Fix -Wmissing-prototypes/-Wmissing-declarations warnings
[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_extra], [-pre6])
33 m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_extra)
34
35 AC_INIT([babeltrace], bt_version, [jeremie dot galarneau at efficios dot com], [], [https://efficios.com/babeltrace/])
36
37 # Following the numbering scheme proposed by libtool for the library version
38 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
39 m4_define([bt_lib_version_current], [0])
40 m4_define([bt_lib_version_revision], [0])
41 m4_define([bt_lib_version_age], [0])
42 m4_define([bt_lib_version], bt_lib_version_current[:]bt_lib_version_revision[:]bt_lib_version_age)
43
44 AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_lib_version)
45
46 AC_CONFIG_HEADERS([src/common/config.h])
47 AC_CONFIG_AUX_DIR([config])
48 AC_CONFIG_MACRO_DIR([m4])
49
50 AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
51 AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
52 AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
53 AC_DEFINE([BT_VERSION_EXTRA], ["]bt_version_extra["], [Babeltrace extra version])
54
55 AC_CANONICAL_TARGET
56 AC_CANONICAL_HOST
57
58
59 ## ##
60 ## Automake base setup ##
61 ## ##
62
63 AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
64 AM_MAINTAINER_MODE([enable])
65
66 # Enable silent rules if available (Introduced in AM 1.11)
67 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
68
69
70 ## ##
71 ## OS specific defaults ##
72 ## ##
73
74 MINGW32=no
75 DEFAULT_ENABLE_DEBUG_INFO=yes
76 LT_NO_UNDEFINED=""
77 AS_CASE([$host_os],
78 [solaris*|darwin*],
79 [
80 DEFAULT_ENABLE_DEBUG_INFO=no
81 ],
82 [cygwin*],
83 [
84 DEFAULT_ENABLE_DEBUG_INFO=no
85 LT_NO_UNDEFINED="-no-undefined"
86 ],
87 [mingw*],
88 [
89 MINGW32=yes
90 DEFAULT_ENABLE_DEBUG_INFO=no
91 LT_NO_UNDEFINED="-no-undefined"
92 ]
93 )
94
95 AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
96 AC_SUBST(LT_NO_UNDEFINED)
97
98
99 ## ##
100 ## C compiler checks ##
101 ## ##
102
103 AC_USE_SYSTEM_EXTENSIONS
104 AC_SYS_LARGEFILE
105
106 # Choose the c compiler
107 AC_PROG_CC
108
109 # Make sure the c compiler supports C99
110 AC_PROG_CC_C99([], [AC_MSG_ERROR([The compiler does not support C99])])
111
112 # Make sure the c compiler supports __attributes__
113 AX_C___ATTRIBUTE__
114 AS_IF([test "x$ax_cv___attribute__" != "xyes"],
115 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
116
117 # Make sur we have pthread support
118 AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
119
120 # Checks for typedefs, structures, and compiler characteristics.
