strnlen \
276 strrchr \
277 strstr \
278 strtoul \
279 strtoull \
280 tzset \
281 ])
282
283 # AC_FUNC_MALLOC causes problems when cross-compiling.
284 #AC_FUNC_MALLOC
285 #AC_FUNC_REALLOC
286
287 # Check for fmemopen
288 AC_CHECK_LIB([c], [fmemopen],
289 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
290 )
291
292 # Check for open_memstream
293 AC_CHECK_LIB([c], [open_memstream],
294 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
295 )
296
297 # Check for posix_fallocate
298 AC_CHECK_LIB([c], [posix_fallocate],
299 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
300 )
301
302 ## ##
303 ## User variables ##
304 ## ##
305
306 AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
307 AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
308 AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
309
310 # BABELTRACE_PLUGINS_DIR: Plugins directory
311 AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
312 AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
313
314 # BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
315 AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
316 AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
317
318 # BABELTRACE_MINIMAL_LOG_LEVEL:
319 AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
320 AS_IF([test "x$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.])]
325 )
326 AC_DEFINE_UNQUOTED([BT_MINIMAL_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
327
328 # BABELTRACE_DEV_MODE:
329 AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
330 AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
331 AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
332 ], [BABELTRACE_DEV_MODE=0])
333
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$BABELTRACE_DEBUG_MODE" = x1], [
337 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
338 ], [BABELTRACE_DEBUG_MODE=0])
339
340
341 ## ##
342 ## Optionnal features selection ##
343 ## ##
344
345 # Python bindings
346 # Disabled by default
347 AC_ARG_ENABLE([python-bindings],
348 [AC_HELP_STRING([--enable-python-bindings], [build the Python bindings])],
349 [], dnl AC_ARG_ENABLE will fill enable_python_bindings with the user choice
350 [enable_python_bindings=unspecified]
351 )
352
353 # Python plugins
354 # Disabled by default
355 AC_ARG_ENABLE([python-plugins],
356 [AC_HELP_STRING([--enable-python-plugins], [enable the Python plugins support for the library and converter])]
357 dnl AC_ARG_ENABLE will fill enable_python_plugins with the user choice
358 )
359
360 # Debug info
361 # Enabled by default, except on some platforms
362 AC_ARG_ENABLE([debug-info],
363 [AC_HELP_STRING([--disable-debug-info], [disable the debug info support (default on macOS, Solaris and Windows)])],
364 [], dnl AC_ARG_ENABLE will fill enable_debug_info with the user choice
365 [enable_debug_info="$DEFAULT_ENABLE_DEBUG_INFO"]
366 )
367
368 # API documentation
369 # Disabled by default
370 AC_ARG_ENABLE([api-doc],
371 [AC_HELP_STRING([--enable-api-doc], [build the HTML API documentation])],
372 [enable_api_doc=$enableval]
373 )
374
375 # Built-in plugins
376 # Disabled by default
377 AC_ARG_ENABLE([built-in-plugins],
378 [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace2 executable])]
379 dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
380 )
381
382 # Built-in python plugin support
383 # Disabled by default
384 AC_ARG_ENABLE([built-in-python-plugin-support],
385 [AC_HELP_STRING([--enable-built-in-python-plugin-support], [Statically-link Python plugin support into the babeltrace library])]
386 dnl AC_ARG_ENABLE will fill enable_built_in_python_plugin_support with the user choice
387 )
388
389 # Man pages
390 # Enabled by default
391 AC_ARG_ENABLE([man-pages],
392 [AS_HELP_STRING([--disable-man-pages], [Do not build and install man pages (already built in a distributed tarball])],
393 [], dnl AC_ARG_ENABLE will fill enable_man_pages with the user choice
394 [enable_man_pages=yes]
395 )
396
397
398 # Set automake variables for optionnal feature conditionnals in Makefile.am
399 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], [test "x$enable_python_bindings" = xyes])
400 AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], [test "x$enable_python_plugins" = xyes])
401 AM_CONDITIONAL([ENABLE_DEBUG_INFO], [test "x$enable_debug_info" = xyes])
402 AM_CONDITIONAL([ENABLE_API_DOC], [test "x$enable_api_doc" = xyes])
403 AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], [test "x$enable_built_in_plugins" = xyes])
404 AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$enable_built_in_python_plugin_support" = xyes])
405 AM_CONDITIONAL([ENABLE_MAN_PAGES], [test "x$enable_man_pages" = xyes])
406 AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], [test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes])
407
408 # Set defines for optionnal features conditionnals in the source code
409
410 ## jgalar: still used?
