1 # boost.m4: Locate Boost headers and libraries for autoconf-based projects.
2 # Copyright (C) 2007-2011, 2014 Benoit Sigoure <tsuna@lrde.epita.fr>
4 # This program is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation, either version 3 of the License, or
7 # (at your option) any later version.
9 # Additional permission under section 7 of the GNU General Public
10 # License, version 3 ("GPLv3"):
12 # If you convey this file as part of a work that contains a
13 # configuration script generated by Autoconf, you may do so under
14 # terms of your choice.
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program. If not, see <http://www.gnu.org/licenses/>.
24 m4_define([_BOOST_SERIAL], [m4_translit([
29 # Original sources can be found at http://github.com/tsuna/boost.m4
30 # You can fetch the latest version of the script by doing:
31 # wget http://github.com/tsuna/boost.m4/raw/master/build-aux/boost.m4
37 # This file provides several macros to use the various Boost libraries.
38 # The first macro is BOOST_REQUIRE. It will simply check if it's possible to
39 # find the Boost headers of a given (optional) minimum version and it will
40 # define BOOST_CPPFLAGS accordingly. It will add an option --with-boost to
41 # your configure so that users can specify non standard locations.
42 # If the user's environment contains BOOST_ROOT and --with-boost was not
43 # specified, --with-boost=$BOOST_ROOT is implicitly used.
44 # For more README and documentation, go to http://github.com/tsuna/boost.m4
45 # Note: THESE MACROS ASSUME THAT YOU USE LIBTOOL. If you don't, don't worry,
46 # simply read the README, it will show you what to do step by step.
48 m4_pattern_forbid([^_?(BOOST|Boost)_])
51 # _BOOST_SED_CPP(SED-PROGRAM, PROGRAM,
52 # [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
53 # --------------------------------------------------------
54 # Same as AC_EGREP_CPP, but leave the result in conftest.i.
56 # SED-PROGRAM is *not* overquoted, as in AC_EGREP_CPP. It is expanded
57 # in double-quotes, so escape your double quotes.
59 # It could be useful to turn this into a macro which extracts the
61 m4_define([_BOOST_SED_CPP],
62 [AC_LANG_PUSH([C++])dnl
63 AC_LANG_PREPROC_REQUIRE()dnl
64 AC_REQUIRE([AC_PROG_SED])dnl
65 AC_LANG_CONFTEST([AC_LANG_SOURCE([[$2]])])
66 AS_IF([dnl eval is necessary to expand ac_cpp.
67 dnl Ultrix and Pyramid sh refuse to redirect output of eval, so use subshell.
68 dnl Beware of Windows end-of-lines, for instance if we are running
69 dnl some Windows programs under Wine. In that case, boost/version.hpp
70 dnl is certainly using "\r\n", but the regular Unix shell will only
71 dnl strip `\n' with backquotes, not the `\r'. This results in
72 dnl boost_cv_lib_version='1_37\r' for instance, which breaks
74 dnl Cannot use 'dnl' after [$4] because a trailing dnl may break AC_CACHE_CHECK
76 dnl Beware that GCC 5, when expanding macros, may embed # line directives
77 dnl a within single line:
81 dnl # 1 "<command-line>"
83 dnl # 1 "/opt/local/include/boost/version.hpp" 1 3
84 dnl # 2 "conftest.cc" 2
85 dnl boost-lib-version =
86 dnl # 2 "conftest.cc" 3
89 dnl So get rid of the # lines, and glue the remaining ones together.
90 (eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD |
94 $SED -n -e "$1" >conftest.i 2>&1],
103 # BOOST_REQUIRE([VERSION], [ACTION-IF-NOT-FOUND])
104 # -----------------------------------------------
105 # Look for Boost. If version is given, it must either be a literal of the form
106 # "X.Y.Z" where X, Y and Z are integers (the ".Z" part being optional) or a
108 # Defines the value BOOST_CPPFLAGS. This macro only checks for headers with
109 # the required version, it does not check for any of the Boost libraries.
110 # On # success, defines HAVE_BOOST. On failure, calls the optional
111 # ACTION-IF-NOT-FOUND action if one was supplied.
112 # Otherwise aborts with an error message.
113 dnl *aMule* AC_DEFUN_ONCE([BOOST_REQUIRE],
114 AC_DEFUN([BOOST_REQUIRE],
115 [AC_REQUIRE([AC_PROG_CXX])dnl
116 AC_REQUIRE([AC_PROG_GREP])dnl
117 echo "$as_me: this is boost.m4[]_BOOST_SERIAL" >&AS_MESSAGE_LOG_FD
121 set x $boost_version_req 0 0 0
124 boost_version_req=`expr "$[1]" '*' 100000 + "$[2]" '*' 100 + "$[3]"`
125 boost_version_req_string=$[1].$[2].$[3]
126 dnl *aMule* AC_ARG_WITH([boost],
127 dnl *aMule* [AS_HELP_STRING([--with-boost=DIR],
128 dnl *aMule* [prefix of Boost $1 @<:@guess@:>@])])dnl
129 AC_ARG_VAR([BOOST_ROOT],[Location of Boost installation])dnl
130 # If BOOST_ROOT is set and the user has not provided a value to
131 # --with-boost, then treat BOOST_ROOT as if it the user supplied it.
132 if test x"$BOOST_ROOT" != x; then
133 if test x"$with_boost" = x; then
134 AC_MSG_NOTICE([Detected BOOST_ROOT; continuing with --with-boost=$BOOST_ROOT])
135 with_boost=$BOOST_ROOT
137 AC_MSG_NOTICE([Detected BOOST_ROOT=$BOOST_ROOT, but overridden by --with-boost=$with_boost])
140 AC_SUBST([DISTCHECK_CONFIGURE_FLAGS],
141 ["$DISTCHECK_CONFIGURE_FLAGS '--with-boost=$with_boost'"])dnl
142 boost_save_CPPFLAGS=$CPPFLAGS
143 AC_CACHE_CHECK([for Boost headers version >= $boost_version_req_string],
145 [boost_cv_inc_path=no
146 AC_LANG_PUSH([C++])dnl
147 m4_pattern_allow([^BOOST_VERSION$])dnl
148 AC_LANG_CONFTEST([AC_LANG_PROGRAM([[#include <boost/version.hpp>
149 #if !defined BOOST_VERSION
150 # error BOOST_VERSION is not defined
151 #elif BOOST_VERSION < $boost_version_req
152 # error Boost headers version < $boost_version_req
155 # If the user provided a value to --with-boost, use it and only it.
156 case $with_boost in #(
157 ''|yes) set x '' /opt/local/include /usr/local/include /opt/include \
158 /usr/include C:/Boost/include;; #(
159 *) set x "$with_boost/include" "$with_boost";;
164 # Without --layout=system, Boost (or at least some versions) installs
165 # itself in <prefix>/include/boost-<version>. This inner loop helps to
166 # find headers in such directories.
168 # Any ${boost_dir}/boost-x_xx directories are searched in reverse version
169 # order followed by ${boost_dir}. The final '.' is a sentinel for
170 # searching $boost_dir" itself. Entries are whitespace separated.
