Document libbabeltrace2's C API
[babeltrace.git] / configure.ac
CommitLineData
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1dnl Process this file with autoconf to produce a configure script.
2dnl
3dnl Copyright (c) 2017 EfficiOS, Inc.
4dnl
5dnl Permission is hereby granted, free of charge, to any person obtaining a copy
6dnl of this software and associated documentation files (the "Software"), to deal
7dnl in the Software without restriction, including without limitation the rights
8dnl to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9dnl copies of the Software, and to permit persons to whom the Software is
10dnl furnished to do so, subject to the following conditions:
11dnl
12dnl The above copyright notice and this permission notice shall be included in
13dnl all copies or substantial portions of the Software.
14dnl
15dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18dnl AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20dnl OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21dnl SOFTWARE.
22
23## ##
24## Autoconf base setup ##
25## ##
26
9d594903 27AC_PREREQ([2.50])
9ffc0257 28
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29m4_define([bt_version_major], [2])
30m4_define([bt_version_minor], [0])
31m4_define([bt_version_patch], [0])
86aeb6b8 32m4_define([bt_version_extra], [-rc4])
a2edfc7d 33m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_extra)
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34
35AC_INIT([babeltrace], bt_version, [jeremie dot galarneau at efficios dot com], [], [https://efficios.com/babeltrace/])
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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
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39m4_define([bt_lib_version_current], [0])
40m4_define([bt_lib_version_revision], [0])
41m4_define([bt_lib_version_age], [0])
42m4_define([bt_lib_version], bt_lib_version_current[:]bt_lib_version_revision[:]bt_lib_version_age)
43
44AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_lib_version)
3fbccce7 45
578e048b 46AC_CONFIG_HEADERS([src/common/config.h])
ac65e355 47AC_CONFIG_AUX_DIR([config])
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48AC_CONFIG_MACRO_DIR([m4])
49
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50AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace major version])
51AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace minor version])
52AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace patch version])
53AC_DEFINE([BT_VERSION_EXTRA], ["]bt_version_extra["], [Babeltrace extra version])
a2edfc7d 54
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55AC_CANONICAL_TARGET
56AC_CANONICAL_HOST
80e2fb15 57
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58
59## ##
60## Automake base setup ##
61## ##
62
7a3f3e45 63AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
99e3ba41 64AM_MAINTAINER_MODE([enable])
ac65e355 65
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66# Enable silent rules if available (Introduced in AM 1.11)
67m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
0671bd13 68
3d5e9596 69
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70## ##
71## OS specific defaults ##
72## ##
73
74MINGW32=no
ca9f27f3 75DEFAULT_ENABLE_DEBUG_INFO=yes
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76LT_NO_UNDEFINED=""
77AS_CASE([$host_os],
78 [solaris*|darwin*],
79 [
80 DEFAULT_ENABLE_DEBUG_INFO=no
81 ],
82 [cygwin*],
83 [
84 DEFAULT_ENABLE_DEBUG_INFO=no
85 LT_NO_UNDEFINED="-no-undefined"
86 ],
87 [mingw*],
88 [
89 MINGW32=yes
90 DEFAULT_ENABLE_DEBUG_INFO=no
91 LT_NO_UNDEFINED="-no-undefined"
92 ]
93)
94
95AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
96AC_SUBST(LT_NO_UNDEFINED)
97
98
99## ##
100## C compiler checks ##
101## ##
102
80e2fb15 103AC_USE_SYSTEM_EXTENSIONS
217108a9 104AC_SYS_LARGEFILE
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105
106# Choose the c compiler
80e2fb15 107AC_PROG_CC
217108a9 108
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109# Make sure the c compiler supports C99
110AC_PROG_CC_C99([], [AC_MSG_ERROR([The compiler does not support C99])])
ac65e355 111
9ffc0257 112# Make sure the c compiler supports __attributes__
ec8add54 113AX_C___ATTRIBUTE__
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114AS_IF([test "x$ax_cv___attribute__" != "xyes"],
115 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
ec8add54 116
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117# Make sur we have pthread support
118AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
119
120# Checks for typedefs, structures, and compiler characteristics.
