Release: Babeltrace 2.0.0 "Amqui"
[babeltrace.git] / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2 dnl
3 dnl Copyright (c) 2017 EfficiOS, Inc.
4 dnl
5 dnl Permission is hereby granted, free of charge, to any person obtaining a copy
6 dnl of this software and associated documentation files (the "Software"), to deal
7 dnl in the Software without restriction, including without limitation the rights
8 dnl to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 dnl copies of the Software, and to permit persons to whom the Software is
10 dnl furnished to do so, subject to the following conditions:
11 dnl
12 dnl The above copyright notice and this permission notice shall be included in
13 dnl all copies or substantial portions of the Software.
14 dnl
15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 dnl AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 dnl OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 dnl SOFTWARE.
22
23 ## ##
24 ## Autoconf base setup ##
25 ## ##
26
27 AC_PREREQ([2.50])
28
29 m4_define([bt_version_major], [2])
30 m4_define([bt_version_minor], [0])
31 m4_define([bt_version_patch], [0])
32 m4_define([bt_version_dev_stage], [])
33 m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_dev_stage)
34 m4_define([bt_version_name], [Amqui])
35
36 AC_INIT([babeltrace], bt_version, [jeremie dot galarneau at efficios dot com], [], [https://efficios.com/babeltrace/])
37 AC_PROG_SED
38
39 # Following the numbering scheme proposed by libtool for the library version
40 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
41 m4_define([bt_lib_version_current], [0])
42 m4_define([bt_lib_version_revision], [0])
43 m4_define([bt_lib_version_age], [0])
44 m4_define([bt_lib_version], bt_lib_version_current[:]bt_lib_version_revision[:]bt_lib_version_age)
45
46 bt_version_description="Amqui (/ɒmkwiː/) is a town in eastern Québec, Canada, at the base of the Gaspé peninsula in Bas-Saint-Laurent. Located at the confluence of the Humqui and Matapédia Rivers, its proximity to woodlands makes it a great destination for outdoor activities such as camping, hiking, and mountain biking."
47 bt_version_description_c_safe=$(echo $bt_version_description | $SED 's/"/\\"/g')
48
49 AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_lib_version)
50
51 AC_CONFIG_HEADERS([src/common/config.h])
52 AC_CONFIG_AUX_DIR([config])
53 AC_CONFIG_MACRO_DIR([m4])
54
55 AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
56 AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
57 AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
58 AC_DEFINE([BT_VERSION_DEV_STAGE], ["]bt_version_dev_stage["], [Babeltrace version development stage (can be empty)])
59 AC_DEFINE([BT_VERSION_NAME], ["]bt_version_name["], [Babeltrace version name])
60 AC_DEFINE_UNQUOTED([BT_VERSION_DESCRIPTION], ["$bt_version_description_c_safe"], [Babeltrace version description])
61
62 AC_CANONICAL_TARGET
63 AC_CANONICAL_HOST
64
65
66 ## ##
67 ## Automake base setup ##
68 ## ##
69
70 AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
71 AM_MAINTAINER_MODE([enable])
72
73 # Enable silent rules if available (Introduced in AM 1.11)
74 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
75
76
77 ## ##
78 ## OS specific defaults ##
79 ## ##
80
81 MINGW32=no
82 DEFAULT_ENABLE_DEBUG_INFO=yes
83 LT_NO_UNDEFINED=""
84 AS_CASE([$host_os],
85 [solaris*|darwin*],
86 [
87 DEFAULT_ENABLE_DEBUG_INFO=no
88 ],
89 [cygwin*],
90 [
91 DEFAULT_ENABLE_DEBUG_INFO=no
92 LT_NO_UNDEFINED="-no-undefined"
93 ],
94 [mingw*],
95 [
96 MINGW32=yes
97 DEFAULT_ENABLE_DEBUG_INFO=no
98 LT_NO_UNDEFINED="-no-undefined"
99 ]
100 )
101
102 AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
103 AC_SUBST(LT_NO_UNDEFINED)
104
105
106 ## ##
107 ## C compiler checks ##
108 ## ##
109
110 AC_USE_SYSTEM_EXTENSIONS
111 AC_SYS_LARGEFILE
112
113 # Choose the c compiler
114 AC_PROG_CC
115
116 # Make sure the c compiler supports C99
117 AC_PROG_CC_C99([], [AC_MSG_ERROR([The compiler does not support C99])])
118
119 # Make sure the c compiler supports __attributes__
120 AX_C___ATTRIBUTE__
121 AS_IF([test "x$ax_cv___attribute__" != "xyes"],
122 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
123
124 # Make sur we have pthread support
125 AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
126
127 # Checks for typedefs, structures, and compiler characteristics.