172 # I didn't indent this loop on purpose (to avoid over-indented code)
173 boost_layout_system_search_list=`cd "$boost_dir" 2>/dev/null \
174 && ls -1 | "${GREP}" '^boost-' | sort -rn -t- -k2 \
176 for boost_inc in $boost_layout_system_search_list
178 if test x"$boost_inc" != x.; then
179 boost_inc="$boost_dir/$boost_inc"
181 boost_inc="$boost_dir" # Uses sentinel in boost_layout_system_search_list
183 if test x"$boost_inc" != x; then
184 # We are going to check whether the version of Boost installed
185 # in $boost_inc is usable by running a compilation that
186 # #includes it. But if we pass a -I/some/path in which Boost
187 # is not installed, the compiler will just skip this -I and
188 # use other locations (either from CPPFLAGS, or from its list
189 # of system include directories). As a result we would use
190 # header installed on the machine instead of the /some/path
191 # specified by the user. So in that precise case (trying
192 # $boost_inc), make sure the version.hpp exists.
194 # Use test -e as there can be symlinks.
195 test -e "$boost_inc/boost/version.hpp" || continue
196 CPPFLAGS="$CPPFLAGS -I$boost_inc"
198 AC_COMPILE_IFELSE([], [boost_cv_inc_path=yes], [boost_cv_version=no])
199 if test x"$boost_cv_inc_path" = xyes; then
200 if test x"$boost_inc" != x; then
201 boost_cv_inc_path=$boost_inc
207 AC_LANG_POP([C++])dnl
209 case $boost_cv_inc_path in #(
211 boost_errmsg="cannot find Boost headers version >= $boost_version_req_string"
212 m4_if([$2], [], [AC_MSG_ERROR([$boost_errmsg])],
213 [AC_MSG_NOTICE([$boost_errmsg])])
220 AC_SUBST([BOOST_CPPFLAGS], ["-I$boost_cv_inc_path"])dnl
223 if test x"$boost_cv_inc_path" != xno; then
224 AC_DEFINE([HAVE_BOOST], [1],
225 [Defined if the requested minimum BOOST version is satisfied])
226 AC_CACHE_CHECK([for Boost's header version],
227 [boost_cv_lib_version],
228 [m4_pattern_allow([^BOOST_LIB_VERSION$])dnl
229 _BOOST_SED_CPP([[/^boost-lib-version = /{s///;s/[\" ]//g;p;q;}]],
230 [#include <boost/version.hpp>
231 boost-lib-version = BOOST_LIB_VERSION],
232 [boost_cv_lib_version=`cat conftest.i`])])
233 # e.g. "134" for 1_34_1 or "135" for 1_35
234 boost_major_version=`echo "$boost_cv_lib_version" | sed 's/_//;s/_.*//'`
235 case $boost_major_version in #(
237 AC_MSG_ERROR([invalid value: boost_major_version='$boost_major_version'])
241 CPPFLAGS=$boost_save_CPPFLAGS
247 # Add the "--enable-static-boost" configure argument. If this argument is given
248 # on the command line, static versions of the libraries will be looked up.
249 AC_DEFUN([BOOST_STATIC],
250 [AC_ARG_ENABLE([static-boost],
251 [AS_HELP_STRING([--enable-static-boost],
252 [Prefer the static boost libraries over the shared ones [no]])],
253 [enable_static_boost=yes],
254 [enable_static_boost=no])])# BOOST_STATIC
257 # BOOST_FIND_HEADER([HEADER-NAME], [ACTION-IF-NOT-FOUND], [ACTION-IF-FOUND])
258 # --------------------------------------------------------------------------
259 # Wrapper around AC_CHECK_HEADER for Boost headers. Useful to check for
260 # some parts of the Boost library which are only made of headers and don't
261 # require linking (such as Boost.Foreach).
263 # Default ACTION-IF-NOT-FOUND: Fail with a fatal error unless Boost couldn't be
264 # found in the first place, in which case by default a notice is issued to the
265 # user. Presumably if we haven't died already it's because it's OK to not have
266 # Boost, which is why only a notice is issued instead of a hard error.
268 # Default ACTION-IF-FOUND: define the preprocessor symbol HAVE_<HEADER-NAME> in
269 # case of success # (where HEADER-NAME is written LIKE_THIS, e.g.,
270 # HAVE_BOOST_FOREACH_HPP).
271 AC_DEFUN([BOOST_FIND_HEADER],
272 [AC_REQUIRE([BOOST_REQUIRE])dnl
273 if test x"$boost_cv_inc_path" = xno; then
274 m4_default([$2], [AC_MSG_NOTICE([Boost not available, not searching for $1])])
276 AC_LANG_PUSH([C++])dnl
277 boost_save_CPPFLAGS=$CPPFLAGS
278 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
279 AC_CHECK_HEADER([$1],
280 [m4_default([$3], [AC_DEFINE(AS_TR_CPP([HAVE_$1]), [1],
281 [Define to 1 if you have <$1>])])],
282 [m4_default([$2], [AC_MSG_ERROR([cannot find $1])])])
283 CPPFLAGS=$boost_save_CPPFLAGS
284 AC_LANG_POP([C++])dnl
286 ])# BOOST_FIND_HEADER
289 # BOOST_FIND_LIBS([COMPONENT-NAME], [CANDIDATE-LIB-NAMES],
290 # [PREFERRED-RT-OPT], [HEADER-NAME], [CXX-TEST],
292 # --------------------------------------------------------------
293 # Look for the Boost library COMPONENT-NAME (e.g., `thread', for
294 # libboost_thread) under the possible CANDIDATE-LIB-NAMES (e.g.,
295 # "thread_win32 thread"). Check that HEADER-NAME works and check that
296 # libboost_LIB-NAME can link with the code CXX-TEST. The optional
297 # argument CXX-PROLOGUE can be used to include some C++ code before
298 # the `main' function.
300 # Invokes BOOST_FIND_HEADER([HEADER-NAME]) (see above).
302 # Boost libraries typically come compiled with several flavors (with different
303 # runtime options) so PREFERRED-RT-OPT is the preferred suffix. A suffix is one
304 # or more of the following letters: sgdpn (in that order). s = static
305 # runtime, d = debug build, g = debug/diagnostic runtime, p = STLPort build,
306 # n = (unsure) STLPort build without iostreams from STLPort (it looks like `n'
307 # must always be used along with `p'). Additionally, PREFERRED-RT-OPT can
308 # start with `mt-' to indicate that there is a preference for multi-thread
309 # builds. Some sample values for PREFERRED-RT-OPT: (nothing), mt, d, mt-d, gdp
310 # ... If you want to make sure you have a specific version of Boost
311 # (eg, >= 1.33) you *must* invoke BOOST_REQUIRE before this macro.
312 AC_DEFUN([BOOST_FIND_LIBS],
313 [AC_REQUIRE([BOOST_REQUIRE])dnl
314 AC_REQUIRE([_BOOST_FIND_COMPILER_TAG])dnl
315 AC_REQUIRE([BOOST_STATIC])dnl
316 AC_REQUIRE([_BOOST_GUESS_WHETHER_TO_USE_MT])dnl
317 if test x"$boost_cv_inc_path" = xno; then
318 AC_MSG_NOTICE([Boost not available, not searching for the Boost $1 library])
320 dnl The else branch is huge and wasn't intended on purpose.
