ea652c734c737d28259147fb20f4d3af4103e7a9
[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], [1])
31 m4_define([bt_version_patch], [0])
32 m4_define([bt_version_dev_stage], [-rc1])
33 m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_dev_stage)
34 m4_define([bt_version_name], [])
35
36 AC_INIT([babeltrace2], 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=""
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$BABELTRACE_DEBUG_MODE" = x1], [
353 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
354 ], [BABELTRACE_DEBUG_MODE=0])
355
356
357 ## ##
358 ## Optionnal features selection ##
359 ## ##
360
361 # Python bindings
362 # Disabled by default
363 AC_ARG_ENABLE([python-bindings],
364 [AC_HELP_STRING([--enable-python-bindings], [build the Python bindings])],
365 [], dnl AC_ARG_ENABLE will fill enable_python_bindings with the user choice
366 [enable_python_bindings=unspecified]
367 )
368
369 # Python plugins
370 # Disabled by default
371 AC_ARG_ENABLE([python-plugins],
372 [AC_HELP_STRING([--enable-python-plugins], [enable the Python plugins support for the library and converter])]
373 dnl AC_ARG_ENABLE will fill enable_python_plugins with the user choice
374 )
375
376 # Debug info
377 # Enabled by default, except on some platforms
378 AC_ARG_ENABLE([debug-info],
379 [AC_HELP_STRING([--disable-debug-info], [disable the debug info support (default on macOS, Solaris and Windows)])],
380 [], dnl AC_ARG_ENABLE will fill enable_debug_info with the user choice
381 [enable_debug_info="$DEFAULT_ENABLE_DEBUG_INFO"]
382 )
383
384 # API documentation
385 # Disabled by default
386 AC_ARG_ENABLE([api-doc],
387 [AC_HELP_STRING([--enable-api-doc], [build the HTML API documentation])],
388 [enable_api_doc=$enableval]
389 )
390
391 # Built-in plugins
392 # Disabled by default
393 AC_ARG_ENABLE([built-in-plugins],
394 [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace2 executable])]
395 dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
396 )
397
398 # Built-in python plugin support
399 # Disabled by default
400 AC_ARG_ENABLE([built-in-python-plugin-support],
401 [AC_HELP_STRING([--enable-built-in-python-plugin-support], [Statically-link Python plugin support into the babeltrace library])]
402 dnl AC_ARG_ENABLE will fill enable_built_in_python_plugin_support with the user choice
403 )
404
405 # Man pages
406 # Enabled by default
407 AC_ARG_ENABLE([man-pages],
408 [AS_HELP_STRING([--disable-man-pages], [Do not build and install man pages (already built in a distributed tarball])],
409 [], dnl AC_ARG_ENABLE will fill enable_man_pages with the user choice
410 [enable_man_pages=yes]
411 )
412
413
414 # Set automake variables for optionnal feature conditionnals in Makefile.am
415 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], [test "x$enable_python_bindings" = xyes])
416 AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], [test "x$enable_python_plugins" = xyes])
417 AM_CONDITIONAL([ENABLE_DEBUG_INFO], [test "x$enable_debug_info" = xyes])
418 AM_CONDITIONAL([ENABLE_API_DOC], [test "x$enable_api_doc" = xyes])
419 AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], [test "x$enable_built_in_plugins" = xyes])
420 AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$enable_built_in_python_plugin_support" = xyes])
421 AM_CONDITIONAL([ENABLE_MAN_PAGES], [test "x$enable_man_pages" = xyes])
422 AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], [test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes])
423
424 # Set defines for optionnal features conditionnals in the source code
425
426 ## jgalar: still used?
427 AS_IF([test "x$enable_python_plugins" = xyes],
428 [AC_DEFINE([PYTHON_PLUGINS], [1], [Python plugin support.])]