128 AC_C_INLINE
129 AC_C_TYPEOF
130 AC_TYPE_PID_T
131 AC_TYPE_SIZE_T
132 AC_TYPE_INT16_T
133 AC_TYPE_INT32_T
134 AC_TYPE_INT64_T
135 AC_TYPE_INT8_T
136 AC_TYPE_OFF_T
137 AC_TYPE_SSIZE_T
138 AC_TYPE_UINT16_T
139 AC_TYPE_UINT32_T
140 AC_TYPE_UINT64_T
141 AC_TYPE_UINT8_T
142 AC_CHECK_TYPES([ptrdiff_t])
143
144
145 ## ##
146 ## Header checks ##
147 ## ##
148
149 AC_HEADER_STDBOOL
150 AC_CHECK_HEADERS([ \
151 fcntl.h \
152 float.h \
153 ftw.h \
154 libintl.h \
155 limits.h \
156 malloc.h \
157 netdb.h \
158 netinet/in.h \
159 stddef.h \
160 sys/socket.h \
161 sys/time.h
162 ])
163
164
165 ## ##
166 ## Linker checks ##
167 ## ##
168
169 # Check if the linker supports no-as-needed
170 AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
171 AC_SUBST([LD_NO_AS_NEEDED])
172
173 # Check if the linker supports whole-archive
174 AX_CHECK_LINK_FLAG([-Wl,--whole-archive,--no-whole-archive],
175 [
176 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,--whole-archive,])
177 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [,--no-whole-archive])
178 ],[
179 # Fallback to force_load for the macOS linker
180 AX_CHECK_LINK_FLAG([-Wl,-force_load],
181 [
182 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,-force_load,])
183 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [])
184 ],[
185 AC_MSG_WARN([Can't find a linker option to force the inclusion of the static plugin archive objects.])
186 ]
187 )
188 ]
189 )
190
191 # Initialize and configure libtool
192 LT_INIT([win32-dll])
193
194
195 ## ##
196 ## Programs checks ##
197 ## ##
198
199 AC_PROG_MAKE_SET
200 AC_PROG_MKDIR_P
201 AC_PROG_LN_S
202 AC_PATH_PROG([report_fold], [fold])
203
204 # set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
205 # is not distributed in tarballs
206 AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
207 AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
208
209 # check for bison
210 AC_PROG_YACC
211 AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
212
213 AS_IF([test "x$have_bison" != "xyes"], [
214 AS_IF([test "x$in_git_repo" = "xyes"], [
215 AC_MSG_FAILURE([dnl
216 Bison >= 2.4 is required when building from the Git repository. You can
217 set the YACC variable to override automatic detection.
218 ])
219 ], [
220 AC_MSG_WARN([dnl
221 Missing Bison >= 2.4. Note that the parser files are already built in
222 this distribution tarball, so Bison is only needed if you intend to
223 modify their sources. You can set the YACC variable to override automatic
224 detection.
225 ])
226 ])
227 ])
228 AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
229
230 # check for flex
231 AC_PROG_LEX
232 AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
233
234 AS_IF([test "x$have_flex" != "xyes"], [
235 AS_IF([test "x$in_git_repo" = "xyes"], [
236 AC_MSG_FAILURE([dnl
237 Flex >= 2.5.35 is required when building from the Git repository. You can
238 set the LEX variable to override automatic detection.
239 ])
240 ], [
241 AC_MSG_WARN([dnl
242 Missing Flex >= 2.5.35. Note that the lexer files are already built in
243 this distribution tarball, so Flex is only needed if you intend to
244 modify their sources. You can set the LEX variable to override automatic
245 detection.