121 AC_C_INLINE
122 AC_C_TYPEOF
123 AC_TYPE_PID_T
124 AC_TYPE_SIZE_T
125 AC_TYPE_INT16_T
126 AC_TYPE_INT32_T
127 AC_TYPE_INT64_T
128 AC_TYPE_INT8_T
129 AC_TYPE_OFF_T
130 AC_TYPE_SSIZE_T
131 AC_TYPE_UINT16_T
132 AC_TYPE_UINT32_T
133 AC_TYPE_UINT64_T
134 AC_TYPE_UINT8_T
135 AC_CHECK_TYPES([ptrdiff_t])
136
137
138 ## ##
139 ## Header checks ##
140 ## ##
141
142 AC_HEADER_STDBOOL
143 AC_CHECK_HEADERS([ \
144 fcntl.h \
145 float.h \
146 ftw.h \
147 libintl.h \
148 limits.h \
149 malloc.h \
150 netdb.h \
151 netinet/in.h \
152 stddef.h \
153 sys/socket.h \
154 sys/time.h
155 ])
156
157
158 ## ##
159 ## Linker checks ##
160 ## ##
161
162 # Check if the linker supports no-as-needed
163 AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
164 AC_SUBST([LD_NO_AS_NEEDED])
165
166 # Check if the linker supports whole-archive
167 AX_CHECK_LINK_FLAG([-Wl,--whole-archive,--no-whole-archive],
168 [
169 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,--whole-archive,])
170 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [,--no-whole-archive])
171 ],[
172 # Fallback to force_load for the macOS linker
173 AX_CHECK_LINK_FLAG([-Wl,-force_load],
174 [
175 AC_SUBST([LD_WHOLE_ARCHIVE], [-Wl,-force_load,])
176 AC_SUBST([LD_NO_WHOLE_ARCHIVE], [])
177 ],[
178 AC_MSG_WARN([Can't find a linker option to force the inclusion of the static plugin archive objects.])
179 ]
180 )
181 ]
182 )
183
184 # Initialize and configure libtool
185 LT_INIT([win32-dll])
186
187
188 ## ##
189 ## Programs checks ##
190 ## ##
191
192 AC_PROG_MAKE_SET
193 AC_PROG_MKDIR_P
194 AC_PROG_LN_S
195
196 # set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
197 # is not distributed in tarballs
198 AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
199 AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
200
201 # check for bison
202 AC_PROG_YACC
203 AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
204
205 AS_IF([test "x$have_bison" != "xyes"], [
206 AS_IF([test "x$in_git_repo" = "xyes"], [
207 AC_MSG_FAILURE([dnl
208 Bison >= 2.4 is required when building from the Git repository. You can
209 set the YACC variable to override automatic detection.
210 ])
211 ], [
212 AC_MSG_WARN([dnl
213 Missing Bison >= 2.4. Note that the parser files are already built in
214 this distribution tarball, so Bison is only needed if you intend to
215 modify their sources. You can set the YACC variable to override automatic
216 detection.
217 ])
218 ])
219 ])
220 AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
221
222 # check for flex
223 AC_PROG_LEX
224 AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
225
226 AS_IF([test "x$have_flex" != "xyes"], [
227 AS_IF([test "x$in_git_repo" = "xyes"], [
228 AC_MSG_FAILURE([dnl
229 Flex >= 2.5.35 is required when building from the Git repository. You can
230 set the LEX variable to override automatic detection.
231 ])
232 ], [
233 AC_MSG_WARN([dnl
234 Missing Flex >= 2.5.35. Note that the lexer files are already built in
235 this distribution tarball, so Flex is only needed if you intend to
236 modify their sources. You can set the LEX variable to override automatic
237 detection.
238 ])
239 ])
240 ])
241 AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
242
243
244 ## ##
245 ## Library checks ##
246 ## ##
247
248 # Check what libraries are required on this platform to link sockets programs.
249 AX_LIB_SOCKET_NSL
250
251 # Check for glib >= 2.28 with gmodule support
252 AM_PATH_GLIB_2_0([2.28.0], [],
253 AC_MSG_ERROR([glib >= 2.28 is required - download it from ftp://ftp.gtk.org/pub/gtk]),
254 [gmodule-no-export]
255 )
256
257 # Checks for library functions.
258 AC_FUNC_ALLOCA
259 AC_FUNC_FORK
260 AC_FUNC_MKTIME
261 AC_FUNC_MMAP
262 AC_FUNC_STRERROR_R
263 AC_FUNC_STRNLEN
264 AC_CHECK_FUNCS([ \
265 atexit \
266 dup2 \
267 ftruncate \
268 gethostbyname \
269 gettimeofday \
270 localtime_r \
271 memchr \
272 memset \
273 mkdir \
274 mkdtemp \
275 munmap \
276 rmdir \
277 setenv \
278 socket \
279 strchr \
280 strdup \
281 strerror \
282 strndup \
283 strnlen \
284 strrchr \
285 strstr \
286 strtoul \
287 strtoull \
288 tzset \
289 ])
290
291 # AC_FUNC_MALLOC causes problems when cross-compiling.