121AC_C_INLINE
122AC_C_TYPEOF
123AC_TYPE_PID_T
124AC_TYPE_SIZE_T
125AC_TYPE_INT16_T
126AC_TYPE_INT32_T
127AC_TYPE_INT64_T
128AC_TYPE_INT8_T
129AC_TYPE_OFF_T
130AC_TYPE_SSIZE_T
131AC_TYPE_UINT16_T
132AC_TYPE_UINT32_T
133AC_TYPE_UINT64_T
134AC_TYPE_UINT8_T
135AC_CHECK_TYPES([ptrdiff_t])
a2bc83d4 136
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137
138## ##
139## Header checks ##
140## ##
f0d8d709 141
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142AC_HEADER_STDBOOL
143AC_CHECK_HEADERS([ \
144 fcntl.h \
145 float.h \
e1f4c4f7 146 ftw.h \
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147 libintl.h \
148 limits.h \
149 malloc.h \
150 netdb.h \
151 netinet/in.h \
152 stddef.h \
153 sys/socket.h \
9ffc0257 154 sys/time.h
f847f3ae 155])
80e2fb15 156
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157
158## ##
159## Linker checks ##
160## ##
161
162# Check if the linker supports no-as-needed
163AX_APPEND_LINK_FLAGS([-Wl,--no-as-needed], [LD_NO_AS_NEEDED])
164AC_SUBST([LD_NO_AS_NEEDED])
165
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166# Check if the linker supports whole-archive
167AX_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
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184# Initialize and configure libtool
185LT_INIT([win32-dll])
186
187
188## ##
189## Programs checks ##
190## ##
191
192AC_PROG_MAKE_SET
193AC_PROG_MKDIR_P
194AC_PROG_LN_S
195
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196# set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
197# is not distributed in tarballs
198AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
199AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
200
201# check for bison
202AC_PROG_YACC
042f640b 203AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
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204
205AS_IF([test "x$have_bison" != "xyes"], [
206 AS_IF([test "x$in_git_repo" = "xyes"], [
9ffc0257 207 AC_MSG_FAILURE([dnl
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208Bison >= 2.4 is required when building from the Git repository. You can
209set the YACC variable to override automatic detection.
210 ])
211 ], [
9ffc0257 212 AC_MSG_WARN([dnl
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213Missing Bison >= 2.4. Note that the parser files are already built in
214this distribution tarball, so Bison is only needed if you intend to
215modify their sources. You can set the YACC variable to override automatic
216detection.
217 ])
218 ])
219])
220AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
221
222# check for flex
223AC_PROG_LEX
224AX_PROG_FLEX_VERSION([2.5.35], [have_flex=yes])
225
226AS_IF([test "x$have_flex" != "xyes"], [
227 AS_IF([test "x$in_git_repo" = "xyes"], [
9ffc0257 228 AC_MSG_FAILURE([dnl
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229Flex >= 2.5.35 is required when building from the Git repository. You can
230set the LEX variable to override automatic detection.
231 ])
232 ], [
9ffc0257 233 AC_MSG_WARN([dnl
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234Missing Flex >= 2.5.35. Note that the lexer files are already built in
235this distribution tarball, so Flex is only needed if you intend to
236modify their sources. You can set the LEX variable to override automatic
237detection.
238 ])
239 ])
240])
241AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
331d78f5 242
e5f5317f 243
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244## ##
245## Library checks ##
246## ##
ac65e355 247
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248# Check what libraries are required on this platform to link sockets programs.
249AX_LIB_SOCKET_NSL
250
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251# Check for glib >= 2.28 with gmodule support
252AM_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]),
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254 [gmodule-no-export]
255)
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256
257# Checks for library functions.
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258AC_FUNC_ALLOCA
259AC_FUNC_FORK
f847f3ae 260AC_FUNC_MKTIME
ac65e355 261AC_FUNC_MMAP
f847f3ae 262AC_FUNC_STRERROR_R
9ffc0257 263AC_FUNC_STRNLEN
2f8c0e47 264AC_CHECK_FUNCS([ \
f847f3ae 265 atexit \
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266 dup2 \
267 ftruncate \
268 gethostbyname \
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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 \
9ffc0257 285 strstr \
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286 strtoul \
287 strtoull \
288 tzset \
2f8c0e47 289])
ac65e355 290
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291# AC_FUNC_MALLOC causes problems when cross-compiling.
292#AC_FUNC_MALLOC
293#AC_FUNC_REALLOC
294
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295# Check for fmemopen
296AC_CHECK_LIB([c], [fmemopen],
9ffc0257 297 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FMEMOPEN], 1, [Has fmemopen support.])]