246 ])
247 ])
248 ])
249 AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
250
251
252 ## ##
253 ## Library checks ##
254 ## ##
255
256 # Check what libraries are required on this platform to link sockets programs.
257 AX_LIB_SOCKET_NSL
258
259 # Check for glib >= 2.28 with gmodule support
260 AM_PATH_GLIB_2_0([2.28.0], [],
261 AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
262 [gmodule-no-export]
263 )
264
265 # Checks for library functions.
266 AC_FUNC_ALLOCA
267 AC_FUNC_FORK
268 AC_FUNC_MKTIME
269 AC_FUNC_MMAP
270 AC_FUNC_STRERROR_R
271 AC_FUNC_STRNLEN
272 AC_CHECK_FUNCS([ \
273 atexit \
274 dup2 \
275 ftruncate \
276 gethostbyname \
277 gettimeofday \
278 localtime_r \
279 memchr \
280 memset \
281 mkdir \
282 mkdtemp \
283 munmap \
284 rmdir \
285 setenv \
286 socket \
287 strchr \
288 strdup \
289 strerror \
290 strndup \
291 strnlen \
292 strrchr \
293 strstr \
294 strtoul \
295 strtoull \
296 tzset \
297 ])
298
299 # AC_FUNC_MALLOC causes problems when cross-compiling.
300 #AC_FUNC_MALLOC
301 #AC_FUNC_REALLOC
302
303 # Check for fmemopen
304 AC_CHECK_LIB([c], [fmemopen],
305 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
306 )
307
308 # Check for open_memstream
309 AC_CHECK_LIB([c], [open_memstream],
310 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
311 )
312
313 # Check for posix_fallocate
314 AC_CHECK_LIB([c], [posix_fallocate],
315 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
316 )
317
318 ## ##
319 ## User variables ##
320 ## ##
321
322 AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
323 AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
324 AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
325
326 # BABELTRACE_PLUGINS_DIR: Plugins directory
327 AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
328 AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
329
330 # BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
331 AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
332 AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
333
334 # BABELTRACE_MINIMAL_LOG_LEVEL:
335 AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
336 AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = x], [BABELTRACE_MINIMAL_LOG_LEVEL="DEBUG"])
337 AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "TRACE" && \
338 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && \
339 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO"],
340 [AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use TRACE, DEBUG, or INFO.])]
341 )
342 AC_DEFINE_UNQUOTED([BT_MINIMAL_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
343
344 # BABELTRACE_DEV_MODE:
345 AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
346 AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
347 AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
348 ], [BABELTRACE_DEV_MODE=0])
349
350 # BABELTRACE_DEBUG_MODE:
351 AC_ARG_VAR([BABELTRACE_DEBUG_MODE], [Set to 1 to enable the Babeltrace debug mode (enables internal assertions for Babeltrace maintainers)])
352 AS_IF([test "x$BABELTRACE_DEBUG_MODE" = x1], [
353 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
354 ], [BABELTRACE_DEBUG_MODE=0])
355
356
357 ## ##
358 ## Optionnal features selection ##
359 ## ##
360
361 # Python bindings
362 # Disabled by default
363 AC_ARG_ENABLE([python-bindings],
364 [AC_HELP_STRING([--enable-python-bindings], [build the Python bindings])],
365 [], dnl AC_ARG_ENABLE will fill enable_python_bindings with the user choice
366 [enable_python_bindings=no]
367 )
368
369 # Python bindings documentation
370 # Disabled by default
371 AC_ARG_ENABLE([python-bindings-doc],
372 [AC_HELP_STRING([--enable-python-bindings-doc], [build the Python bindings documentation])],
373 [], dnl AC_ARG_ENABLE will fill enable_python_bindings_doc with the user choice
374 [enable_python_bindings_doc=no]
375 )
376
377 # Python plugins
378 # Disabled by default
379 AC_ARG_ENABLE([python-plugins],
380 [AC_HELP_STRING([--enable-python-plugins], [enable the Python plugins support for the library and converter])],
381 [], dnl AC_ARG_ENABLE will fill enable_python_plugins with the user choice
382 [enable_python_plugins=no]
383 )
384
385 # Debug info
386 # Enabled by default, except on some platforms
387 AC_ARG_ENABLE([debug-info],