321 AC_LANG_PUSH([C++])dnl
322 AS_VAR_PUSHDEF([Boost_lib], [boost_cv_lib_$1])dnl
323 AS_VAR_PUSHDEF([Boost_lib_LDFLAGS], [boost_cv_lib_$1_LDFLAGS])dnl
324 AS_VAR_PUSHDEF([Boost_lib_LDPATH], [boost_cv_lib_$1_LDPATH])dnl
325 AS_VAR_PUSHDEF([Boost_lib_LIBS], [boost_cv_lib_$1_LIBS])dnl
326 BOOST_FIND_HEADER([$4])
327 boost_save_CPPFLAGS=$CPPFLAGS
328 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
329 AC_CACHE_CHECK([for the Boost $1 library], [Boost_lib],
330 [_BOOST_FIND_LIBS($@)])
331 case $Boost_lib in #(
332 (no) _AC_MSG_LOG_CONFTEST
333 AC_MSG_ERROR([cannot find the flags to link with Boost $1])
336 AC_SUBST(AS_TR_CPP([BOOST_$1_LDFLAGS]), [$Boost_lib_LDFLAGS])dnl
337 AC_SUBST(AS_TR_CPP([BOOST_$1_LDPATH]), [$Boost_lib_LDPATH])dnl
338 AC_SUBST([BOOST_LDPATH], [$Boost_lib_LDPATH])dnl
339 AC_SUBST(AS_TR_CPP([BOOST_$1_LIBS]), [$Boost_lib_LIBS])dnl
340 CPPFLAGS=$boost_save_CPPFLAGS
341 AS_VAR_POPDEF([Boost_lib])dnl
342 AS_VAR_POPDEF([Boost_lib_LDFLAGS])dnl
343 AS_VAR_POPDEF([Boost_lib_LDPATH])dnl
344 AS_VAR_POPDEF([Boost_lib_LIBS])dnl
345 AC_LANG_POP([C++])dnl
350 # BOOST_FIND_LIB([LIB-NAME],
351 # [PREFERRED-RT-OPT], [HEADER-NAME], [CXX-TEST],
353 # --------------------------------------------------------------
354 # Backward compatibility wrapper for BOOST_FIND_LIBS.
355 AC_DEFUN([BOOST_FIND_LIB],
356 [BOOST_FIND_LIBS([$1], $@)])
359 # _BOOST_FIND_LIBS([LIB-NAME], [CANDIDATE-LIB-NAMES],
360 # [PREFERRED-RT-OPT], [HEADER-NAME], [CXX-TEST],
362 # --------------------------------------------------------------
363 # Real implementation of BOOST_FIND_LIBS: rely on these local macros:
364 # Boost_lib, Boost_lib_LDFLAGS, Boost_lib_LDPATH, Boost_lib_LIBS
366 # The algorithm is as follows: first look for a given library name
367 # according to the user's PREFERRED-RT-OPT. For each library name, we
368 # prefer to use the ones that carry the tag (toolset name). Each
369 # library is searched through the various standard paths were Boost is
370 # usually installed. If we can't find the standard variants, we try
371 # to enforce -mt (for instance on MacOSX, libboost_thread.dylib
372 # doesn't exist but there's -obviously- libboost_thread-mt.dylib).
373 AC_DEFUN([_BOOST_FIND_LIBS],
376 (mt | mt-) boost_mt=-mt; boost_rtopt=;; #(
377 (mt* | mt-*) boost_mt=-mt; boost_rtopt=`expr "X$3" : 'Xmt-*\(.*\)'`;; #(
378 (*) boost_mt=; boost_rtopt=$3;;
380 if test $enable_static_boost = yes; then
381 boost_rtopt="s$boost_rtopt"
383 # Find the proper debug variant depending on what we've been asked to find.
384 case $boost_rtopt in #(
385 (*d*) boost_rt_d=$boost_rtopt;; #(
386 (*[[sgpn]]*) # Insert the `d' at the right place (in between `sg' and `pn')
387 boost_rt_d=`echo "$boost_rtopt" | sed 's/\(s*g*\)\(p*n*\)/\1\2/'`;; #(
388 (*) boost_rt_d='-d';;
390 # If the PREFERRED-RT-OPT are not empty, prepend a `-'.
391 test -n "$boost_rtopt" && boost_rtopt="-$boost_rtopt"
392 $boost_guess_use_mt && boost_mt=-mt
393 # Look for the abs path the static archive.
394 # $libext is computed by Libtool but let's make sure it's non empty.
396 AC_MSG_ERROR([the libext variable is empty, did you invoke Libtool?])
397 boost_save_ac_objext=$ac_objext
398 # Generate the test file.
399 AC_LANG_CONFTEST([AC_LANG_PROGRAM([#include <$4>
401 dnl Optimization hacks: compiling C++ is slow, especially with Boost. What
402 dnl we're trying to do here is guess the right combination of link flags
403 dnl (LIBS / LDFLAGS) to use a given library. This can take several
404 dnl iterations before it succeeds and is thus *very* slow. So what we do
405 dnl instead is that we compile the code first (and thus get an object file,
406 dnl typically conftest.o). Then we try various combinations of link flags
407 dnl until we succeed to link conftest.o in an executable. The problem is
408 dnl that the various TRY_LINK / COMPILE_IFELSE macros of Autoconf always
409 dnl remove all the temporary files including conftest.o. So the trick here
410 dnl is to temporarily change the value of ac_objext so that conftest.o is
411 dnl preserved accross tests. This is obviously fragile and I will burn in
412 dnl hell for not respecting Autoconf's documented interfaces, but in the
413 dnl mean time, it optimizes the macro by a factor of 5 to 30.
414 dnl Another small optimization: the first argument of AC_COMPILE_IFELSE left
415 dnl empty because the test file is generated only once above (before we
416 dnl start the for loops).
417 AC_COMPILE_IFELSE([],
418 [ac_objext=do_not_rm_me_plz],
419 [AC_MSG_ERROR([cannot compile a test that uses Boost $1])])
420 ac_objext=$boost_save_ac_objext
422 # Don't bother to ident the following nested for loops, only the 2
423 # innermost ones matter.
424 for boost_lib_ in $2; do
425 for boost_tag_ in -$boost_cv_lib_tag ''; do
426 for boost_ver_ in -$boost_cv_lib_version ''; do
427 for boost_mt_ in $boost_mt -mt ''; do
428 for boost_rtopt_ in $boost_rtopt '' -d; do
430 boost_$boost_lib_$boost_tag_$boost_mt_$boost_rtopt_$boost_ver_ \
431 boost_$boost_lib_$boost_tag_$boost_rtopt_$boost_ver_ \
432 boost_$boost_lib_$boost_tag_$boost_mt_$boost_ver_ \
433 boost_$boost_lib_$boost_tag_$boost_ver_
435 # Avoid testing twice the same lib
436 case $boost_failed_libs in #(
437 (*@$boost_lib@*) continue;;
439 # If with_boost is empty, we'll search in /lib first, which is not quite
440 # right so instead we'll try to a location based on where the headers are.
441 boost_tmp_lib=$with_boost
442 test x"$with_boost" = x && boost_tmp_lib=${boost_cv_inc_path%/include}
443 for boost_ldpath in "$boost_tmp_lib/lib" '' \
444 /opt/local/lib* /usr/local/lib* /opt/lib* /usr/lib* \
445 "$with_boost" C:/Boost/lib /lib*
447 # Don't waste time with directories that don't exist.