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298)
299
300# Check for open_memstream
301AC_CHECK_LIB([c], [open_memstream],
9ffc0257 302 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])]
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303)
304
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305# Check for posix_fallocate
306AC_CHECK_LIB([c], [posix_fallocate],
9ffc0257 307 [AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])]
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308)
309
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310## ##
311## User variables ##
312## ##
313
314AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for Python, bypassing python-config])
0b9113bf 315AC_ARG_VAR([PYTHON_LDFLAGS], [Linker flags for Python, bypassing python-config])
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316AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
317
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318# BABELTRACE_PLUGINS_DIR: Plugins directory
319AC_ARG_VAR([BABELTRACE_PLUGINS_DIR], [built-in plugins install directory [LIBDIR/babeltrace2/plugins]])
320AS_IF([test "x$BABELTRACE_PLUGINS_DIR" = x], [BABELTRACE_PLUGINS_DIR='${libdir}/babeltrace2/plugins'])
a094f13b 321
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322# BABELTRACE_PLUGIN_PROVIDERS_DIR: Plugin providers directory
323AC_ARG_VAR([BABELTRACE_PLUGIN_PROVIDERS_DIR], [built-in plugin providers install directory [LIBDIR/babeltrace2/plugin-providers]])
324AS_IF([test "x$BABELTRACE_PLUGIN_PROVIDERS_DIR" = x], [BABELTRACE_PLUGIN_PROVIDERS_DIR='${libdir}/babeltrace2/plugin-providers'])
325
9ffc0257 326# BABELTRACE_MINIMAL_LOG_LEVEL:
dd22a91f 327AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (TRACE, DEBUG (default), or INFO)])
f7a9ecd3 328AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = x], [BABELTRACE_MINIMAL_LOG_LEVEL="DEBUG"])
ef267d12 329AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "TRACE" && \
9ffc0257 330 test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && \
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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.])]
9ffc0257 333)
510400a9 334AC_DEFINE_UNQUOTED([BT_MINIMAL_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
9ffc0257 335
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336# BABELTRACE_DEV_MODE:
337AC_ARG_VAR([BABELTRACE_DEV_MODE], [Set to 1 to enable the Babeltrace developer mode (enables run-time checks for plugin developers)])
338AS_IF([test "x$BABELTRACE_DEV_MODE" = x1], [
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339 AC_DEFINE([BT_DEV_MODE], 1, [Babeltrace developer mode])
340], [BABELTRACE_DEV_MODE=0])
341
342# BABELTRACE_DEBUG_MODE:
343AC_ARG_VAR([BABELTRACE_DEBUG_MODE], [Set to 1 to enable the Babeltrace debug mode (enables internal assertions for Babeltrace maintainers)])
344AS_IF([test "x$BABELTRACE_DEBUG_MODE" = x1], [
345 AC_DEFINE([BT_DEBUG_MODE], 1, [Babeltrace debug mode])
346], [BABELTRACE_DEBUG_MODE=0])
347
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348
349## ##
350## Optionnal features selection ##
351## ##
24a3136a 352
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353# Python bindings
354# Disabled by default
94a6cea3 355AC_ARG_ENABLE([python-bindings],
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356 [AC_HELP_STRING([--enable-python-bindings], [build the Python bindings])],
357 [], dnl AC_ARG_ENABLE will fill enable_python_bindings with the user choice
358 [enable_python_bindings=no]
359)
360
361# Python bindings documentation
362# Disabled by default
363AC_ARG_ENABLE([python-bindings-doc],
364 [AC_HELP_STRING([--enable-python-bindings-doc], [build the Python bindings documentation])],
365 [], dnl AC_ARG_ENABLE will fill enable_python_bindings_doc with the user choice
366 [enable_python_bindings_doc=no]
367)
368
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369# Python plugins
370# Disabled by default
371AC_ARG_ENABLE([python-plugins],
372 [AC_HELP_STRING([--enable-python-plugins], [enable the Python plugins support for the library and converter])],
373 [], dnl AC_ARG_ENABLE will fill enable_python_plugins with the user choice
374 [enable_python_plugins=no]
375)
376
377# Debug info
378# Enabled by default, except on some platforms
379AC_ARG_ENABLE([debug-info],
380 [AC_HELP_STRING([--disable-debug-info], [disable the debug info support (default on macOS, Solaris and Windows)])],
381 [], dnl AC_ARG_ENABLE will fill enable_debug_info with the user choice
382 [enable_debug_info="$DEFAULT_ENABLE_DEBUG_INFO"]
383)
384
385# API documentation
386# Disabled by default
387AC_ARG_ENABLE([api-doc],
388 [AC_HELP_STRING([--enable-api-doc], [build the HTML API documentation])],
389 [enable_api_doc=$enableval],
390 [enable_api_doc=no]
391)
392
393# Built-in plugins
394# Disabled by default
395AC_ARG_ENABLE([built-in-plugins],
ec2c5e50 396 [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace2 executable])],
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397 [], dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
398 [enable_built_in_plugins=no]
399)
400
401# Built-in python plugin support
402# Disabled by default
403AC_ARG_ENABLE([built-in-python-plugin-support],
404 [AC_HELP_STRING([--enable-built-in-python-plugin-support], [Statically-link Python plugin support into the babeltrace library])],
405 [], dnl AC_ARG_ENABLE will fill enable_built_in_python_plugin_support with the user choice