388 [AC_HELP_STRING([--disable-debug-info], [disable the debug info support (default on macOS, Solaris and Windows)])],
389 [], dnl AC_ARG_ENABLE will fill enable_debug_info with the user choice
390 [enable_debug_info="$DEFAULT_ENABLE_DEBUG_INFO"]
391 )
392
393 # API documentation
394 # Disabled by default
395 AC_ARG_ENABLE([api-doc],
396 [AC_HELP_STRING([--enable-api-doc], [build the HTML API documentation])],
397 [enable_api_doc=$enableval],
398 [enable_api_doc=no]
399 )
400
401 # Built-in plugins
402 # Disabled by default
403 AC_ARG_ENABLE([built-in-plugins],
404 [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace2 executable])],
405 [], dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
406 [enable_built_in_plugins=no]
407 )
408
409 # Built-in python plugin support
410 # Disabled by default
411 AC_ARG_ENABLE([built-in-python-plugin-support],
412 [AC_HELP_STRING([--enable-built-in-python-plugin-support], [Statically-link Python plugin support into the babeltrace library])],
413 [], dnl AC_ARG_ENABLE will fill enable_built_in_python_plugin_support with the user choice
414 [enable_built_in_python_plugin_support=no]
415 )
416
417 # Man pages
418 # Enabled by default
419 AC_ARG_ENABLE([man-pages],
420 [AS_HELP_STRING([--disable-man-pages], [Do not build and install man pages (already built in a distributed tarball])],
421 [], dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
422 [enable_man_pages=yes]
423 )
424
425
426 # Set automake variables for optionnal feature conditionnals in Makefile.am
427 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], [test "x$enable_python_bindings" = xyes])
428 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], [test "x$enable_python_bindings_doc" = xyes])
429 AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], [test "x$enable_python_plugins" = xyes])
430 AM_CONDITIONAL([ENABLE_DEBUG_INFO], [test "x$enable_debug_info" = xyes])
431 AM_CONDITIONAL([ENABLE_API_DOC], [test "x$enable_api_doc" = xyes])
432 AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], [test "x$enable_built_in_plugins" = xyes])
433 AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$enable_built_in_python_plugin_support" = xyes])
434 AM_CONDITIONAL([ENABLE_MAN_PAGES], [test "x$enable_man_pages" = xyes])
435 AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], [test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes])
436
437 # Set defines for optionnal features conditionnals in the source code
438
439 ## jgalar: still used?
440 AS_IF([test "x$enable_python_plugins" = xyes],
441 [AC_DEFINE([PYTHON_PLUGINS], [1], [Python plugin support.])]
442 )
443
444 AS_IF([test "x$enable_debug_info" = xyes],
445 [AC_DEFINE([ENABLE_DEBUG_INFO], [1], [Define to 1 if you enable the 'debug info' feature])]
446 )
447
448 AS_IF([test "x$enable_built_in_plugins" = xyes],
449 [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
450 )
451
452 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
453 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
454 )
455
456 AS_IF([test "x$enable_debug_info" = xyes],
457 [ENABLE_DEBUG_INFO_VAL=1],
458 [ENABLE_DEBUG_INFO_VAL=0]
459 )
460
461 AC_SUBST([ENABLE_DEBUG_INFO_VAL])
462
463
464 # Check for conflicting optional features user choices
465
466 AS_IF([test "x$enable_python_bindings" = xno],
467 [
468 AS_IF([test "x$enable_python_bindings_doc" = xyes], [AC_MSG_ERROR([--enable-python-bindings-doc was specified without --enable-python-bindings])])
469 ]
470 )
471
472 AS_IF([test "x$enable_built_in_plugins" = xyes],
473 [
474 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
475 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
476 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
477 ]
478 )
479
480 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
481 [
482 AS_IF([test "x$enable_python_plugins" = xno], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
483 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
484 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
485 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
486 ]
487 )
488
489
490 # Check for optionnal features dependencies
491
492 AS_IF([test "x$enable_python_bindings" = xyes],
493 [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
494 )
495
496 AM_PATH_PYTHON([3.0], [