292 #AC_FUNC_MALLOC
293 #AC_FUNC_REALLOC
294
295 # Check for fmemopen
296 AC_CHECK_LIB([c], [fmemopen],
297 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
298 )
299
300 # Check for open_memstream
301 AC_CHECK_LIB([c], [open_memstream],
302 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
303 )
304
305 # Check for posix_fallocate
306 AC_CHECK_LIB([c], [posix_fallocate],
307 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
308 )
309
310 ## ##
311 ## User variables ##
312 ## ##
313
314 AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
315 AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
316 AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
317
318 # BABELTRACE_PLUGINS_DIR: Plugins directory
319 AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
320 AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
321
322 # BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
323 AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
324 AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
325
326 # BABELTRACE_MINIMAL_LOG_LEVEL:
327 AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
328 AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = x], [BABELTRACE_MINIMAL_LOG_LEVEL="DEBUG"])
329 AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "TRACE" && \
330 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && \
331 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO"],
332 [AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use TRACE, DEBUG, or INFO.])]
333 )
334 AC_DEFINE_UNQUOTED([BT_MINIMAL_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
335
336 # BABELTRACE_DEV_MODE:
337 AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
338 AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
339 AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
340 ], [BABELTRACE_DEV_MODE=0])
341
342 # BABELTRACE_DEBUG_MODE:
343 AC_ARG_VAR([BABELTRACE_DEBUG_MODE], [Set to 1 to enable the Babeltrace debug mode (enables internal assertions for Babeltrace maintainers)])
344 AS_IF([test "x$BABELTRACE_DEBUG_MODE" = x1], [
345 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
346 ], [BABELTRACE_DEBUG_MODE=0])
347
348
349 ## ##
350 ## Optionnal features selection ##
351 ## ##
352
353 # Python bindings
354 # Disabled by default
355 AC_ARG_ENABLE([python-bindings],
356 [AC_HELP_STRING([--enable-python-bindings], [build the Python bindings])],
357 [], dnl AC_ARG_ENABLE will fill enable_python_bindings with the user choice
358 [enable_python_bindings=no]
359 )
360
361 # Python bindings documentation
362 # Disabled by default
363 AC_ARG_ENABLE([python-bindings-doc],
364 [AC_HELP_STRING([--enable-python-bindings-doc], [build the Python bindings documentation])],
365 [], dnl AC_ARG_ENABLE will fill enable_python_bindings_doc with the user choice
366 [enable_python_bindings_doc=no]
367 )
368
369 # Python plugins
370 # Disabled by default
371 AC_ARG_ENABLE([python-plugins],
372 [AC_HELP_STRING([--enable-python-plugins], [enable the Python plugins support for the library and converter])],
373 [], dnl AC_ARG_ENABLE will fill enable_python_plugins with the user choice
374 [enable_python_plugins=no]
375 )
376
377 # Debug info
378 # Enabled by default, except on some platforms
379 AC_ARG_ENABLE([debug-info],
380 [AC_HELP_STRING([--disable-debug-info], [disable the debug info support (default on macOS, Solaris and Windows)])],
381 [], dnl AC_ARG_ENABLE will fill enable_debug_info with the user choice
382 [enable_debug_info="$DEFAULT_ENABLE_DEBUG_INFO"]
383 )
384
385 # API documentation
386 # Disabled by default
387 AC_ARG_ENABLE([api-doc],
388 [AC_HELP_STRING([--enable-api-doc], [build the HTML API documentation])],
389 [enable_api_doc=$enableval],
390 [enable_api_doc=no]
391 )
392
393 # Built-in plugins
394 # Disabled by default
395 AC_ARG_ENABLE([built-in-plugins],
396 [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace2 executable])],