406 [enable_built_in_python_plugin_support=no]
407)
408
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409# Man pages
410# Enabled by default
411AC_ARG_ENABLE([man-pages],
412 [AS_HELP_STRING([--disable-man-pages], [Do not build and install man pages (already built in a distributed tarball])],
413 [], dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
414 [enable_man_pages=yes]
415)
416
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417
418# Set automake variables for optionnal feature conditionnals in Makefile.am
419AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], [test "x$enable_python_bindings" = xyes])
420AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], [test "x$enable_python_bindings_doc" = xyes])
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421AM_CONDITIONAL([ENABLE_PYTHON_PLUGINS], [test "x$enable_python_plugins" = xyes])
422AM_CONDITIONAL([ENABLE_DEBUG_INFO], [test "x$enable_debug_info" = xyes])
423AM_CONDITIONAL([ENABLE_API_DOC], [test "x$enable_api_doc" = xyes])
424AM_CONDITIONAL([ENABLE_BUILT_IN_PLUGINS], [test "x$enable_built_in_plugins" = xyes])
425AM_CONDITIONAL([ENABLE_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$enable_built_in_python_plugin_support" = xyes])
0659f3af 426AM_CONDITIONAL([ENABLE_MAN_PAGES], [test "x$enable_man_pages" = xyes])
419fff0b 427AM_CONDITIONAL([ENABLE_PYTHON_COMMON_DEPS], [test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes])
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428
429# Set defines for optionnal features conditionnals in the source code
430
431## jgalar: still used?
432AS_IF([test "x$enable_python_plugins" = xyes],
433 [AC_DEFINE([PYTHON_PLUGINS], [1], [Python plugin support.])]
434)
435
436AS_IF([test "x$enable_debug_info" = xyes],
437 [AC_DEFINE([ENABLE_DEBUG_INFO], [1], [Define to 1 if you enable the 'debug info' feature])]
438)
439
440AS_IF([test "x$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
444AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
445 [AC_DEFINE([BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT], [1], [Define to 1 to register plug-in attributes in static executable sections])]
446)
447
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448AS_IF([test "x$enable_debug_info" = xyes],
449 [ENABLE_DEBUG_INFO_VAL=1],
450 [ENABLE_DEBUG_INFO_VAL=0]
451)
452
453AC_SUBST([ENABLE_DEBUG_INFO_VAL])
454
9ffc0257 455
811644b8 456# Check for conflicting optional features user choices
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457
458AS_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])])
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461 ]
462)
463
464AS_IF([test "x$enable_built_in_plugins" = xyes],
465 [
466 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
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467 AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
468 AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
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469 ]
470)
471
472AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
473 [
ec2c5e50 474 AS_IF([test "x$enable_python_plugins" = xno], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
9ffc0257 475 # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
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476 AS_IF([test "x$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$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
9ffc0257 478 ]
55bb57e0 479)
9cf643d1 480
4f5f37d9 481
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482# Check for optionnal features dependencies
483
484AS_IF([test "x$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
419fff0b 488AM_PATH_PYTHON([3.0], [
1b39e2de 489 AM_PATH_PYTHON_MODULES([PYTHON])
419fff0b 490
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491 # pythondir is the path where extra modules are to be installed
492 pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
419fff0b 493
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494 # pyexecdir is the path that contains shared objects used by the extra modules
495 pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
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496
497 AS_IF([test -z "$PYTHON_CONFIG"], [
498 AC_PATH_PROGS([PYTHON_CONFIG],
499 [python$PYTHON_VERSION-config python-config],
500 [],
501 [`dirname $PYTHON`])
24a3136a 502 ])
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503
504 AS_IF([test -n "$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])
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513 # Python 3.8+ requires that we pass --embed to get the -lpython3.x flag.
514 AS_IF([! PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags --embed`], [
515 PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
516 ])
419fff0b 517 AC_MSG_RESULT([$PYTHON_LDFLAGS])
55bb57e0 518 ])
55bb57e0 519 ])
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520], [:])
521
522AS_IF([test "$PYTHON" != :], [have_python=yes], [have_python=no])
523AS_IF([test -n "$PYTHON_CONFIG"], [have_python_dev=yes], [have_python_dev=no])
524
525AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = xyes])
526AM_CONDITIONAL([HAVE_PYTHON_DEV], [test "x$have_python_dev" = xyes])
527
528AS_IF([test "x$enable_python_bindings" = xyes || test "x$enable_python_plugins" = xyes], [
529 AS_IF([test "x$have_python_dev" = xno], [
530 AC_MSG_ERROR([Cannot find a suitable python-config. You can override the python-config path with the PYTHON_CONFIG environment variable.])