448 if test x"$boost_ldpath" != x && test ! -e "$boost_ldpath"; then
451 boost_save_LDFLAGS=$LDFLAGS
452 # Are we looking for a static library?
453 case $boost_ldpath:$boost_rtopt_ in #(
454 (*?*:*s*) # Yes (Non empty boost_ldpath + s in rt opt)
455 Boost_lib_LIBS="$boost_ldpath/lib$boost_lib.$libext"
456 test -e "$Boost_lib_LIBS" || continue;; #(
457 (*) # No: use -lboost_foo to find the shared library.
458 Boost_lib_LIBS="-l$boost_lib";;
460 boost_save_LIBS=$LIBS
461 LIBS="$Boost_lib_LIBS $LIBS"
462 test x"$boost_ldpath" != x && LDFLAGS="$LDFLAGS -L$boost_ldpath"
463 dnl First argument of AC_LINK_IFELSE left empty because the test file is
464 dnl generated only once above (before we start the for loops).
465 _BOOST_AC_LINK_IFELSE([],
466 [Boost_lib=yes], [Boost_lib=no])
467 ac_objext=$boost_save_ac_objext
468 LDFLAGS=$boost_save_LDFLAGS
469 LIBS=$boost_save_LIBS
470 if test x"$Boost_lib" = xyes; then
471 # Check or used cached result of whether or not using -R or
472 # -rpath makes sense. Some implementations of ld, such as for
473 # Mac OSX, require -rpath but -R is the flag known to work on
474 # other systems. https://github.com/tsuna/boost.m4/issues/19
475 AC_CACHE_VAL([boost_cv_rpath_link_ldflag],
476 [case $boost_ldpath in
478 boost_cv_rpath_link_ldflag=
479 boost_rpath_link_ldflag_found=yes;;
481 for boost_cv_rpath_link_ldflag in -Wl,-R, -Wl,-rpath,; do
482 LDFLAGS="$boost_save_LDFLAGS -L$boost_ldpath $boost_cv_rpath_link_ldflag$boost_ldpath"
483 LIBS="$boost_save_LIBS $Boost_lib_LIBS"
484 _BOOST_AC_LINK_IFELSE([],
485 [boost_rpath_link_ldflag_found=yes
487 [boost_rpath_link_ldflag_found=no])
491 AS_IF([test "x$boost_rpath_link_ldflag_found" != "xyes"],
492 [AC_MSG_ERROR([Unable to determine whether to use -R or -rpath])])
493 LDFLAGS=$boost_save_LDFLAGS
494 LIBS=$boost_save_LIBS
496 test x"$boost_ldpath" != x &&
497 Boost_lib_LDFLAGS="-L$boost_ldpath $boost_cv_rpath_link_ldflag$boost_ldpath"
498 Boost_lib_LDPATH="$boost_ldpath"
501 boost_failed_libs="$boost_failed_libs@$boost_lib@"
510 rm -f conftest.$ac_objext
515 # --------------------------------------- #
516 # Checks for the various Boost libraries. #
517 # --------------------------------------- #
519 # List of boost libraries: http://www.boost.org/libs/libraries.htm
520 # The page http://beta.boost.org/doc/libs is useful: it gives the first release
521 # version of each library (among other things).
523 # BOOST_DEFUN(LIBRARY, CODE)
524 # --------------------------
525 # Define BOOST_<LIBRARY-UPPERCASE> as a macro that runs CODE.
527 # Use indir to avoid the warning on underquoted macro name given to AC_DEFUN.
528 m4_define([BOOST_DEFUN],
529 [m4_indir([AC_DEFUN],
530 m4_toupper([BOOST_$1]),
531 [m4_pushdef([BOOST_Library], [$1])dnl
533 m4_popdef([BOOST_Library])dnl
539 # Look for Boost.Array
541 [BOOST_FIND_HEADER([boost/array.hpp])])
546 # Look for Boost.Asio (new in Boost 1.35).
548 [AC_REQUIRE([BOOST_SYSTEM])dnl
549 BOOST_FIND_HEADER([boost/asio.hpp])])
554 # Look for Boost.Bind.
556 [BOOST_FIND_HEADER([boost/bind.hpp])])
561 # Look for Boost.Chrono.
562 BOOST_DEFUN([Chrono],
563 [# Do we have to check for Boost.System? This link-time dependency was
564 # added as of 1.35.0. If we have a version <1.35, we must not attempt to
565 # find Boost.System as it didn't exist by then.
566 if test $boost_major_version -ge 135; then
568 fi # end of the Boost.System check.
569 boost_filesystem_save_LIBS=$LIBS
570 boost_filesystem_save_LDFLAGS=$LDFLAGS
571 m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl
572 LIBS="$LIBS $BOOST_SYSTEM_LIBS"
573 LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS"
574 BOOST_FIND_LIB([chrono], [$1],
576 [boost::chrono::thread_clock d;])
577 if test $enable_static_boost = yes && test $boost_major_version -ge 135; then
578 BOOST_CHRONO_LIBS="$BOOST_CHRONO_LIBS $BOOST_SYSTEM_LIBS"
580 LIBS=$boost_filesystem_save_LIBS
581 LDFLAGS=$boost_filesystem_save_LDFLAGS
585 # BOOST_CONTEXT([PREFERRED-RT-OPT])
586 # -----------------------------------
587 # Look for Boost.Context. For the documentation of PREFERRED-RT-OPT, see the
588 # documentation of BOOST_FIND_LIB above.