397 [], dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
398 [enable_built_in_plugins=no]
399 )
400
401 # Built-in python plugin support
402 # Disabled by default
403 AC_ARG_ENABLE([built-in-python-plugin-support],
404 [AC_HELP_STRING([--enable-built-in-python-plugin-support], [Statically-link Python plugin support into the babeltrace library])],
405 [], dnl AC_ARG_ENABLE will fill enable_built_in_python_plugin_support with the user choice
406 [enable_built_in_python_plugin_support=no]
407 )
408
409 # Man pages
410 # Enabled by default
411 AC_ARG_ENABLE([man-pages],
412 [AS_HELP_STRING([--disable-man-pages], [Do not build and install man pages (already built in a distributed tarball])],
413 [], dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
414 [enable_man_pages=yes]
415 )
416
417
418 # Set automake variables for optionnal feature conditionnals in Makefile.am
419 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], [test "x$enable_python_bindings" = xyes])
420 AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], [test "x$enable_python_bindings_doc" = xyes])
421 AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], [test "x$enable_python_plugins" = xyes])
422 AM_CONDITIONAL([ENABLE_DEBUG_INFO], [test "x$enable_debug_info" = xyes])
423 AM_CONDITIONAL([ENABLE_API_DOC], [test "x$enable_api_doc" = xyes])
424 AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], [test "x$enable_built_in_plugins" = xyes])
425 AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$enable_built_in_python_plugin_support" = xyes])
426 AM_CONDITIONAL([ENABLE_MAN_PAGES], [test "x$enable_man_pages" = xyes])
427 AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], [test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes])
428
429 # Set defines for optionnal features conditionnals in the source code
430
431 ## jgalar: still used?
432 AS_IF([test "x$enable_python_plugins" = xyes],
433 [AC_DEFINE([PYTHON_PLUGINS], [1], [Python plugin support.])]
434 )
435
436 AS_IF([test "x$enable_debug_info" = xyes],
437 [AC_DEFINE([ENABLE_DEBUG_INFO], [1], [Define to 1 if you enable the 'debug info' feature])]
438 )
439
440 AS_IF([test "x$enable_built_in_plugins" = xyes],
441 [AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
442 )
443
444 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
445 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
446 )
447
448 AS_IF([test "x$enable_debug_info" = xyes],
449 [ENABLE_DEBUG_INFO_VAL=1],
450 [ENABLE_DEBUG_INFO_VAL=0]
451 )
452
453 AC_SUBST([ENABLE_DEBUG_INFO_VAL])
454
455
456 # Check for conflicting optional features user choices
457
458 AS_IF([test "x$enable_python_bindings" = xno],
459 [
460 AS_IF([test "x$enable_python_bindings_doc" = xyes], [AC_MSG_ERROR([--enable-python-bindings-doc was specified without --enable-python-bindings])])
461 ]
462 )
463
464 AS_IF([test "x$enable_built_in_plugins" = xyes],
465 [
466 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
467 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
468 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
469 ]
470 )
471
472 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
473 [
474 AS_IF([test "x$enable_python_plugins" = xno], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
475 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
476 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
477 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
478 ]
479 )
480
481
482 # Check for optionnal features dependencies
483
484 AS_IF([test "x$enable_python_bindings" = xyes],
485 [AX_PKG_SWIG(2.0.0, [], [AC_MSG_ERROR([SWIG 2.0.0 or newer is required to build the python bindings])])]
486 )
487
488 AM_PATH_PYTHON([3.0], [
489 AM_PATH_PYTHON_MODULES([PYTHON])
490
491 # pythondir is the path where extra modules are to be installed
492 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