429 )
430
431 AS_IF([test "x$enable_debug_info" = xyes],
432 [AC_DEFINE([ENABLE_DEBUG_INFO], [1], [Define to 1 if you enable the 'debug info' feature])]
433 )
434
435 AS_IF([test "x$enable_built_in_plugins" = xyes],
436 [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
437 )
438
439 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
440 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
441 )
442
443 AS_IF([test "x$enable_debug_info" = xyes],
444 [ENABLE_DEBUG_INFO_VAL=1],
445 [ENABLE_DEBUG_INFO_VAL=0]
446 )
447
448 AC_SUBST([ENABLE_DEBUG_INFO_VAL])
449
450 # Check for conflicting Python related features user choices.
451 AS_IF([test "x$enable_python_plugins" = xyes],
452 [
453 AS_IF([test "x$enable_python_bindings" = xunspecified],
454 [
455 # --enable-python-plugins was provided but --enable-python-bindings was
456 # omitted. Turn the Python bindings ON anyway because it's needed to
457 # use the Python plugins.
458 enable_python_bindings=yes
459 ],
460 [
461 AS_IF([test "x$enable_python_bindings" = xno],
462 [
463 # --enable-python-plugins _and_ --disable-python-bindings were
464 # used. This is invalid because Python plugins need the Python
465 # bindings to be useful.
466 AC_MSG_ERROR(--enable-python-bindings must be used to support Python plugins)
467 ]
468 )
469 ]
470 )
471 ]
472 )
473
474 # Check for conflicting optional features user choices
475
476 AS_IF([test "x$enable_built_in_plugins" = xyes],
477 [
478 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
479 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
480 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
481 ]
482 )
483
484 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
485 [
486 AS_IF([test "x$enable_python_plugins" != xyes], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
487 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
488 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
489 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
490 ]
491 )
492
493
494 # Check for optionnal features dependencies
495
496 AS_IF([test "x$enable_python_bindings" = xyes],
497 [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
498 )
499
500 AM_PATH_PYTHON([3.0], [
501 AM_PATH_PYTHON_MODULES([PYTHON])
502
503 # pythondir is the path where extra modules are to be installed
504 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
505
506 # pyexecdir is the path that contains shared objects used by the extra modules
507 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
508
509 AS_IF([test -z "$PYTHON_CONFIG"], [
510 AC_PATH_PROGS([PYTHON_CONFIG],
511 [python$PYTHON_VERSION-config python-config],
512 [],
513 [`dirname $PYTHON`])
514 ])
515
516 AS_IF([test -n "$PYTHON_CONFIG"], [
517 AS_IF([test -z "$PYTHON_INCLUDE"], [
518 AC_MSG_CHECKING([Python include flags])
519 PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
520 AC_MSG_RESULT([$PYTHON_INCLUDE])
521 ])
522
523 AS_IF([test -z "$PYTHON_LDFLAGS"], [
524 AC_MSG_CHECKING([Python library flags])
525 # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
526 AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
527 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
528 ])
529 AC_MSG_RESULT([$PYTHON_LDFLAGS])
530 ])
531 ])
532 ], [:])
533
534 AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
535 AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
536
537 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
538 AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
539
540 AS_IF([test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes], [
541 AS_IF([test "x$have_python_dev" = xno], [
542 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
543 ])
544 ])
545
546 AS_IF([test "x$enable_debug_info" = xyes],
547 [
548 # Check if libelf and libdw are present
549 AC_CHECK_LIB([elf], [elf_version], [:], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