590 # * This library was introduced in Boost 1.51.0
591 # * The signatures of make_fcontext() and jump_fcontext were changed in 1.56.0
592 # * A dependency on boost_thread appears in 1.57.0
593 BOOST_DEFUN([Context],
594 [boost_context_save_LIBS=$LIBS
595 boost_context_save_LDFLAGS=$LDFLAGS
596 if test $boost_major_version -ge 157; then
598 m4_pattern_allow([^BOOST_THREAD_(LIBS|LDFLAGS)$])dnl
599 LIBS="$LIBS $BOOST_THREAD_LIBS"
600 LDFLAGS="$LDFLAGS $BOOST_THREAD_LDFLAGS"
602 BOOST_FIND_LIB([context], [$1],
603 [boost/context/all.hpp],[[
606 void * stack_pointer = new void*[4096];
607 std::size_t const size = sizeof(void*[4096]);
609 #if BOOST_VERSION <= 105100
610 ctx::make_fcontext(&fc, f);
611 return ctx::jump_fcontext(&fcm, &fc, 3) == 6;
615 fc = ctx::make_fcontext(stack_pointer, size, f);
616 return ctx::jump_fcontext(&fcm, fc, 3) == 6;
623 #include <boost/version.hpp>
624 #if BOOST_VERSION <= 105100
626 namespace ctx = boost::ctx;
628 static ctx::fcontext_t fcm, fc;
630 static void f(intptr_t i) {
631 ctx::jump_fcontext(&fc, &fcm, i * 2);
634 #elif BOOST_VERSION <= 105500
636 namespace ctx = boost::context;
639 static ctx::fcontext_t fcm, *fc;
642 static void f(intptr_t i) {
643 ctx::jump_fcontext(fc, &fcm, i * 2);
648 namespace ctx = boost::context;
651 static ctx::fcontext_t fcm, fc;
654 static void f(intptr_t i) {
655 ctx::jump_fcontext(&fc, fcm, i * 2);
659 LIBS=$boost_context_save_LIBS
660 LDFLAGS=$boost_context_save_LDFLAGS
666 # Look for Boost.Conversion (cast / lexical_cast)
667 BOOST_DEFUN([Conversion],
668 [BOOST_FIND_HEADER([boost/cast.hpp])
669 BOOST_FIND_HEADER([boost/lexical_cast.hpp])
673 # BOOST_COROUTINE([PREFERRED-RT-OPT])
674 # -----------------------------------
675 # Look for Boost.Coroutine. For the documentation of PREFERRED-RT-OPT, see the
676 # documentation of BOOST_FIND_LIB above. This library was introduced in Boost
678 BOOST_DEFUN([Coroutine],
680 boost_coroutine_save_LIBS=$LIBS
681 boost_coroutine_save_LDFLAGS=$LDFLAGS
682 # Link-time dependency from coroutine to context
684 # Starting from Boost 1.55 a dependency on Boost.System is added
685 if test $boost_major_version -ge 155; then
688 m4_pattern_allow([^BOOST_(CONTEXT|SYSTEM)_(LIBS|LDFLAGS)])
689 LIBS="$LIBS $BOOST_CONTEXT_LIBS $BOOST_SYSTEM_LIBS"
690 LDFLAGS="$LDFLAGS $BOOST_CONTEXT_LDFLAGS"
692 # in 1.53 coroutine was a header only library
693 if test $boost_major_version -eq 153; then
694 BOOST_FIND_HEADER([boost/coroutine/coroutine.hpp])
696 BOOST_FIND_LIB([coroutine], [$1],
697 [boost/coroutine/coroutine.hpp],
699 #include <boost/version.hpp>
700 #if BOOST_VERSION <= 105500
701 boost::coroutines::coroutine<int(int)> coro; coro.get();
703 boost::coroutines::asymmetric_coroutine<int>::pull_type coro; coro.get();
707 # Link-time dependency from coroutine to context, existed only in 1.53, in 1.54
708 # coroutine doesn't use context from its headers but from its library.
709 if test $boost_major_version -eq 153 || test $enable_static_boost = yes && test $boost_major_version -ge 154; then
710 BOOST_COROUTINE_LIBS="$BOOST_COROUTINE_LIBS $BOOST_CONTEXT_LIBS"
711 BOOST_COROUTINE_LDFLAGS="$BOOST_COROUTINE_LDFLAGS $BOOST_CONTEXT_LDFLAGS"
713 if test $enable_static_boost = yes && test $boost_major_version -ge 155; then
714 BOOST_COROUTINE_LIBS="$BOOST_COROUTINE_LIBS $BOOST_SYSTEM_LIBS"
715 BOOST_COROUTINE_LDFLAGS="$BOOST_COROUTINE_LDFLAGS $BOOST_SYSTEM_LDFLAGS"
717 LIBS=$boost_coroutine_save_LIBS
718 LDFLAGS=$boost_coroutine_save_LDFLAGS
726 [BOOST_FIND_HEADER([boost/crc.hpp])
730 # BOOST_DATE_TIME([PREFERRED-RT-OPT])
731 # -----------------------------------
732 # Look for Boost.Date_Time. For the documentation of PREFERRED-RT-OPT, see the
733 # documentation of BOOST_FIND_LIB above.
734 BOOST_DEFUN([Date_Time],
735 [BOOST_FIND_LIB([date_time], [$1],
736 [boost/date_time/posix_time/posix_time.hpp],
737 [boost::posix_time::ptime t;])
741 # BOOST_FILESYSTEM([PREFERRED-RT-OPT])
742 # ------------------------------------
743 # Look for Boost.Filesystem. For the documentation of PREFERRED-RT-OPT, see
744 # the documentation of BOOST_FIND_LIB above.
745 # Do not check for boost/filesystem.hpp because this file was introduced in
747 BOOST_DEFUN([Filesystem],
748 [# Do we have to check for Boost.System? This link-time dependency was
749 # added as of 1.35.0. If we have a version <1.35, we must not attempt to
750 # find Boost.System as it didn't exist by then.
751 if test $boost_major_version -ge 135; then
753 fi # end of the Boost.System check.
754 boost_filesystem_save_LIBS=$LIBS
755 boost_filesystem_save_LDFLAGS=$LDFLAGS
756 m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl
757 LIBS="$LIBS $BOOST_SYSTEM_LIBS"
758 LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS"
759 BOOST_FIND_LIB([filesystem], [$1],
760 [boost/filesystem/path.hpp], [boost::filesystem::path p;])
761 if test $enable_static_boost = yes && test $boost_major_version -ge 135; then
762 BOOST_FILESYSTEM_LIBS="$BOOST_FILESYSTEM_LIBS $BOOST_SYSTEM_LIBS"
764 LIBS=$boost_filesystem_save_LIBS
765 LDFLAGS=$boost_filesystem_save_LDFLAGS
771 # Look for Boost.Flyweight.
772 BOOST_DEFUN([Flyweight],
773 [dnl There's a hidden dependency on pthreads.
774 AC_REQUIRE([_BOOST_PTHREAD_FLAG])dnl
775 BOOST_FIND_HEADER([boost/flyweight.hpp])
776 AC_SUBST([BOOST_FLYWEIGHT_LIBS], [$boost_cv_pthread_flag])
782 # Look for Boost.Foreach.
783 BOOST_DEFUN([Foreach],
784 [BOOST_FIND_HEADER([boost/foreach.hpp])])
789 # Look for Boost.Format.
790 # Note: we can't check for boost/format/format_fwd.hpp because the header isn't
791 # standalone. It can't be compiled because it triggers the following error:
792 # boost/format/detail/config_macros.hpp:88: error: 'locale' in namespace 'std'
793 # does not name a type
794 BOOST_DEFUN([Format],
795 [BOOST_FIND_HEADER([boost/format.hpp])])
800 # Look for Boost.Function
801 BOOST_DEFUN([Function],
802 [BOOST_FIND_HEADER([boost/function.hpp])])
807 # Look for Boost.Geometry (new since 1.47.0).
808 BOOST_DEFUN([Geometry],
809 [BOOST_FIND_HEADER([boost/geometry.hpp])
813 # BOOST_GRAPH([PREFERRED-RT-OPT])
814 # -------------------------------
815 # Look for Boost.Graphs. For the documentation of PREFERRED-RT-OPT, see the
816 # documentation of BOOST_FIND_LIB above.
818 [boost_graph_save_LIBS=$LIBS
819 boost_graph_save_LDFLAGS=$LDFLAGS
820 # Link-time dependency from graph to regex was added as of 1.40.0.