493
494 # pyexecdir is the path that contains shared objects used by the extra modules
495 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
496
497 AS_IF([test -z "$PYTHON_CONFIG"], [
498 AC_PATH_PROGS([PYTHON_CONFIG],
499 [python$PYTHON_VERSION-config python-config],
500 [],
501 [`dirname $PYTHON`])
502 ])
503
504 AS_IF([test -n "$PYTHON_CONFIG"], [
505 AS_IF([test -z "$PYTHON_INCLUDE"], [
506 AC_MSG_CHECKING([Python include flags])
507 PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
508 AC_MSG_RESULT([$PYTHON_INCLUDE])
509 ])
510
511 AS_IF([test -z "$PYTHON_LDFLAGS"], [
512 AC_MSG_CHECKING([Python library flags])
513 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
514 AC_MSG_RESULT([$PYTHON_LDFLAGS])
515 ])
516 ])
517 ], [:])
518
519 AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
520 AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
521
522 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
523 AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
524
525 AS_IF([test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes], [
526 AS_IF([test "x$have_python_dev" = xno], [
527 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
528 ])
529 ])
530
531 AS_IF([test "x$enable_python_bindings_doc" = xyes],
532 [
533 AM_CHECK_PYTHON_SPHINX([PYTHON])
534 AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno],
535 [AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])]
536 )
537 ]
538 )
539
540 AS_IF([test "x$enable_debug_info" = xyes],
541 [
542 # Check if libelf and libdw are present
543 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.)])
544 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.)])
545 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.)])
546 ELFUTILS_LIBS="-lelf -ldw"
547 ]
548 )
549 AC_SUBST([ELFUTILS_LIBS])
550
551 AS_IF([test "x$enable_api_doc" = "xyes"],
552 [
553 DX_DOXYGEN_FEATURE(ON)
554 DX_DOT_FEATURE(OFF)
555 DX_HTML_FEATURE(ON)
556 DX_CHM_FEATURE(OFF)
557 DX_CHI_FEATURE(OFF)
558 DX_MAN_FEATURE(OFF)
559 DX_RTF_FEATURE(OFF)
560 DX_XML_FEATURE(OFF)
561 DX_PDF_FEATURE(OFF)
562 DX_PS_FEATURE(OFF)
563 DX_INIT_DOXYGEN([Babeltrace], [$(srcdir)/Doxyfile], [output])
564 AS_IF([test -z "$DX_DOXYGEN"],
565 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
566 )
567 ]
568 )
569
570 have_asciidoc_xmlto=no
571 warn_prebuilt_man_pages=no
572
573 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
574 AC_PATH_PROG([XMLTO], [xmlto], [no])
575
576 AS_IF([test "x$enable_man_pages" = "xyes"], [
577 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
578 AS_IF([test "x$in_git_repo" = "xyes"], [
579 # this is an error because we're in the Git repo, which
580 # means the man pages are not already generated for us,
581 # thus asciixmlto are required because we were asked
582 # to build the man pages
583 AC_MSG_ERROR([
584 You need asciidoc and xmlto to build the Babeltrace man pages. Use
585 --disable-man-pages to disable building the man pages, in which case
586 they will not be installed.
587 ])
588 ], [
589 # only warn here: since we're in the tarball, the man
590 # pages should already be generated at this point, thus
591 # asciidoc/xmlto are not strictly required
592 warn_prebuilt_man_pages=yes
593 ])
594 ], [
595 have_asciidoc_xmlto=yes
596 ])
597 ])
598
599 # export AsciiDoc and xmlto existence
600 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
601
602 # a wonderful hack that seems necessary because $libdir is
603 # literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
604 # by autoconf when it's not specified by the user
605 AS_IF([test "x$exec_prefix" = xNONE], [
606 AS_IF([test "x$prefix" = xNONE], [
607 PREFIX="$ac_default_prefix"
608 ], [
609 PREFIX="$prefix"
610 ])
611
612 LIBDIR="$PREFIX/lib"
613 ], [
614 LIBDIR="$libdir"
615 ])
616
617 AC_SUBST(LIBDIR)
618
619 # CFLAGS from libraries (the glib ones are needed for the following sizeof
620 # test).