550 AC_CHECK_LIB([dw], [dwarf_begin], [:], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
551 BT_LIB_ELFUTILS([0], [154], [:], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
552 ELFUTILS_LIBS="-lelf -ldw"
553 ]
554 )
555 AC_SUBST([ELFUTILS_LIBS])
556
557 AS_IF([test "x$enable_api_doc" = "xyes"],
558 [
559 DX_DOXYGEN_FEATURE(ON)
560 DX_DOT_FEATURE(OFF)
561 DX_HTML_FEATURE(ON)
562 DX_CHM_FEATURE(OFF)
563 DX_CHI_FEATURE(OFF)
564 DX_MAN_FEATURE(OFF)
565 DX_RTF_FEATURE(OFF)
566 DX_XML_FEATURE(OFF)
567 DX_PDF_FEATURE(OFF)
568 DX_PS_FEATURE(OFF)
569 DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
570 AS_IF([test -z "$DX_DOXYGEN"],
571 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
572 )
573 ]
574 )
575
576 have_asciidoc_xmlto=no
577 warn_prebuilt_man_pages=no
578
579 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
580 AC_PATH_PROG([XMLTO], [xmlto], [no])
581
582 AS_IF([test "x$enable_man_pages" = "xyes"], [
583 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
584 AS_IF([test "x$in_git_repo" = "xyes"], [
585 # this is an error because we're in the Git repo, which
586 # means the man pages are not already generated for us,
587 # thus asciixmlto are required because we were asked
588 # to build the man pages
589 AC_MSG_ERROR([
590 You need asciidoc and xmlto to build the Babeltrace man pages. Use
591 --disable-man-pages to disable building the man pages, in which case
592 they will not be installed.
593 ])
594 ], [
595 # only warn here: since we're in the tarball, the man
596 # pages should already be generated at this point, thus
597 # asciidoc/xmlto are not strictly required
598 warn_prebuilt_man_pages=yes
599 ])
600 ], [
601 have_asciidoc_xmlto=yes
602 ])
603 ])
604
605 # export AsciiDoc and xmlto existence
606 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
607
608 # a wonderful hack that seems necessary because $libdir is
609 # literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
610 # by autoconf when it's not specified by the user
611 AS_IF([test "x$exec_prefix" = xNONE], [
612 AS_IF([test "x$prefix" = xNONE], [
613 PREFIX="$ac_default_prefix"
614 ], [
615 PREFIX="$prefix"
616 ])
617
618 LIBDIR="$PREFIX/lib"
619 ], [
620 LIBDIR="$libdir"
621 ])
622
623 AC_SUBST(LIBDIR)
624
625 # CFLAGS from libraries (the glib ones are needed for the following sizeof
626 # test).
627 AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
628
629 # Check that the current size_t matches the size that glib thinks it should
630 # be. This catches problems on multi-arch where people try to do a 32-bit
631 # build while pointing at 64-bit glib headers. This is a common error because
632 # glib.h is not platform specific but it includes glibconfig.h which is and
633 # is usually installed in a non-standard path.
634
635 # Do this before enabling all the warning flags, as the
636 # AC_LANG_PROGRAM-generated program may generate some warning, which makes this
637 # test fail unnecessarily.
638
639 # Older versions of the pkg-config macros disallows PKG_* in the autoconf
640 # output. Specifically allow pkg_config_libdir to be able to print the
641 # error message.
642 m4_pattern_allow([PKG_CONFIG_LIBDIR])
643
644 save_CFLAGS=${CFLAGS}
645 CFLAGS="${CFLAGS} ${AM_CFLAGS}"
646 AC_COMPILE_IFELSE([
647 AC_LANG_PROGRAM([dnl
648 #include <glib.h>
649 #include <unistd.h>
650 ], [dnl
651 G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
652 ])
653 ],[:],[
654 AC_MSG_ERROR([dnl
655 sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
656 PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
657 target.
658 ])
659 ])
660 CFLAGS=${save_CFLAGS}
661
662 # Detect C and LD warning flags supported by the compiler.
663
664 # Detect warning flags supported by the compiler, append them to WARN_CFLAGS.
665 #
666 # Pass -Werror as an extra flag during the test: this is needed to make the
667 # -Wunknown-warning-option diagnostic fatal with clang.