821 if test $boost_major_version -ge 140; then
823 m4_pattern_allow([^BOOST_REGEX_(LIBS|LDFLAGS)$])dnl
824 LIBS="$LIBS $BOOST_REGEX_LIBS"
825 LDFLAGS="$LDFLAGS $BOOST_REGEX_LDFLAGS"
827 BOOST_FIND_LIB([graph], [$1],
828 [boost/graph/adjacency_list.hpp], [boost::adjacency_list<> g;])
829 LIBS=$boost_graph_save_LIBS
830 LDFLAGS=$boost_graph_save_LDFLAGS
834 # BOOST_IOSTREAMS([PREFERRED-RT-OPT])
835 # -----------------------------------
836 # Look for Boost.IOStreams. For the documentation of PREFERRED-RT-OPT, see the
837 # documentation of BOOST_FIND_LIB above.
838 BOOST_DEFUN([IOStreams],
839 [BOOST_FIND_LIB([iostreams], [$1],
840 [boost/iostreams/device/file_descriptor.hpp],
841 [boost::iostreams::file_descriptor fd; fd.close();])
847 # Look for Boost.Functional/Hash
849 [BOOST_FIND_HEADER([boost/functional/hash.hpp])])
854 # Look for Boost.Lambda
855 BOOST_DEFUN([Lambda],
856 [BOOST_FIND_HEADER([boost/lambda/lambda.hpp])])
861 # Look for Boost.Locale
862 BOOST_DEFUN([Locale],
864 boost_locale_save_LIBS=$LIBS
865 boost_locale_save_LDFLAGS=$LDFLAGS
866 # require SYSTEM for boost-1.50.0 and up
867 if test $boost_major_version -ge 150; then
869 m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl
870 LIBS="$LIBS $BOOST_SYSTEM_LIBS"
871 LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS"
872 fi # end of the Boost.System check.
873 BOOST_FIND_LIB([locale], [$1],
875 [[boost::locale::generator gen; std::locale::global(gen(""));]])
876 LIBS=$boost_locale_save_LIBS
877 LDFLAGS=$boost_locale_save_LDFLAGS
880 # BOOST_LOG([PREFERRED-RT-OPT])
881 # -----------------------------
882 # Look for Boost.Log. For the documentation of PREFERRED-RT-OPT, see the
883 # documentation of BOOST_FIND_LIB above.
885 [boost_log_save_LIBS=$LIBS
886 boost_log_save_LDFLAGS=$LDFLAGS
888 BOOST_FILESYSTEM([$1])
889 BOOST_DATE_TIME([$1])
890 m4_pattern_allow([^BOOST_(SYSTEM|FILESYSTEM|DATE_TIME)_(LIBS|LDFLAGS)$])dnl
891 LIBS="$LIBS $BOOST_DATE_TIME_LIBS $BOOST_FILESYSTEM_LIBS $BOOST_SYSTEM_LIBS"
892 LDFLAGS="$LDFLAGS $BOOST_DATE_TIME_LDFLAGS $BOOST_FILESYSTEM_LDFLAGS $BOOST_SYSTEM_LDFLAGS"
893 BOOST_FIND_LIB([log], [$1],
894 [boost/log/core/core.hpp],
895 [boost::log::attribute a; a.get_value();])
896 LIBS=$boost_log_save_LIBS
897 LDFLAGS=$boost_log_save_LDFLAGS
901 # BOOST_LOG_SETUP([PREFERRED-RT-OPT])
902 # -----------------------------------
903 # Look for Boost.Log. For the documentation of PREFERRED-RT-OPT, see the
904 # documentation of BOOST_FIND_LIB above.
905 BOOST_DEFUN([Log_Setup],
906 [boost_log_setup_save_LIBS=$LIBS
907 boost_log_setup_save_LDFLAGS=$LDFLAGS
909 m4_pattern_allow([^BOOST_LOG_(LIBS|LDFLAGS)$])dnl
910 LIBS="$LIBS $BOOST_LOG_LIBS"
911 LDFLAGS="$LDFLAGS $BOOST_LOG_LDFLAGS"
912 BOOST_FIND_LIB([log_setup], [$1],
913 [boost/log/utility/setup/from_settings.hpp],
914 [boost::log::basic_settings<char> bs; bs.empty();])
915 LIBS=$boost_log_setup_save_LIBS
916 LDFLAGS=$boost_log_setup_save_LDFLAGS
922 # Look for Boost.Math
923 # TODO: This library isn't header-only but it comes in multiple different
924 # flavors that don't play well with BOOST_FIND_LIB (e.g, libboost_math_c99,
925 # libboost_math_c99f, libboost_math_c99l, libboost_math_tr1,
926 # libboost_math_tr1f, libboost_math_tr1l). This macro must be fixed to do the
927 # right thing anyway.
929 [BOOST_FIND_HEADER([boost/math/special_functions.hpp])])
932 # BOOST_MPI([PREFERRED-RT-OPT])
933 # -------------------------------
934 # Look for Boost MPI. For the documentation of PREFERRED-RT-OPT, see the
935 # documentation of BOOST_FIND_LIB above. Uses MPICXX variable if it is
936 # set, otherwise tries CXX
939 [boost_save_CXX=${CXX}
940 boost_save_CXXCPP=${CXXCPP}
941 if test x"${MPICXX}" != x; then
943 CXXCPP="${MPICXX} -E"
945 BOOST_FIND_LIB([mpi], [$1],
949 boost::mpi::environment env(argc,argv);])
950 CXX=${boost_save_CXX}
951 CXXCPP=${boost_save_CXXCPP}
957 # Look for Boost.MultiArray
958 BOOST_DEFUN([MultiArray],
959 [BOOST_FIND_HEADER([boost/multi_array.hpp])])
962 # BOOST_NUMERIC_UBLAS()
963 # --------------------------
964 # Look for Boost.NumericUblas (Basic Linear Algebra)
965 BOOST_DEFUN([Numeric_Ublas],
966 [BOOST_FIND_HEADER([boost/numeric/ublas/vector.hpp])
967 ])# BOOST_NUMERIC_UBLAS
970 # BOOST_NUMERIC_CONVERSION()
971 # --------------------------
972 # Look for Boost.NumericConversion (policy-based numeric conversion)
973 BOOST_DEFUN([Numeric_Conversion],
974 [BOOST_FIND_HEADER([boost/numeric/conversion/converter.hpp])
975 ])# BOOST_NUMERIC_CONVERSION
980 # Look for Boost.Optional
981 BOOST_DEFUN([Optional],
982 [BOOST_FIND_HEADER([boost/optional.hpp])])
985 # BOOST_PREPROCESSOR()
986 # --------------------
987 # Look for Boost.Preprocessor
988 BOOST_DEFUN([Preprocessor],
989 [BOOST_FIND_HEADER([boost/preprocessor/repeat.hpp])])
993 # --------------------
994 # Look for Boost.Range
996 [BOOST_FIND_HEADER([boost/range/adaptors.hpp])])
1000 # Look for Boost.Unordered
1001 BOOST_DEFUN([Unordered],
1002 [BOOST_FIND_HEADER([boost/unordered_map.hpp])])
1007 # Look for Boost.Uuid
1009 [BOOST_FIND_HEADER([boost/uuid/uuid.hpp])])
1012 # BOOST_PROGRAM_OPTIONS([PREFERRED-RT-OPT])
1013 # -----------------------------------------
1014 # Look for Boost.Program_options. For the documentation of PREFERRED-RT-OPT,
1015 # see the documentation of BOOST_FIND_LIB above.