621 AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
622
623 # Check that the current size_t matches the size that glib thinks it should
624 # be. This catches problems on multi-arch where people try to do a 32-bit
625 # build while pointing at 64-bit glib headers. This is a common error because
626 # glib.h is not platform specific but it includes glibconfig.h which is and
627 # is usually installed in a non-standard path.
628
629 # Do this before enabling all the warning flags, as the
630 # AC_LANG_PROGRAM-generated program may generate some warning, which makes this
631 # test fail unnecessarily.
632
633 # Older versions of the pkg-config macros disallows PKG_* in the autoconf
634 # output. Specifically allow pkg_config_libdir to be able to print the
635 # error message.
636 m4_pattern_allow([PKG_CONFIG_LIBDIR])
637
638 save_CFLAGS=${CFLAGS}
639 CFLAGS="${CFLAGS} ${AM_CFLAGS}"
640 AC_COMPILE_IFELSE([
641 AC_LANG_PROGRAM([dnl
642 #include <glib.h>
643 #include <unistd.h>
644 ], [dnl
645 G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
646 ])
647 ],[:],[
648 AC_MSG_ERROR([dnl
649 sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
650 PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
651 target.
652 ])
653 ])
654 CFLAGS=${save_CFLAGS}
655
656 # Detect C and LD warning flags supported by the compiler.
657 AX_COMPILER_FLAGS(
658 [WARN_CFLAGS], dnl CFLAGS variable name
659 [WARN_LDFLAGS], dnl LDFLAGS variable name (unused for now)
660 [], dnl is-release
661 [], dnl Extra base CFLAGS
662 [ dnl Extra "yes" CFLAGS
663 dnl Disable these flags, either because we don't want them
664 dnl or because we want them but are not ready to enable them
665 dnl yet.
666 -Wno-sign-compare dnl
667 -Wno-inline dnl
668 -Wno-declaration-after-statement dnl
669 -Wno-switch-enum dnl
670 -Wno-switch-default dnl
671 -Wno-packed dnl
672 -Wno-pointer-arith dnl
673 -Wno-format-nonliteral dnl
674 -Wno-undef dnl
675 -Wno-double-promotion dnl
676 -Wno-cast-align dnl
677 ])
678
679 # CFLAGS from AX_COMPILER_FLAGS.
680 AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
681
682 # The test used in AX_COMPILER_FLAGS, generated using AC_LANG_PROGRAM, is
683 # written in such a way that it triggers a -Wold-style-definition warning. So
684 # if the user has -Werror in their CFLAGS, that warning flag will end up
685 # disabled, because the test program will not build.
686 #
687 # Enable it here unconditionally. It is supported by GCC >= 4.8 and by Clang
688 # (it is accepted for compatibility although it has no effect), and there is
689 # not reason to not want it.
690
691 AM_CFLAGS="${AM_CFLAGS} -Wold-style-definition"
692
693 # We want this one to always be an error.
694 AM_CFLAGS="${AM_CFLAGS} -Werror=implicit-function-declaration"
695
696 # Done for AM_CFLAGS.
697 AC_SUBST(AM_CFLAGS)
698
699 # Set global CPPFLAGS in AM_CPPFLAGS
700 AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
701 AC_SUBST(AM_CPPFLAGS)
702
703 # Add glib to global link libs
704 LIBS="$LIBS $GLIB_LIBS"
705
706 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
707 # to rename babeltrace2.bin to babeltrace2 at install time.