497 AM_PATH_PYTHON_MODULES([PYTHON])
498
499 # pythondir is the path where extra modules are to be installed
500 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
501
502 # pyexecdir is the path that contains shared objects used by the extra modules
503 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
504
505 AS_IF([test -z "$PYTHON_CONFIG"], [
506 AC_PATH_PROGS([PYTHON_CONFIG],
507 [python$PYTHON_VERSION-config python-config],
508 [],
509 [`dirname $PYTHON`])
510 ])
511
512 AS_IF([test -n "$PYTHON_CONFIG"], [
513 AS_IF([test -z "$PYTHON_INCLUDE"], [
514 AC_MSG_CHECKING([Python include flags])
515 PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
516 AC_MSG_RESULT([$PYTHON_INCLUDE])
517 ])
518
519 AS_IF([test -z "$PYTHON_LDFLAGS"], [
520 AC_MSG_CHECKING([Python library flags])
521 # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
522 AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
523 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
524 ])
525 AC_MSG_RESULT([$PYTHON_LDFLAGS])
526 ])
527 ])
528 ], [:])
529
530 AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
531 AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
532
533 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
534 AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
535
536 AS_IF([test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes], [
537 AS_IF([test "x$have_python_dev" = xno], [
538 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
539 ])
540 ])
541
542 AS_IF([test "x$enable_python_bindings_doc" = xyes],
543 [
544 AM_CHECK_PYTHON_SPHINX([PYTHON])
545 AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno],
546 [AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])]
547 )
548 ]
549 )
550
551 AS_IF([test "x$enable_debug_info" = xyes],
552 [
553 # Check if libelf and libdw are present
554 AC_CHECK_LIB([elf], [elf_version], [:], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
555 AC_CHECK_LIB([dw], [dwarf_begin], [:], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
556 BT_LIB_ELFUTILS([0], [154], [:], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
557 ELFUTILS_LIBS="-lelf -ldw"
558 ]
559 )
560 AC_SUBST([ELFUTILS_LIBS])
561
562 AS_IF([test "x$enable_api_doc" = "xyes"],
563 [
564 DX_DOXYGEN_FEATURE(ON)
565 DX_DOT_FEATURE(OFF)
566 DX_HTML_FEATURE(ON)
567 DX_CHM_FEATURE(OFF)
568 DX_CHI_FEATURE(OFF)
569 DX_MAN_FEATURE(OFF)
570 DX_RTF_FEATURE(OFF)
571 DX_XML_FEATURE(OFF)
572 DX_PDF_FEATURE(OFF)
573 DX_PS_FEATURE(OFF)
574 DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
575 AS_IF([test -z "$DX_DOXYGEN"],
576 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
577 )
578 ]
579 )
580
581 have_asciidoc_xmlto=no
582 warn_prebuilt_man_pages=no
583
584 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
585 AC_PATH_PROG([XMLTO], [xmlto], [no])
586
587 AS_IF([test "x$enable_man_pages" = "xyes"], [
588 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
589 AS_IF([test "x$in_git_repo" = "xyes"], [
590 # this is an error because we're in the Git repo, which
591 # means the man pages are not already generated for us,
592 # thus asciixmlto are required because we were asked
593 # to build the man pages
594 AC_MSG_ERROR([
595 You need asciidoc and xmlto to build the Babeltrace man pages. Use
596 --disable-man-pages to disable building the man pages, in which case
597 they will not be installed.
598 ])
599 ], [
600 # only warn here: since we're in the tarball, the man
601 # pages should already be generated at this point, thus
602 # asciidoc/xmlto are not strictly required
603 warn_prebuilt_man_pages=yes
604 ])
605 ], [
606 have_asciidoc_xmlto=yes
607 ])
608 ])
609
610 # export AsciiDoc and xmlto existence
611 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
612
613 # a wonderful hack that seems necessary because $libdir is
614 # literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
615 # by autoconf when it's not specified by the user
616 AS_IF([test "x$exec_prefix" = xNONE], [
617 AS_IF([test "x$prefix" = xNONE], [
618 PREFIX="$ac_default_prefix"
619 ], [
620 PREFIX="$prefix"
621 ])
622
623 LIBDIR="$PREFIX/lib"
624 ], [
625 LIBDIR="$libdir"
626 ])
627
628 AC_SUBST(LIBDIR)
629
630 # CFLAGS from libraries (the glib ones are needed for the following sizeof
631 # test).