668 AX_APPEND_COMPILE_FLAGS([ dnl
669 -Wall dnl
670 -Wextra dnl
671 -Wstrict-prototypes dnl
672 -Wmissing-prototypes dnl
673 -Wmissing-declarations dnl
674 -Wnull-dereference dnl
675 -Wundef dnl
676 -Wredundant-decls dnl
677 -Wshadow dnl
678 -Wjump-misses-init dnl
679 -Wsuggest-attribute=format dnl
680 -Wtautological-constant-out-of-range-compare dnl
681 -Wnested-externs dnl
682 -Wwrite-strings dnl
683 -Wformat=2 dnl
684 -Wno-format-nonliteral dnl
685 -Wstrict-aliasing dnl
686 -Wmissing-noreturn dnl
687 -Winit-self dnl
688 -Wduplicated-cond dnl
689 -Wduplicated-branches dnl
690 -Wlogical-op dnl
691 -Wno-unused-parameter dnl
692 -Wno-sign-compare dnl
693 dnl
694 dnl Some versions of SWIG (like 3.0.12) generate code that produces
695 dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
696 dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
697 dnl 4.0.1) have the correct function signatures to not produce this warning.
698 dnl It's simpler to just disable the warning globally.
699 dnl
700 dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
701 dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
702 dnl reproduce the warning using that package.
703 dnl
704 dnl Ref: https://github.com/swig/swig/issues/1259
705 -Wno-cast-function-type dnl
706 -Wno-missing-field-initializers dnl
707 ],
708 [WARN_CFLAGS],
709 [-Werror])
710
711 # When given, add -Werror to WARN_CFLAGS.
712 AC_ARG_ENABLE([Werror],
713 [AS_HELP_STRING([--enable-Werror], [Treat compiler warnings as errors.])]
714 )
715 AS_IF([test "x$enable_Werror" = "xyes"],
716 [WARN_CFLAGS="${WARN_CFLAGS} -Werror"]
717 )
718
719 # The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
720 # written in such a way that it triggers a -Wold-style-definition warning. So
721 # this warning always ends up disabled if we put it there, because the test
722 # program does not build.
723 #
724 # Enable it here unconditionally. It is supported by GCC >= 4.8 and by Clang
725 # (it is accepted for compatibility although it has no effect), and there is
726 # not reason to not want it.
727
728 WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition"
729
730 # CFLAGS from AX_APPEND_COMPILE_FLAGS.
731 AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
732
733 # Done for AM_CFLAGS.
734 AC_SUBST(AM_CFLAGS)
735
736 # Set global CPPFLAGS in AM_CPPFLAGS
737 AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
738 AC_SUBST(AM_CPPFLAGS)
739
740 # Add glib to global link libs
741 LIBS="$LIBS $GLIB_LIBS"
742
743 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
744 # to rename babeltrace2.bin to babeltrace2 at install time.