708 program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
709 AC_SUBST(program_transform_name)
710
711 AC_CONFIG_FILES([
712 doc/api/Doxyfile
713 doc/api/Makefile
714 doc/bindings/Makefile
715 doc/bindings/python/Makefile
716 doc/contributing-images/Makefile
717 doc/Makefile
718 doc/man/asciidoc-attrs.conf
719 doc/man/Makefile
720 include/Makefile
721 Makefile
722 src/argpar/Makefile
723 src/autodisc/Makefile
724 src/babeltrace2-ctf-writer.pc
725 src/babeltrace2.pc
726 src/bindings/Makefile
727 src/bindings/python/bt2/bt2/version.py
728 src/bindings/python/bt2/Makefile
729 src/bindings/python/bt2/setup.py
730 src/bindings/python/Makefile
731 src/cli/Makefile
732 src/common/Makefile
733 src/compat/Makefile
734 src/ctfser/Makefile
735 src/ctf-writer/Makefile
736 src/fd-cache/Makefile
737 src/lib/graph/Makefile
738 src/lib/graph/message/Makefile
739 src/lib/Makefile
740 src/lib/plugin/Makefile
741 src/lib/prio-heap/Makefile
742 src/lib/trace-ir/Makefile
743 src/logging/Makefile
744 src/Makefile
745 src/plugins/common/Makefile
746 src/plugins/common/muxing/Makefile
747 src/plugins/common/param-validation/Makefile
748 src/plugins/ctf/common/bfcr/Makefile
749 src/plugins/ctf/common/Makefile
750 src/plugins/ctf/common/metadata/Makefile
751 src/plugins/ctf/common/msg-iter/Makefile
752 src/plugins/ctf/fs-sink/Makefile
753 src/plugins/ctf/fs-src/Makefile
754 src/plugins/ctf/lttng-live/Makefile
755 src/plugins/ctf/Makefile
756 src/plugins/lttng-utils/debug-info/Makefile
757 src/plugins/lttng-utils/Makefile
758 src/plugins/Makefile
759 src/plugins/text/dmesg/Makefile
760 src/plugins/text/Makefile
761 src/plugins/text/pretty/Makefile
762 src/plugins/text/details/Makefile
763 src/plugins/utils/counter/Makefile
764 src/plugins/utils/dummy/Makefile
765 src/plugins/utils/Makefile
766 src/plugins/utils/muxer/Makefile
767 src/plugins/utils/trimmer/Makefile
768 src/py-common/Makefile
769 src/python-plugin-provider/Makefile
770 src/param-parse/Makefile
771 tests/bitfield/Makefile
772 tests/ctf-writer/Makefile
773 tests/argpar/Makefile
774 tests/lib/Makefile
775 tests/lib/test-plugin-plugins/Makefile
776 tests/Makefile
777 tests/param-validation/Makefile
778 tests/plugins/Makefile
779 tests/plugins/src.ctf.fs/Makefile
780 tests/plugins/src.ctf.fs/succeed/Makefile
781 tests/plugins/sink.ctf.fs/Makefile
782 tests/plugins/sink.ctf.fs/succeed/Makefile
783 tests/plugins/flt.lttng-utils.debug-info/Makefile
784 tests/plugins/flt.utils.muxer/Makefile
785 tests/plugins/flt.utils.muxer/succeed/Makefile
786 tests/plugins/flt.utils.trimmer/Makefile
787 tests/utils/Makefile
788 tests/utils/tap/Makefile
789 ])
790
791 AC_OUTPUT
792
793 #
794 # Mini-report on what will be built.
795 #
796
797 PPRINT_INIT
798 PPRINT_SET_INDENT(1)
799 PPRINT_SET_TS(38)
800
801 AS_ECHO
802 AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION$PPRINT_COLOR_RST")
803 AS_ECHO
804
805 PPRINT_SUBTITLE([System])
806
807 # Target architecture we're building for.