411 AS_IF([test "x$enable_python_plugins" = xyes],
412 [AC_DEFINE([PYTHON_PLUGINS], [1], [Python plugin support.])]
413 )
414
415 AS_IF([test "x$enable_debug_info" = xyes],
416 [AC_DEFINE([ENABLE_DEBUG_INFO], [1], [Define to 1 if you enable the 'debug info' feature])]
417 )
418
419 AS_IF([test "x$enable_built_in_plugins" = xyes],
420 [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
421 )
422
423 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
424 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
425 )
426
427 AS_IF([test "x$enable_debug_info" = xyes],
428 [ENABLE_DEBUG_INFO_VAL=1],
429 [ENABLE_DEBUG_INFO_VAL=0]
430 )
431
432 AC_SUBST([ENABLE_DEBUG_INFO_VAL])
433
434 # Check for conflicting Python related features user choices.
435 AS_IF([test "x$enable_python_plugins" = xyes],
436 [
437 AS_IF([test "x$enable_python_bindings" = xunspecified],
438 [
439 # --enable-python-plugins was provided but --enable-python-bindings was
440 # omitted. Turn the Python bindings ON anyway because it's needed to
441 # use the Python plugins.
442 enable_python_bindings=yes
443 ],
444 [
445 AS_IF([test "x$enable_python_bindings" = xno],
446 [
447 # --enable-python-plugins _and_ --disable-python-bindings were
448 # used. This is invalid because Python plugins need the Python
449 # bindings to be useful.
450 AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
451 ]
452 )
453 ]
454 )
455 ]
456 )
457
458 # Check for conflicting optional features user choices
459
460 AS_IF([test "x$enable_built_in_plugins" = xyes],
461 [
462 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
463 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
464 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
465 ]
466 )
467
468 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
469 [
470 AS_IF([test "x$enable_python_plugins" != xyes], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
471 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
472 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
473 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
474 ]
475 )
476
477
478 # Check for optionnal features dependencies
479
480 AS_IF([test "x$enable_python_bindings" = xyes],
481 [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
482 )
483
484 AM_PATH_PYTHON([3.0], [
485 AM_PATH_PYTHON_MODULES([PYTHON])
486
487 # pythondir is the path where extra modules are to be installed
488 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
489
490 # pyexecdir is the path that contains shared objects used by the extra modules
491 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
492
493 AS_IF([test -z "$PYTHON_CONFIG"], [
494 AC_PATH_PROGS([PYTHON_CONFIG],
495 [python$PYTHON_VERSION-config python-config],
496 [],
497 [`dirname $PYTHON`])
498 ])
499
500 AS_IF([test -n "$PYTHON_CONFIG"], [
501 AS_IF([test -z "$PYTHON_INCLUDE"], [
502 AC_MSG_CHECKING([Python include flags])
503 PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
504 AC_MSG_RESULT([$PYTHON_INCLUDE])
505 ])
506
507 AS_IF([test -z "$PYTHON_LDFLAGS"], [
508 AC_MSG_CHECKING([Python library flags])
509 # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
510 AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
511 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
512 ])
513 AC_MSG_RESULT([$PYTHON_LDFLAGS])
514 ])
515 ])
516 ], [:])
517
518 AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
519 AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
520
521 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
522 AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
523
524 AS_IF([test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes], [
525 AS_IF([test "x$have_python_dev" = xno], [
526 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
527 ])
528 ])