1016 BOOST_DEFUN([Program_Options],
1017 [BOOST_FIND_LIB([program_options], [$1],
1018 [boost/program_options.hpp],
1019 [boost::program_options::options_description d("test");])
1020 ])# BOOST_PROGRAM_OPTIONS
1024 # _BOOST_PYTHON_CONFIG(VARIABLE, FLAG)
1025 # ------------------------------------
1026 # Save VARIABLE, and define it via `python-config --FLAG`.
1027 # Substitute BOOST_PYTHON_VARIABLE.
1028 m4_define([_BOOST_PYTHON_CONFIG],
1029 [AC_SUBST([BOOST_PYTHON_$1],
1030 [`python-config --$2 2>/dev/null`])dnl
1031 boost_python_save_$1=$$1
1032 $1="$$1 $BOOST_PYTHON_$1"])
1035 # BOOST_PYTHON([PREFERRED-RT-OPT])
1036 # --------------------------------
1037 # Look for Boost.Python. For the documentation of PREFERRED-RT-OPT,
1038 # see the documentation of BOOST_FIND_LIB above.
1039 BOOST_DEFUN([Python],
1040 [_BOOST_PYTHON_CONFIG([CPPFLAGS], [includes])
1041 _BOOST_PYTHON_CONFIG([LDFLAGS], [ldflags])
1042 _BOOST_PYTHON_CONFIG([LIBS], [libs])
1043 m4_pattern_allow([^BOOST_PYTHON_MODULE$])dnl
1044 BOOST_FIND_LIBS([python], [python python3], [$1],
1046 [], [BOOST_PYTHON_MODULE(empty) {}])
1047 CPPFLAGS=$boost_python_save_CPPFLAGS
1048 LDFLAGS=$boost_python_save_LDFLAGS
1049 LIBS=$boost_python_save_LIBS
1055 # Look for Boost.Ref
1057 [BOOST_FIND_HEADER([boost/ref.hpp])])
1060 # BOOST_REGEX([PREFERRED-RT-OPT])
1061 # -------------------------------
1062 # Look for Boost.Regex. For the documentation of PREFERRED-RT-OPT, see the
1063 # documentation of BOOST_FIND_LIB above.
1064 BOOST_DEFUN([Regex],
1065 [BOOST_FIND_LIB([regex], [$1],
1067 [boost::regex exp("*"); boost::regex_match("foo", exp);])
1071 # BOOST_SERIALIZATION([PREFERRED-RT-OPT])
1072 # ---------------------------------------
1073 # Look for Boost.Serialization. For the documentation of PREFERRED-RT-OPT, see
1074 # the documentation of BOOST_FIND_LIB above.
1075 BOOST_DEFUN([Serialization],
1076 [BOOST_FIND_LIB([serialization], [$1],
1077 [boost/archive/text_oarchive.hpp],
1078 [std::ostream* o = 0; // Cheap way to get an ostream...
1079 boost::archive::text_oarchive t(*o);])
1080 ])# BOOST_SERIALIZATION
1083 # BOOST_SIGNALS([PREFERRED-RT-OPT])
1084 # ---------------------------------
1085 # Look for Boost.Signals. For the documentation of PREFERRED-RT-OPT, see the
1086 # documentation of BOOST_FIND_LIB above.
1087 BOOST_DEFUN([Signals],
1088 [BOOST_FIND_LIB([signals], [$1],
1090 [boost::signal<void ()> s;])
1096 # Look for Boost.Signals2 (new since 1.39.0).
1097 BOOST_DEFUN([Signals2],
1098 [BOOST_FIND_HEADER([boost/signals2.hpp])
1104 # Look for Boost.SmartPtr
1105 BOOST_DEFUN([Smart_Ptr],
1106 [BOOST_FIND_HEADER([boost/scoped_ptr.hpp])
1107 BOOST_FIND_HEADER([boost/shared_ptr.hpp])
1111 # BOOST_STATICASSERT()
1112 # --------------------
1113 # Look for Boost.StaticAssert
1114 BOOST_DEFUN([StaticAssert],
1115 [BOOST_FIND_HEADER([boost/static_assert.hpp])])
1118 # BOOST_STRING_ALGO()
1119 # -------------------
1120 # Look for Boost.StringAlgo
1121 BOOST_DEFUN([String_Algo],
1122 [BOOST_FIND_HEADER([boost/algorithm/string.hpp])
1126 # BOOST_SYSTEM([PREFERRED-RT-OPT])
1127 # --------------------------------
1128 # Look for Boost.System. For the documentation of PREFERRED-RT-OPT, see the
1129 # documentation of BOOST_FIND_LIB above. This library was introduced in Boost
1131 BOOST_DEFUN([System],
1132 [BOOST_FIND_LIB([system], [$1],
1133 [boost/system/error_code.hpp],
1134 [boost::system::error_code e; e.clear();])
1138 # BOOST_TEST([PREFERRED-RT-OPT])
1139 # ------------------------------
1140 # Look for Boost.Test. For the documentation of PREFERRED-RT-OPT, see the
1141 # documentation of BOOST_FIND_LIB above.
1143 [m4_pattern_allow([^BOOST_CHECK$])dnl
1144 BOOST_FIND_LIB([unit_test_framework], [$1],
1145 [boost/test/unit_test.hpp], [BOOST_CHECK(2 == 2);],
1146 [using boost::unit_test::test_suite;
1147 test_suite* init_unit_test_suite(int argc, char ** argv)
1152 # BOOST_THREAD([PREFERRED-RT-OPT])
1153 # ---------------------------------
1154 # Look for Boost.Thread. For the documentation of PREFERRED-RT-OPT, see the
1155 # documentation of BOOST_FIND_LIB above.
1156 BOOST_DEFUN([Thread],
1157 [dnl Having the pthread flag is required at least on GCC3 where
1158 dnl boost/thread.hpp would complain if we try to compile without
1159 dnl -pthread on GNU/Linux.
1160 AC_REQUIRE([_BOOST_PTHREAD_FLAG])dnl
1161 boost_thread_save_LIBS=$LIBS
1162 boost_thread_save_LDFLAGS=$LDFLAGS
1163 boost_thread_save_CPPFLAGS=$CPPFLAGS
1164 # Link-time dependency from thread to system was added as of 1.49.0.
1165 if test $boost_major_version -ge 149; then
1167 fi # end of the Boost.System check.