632 AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
633
634 # Check that the current size_t matches the size that glib thinks it should
635 # be. This catches problems on multi-arch where people try to do a 32-bit
636 # build while pointing at 64-bit glib headers. This is a common error because
637 # glib.h is not platform specific but it includes glibconfig.h which is and
638 # is usually installed in a non-standard path.
639
640 # Do this before enabling all the warning flags, as the
641 # AC_LANG_PROGRAM-generated program may generate some warning, which makes this
642 # test fail unnecessarily.
643
644 # Older versions of the pkg-config macros disallows PKG_* in the autoconf
645 # output. Specifically allow pkg_config_libdir to be able to print the
646 # error message.
647 m4_pattern_allow([PKG_CONFIG_LIBDIR])
648
649 save_CFLAGS=${CFLAGS}
650 CFLAGS="${CFLAGS} ${AM_CFLAGS}"
651 AC_COMPILE_IFELSE([
652 AC_LANG_PROGRAM([dnl
653 #include <glib.h>
654 #include <unistd.h>
655 ], [dnl
656 G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
657 ])
658 ],[:],[
659 AC_MSG_ERROR([dnl
660 sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
661 PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
662 target.
663 ])
664 ])
665 CFLAGS=${save_CFLAGS}
666
667 # Detect C and LD warning flags supported by the compiler.
668 AX_COMPILER_FLAGS(
669 [WARN_CFLAGS], dnl CFLAGS variable name
670 [WARN_LDFLAGS], dnl LDFLAGS variable name (unused for now)
671 [], dnl is-release
672 [], dnl Extra base CFLAGS
673 [ dnl Extra "yes" CFLAGS
674 dnl Disable these flags, either because we don't want them
675 dnl or because we want them but are not ready to enable them
676 dnl yet.
677 -Wno-sign-compare dnl
678 -Wno-inline dnl
679 -Wno-declaration-after-statement dnl
680 -Wno-switch-enum dnl
681 -Wno-switch-default dnl
682 -Wno-packed dnl
683 -Wno-pointer-arith dnl
684 -Wno-format-nonliteral dnl
685 -Wno-double-promotion dnl
686 -Wno-cast-align dnl
687 dnl
688 dnl Some versions of SWIG (like 3.0.12) generate code that produces
689 dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
690 dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
691 dnl 4.0.1) have the correct function signatures to not produce this warning.
692 dnl It's simpler to just disable the warning globally.
693 dnl
694 dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
695 dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
696 dnl reproduce the warning using that package.
697 dnl
698 dnl Ref: https://github.com/swig/swig/issues/1259
699 -Wno-cast-function-type dnl
700 ])
701
702 # CFLAGS from AX_COMPILER_FLAGS.
703 AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
704
705 # The test used in AX_COMPILER_FLAGS, generated using AC_LANG_PROGRAM, is
706 # written in such a way that it triggers a -Wold-style-definition warning. So
707 # if the user has -Werror in their CFLAGS, that warning flag will end up
708 # disabled, because the test program will not build.
709 #
710 # Enable it here unconditionally. It is supported by GCC >= 4.8 and by Clang
711 # (it is accepted for compatibility although it has no effect), and there is
712 # not reason to not want it.
713
714 AM_CFLAGS="${AM_CFLAGS} -Wold-style-definition"
715
716 # We want this one to always be an error.
717 AM_CFLAGS="${AM_CFLAGS} -Werror=implicit-function-declaration"
718
719 # Done for AM_CFLAGS.
720 AC_SUBST(AM_CFLAGS)
721
722 # Set global CPPFLAGS in AM_CPPFLAGS
723 AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
724 AC_SUBST(AM_CPPFLAGS)
725
726 # Add glib to global link libs
727 LIBS="$LIBS $GLIB_LIBS"
728
729 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
730 # to rename babeltrace2.bin to babeltrace2 at install time.