531 ])
532])
55bb57e0 533
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534AS_IF([test "x$enable_python_bindings_doc" = xyes],
535 [
17137804
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536 AM_CHECK_PYTHON_SPHINX([PYTHON])
537 AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno],
9ffc0257 538 [AC_MSG_ERROR([The Sphinx package for Python 3 is required to build the Python bindings documentation])]
4f5f37d9 539 )
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540 ]
541)
4f5f37d9 542
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543AS_IF([test "x$enable_debug_info" = xyes],
544 [
545 # Check if libelf and libdw are present
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546 AC_CHECK_LIB([elf], [elf_version], [:], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
547 AC_CHECK_LIB([dw], [dwarf_begin], [:], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
9ffc0257 548 BT_LIB_ELFUTILS([0], [154], [:], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
901e5c12 549 ELFUTILS_LIBS="-lelf -ldw"
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550 ]
551)
901e5c12 552AC_SUBST([ELFUTILS_LIBS])
6fbd4105 553
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554AS_IF([test "x$enable_api_doc" = "xyes"],
555 [
556 DX_DOXYGEN_FEATURE(ON)
557 DX_DOT_FEATURE(OFF)
558 DX_HTML_FEATURE(ON)
559 DX_CHM_FEATURE(OFF)
560 DX_CHI_FEATURE(OFF)
561 DX_MAN_FEATURE(OFF)
562 DX_RTF_FEATURE(OFF)
563 DX_XML_FEATURE(OFF)
564 DX_PDF_FEATURE(OFF)
565 DX_PS_FEATURE(OFF)
43c59509 566 DX_INIT_DOXYGEN([Babeltrace 2], [$(builddir)/Doxyfile], [output])
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567 AS_IF([test -z "$DX_DOXYGEN"],
568 [AC_MSG_ERROR([You need doxygen to enable the API documentation])]
569 )
570 ]
571)
ac65e355 572
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573have_asciidoc_xmlto=no
574warn_prebuilt_man_pages=no
575
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576AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
577AC_PATH_PROG([XMLTO], [xmlto], [no])
0659f3af 578
4a9f5414 579AS_IF([test "x$enable_man_pages" = "xyes"], [
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PP
580 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
581 AS_IF([test "x$in_git_repo" = "xyes"], [
582 # this is an error because we're in the Git repo, which
583 # means the man pages are not already generated for us,
584 # thus asciixmlto are required because we were asked
585 # to build the man pages
586 AC_MSG_ERROR([
587You need asciidoc and xmlto to build the Babeltrace man pages. Use
588--disable-man-pages to disable building the man pages, in which case
589they will not be installed.
590 ])
591 ], [
592 # only warn here: since we're in the tarball, the man
593 # pages should already be generated at this point, thus
594 # asciidoc/xmlto are not strictly required
595 warn_prebuilt_man_pages=yes
596 ])
597 ], [
598 have_asciidoc_xmlto=yes
599 ])
600])
601
602# export AsciiDoc and xmlto existence
603AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
604
605# a wonderful hack that seems necessary because $libdir is
606# literally `${exec_prefix}/lib`, and $exec_prefix is set to `NONE`
607# by autoconf when it's not specified by the user
608AS_IF([test "x$exec_prefix" = xNONE], [
609 AS_IF([test "x$prefix" = xNONE], [
610 PREFIX="$ac_default_prefix"
611 ], [
612 PREFIX="$prefix"
613 ])
614
615 LIBDIR="$PREFIX/lib"
616], [
617 LIBDIR="$libdir"
618])
619
620AC_SUBST(LIBDIR)
621
02bb4fcc
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622# CFLAGS from libraries (the glib ones are needed for the following sizeof
623# test).
624AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS}"
38424656 625
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626# Check that the current size_t matches the size that glib thinks it should
627# be. This catches problems on multi-arch where people try to do a 32-bit
628# build while pointing at 64-bit glib headers. This is a common error because
629# glib.h is not platform specific but it includes glibconfig.h which is and
630# is usually installed in a non-standard path.
631
02bb4fcc
SM
632# Do this before enabling all the warning flags, as the
633# AC_LANG_PROGRAM-generated program may generate some warning, which makes this
634# test fail unnecessarily.
635
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636# Older versions of the pkg-config macros disallows PKG_* in the autoconf
637# output. Specifically allow pkg_config_libdir to be able to print the
638# error message.