745 program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
746 AC_SUBST(program_transform_name)
747
748 AC_CONFIG_FILES([
749 doc/api/Makefile
750 doc/api/libbabeltrace2/Doxyfile
751 doc/api/libbabeltrace2/Makefile
752 doc/contributing-images/Makefile
753 doc/Makefile
754 doc/man/asciidoc-attrs.conf
755 doc/man/Makefile
756 include/Makefile
757 Makefile
758 src/argpar/Makefile
759 src/autodisc/Makefile
760 src/babeltrace2-ctf-writer.pc
761 src/babeltrace2.pc
762 src/bindings/Makefile
763 src/bindings/python/bt2/bt2/version.py
764 src/bindings/python/bt2/Makefile
765 src/bindings/python/bt2/setup.py
766 src/bindings/python/Makefile
767 src/cli/Makefile
768 src/common/Makefile
769 src/compat/Makefile
770 src/ctfser/Makefile
771 src/ctf-writer/Makefile
772 src/fd-cache/Makefile
773 src/lib/graph/Makefile
774 src/lib/graph/message/Makefile
775 src/lib/Makefile
776 src/lib/plugin/Makefile
777 src/lib/prio-heap/Makefile
778 src/lib/trace-ir/Makefile
779 src/logging/Makefile
780 src/Makefile
781 src/plugins/common/Makefile
782 src/plugins/common/muxing/Makefile
783 src/plugins/common/param-validation/Makefile
784 src/plugins/ctf/common/bfcr/Makefile
785 src/plugins/ctf/common/Makefile
786 src/plugins/ctf/common/metadata/Makefile
787 src/plugins/ctf/common/msg-iter/Makefile
788 src/plugins/ctf/fs-sink/Makefile
789 src/plugins/ctf/fs-src/Makefile
790 src/plugins/ctf/lttng-live/Makefile
791 src/plugins/ctf/Makefile
792 src/plugins/lttng-utils/debug-info/Makefile
793 src/plugins/lttng-utils/Makefile
794 src/plugins/Makefile
795 src/plugins/text/dmesg/Makefile
796 src/plugins/text/Makefile
797 src/plugins/text/pretty/Makefile
798 src/plugins/text/details/Makefile
799 src/plugins/utils/counter/Makefile
800 src/plugins/utils/dummy/Makefile
801 src/plugins/utils/Makefile
802 src/plugins/utils/muxer/Makefile
803 src/plugins/utils/trimmer/Makefile
804 src/py-common/Makefile
805 src/python-plugin-provider/Makefile
806 src/param-parse/Makefile
807 src/string-format/Makefile
808 tests/bitfield/Makefile
809 tests/ctf-writer/Makefile
810 tests/lib/Makefile
811 tests/lib/test-plugin-plugins/Makefile
812 tests/Makefile
813 tests/param-validation/Makefile
814 tests/plugins/Makefile
815 tests/plugins/src.ctf.fs/Makefile
816 tests/plugins/src.ctf.fs/succeed/Makefile
817 tests/plugins/sink.ctf.fs/Makefile
818 tests/plugins/sink.ctf.fs/succeed/Makefile
819 tests/plugins/flt.lttng-utils.debug-info/Makefile
820 tests/plugins/flt.utils.muxer/Makefile
821 tests/plugins/flt.utils.muxer/succeed/Makefile
822 tests/plugins/flt.utils.trimmer/Makefile
823 tests/utils/Makefile
824 tests/utils/tap/Makefile
825 ])
826
827 AC_OUTPUT
828
829 #
830 # Mini-report on what will be built.
831 #
832
833 PPRINT_INIT
834 PPRINT_SET_INDENT(1)
835 PPRINT_SET_TS(38)
836
837 AS_ECHO
838
839 AS_IF([test -n "bt_version_name"], [
840 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION \"bt_version_name\"$PPRINT_COLOR_RST")
841 ], [
842 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION")
843 ])
844
845 AS_ECHO
846
847 AS_IF([test -n "$bt_version_description"], [
848 AS_IF([test -n "$report_fold"], [
849 AS_ECHO("`AS_ECHO("$bt_version_description") | $report_fold -s`")
850 ], [
851 AS_ECHO("$bt_version_description")
852 ])
853
854 AS_ECHO
855 ])
856
857 PPRINT_SUBTITLE([System])
858
859 # Target architecture we're building for.