731 program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
732 AC_SUBST(program_transform_name)
733
734 AC_CONFIG_FILES([
735 doc/api/Makefile
736 doc/api/libbabeltrace2/Doxyfile
737 doc/api/libbabeltrace2/Makefile
738 doc/bindings/Makefile
739 doc/bindings/python/Makefile
740 doc/contributing-images/Makefile
741 doc/Makefile
742 doc/man/asciidoc-attrs.conf
743 doc/man/Makefile
744 include/Makefile
745 Makefile
746 src/argpar/Makefile
747 src/autodisc/Makefile
748 src/babeltrace2-ctf-writer.pc
749 src/babeltrace2.pc
750 src/bindings/Makefile
751 src/bindings/python/bt2/bt2/version.py
752 src/bindings/python/bt2/Makefile
753 src/bindings/python/bt2/setup.py
754 src/bindings/python/Makefile
755 src/cli/Makefile
756 src/common/Makefile
757 src/compat/Makefile
758 src/ctfser/Makefile
759 src/ctf-writer/Makefile
760 src/fd-cache/Makefile
761 src/lib/graph/Makefile
762 src/lib/graph/message/Makefile
763 src/lib/Makefile
764 src/lib/plugin/Makefile
765 src/lib/prio-heap/Makefile
766 src/lib/trace-ir/Makefile
767 src/logging/Makefile
768 src/Makefile
769 src/plugins/common/Makefile
770 src/plugins/common/muxing/Makefile
771 src/plugins/common/param-validation/Makefile
772 src/plugins/ctf/common/bfcr/Makefile
773 src/plugins/ctf/common/Makefile
774 src/plugins/ctf/common/metadata/Makefile
775 src/plugins/ctf/common/msg-iter/Makefile
776 src/plugins/ctf/fs-sink/Makefile
777 src/plugins/ctf/fs-src/Makefile
778 src/plugins/ctf/lttng-live/Makefile
779 src/plugins/ctf/Makefile
780 src/plugins/lttng-utils/debug-info/Makefile
781 src/plugins/lttng-utils/Makefile
782 src/plugins/Makefile
783 src/plugins/text/dmesg/Makefile
784 src/plugins/text/Makefile
785 src/plugins/text/pretty/Makefile
786 src/plugins/text/details/Makefile
787 src/plugins/utils/counter/Makefile
788 src/plugins/utils/dummy/Makefile
789 src/plugins/utils/Makefile
790 src/plugins/utils/muxer/Makefile
791 src/plugins/utils/trimmer/Makefile
792 src/py-common/Makefile
793 src/python-plugin-provider/Makefile
794 src/param-parse/Makefile
795 src/string-format/Makefile
796 tests/bitfield/Makefile
797 tests/ctf-writer/Makefile
798 tests/lib/Makefile
799 tests/lib/test-plugin-plugins/Makefile
800 tests/Makefile
801 tests/param-validation/Makefile
802 tests/plugins/Makefile
803 tests/plugins/src.ctf.fs/Makefile
804 tests/plugins/src.ctf.fs/succeed/Makefile
805 tests/plugins/sink.ctf.fs/Makefile
806 tests/plugins/sink.ctf.fs/succeed/Makefile
807 tests/plugins/flt.lttng-utils.debug-info/Makefile
808 tests/plugins/flt.utils.muxer/Makefile
809 tests/plugins/flt.utils.muxer/succeed/Makefile
810 tests/plugins/flt.utils.trimmer/Makefile
811 tests/utils/Makefile
812 tests/utils/tap/Makefile
813 ])
814
815 AC_OUTPUT
816
817 #
818 # Mini-report on what will be built.
819 #
820
821 PPRINT_INIT
822 PPRINT_SET_INDENT(1)
823 PPRINT_SET_TS(38)
824
825 AS_ECHO
826
827 AS_IF([test -n "bt_version_name"], [
828 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
829 ], [
830 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
831 ])
832
833 AS_ECHO
834
835 AS_IF([test -n "$bt_version_description"], [
836 AS_IF([test -n "$report_fold"], [
837 AS_ECHO("`AS_ECHO("$bt_version_description") | $report_fold -s`")
838 ], [
839 AS_ECHO("$bt_version_description")
840 ])
841
842 AS_ECHO
843 ])
844
845 PPRINT_SUBTITLE([System])
846
847 # Target architecture we're building for.