639m4_pattern_allow([PKG_CONFIG_LIBDIR])
640
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641save_CFLAGS=${CFLAGS}
642CFLAGS="${CFLAGS} ${AM_CFLAGS}"
643AC_COMPILE_IFELSE([
644 AC_LANG_PROGRAM([dnl
645#include <glib.h>
646#include <unistd.h>
647 ], [dnl
648G_STATIC_ASSERT(sizeof(size_t) == GLIB_SIZEOF_SIZE_T);
649 ])
650],[:],[
651 AC_MSG_ERROR([dnl
652sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set
653PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build
654target.
655 ])
656])
657CFLAGS=${save_CFLAGS}
658
02bb4fcc
SM
659# Detect C and LD warning flags supported by the compiler.
660AX_COMPILER_FLAGS(
661 [WARN_CFLAGS], dnl CFLAGS variable name
662 [WARN_LDFLAGS], dnl LDFLAGS variable name (unused for now)
663 [], dnl is-release
664 [], dnl Extra base CFLAGS
665 [ dnl Extra "yes" CFLAGS
666 dnl Disable these flags, either because we don't want them
667 dnl or because we want them but are not ready to enable them
668 dnl yet.
669 -Wno-sign-compare dnl
670 -Wno-inline dnl
671 -Wno-declaration-after-statement dnl
672 -Wno-switch-enum dnl
673 -Wno-switch-default dnl
674 -Wno-packed dnl
675 -Wno-pointer-arith dnl
676 -Wno-format-nonliteral dnl
02bb4fcc 677 -Wno-double-promotion dnl
02bb4fcc 678 -Wno-cast-align dnl
c29c23a0
SM
679 dnl
680 dnl Some versions of SWIG (like 3.0.12) generate code that produces
681 dnl -Wcast-function-type warnings. This warning is present in gcc >= 8. This
682 dnl combo happens on RHEL/Centos 8, for example. Later versions of SWIG (like
683 dnl 4.0.1) have the correct function signatures to not produce this warning.
684 dnl It's simpler to just disable the warning globally.
685 dnl
686 dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
687 dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
688 dnl reproduce the warning using that package.
689 dnl
690 dnl Ref: https://github.com/swig/swig/issues/1259
691 -Wno-cast-function-type dnl
02bb4fcc
SM
692 ])
693
694# CFLAGS from AX_COMPILER_FLAGS.
695AM_CFLAGS="${AM_CFLAGS} ${WARN_CFLAGS}"
696
697# The test used in AX_COMPILER_FLAGS, generated using AC_LANG_PROGRAM, is
698# written in such a way that it triggers a -Wold-style-definition warning. So
699# if the user has -Werror in their CFLAGS, that warning flag will end up
700# disabled, because the test program will not build.
701#
702# Enable it here unconditionally. It is supported by GCC >= 4.8 and by Clang
703# (it is accepted for compatibility although it has no effect), and there is
704# not reason to not want it.
705
706AM_CFLAGS="${AM_CFLAGS} -Wold-style-definition"
707
708# We want this one to always be an error.
709AM_CFLAGS="${AM_CFLAGS} -Werror=implicit-function-declaration"
710
711# Done for AM_CFLAGS.
712AC_SUBST(AM_CFLAGS)
713
714# Set global CPPFLAGS in AM_CPPFLAGS
715AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
716AC_SUBST(AM_CPPFLAGS)
717
718# Add glib to global link libs
719LIBS="$LIBS $GLIB_LIBS"
720
9ffc0257 721# Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
ec2c5e50 722# to rename babeltrace2.bin to babeltrace2 at install time.