529
530 AS_IF([test "x$enable_debug_info" = xyes],
531 [
532 # Check if libelf and libdw are present
533 AC_CHECK_LIB([elf], [elf_version], [:], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
534 AC_CHECK_LIB([dw], [dwarf_begin], [:], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
535 BT_LIB_ELFUTILS([0], [154], [:], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
536 ELFUTILS_LIBS="-lelf -ldw"
537 ]
538 )
539 AC_SUBST([ELFUTILS_LIBS])
540
541 AS_IF([test "x$enable_api_doc" = "xyes"],
542 [
543 DX_DOXYGEN_FEATURE(ON)
544 DX_DOT_FEATURE(OFF)
545 DX_HTML_FEATURE(ON)
546 DX_CHM_FEATURE(OFF)
547 DX_CHI_FEATURE(OFF)
548 DX_MAN_FEATURE(OFF)
549 DX_RTF_FEATURE(OFF)
550 DX_XML_FEATURE(OFF)
551 DX_PDF_FEATURE(OFF)
552 DX_PS_FEATURE(OFF)
553 DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
554 AS_IF([test -z "$DX_DOXYGEN"],
555 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
556 )
557 ]
558 )
559
560 have_asciidoc_xmlto=no
561 warn_prebuilt_man_pages=no
562
563 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
564 AC_PATH_PROG([XMLTO], [xmlto], [no])
565
566 AS_IF([test "x$enable_man_pages" = "xyes"], [
567 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
568 AS_IF([test "x$in_git_repo" = "xyes"], [
569 # this is an error because we're in the Git repo, which
570 # means the man pages are not already generated for us,
571 # thus asciixmlto are required because we were asked
572 # to build the man pages
573 AC_MSG_ERROR([
574 You need asciidoc and xmlto to build the Babeltrace man pages. Use
575 --disable-man-pages to disable building the man pages, in which case
576 they will not be installed.
577 ])
578 ], [
579 # only warn here: since we're in the tarball, the man
580 # pages should already be generated at this point, thus
581 # asciidoc/xmlto are not strictly required
582 warn_prebuilt_man_pages=yes
583 ])
584 ], [
585 have_asciidoc_xmlto=yes
586 ])
587 ])
588
589 # export AsciiDoc and xmlto existence
590 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
591
592 # a wonderful hack that seems necessary because $libdir is
593 # literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
594 # by autoconf when it's not specified by the user
595 AS_IF([test "x$exec_prefix" = xNONE], [
596 AS_IF([test "x$prefix" = xNONE], [
597 PREFIX="$ac_default_prefix"
598 ], [
599 PREFIX="$prefix"
600 ])
601
602 LIBDIR="$PREFIX/lib"
603 ], [
604 LIBDIR="$libdir"
605 ])
606
607 AC_SUBST(LIBDIR)
608
609 # CFLAGS from libraries (the glib ones are needed for the following sizeof
610 # test).
611 AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
612
613 # Check that the current size_t matches the size that glib thinks it should
614 # be. This catches problems on multi-arch where people try to do a 32-bit
615 # build while pointing at 64-bit glib headers. This is a common error because
616 # glib.h is not platform specific but it includes glibconfig.h which is and
617 # is usually installed in a non-standard path.
618
619 # Do this before enabling all the warning flags, as the
620 # AC_LANG_PROGRAM-generated program may generate some warning, which makes this
621 # test fail unnecessarily.
622
623 # Older versions of the pkg-config macros disallows PKG_* in the autoconf
624 # output. Specifically allow pkg_config_libdir to be able to print the
625 # error message.
626 m4_pattern_allow([PKG_CONFIG_LIBDIR])
627
628 save_CFLAGS=${CFLAGS}
629 CFLAGS="${CFLAGS} ${AM_CFLAGS}"
630 AC_COMPILE_IFELSE([
631 AC_LANG_PROGRAM([dnl
632 #include <glib.h>
633 #include <unistd.h>
634 ], [dnl
635 G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
636 ])
637 ],[:],[
638 AC_MSG_ERROR([dnl
639 sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
640 PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
641 target.