808 target_arch=$host_cpu
809 [
810 for f in $CFLAGS; do
811 if test $f = "-m32"; then
812 target_arch="32-bit"
813 elif test $f = "-m64"; then
814 target_arch="64-bit"
815 fi
816 done
817 ]
818
819 PPRINT_PROP_STRING([Target architecture], $target_arch)
820
821 AS_ECHO
822 PPRINT_SUBTITLE([Python 3 language support])
823 test "x$have_python" = "xyes" && value=1 || value=0
824 PPRINT_PROP_BOOL([Have Python interpreter], $value)
825 test "x$have_python_dev" = "xyes" && value=1 || value=0
826 PPRINT_PROP_BOOL([Have Python development libraries], $value)
827 test "x$enable_python_bindings" = "xyes" && value=1 || value=0
828 PPRINT_PROP_BOOL([Python bindings], $value)
829 test "x$enable_python_plugins" = "xyes" && value=1 || value=0
830 PPRINT_PROP_BOOL([Python plugin support], $value)
831 AS_IF([test "x$have_python" = "xyes"], [
832 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
833 ])
834 AS_IF([test "x$have_python_dev" = "xyes"], [
835 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
836 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
837 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
838 ])
839 AS_IF([test "x$enable_python_bindings" = "xyes"], [
840 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
841 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
842 ])
843
844 AS_ECHO
845 PPRINT_SUBTITLE([Plugins])
846 PPRINT_PROP_BOOL(['ctf' plugin], 1)
847 test "x$enable_debug_info" = "xyes" && value=1 || value=0
848 PPRINT_PROP_BOOL(['lttng-utils' plugin], $value)
849 PPRINT_PROP_BOOL(['text' plugin], 1)
850 PPRINT_PROP_BOOL(['utils' plugin], 1)
851
852 AS_ECHO
853 PPRINT_SUBTITLE([Built-in features])
854 test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
855 PPRINT_PROP_BOOL([Built-in plugins], $value)
856 test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
857 PPRINT_PROP_BOOL([Built-in Python plugin support], $value)
858
859 AS_ECHO
860 PPRINT_SUBTITLE([Documentation])
861
862 # man pages build enabled/disabled
863 m4_pushdef([build_man_pages_msg], [Build and install man pages])
864
865 AS_IF([test "x$enable_man_pages" != "xno"], [
866 AS_IF([test "x$in_git_repo" = "xyes"], [
867 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
868 ], [
869 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
870 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
871 ], [
872 PPRINT_PROP_STRING([build_man_pages_msg],
873 [${PPRINT_COLOR_BLDGRN}yes (already built)],
874 $PPRINT_COLOR_SUBTITLE)
875 ])
876 ])
877 ], [
878 PPRINT_PROP_BOOL([build_man_pages_msg], 0)
879 ])
880
881 m4_popdef([build_man_pages_msg])
882
883 test "x$enable_api_doc" = "xyes" && value=1 || value=0
884 PPRINT_PROP_BOOL([HTML API documentation], $value)
885 test "x$enable_python_bindings_doc" = "xyes" && value=1 || value=0
886 PPRINT_PROP_BOOL([Python bindings documentation], $value)
887
888 AS_ECHO
889 PPRINT_SUBTITLE([Logging])
890 PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
891
892 AS_ECHO
893 PPRINT_SUBTITLE([Special build modes])
894 PPRINT_PROP_BOOL([Debug mode], $BABELTRACE_DEBUG_MODE)
895 PPRINT_PROP_BOOL([Developer mode], $BABELTRACE_DEV_MODE)
896
897 report_bindir="`eval eval echo $bindir`"
898 report_libdir="`eval eval echo $libdir`"
899 report_sysconfdif="`eval eval echo $sysconfdir`"
900 report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
901 report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
902
903 # Print the bindir and libdir this `make install' will install into.
904 AS_ECHO
905 PPRINT_SUBTITLE([Install directories])
906 PPRINT_PROP_STRING([Binaries], [$report_bindir])
907 PPRINT_PROP_STRING([Libraries], [$report_libdir])
908 PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
909 PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
910 PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])
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