bb30da78 723program_transform_name="s&babeltrace2\.bin&babeltrace2&;$program_transform_name"
33b34c43 724AC_SUBST(program_transform_name)
591999ca 725
ac65e355 726AC_CONFIG_FILES([
578e048b 727 doc/api/Makefile
43c59509
PP
728 doc/api/libbabeltrace2/Doxyfile
729 doc/api/libbabeltrace2/Makefile
4f5f37d9
PP
730 doc/bindings/Makefile
731 doc/bindings/python/Makefile
f9ded0e0 732 doc/contributing-images/Makefile
578e048b
MJ
733 doc/Makefile
734 doc/man/asciidoc-attrs.conf
735 doc/man/Makefile
e92927d1 736 include/Makefile
578e048b 737 Makefile
fac21c87 738 src/argpar/Makefile
97010665 739 src/autodisc/Makefile
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MJ
740 src/babeltrace2-ctf-writer.pc
741 src/babeltrace2.pc
742 src/bindings/Makefile
07041daf 743 src/bindings/python/bt2/bt2/version.py
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744 src/bindings/python/bt2/Makefile
745 src/bindings/python/bt2/setup.py
746 src/bindings/python/Makefile
747 src/cli/Makefile
748 src/common/Makefile
749 src/compat/Makefile
750 src/ctfser/Makefile
751 src/ctf-writer/Makefile
752 src/fd-cache/Makefile
753 src/lib/graph/Makefile
754 src/lib/graph/message/Makefile
755 src/lib/Makefile
756 src/lib/plugin/Makefile
757 src/lib/prio-heap/Makefile
758 src/lib/trace-ir/Makefile
759 src/logging/Makefile
760 src/Makefile
1aca5200
FD
761 src/plugins/common/Makefile
762 src/plugins/common/muxing/Makefile
d0d4e0ed 763 src/plugins/common/param-validation/Makefile
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764 src/plugins/ctf/common/bfcr/Makefile
765 src/plugins/ctf/common/Makefile
766 src/plugins/ctf/common/metadata/Makefile
767 src/plugins/ctf/common/msg-iter/Makefile
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768 src/plugins/ctf/fs-sink/Makefile
769 src/plugins/ctf/fs-src/Makefile
770 src/plugins/ctf/lttng-live/Makefile
771 src/plugins/ctf/Makefile
772 src/plugins/lttng-utils/debug-info/Makefile
773 src/plugins/lttng-utils/Makefile
774 src/plugins/Makefile
775 src/plugins/text/dmesg/Makefile
776 src/plugins/text/Makefile
777 src/plugins/text/pretty/Makefile
55478183 778 src/plugins/text/details/Makefile
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779 src/plugins/utils/counter/Makefile
780 src/plugins/utils/dummy/Makefile
781 src/plugins/utils/Makefile
782 src/plugins/utils/muxer/Makefile
783 src/plugins/utils/trimmer/Makefile
7085eeaa 784 src/py-common/Makefile
578e048b 785 src/python-plugin-provider/Makefile
5869b179 786 src/param-parse/Makefile
ec532b44 787 src/string-format/Makefile
906ac65f 788 tests/bitfield/Makefile
331731aa 789 tests/ctf-writer/Makefile
aa968dde 790 tests/lib/Makefile
cbb9e0b1 791 tests/lib/test-plugin-plugins/Makefile
578e048b 792 tests/Makefile
d0d4e0ed 793 tests/param-validation/Makefile
578e048b 794 tests/plugins/Makefile
e30aed9e
PP
795 tests/plugins/src.ctf.fs/Makefile
796 tests/plugins/src.ctf.fs/succeed/Makefile
4d227882
FD
797 tests/plugins/sink.ctf.fs/Makefile
798 tests/plugins/sink.ctf.fs/succeed/Makefile
66251464 799 tests/plugins/flt.lttng-utils.debug-info/Makefile
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FD
800 tests/plugins/flt.utils.muxer/Makefile
801 tests/plugins/flt.utils.muxer/succeed/Makefile
188edac1 802 tests/plugins/flt.utils.trimmer/Makefile
1833a3d1
CB
803 tests/utils/Makefile
804 tests/utils/tap/Makefile
ac65e355 805])
c41a7502 806
ac65e355 807AC_OUTPUT
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808
809#
810# Mini-report on what will be built.
811#
812
813PPRINT_INIT
814PPRINT_SET_INDENT(1)
815PPRINT_SET_TS(38)
816
817AS_ECHO
818AS_ECHO("${PPRINT_COLOR_BLDBLU}Babeltrace $PACKAGE_VERSION$PPRINT_COLOR_RST")
819AS_ECHO
820
4266f2ad 821PPRINT_SUBTITLE([System])
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822
823# Target architecture we're building for.