642 ])
643 ])
644 CFLAGS=${save_CFLAGS}
645
646 # Detect C and LD warning flags supported by the compiler.
647
648 # Detect warning flags supported by the compiler, append them to WARN_CFLAGS.
649 #
650 # Pass -Werror as an extra flag during the test: this is needed to make the
651 # -Wunknown-warning-option diagnostic fatal with clang.
652 AX_APPEND_COMPILE_FLAGS([ dnl
653 -Wall dnl
654 -Wextra dnl
655 -Wstrict-prototypes dnl
656 -Wmissing-prototypes dnl
657 -Wmissing-declarations dnl
658 -Wnull-dereference dnl
659 -Wundef dnl
660 -Wredundant-decls dnl
661 -Wshadow dnl
662 -Wjump-misses-init dnl
663 -Wsuggest-attribute=format dnl
664 -Wtautological-constant-out-of-range-compare dnl
665 -Wnested-externs dnl
666 -Wwrite-strings dnl
667 -Wformat=2 dnl
668 -Wno-format-nonliteral dnl
669 -Wstrict-aliasing dnl
670 -Wmissing-noreturn dnl
671 -Winit-self dnl
672 -Wduplicated-cond dnl
673 -Wduplicated-branches dnl
674 -Wlogical-op dnl
675 -Wno-unused-parameter dnl
676 -Wno-sign-compare dnl
677 dnl
678 dnl Some versions of SWIG (like 3.0.12) generate code that produces
679 dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
680 dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
681 dnl 4.0.1) have the correct function signatures to not produce this warning.
682 dnl It's simpler to just disable the warning globally.
683 dnl
684 dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
685 dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
686 dnl reproduce the warning using that package.
687 dnl
688 dnl Ref: https://github.com/swig/swig/issues/1259
689 -Wno-cast-function-type dnl
690 -Wno-missing-field-initializers dnl
691 ],
692 [WARN_CFLAGS],
693 [-Werror])
694
695 # When given, add -Werror to WARN_CFLAGS.
696 AC_ARG_ENABLE([Werror],
697 [AS_HELP_STRING([--enable-Werror], [Treat compiler warnings as errors.])]
698 )
699 AS_IF([test "x$enable_Werror" = "xyes"],
700 [WARN_CFLAGS="${WARN_CFLAGS} -Werror"]
701 )
702
703 # The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
704 # written in such a way that it triggers a -Wold-style-definition warning. So
705 # this warning always ends up disabled if we put it there, because the test
706 # program does not build.
707 #
708 # Enable it here unconditionally. It is supported by GCC >= 4.8 and by Clang
709 # (it is accepted for compatibility although it has no effect), and there is
710 # not reason to not want it.
711
712 WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition"
713
714 # CFLAGS from AX_APPEND_COMPILE_FLAGS.
715 AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
716
717 # Done for AM_CFLAGS.
718 AC_SUBST(AM_CFLAGS)
719
720 # Set global CPPFLAGS in AM_CPPFLAGS
721 AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
722 AC_SUBST(AM_CPPFLAGS)
723
724 # Add glib to global link libs
725 LIBS="$LIBS $GLIB_LIBS"
726
727 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
728 # to rename babeltrace2.bin to babeltrace2 at install time.