860 target_arch=$host_cpu
861 [
862 for f in $CFLAGS; do
863 if test $f = "-m32"; then
864 target_arch="32-bit"
865 elif test $f = "-m64"; then
866 target_arch="64-bit"
867 fi
868 done
869 ]
870
871 PPRINT_PROP_STRING([Target architecture], $target_arch)
872
873 AS_ECHO
874 PPRINT_SUBTITLE([Python 3 language support])
875 test "x$have_python" = "xyes" && value=1 || value=0
876 PPRINT_PROP_BOOL([Have Python interpreter], $value)
877 test "x$have_python_dev" = "xyes" && value=1 || value=0
878 PPRINT_PROP_BOOL([Have Python development libraries], $value)
879 test "x$enable_python_bindings" = "xyes" && value=1 || value=0
880 PPRINT_PROP_BOOL_CUSTOM([Python bindings], $value, [To enable, use --enable-python-bindings])
881 test "x$enable_python_plugins" = "xyes" && value=1 || value=0
882 PPRINT_PROP_BOOL_CUSTOM([Python plugin support], $value, [To enable, use --enable-python-plugins])
883 AS_IF([test "x$have_python" = "xyes"], [
884 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
885 ])
886 AS_IF([test "x$have_python_dev" = "xyes"], [
887 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
888 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
889 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
890 ])
891 AS_IF([test "x$enable_python_bindings" = "xyes"], [
892 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
893 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
894 ])
895
896 AS_ECHO
897 PPRINT_SUBTITLE([Plugins])
898 PPRINT_PROP_BOOL(['ctf' plugin], 1)
899 test "x$enable_debug_info" = "xyes" && value=1 || value=0
900 PPRINT_PROP_BOOL_CUSTOM(['lttng-utils' plugin], $value, [To enable, use --enable-debug-info])
901 PPRINT_PROP_BOOL(['text' plugin], 1)
902 PPRINT_PROP_BOOL(['utils' plugin], 1)
903
904 AS_ECHO
905 PPRINT_SUBTITLE([Built-in features])
906 test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
907 PPRINT_PROP_BOOL_CUSTOM([Built-in plugins], $value, [To enable, use --enable-built-in-plugins])
908 test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
909 PPRINT_PROP_BOOL_CUSTOM([Built-in Python plugin support], $value, [To enable, use --enable-built-in-python-plugin-support])
910
911 AS_ECHO
912 PPRINT_SUBTITLE([Documentation])
913
914 # man pages build enabled/disabled
915 m4_pushdef([build_man_pages_msg], [Build and install man pages])
916
917 AS_IF([test "x$enable_man_pages" != "xno"], [
918 AS_IF([test "x$in_git_repo" = "xyes"], [
919 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
920 ], [
921 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
922 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
923 ], [
924 PPRINT_PROP_STRING([build_man_pages_msg],
925 [${PPRINT_COLOR_BLDGRN}yes (already built)],
926 $PPRINT_COLOR_SUBTITLE)
927 ])
928 ])
929 ], [
930 PPRINT_PROP_BOOL_CUSTOM([build_man_pages_msg], 0, [To build man pages, use --enable-man-pages])
931 ])
932
933 m4_popdef([build_man_pages_msg])
934
935 test "x$enable_api_doc" = "xyes" && value=1 || value=0
936 PPRINT_PROP_BOOL_CUSTOM([HTML API documentation], $value, [To build documentation, use --enable-api-doc])
937
938 AS_ECHO
939 PPRINT_SUBTITLE([Logging])
940 PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
941
942 AS_ECHO
943 PPRINT_SUBTITLE([Special build modes])
944 PPRINT_PROP_BOOL_CUSTOM([Debug mode], $BABELTRACE_DEBUG_MODE, [To enable, set the BABELTRACE_DEBUG_MODE environment variable to 1])
945 PPRINT_PROP_BOOL_CUSTOM([Developer mode], $BABELTRACE_DEV_MODE, [To enable, set the BABELTRACE_DEV_MODE environment variable to 1])
946
947 report_bindir="`eval eval echo $bindir`"
948 report_libdir="`eval eval echo $libdir`"
949 report_sysconfdif="`eval eval echo $sysconfdir`"
950 report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
951 report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
952
953 # Print the bindir and libdir this `make install' will install into.
954 AS_ECHO
955 PPRINT_SUBTITLE([Install directories])
956 PPRINT_PROP_STRING([Binaries], [$report_bindir])
957 PPRINT_PROP_STRING([Libraries], [$report_libdir])
958 PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
959 PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
960 PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])
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