824target_arch=$host_cpu
825[
826for f in $CFLAGS; do
827 if test $f = "-m32"; then
828 target_arch="32-bit"
829 elif test $f = "-m64"; then
830 target_arch="64-bit"
831 fi
832done
833]
beb0fb75 834
4266f2ad 835PPRINT_PROP_STRING([Target architecture], $target_arch)
d1dab1d2 836
4266f2ad
PP
837AS_ECHO
838PPRINT_SUBTITLE([Python 3 language support])
419fff0b
PP
839test "x$have_python" = "xyes" && value=1 || value=0
840PPRINT_PROP_BOOL([Have Python interpreter], $value)
841test "x$have_python_dev" = "xyes" && value=1 || value=0
842PPRINT_PROP_BOOL([Have Python development libraries], $value)
55bb57e0 843test "x$enable_python_bindings" = "xyes" && value=1 || value=0
1a0399f9 844PPRINT_PROP_BOOL([Python bindings], $value)
55bb57e0
PP
845test "x$enable_python_plugins" = "xyes" && value=1 || value=0
846PPRINT_PROP_BOOL([Python plugin support], $value)
419fff0b
PP
847AS_IF([test "x$have_python" = "xyes"], [
848 PPRINT_PROP_STRING([Python interpreter path], [$PYTHON])
849])
850AS_IF([test "x$have_python_dev" = "xyes"], [
851 PPRINT_PROP_STRING([python-config path], [$PYTHON_CONFIG])
4266f2ad 852 PPRINT_PROP_STRING([Python include paths], [$PYTHON_INCLUDE])
0b9113bf 853 PPRINT_PROP_STRING([Python linker flags], [$PYTHON_LDFLAGS])
419fff0b
PP
854])
855AS_IF([test "x$enable_python_bindings" = "xyes"], [
8c102541
SM
856 PPRINT_PROP_STRING([SWIG executable], [$SWIG])
857 PPRINT_PROP_STRING([SWIG library], [$SWIG_LIB])
4266f2ad 858])
55bb57e0 859
4266f2ad
PP
860AS_ECHO
861PPRINT_SUBTITLE([Plugins])
862PPRINT_PROP_BOOL(['ctf' plugin], 1)
9ffc0257 863test "x$enable_debug_info" = "xyes" && value=1 || value=0
4266f2ad
PP
864PPRINT_PROP_BOOL(['lttng-utils' plugin], $value)
865PPRINT_PROP_BOOL(['text' plugin], 1)
866PPRINT_PROP_BOOL(['utils' plugin], 1)
867
868AS_ECHO
869PPRINT_SUBTITLE([Built-in features])
9ffc0257 870test "x$enable_built_in_plugins" = "xyes" && value=1 || value=0
4266f2ad 871PPRINT_PROP_BOOL([Built-in plugins], $value)
9ffc0257 872test "x$enable_built_in_python_plugin_support" = "xyes" && value=1 || value=0
6fbd4105
PP
873PPRINT_PROP_BOOL([Built-in Python plugin support], $value)
874
4266f2ad
PP
875AS_ECHO
876PPRINT_SUBTITLE([Documentation])
0659f3af
PP
877
878# man pages build enabled/disabled
879m4_pushdef([build_man_pages_msg], [Build and install man pages])
880
881AS_IF([test "x$enable_man_pages" != "xno"], [
882 AS_IF([test "x$in_git_repo" = "xyes"], [
883 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
884 ], [
885 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
886 PPRINT_PROP_BOOL([build_man_pages_msg], 1)
887 ], [
888 PPRINT_PROP_STRING([build_man_pages_msg],
889 [${PPRINT_COLOR_BLDGRN}yes (already built)],
890 $PPRINT_COLOR_SUBTITLE)
891 ])
892 ])
893], [
894 PPRINT_PROP_BOOL([build_man_pages_msg], 0)
895])
896
897m4_popdef([build_man_pages_msg])
898
4266f2ad
PP
899test "x$enable_api_doc" = "xyes" && value=1 || value=0
900PPRINT_PROP_BOOL([HTML API documentation], $value)
901test "x$enable_python_bindings_doc" = "xyes" && value=1 || value=0
902PPRINT_PROP_BOOL([Python bindings documentation], $value)
1a0399f9 903
4266f2ad
PP
904AS_ECHO
905PPRINT_SUBTITLE([Logging])
906PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
907
464ebc31
PP
908AS_ECHO
909PPRINT_SUBTITLE([Special build modes])
910PPRINT_PROP_BOOL([Debug mode], $BABELTRACE_DEBUG_MODE)
911PPRINT_PROP_BOOL([Developer mode], $BABELTRACE_DEV_MODE)
912
1a0399f9
MJ
913report_bindir="`eval eval echo $bindir`"
914report_libdir="`eval eval echo $libdir`"
4266f2ad 915report_sysconfdif="`eval eval echo $sysconfdir`"
056632bf 916report_pluginsdir="`eval eval eval echo $BABELTRACE_PLUGINS_DIR`"
b14c7bf1 917report_pluginprovidersdir="`eval eval eval echo $BABELTRACE_PLUGIN_PROVIDERS_DIR`"
1a0399f9
MJ
918
919# Print the bindir and libdir this `make install' will install into.
920AS_ECHO
921PPRINT_SUBTITLE([Install directories])
922PPRINT_PROP_STRING([Binaries], [$report_bindir])
923PPRINT_PROP_STRING([Libraries], [$report_libdir])
056632bf 924PPRINT_PROP_STRING([Plugins], [$report_pluginsdir])
b14c7bf1 925PPRINT_PROP_STRING([Plugin providers], [$report_pluginprovidersdir])
4266f2ad 926PPRINT_PROP_STRING([Configuration], [$report_sysconfdif])
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