729 program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
730 AC_SUBST(program_transform_name)
731
732 AC_CONFIG_FILES([
733 doc/api/Makefile
734 doc/api/libbabeltrace2/Doxyfile
735 doc/api/libbabeltrace2/Makefile
736 doc/contributing-images/Makefile
737 doc/Makefile
738 doc/man/asciidoc-attrs.conf
739 doc/man/Makefile
740 include/Makefile
741 Makefile
742 src/argpar/Makefile
743 src/autodisc/Makefile
744 src/babeltrace2-ctf-writer.pc
745 src/babeltrace2.pc
746 src/bindings/Makefile
747 src/bindings/python/bt2/bt2/version.py
748 src/bindings/python/bt2/Makefile
749 src/bindings/python/bt2/setup.py
750 src/bindings/python/Makefile
751 src/cli/Makefile
752 src/common/Makefile
753 src/compat/Makefile
754 src/ctfser/Makefile
755 src/ctf-writer/Makefile
756 src/fd-cache/Makefile
757 src/lib/graph/Makefile
758 src/lib/graph/message/Makefile
759 src/lib/Makefile
760 src/lib/plugin/Makefile
761 src/lib/prio-heap/Makefile
762 src/lib/trace-ir/Makefile
763 src/logging/Makefile
764 src/Makefile
765 src/plugins/common/Makefile
766 src/plugins/common/muxing/Makefile
767 src/plugins/common/param-validation/Makefile
768 src/plugins/ctf/common/bfcr/Makefile
769 src/plugins/ctf/common/Makefile
770 src/plugins/ctf/common/metadata/Makefile
771 src/plugins/ctf/common/msg-iter/Makefile
772 src/plugins/ctf/fs-sink/Makefile
773 src/plugins/ctf/fs-src/Makefile
774 src/plugins/ctf/lttng-live/Makefile
775 src/plugins/ctf/Makefile
776 src/plugins/lttng-utils/debug-info/Makefile
777 src/plugins/lttng-utils/Makefile
778 src/plugins/Makefile
779 src/plugins/text/dmesg/Makefile
780 src/plugins/text/Makefile
781 src/plugins/text/pretty/Makefile
782 src/plugins/text/details/Makefile
783 src/plugins/utils/counter/Makefile
784 src/plugins/utils/dummy/Makefile
785 src/plugins/utils/Makefile
786 src/plugins/utils/muxer/Makefile
787 src/plugins/utils/trimmer/Makefile
788 src/py-common/Makefile
789 src/python-plugin-provider/Makefile
790 src/param-parse/Makefile
791 src/string-format/Makefile
792 tests/bitfield/Makefile
793 tests/ctf-writer/Makefile
794 tests/lib/Makefile
795 tests/lib/test-plugin-plugins/Makefile
796 tests/Makefile
797 tests/param-validation/Makefile
798 tests/plugins/Makefile
799 tests/plugins/src.ctf.fs/Makefile
800 tests/plugins/src.ctf.fs/succeed/Makefile
801 tests/plugins/sink.ctf.fs/Makefile
802 tests/plugins/sink.ctf.fs/succeed/Makefile
803 tests/plugins/flt.lttng-utils.debug-info/Makefile
804 tests/plugins/flt.utils.muxer/Makefile
805 tests/plugins/flt.utils.muxer/succeed/Makefile
806 tests/plugins/flt.utils.trimmer/Makefile
807 tests/utils/Makefile
808 tests/utils/tap/Makefile
809 ])
810
811 AC_OUTPUT
812
813 #
814 # Mini-report on what will be built.
815 #
816
817 PPRINT_INIT
818 PPRINT_SET_INDENT(1)
819 PPRINT_SET_TS(38)
820
821 AS_ECHO
822
823 AS_IF([test -n "bt_version_name"], [
824 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
825 ], [
826 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
827 ])
828
829 AS_ECHO
830
831 AS_IF([test -n "$bt_version_description"], [
832 AS_IF([test -n "$report_fold"], [
833 AS_ECHO("`AS_ECHO("$bt_version_description") | $report_fold -s`")
834 ], [
835 AS_ECHO("$bt_version_description")
836 ])
837
838 AS_ECHO
839 ])
840
841 PPRINT_SUBTITLE([System])
842
843 # Target architecture we're building for.