848 target_arch=$host_cpu
849 [
850 for f in $CFLAGS; do
851 if test $f = "-m32"; then
852 target_arch="32-bit"
853 elif test $f = "-m64"; then
854 target_arch="64-bit"
855 fi
856 done
857 ]
858
859 PPRINT_PROP_STRING([Target architecture], $target_arch)
860
861 AS_ECHO
862 PPRINT_SUBTITLE([Python 3 language support])
863 test "x$have_python" = "xyes" && value=1 || value=0
864 PPRINT_PROP_BOOL([Have Python interpreter], $value)
865 test "x$have_python_dev" = "xyes" && value=1 || value=0
866 PPRINT_PROP_BOOL([Have Python development libraries], $value)
867 test "x$enable_python_bindings" = "xyes" && value=1 || value=0
868 PPRINT_PROP_BOOL([Python bindings], $value)
869 test "x$enable_python_plugins" = "xyes" && value=1 || value=0
870 PPRINT_PROP_BOOL([Python plugin support], $value)
871 AS_IF([test "x$have_python" = "xyes"], [
872 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
873 ])
874 AS_IF([test "x$have_python_dev" = "xyes"], [
875 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
876 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
877 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
878 ])
879 AS_IF([test "x$enable_python_bindings" = "xyes"], [
880 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
881 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
882 ])
883
884 AS_ECHO
885 PPRINT_SUBTITLE([Plugins])
886 PPRINT_PROP_BOOL(['ctf' plugin], 1)
887 test "x$enable_debug_info" = "xyes" && value=1 || value=0
888 PPRINT_PROP_BOOL(['lttng-utils' plugin], $value)
889 PPRINT_PROP_BOOL(['text' plugin], 1)
890 PPRINT_PROP_BOOL(['utils' plugin], 1)
891
892 AS_ECHO
893 PPRINT_SUBTITLE([Built-in features])
894 test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
895 PPRINT_PROP_BOOL([Built-in plugins], $value)
896 test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
897 PPRINT_PROP_BOOL([Built-in Python plugin support], $value)
898
899 AS_ECHO
900 PPRINT_SUBTITLE([Documentation])
901
902 # man pages build enabled/disabled
903 m4_pushdef([build_man_pages_msg], [Build and install man pages])
904
905 AS_IF([test "x$enable_man_pages" != "xno"], [
906 AS_IF([test "x$in_git_repo" = "xyes"], [
907 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
908 ], [
909 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
910 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
911 ], [
912 PPRINT_PROP_STRING([build_man_pages_msg],
913 [${PPRINT_COLOR_BLDGRN}yes (already built)],
914 $PPRINT_COLOR_SUBTITLE)
915 ])
916 ])
917 ], [
918 PPRINT_PROP_BOOL([build_man_pages_msg], 0)
919 ])
920
921 m4_popdef([build_man_pages_msg])
922
923 test "x$enable_api_doc" = "xyes" && value=1 || value=0
924 PPRINT_PROP_BOOL([HTML API documentation], $value)
925 test "x$enable_python_bindings_doc" = "xyes" && value=1 || value=0
926 PPRINT_PROP_BOOL([Python bindings documentation], $value)
927
928 AS_ECHO
929 PPRINT_SUBTITLE([Logging])
930 PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
931
932 AS_ECHO
933 PPRINT_SUBTITLE([Special build modes])
934 PPRINT_PROP_BOOL([Debug mode], $BABELTRACE_DEBUG_MODE)
935 PPRINT_PROP_BOOL([Developer mode], $BABELTRACE_DEV_MODE)
936
937 report_bindir="`eval eval echo $bindir`"
938 report_libdir="`eval eval echo $libdir`"
939 report_sysconfdif="`eval eval echo $sysconfdir`"
940 report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
941 report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
942
943 # Print the bindir and libdir this `make install' will install into.
944 AS_ECHO
945 PPRINT_SUBTITLE([Install directories])
946 PPRINT_PROP_STRING([Binaries], [$report_bindir])
947 PPRINT_PROP_STRING([Libraries], [$report_libdir])
948 PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
949 PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
950 PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])
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