844 target_arch=$host_cpu
845 [
846 for f in $CFLAGS; do
847 if test $f = "-m32"; then
848 target_arch="32-bit"
849 elif test $f = "-m64"; then
850 target_arch="64-bit"
851 fi
852 done
853 ]
854
855 PPRINT_PROP_STRING([Target architecture], $target_arch)
856
857 AS_ECHO
858 PPRINT_SUBTITLE([Python 3 language support])
859 test "x$have_python" = "xyes" && value=1 || value=0
860 PPRINT_PROP_BOOL([Have Python interpreter], $value)
861 test "x$have_python_dev" = "xyes" && value=1 || value=0
862 PPRINT_PROP_BOOL([Have Python development libraries], $value)
863 test "x$enable_python_bindings" = "xyes" && value=1 || value=0
864 PPRINT_PROP_BOOL_CUSTOM([Python bindings], $value, [To enable, use --enable-python-bindings])
865 test "x$enable_python_plugins" = "xyes" && value=1 || value=0
866 PPRINT_PROP_BOOL_CUSTOM([Python plugin support], $value, [To enable, use --enable-python-plugins])
867 AS_IF([test "x$have_python" = "xyes"], [
868 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
869 ])
870 AS_IF([test "x$have_python_dev" = "xyes"], [
871 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
872 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
873 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
874 ])
875 AS_IF([test "x$enable_python_bindings" = "xyes"], [
876 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
877 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
878 ])
879
880 AS_ECHO
881 PPRINT_SUBTITLE([Plugins])
882 PPRINT_PROP_BOOL(['ctf' plugin], 1)
883 test "x$enable_debug_info" = "xyes" && value=1 || value=0
884 PPRINT_PROP_BOOL_CUSTOM(['lttng-utils' plugin], $value, [To enable, use --enable-debug-info])
885 PPRINT_PROP_BOOL(['text' plugin], 1)
886 PPRINT_PROP_BOOL(['utils' plugin], 1)
887
888 AS_ECHO
889 PPRINT_SUBTITLE([Built-in features])
890 test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
891 PPRINT_PROP_BOOL_CUSTOM([Built-in plugins], $value, [To enable, use --enable-built-in-plugins])
892 test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
893 PPRINT_PROP_BOOL_CUSTOM([Built-in Python plugin support], $value, [To enable, use --enable-built-in-python-plugin-support])
894
895 AS_ECHO
896 PPRINT_SUBTITLE([Documentation])
897
898 # man pages build enabled/disabled
899 m4_pushdef([build_man_pages_msg], [Build and install man pages])
900
901 AS_IF([test "x$enable_man_pages" != "xno"], [
902 AS_IF([test "x$in_git_repo" = "xyes"], [
903 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
904 ], [
905 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
906 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
907 ], [
908 PPRINT_PROP_STRING([build_man_pages_msg],
909 [${PPRINT_COLOR_BLDGRN}yes (already built)],
910 $PPRINT_COLOR_SUBTITLE)
911 ])
912 ])
913 ], [
914 PPRINT_PROP_BOOL_CUSTOM([build_man_pages_msg], 0, [To build man pages, use --enable-man-pages])
915 ])
916
917 m4_popdef([build_man_pages_msg])
918
919 test "x$enable_api_doc" = "xyes" && value=1 || value=0
920 PPRINT_PROP_BOOL_CUSTOM([HTML API documentation], $value, [To build documentation, use --enable-api-doc])
921
922 AS_ECHO
923 PPRINT_SUBTITLE([Logging])
924 PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
925
926 AS_ECHO
927 PPRINT_SUBTITLE([Special build modes])
928 PPRINT_PROP_BOOL_CUSTOM([Debug mode], $BABELTRACE_DEBUG_MODE, [To enable, set the BABELTRACE_DEBUG_MODE environment variable to 1])
929 PPRINT_PROP_BOOL_CUSTOM([Developer mode], $BABELTRACE_DEV_MODE, [To enable, set the BABELTRACE_DEV_MODE environment variable to 1])
930
931 report_bindir="`eval eval echo $bindir`"
932 report_libdir="`eval eval echo $libdir`"
933 report_sysconfdif="`eval eval echo $sysconfdir`"
934 report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
935 report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
936
937 # Print the bindir and libdir this `make install' will install into.
938 AS_ECHO
939 PPRINT_SUBTITLE([Install directories])
940 PPRINT_PROP_STRING([Binaries], [$report_bindir])
941 PPRINT_PROP_STRING([Libraries], [$report_libdir])
942 PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
943 PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
944 PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])
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