1168 m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl
1169 LIBS="$LIBS $BOOST_SYSTEM_LIBS $boost_cv_pthread_flag"
1170 LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS"
1171 CPPFLAGS="$CPPFLAGS $boost_cv_pthread_flag"
1173 # When compiling for the Windows platform, the threads library is named
1174 # differently. This suffix doesn't exist in new versions of Boost, or
1175 # possibly new versions of GCC on mingw I am assuming it's Boost's change for
1176 # now and I am setting version to 1.48, for lack of knowledge as to when this
1178 if test $boost_major_version -lt 148; then
1180 (*mingw*) boost_thread_lib_ext=_win32;;
1183 BOOST_FIND_LIBS([thread], [thread$boost_thread_lib_ext],
1185 [boost/thread.hpp], [boost::thread t; boost::mutex m;])
1188 (*mingw*) boost_thread_w32_socket_link=-lws2_32;;
1191 BOOST_THREAD_LIBS="$BOOST_THREAD_LIBS $BOOST_SYSTEM_LIBS $boost_cv_pthread_flag $boost_thread_w32_socket_link"
1192 BOOST_THREAD_LDFLAGS="$BOOST_SYSTEM_LDFLAGS"
1193 BOOST_CPPFLAGS="$BOOST_CPPFLAGS $boost_cv_pthread_flag"
1194 LIBS=$boost_thread_save_LIBS
1195 LDFLAGS=$boost_thread_save_LDFLAGS
1196 CPPFLAGS=$boost_thread_save_CPPFLAGS
1199 AU_ALIAS([BOOST_THREADS], [BOOST_THREAD])
1204 # Look for Boost.Tokenizer
1205 BOOST_DEFUN([Tokenizer],
1206 [BOOST_FIND_HEADER([boost/tokenizer.hpp])])
1211 # Look for Boost.Tribool
1212 BOOST_DEFUN([Tribool],
1213 [BOOST_FIND_HEADER([boost/logic/tribool_fwd.hpp])
1214 BOOST_FIND_HEADER([boost/logic/tribool.hpp])
1220 # Look for Boost.Tuple
1221 BOOST_DEFUN([Tuple],
1222 [BOOST_FIND_HEADER([boost/tuple/tuple.hpp])])
1225 # BOOST_TYPETRAITS()
1226 # --------------------
1227 # Look for Boost.TypeTraits
1228 BOOST_DEFUN([TypeTraits],
1229 [BOOST_FIND_HEADER([boost/type_traits.hpp])])
1234 # Look for Boost.Utility (noncopyable, result_of, base-from-member idiom,
1236 BOOST_DEFUN([Utility],
1237 [BOOST_FIND_HEADER([boost/utility.hpp])])
1242 # Look for Boost.Variant.
1243 BOOST_DEFUN([Variant],
1244 [BOOST_FIND_HEADER([boost/variant/variant_fwd.hpp])
1245 BOOST_FIND_HEADER([boost/variant.hpp])])
1248 # BOOST_POINTER_CONTAINER()
1249 # ------------------------
1250 # Look for Boost.PointerContainer
1251 BOOST_DEFUN([Pointer_Container],
1252 [BOOST_FIND_HEADER([boost/ptr_container/ptr_deque.hpp])
1253 BOOST_FIND_HEADER([boost/ptr_container/ptr_list.hpp])
1254 BOOST_FIND_HEADER([boost/ptr_container/ptr_vector.hpp])
1255 BOOST_FIND_HEADER([boost/ptr_container/ptr_array.hpp])
1256 BOOST_FIND_HEADER([boost/ptr_container/ptr_set.hpp])
1257 BOOST_FIND_HEADER([boost/ptr_container/ptr_map.hpp])
1258 ])# BOOST_POINTER_CONTAINER
1261 # BOOST_WAVE([PREFERRED-RT-OPT])
1262 # ------------------------------
1263 # NOTE: If you intend to use Wave/Spirit with thread support, make sure you
1264 # call BOOST_THREAD first.
1265 # Look for Boost.Wave. For the documentation of PREFERRED-RT-OPT, see the
1266 # documentation of BOOST_FIND_LIB above.
1268 [AC_REQUIRE([BOOST_FILESYSTEM])dnl
1269 AC_REQUIRE([BOOST_DATE_TIME])dnl
1270 boost_wave_save_LIBS=$LIBS
1271 boost_wave_save_LDFLAGS=$LDFLAGS
1272 m4_pattern_allow([^BOOST_((FILE)?SYSTEM|DATE_TIME|THREAD)_(LIBS|LDFLAGS)$])dnl
1273 LIBS="$LIBS $BOOST_SYSTEM_LIBS $BOOST_FILESYSTEM_LIBS $BOOST_DATE_TIME_LIBS \
1275 LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS $BOOST_FILESYSTEM_LDFLAGS \
1276 $BOOST_DATE_TIME_LDFLAGS $BOOST_THREAD_LDFLAGS"
1277 BOOST_FIND_LIB([wave], [$1],
1279 [boost::wave::token_id id; get_token_name(id);])
1280 LIBS=$boost_wave_save_LIBS
1281 LDFLAGS=$boost_wave_save_LDFLAGS
1287 # Look for Boost.Xpressive (new since 1.36.0).
1288 BOOST_DEFUN([Xpressive],
1289 [BOOST_FIND_HEADER([boost/xpressive/xpressive.hpp])])
1292 # ----------------- #
1293 # Internal helpers. #
1294 # ----------------- #
1297 # _BOOST_PTHREAD_FLAG()
1298 # ---------------------
1299 # Internal helper for BOOST_THREAD. Computes boost_cv_pthread_flag
1300 # which must be used in CPPFLAGS and LIBS.
1302 # Yes, we *need* to put the -pthread thing in CPPFLAGS because with GCC3,
1303 # boost/thread.hpp will trigger a #error if -pthread isn't used:
1304 # boost/config/requires_threads.hpp:47:5: #error "Compiler threading support
1305 # is not turned on. Please set the correct command line options for
1306 # threading: -pthread (Linux), -pthreads (Solaris) or -mthreads (Mingw32)"
1308 # Based on ACX_PTHREAD: http://autoconf-archive.cryp.to/acx_pthread.html
1309 AC_DEFUN([_BOOST_PTHREAD_FLAG],
1310 [AC_REQUIRE([AC_PROG_CXX])dnl
1311 AC_REQUIRE([AC_CANONICAL_HOST])dnl
1312 AC_LANG_PUSH([C++])dnl
1313 AC_CACHE_CHECK([for the flags needed to use pthreads], [boost_cv_pthread_flag],
1314 [ boost_cv_pthread_flag=
1315 # The ordering *is* (sometimes) important. Some notes on the
1316 # individual items follow:
1317 # (none): in case threads are in libc; should be tried before -Kthread and
1318 # other compiler flags to prevent continual compiler warnings
1319 # -lpthreads: AIX (must check this before -lpthread)
1320 # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
1321 # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
1322 # -llthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
1323 # -pthread: GNU Linux/GCC (kernel threads), BSD/GCC (userland threads)
1324 # -pthreads: Solaris/GCC
1325 # -mthreads: MinGW32/GCC, Lynx/GCC
1326 # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
1327 # doesn't hurt to check since this sometimes defines pthreads too;
1328 # also defines -D_REENTRANT)
1329 # ... -mt is also the pthreads flag for HP/aCC
1330 # -lpthread: GNU Linux, etc.
1331 # --thread-safe: KAI C++
1334 # On Solaris (at least, for some versions), libc contains stubbed
1335 # (non-functional) versions of the pthreads routines, so link-based
1336 # tests will erroneously succeed. (We need to link with -pthreads/-mt/
1337 # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
1338 # a function called by this macro, so we could check for that, but
1339 # who knows whether they'll stub that too in a future libc.) So,
1340 # we'll just look for -pthreads and -lpthread first:
1341 boost_pthread_flags="-pthreads -lpthread -mt -pthread";; #(
1343 boost_pthread_flags="-lpthreads -Kthread -kthread -llthread -pthread \
1344 -pthreads -mthreads -lpthread --thread-safe -mt";;
1346 # Generate the test file.
1347 AC_LANG_CONFTEST([AC_LANG_PROGRAM([#include <pthread.h>],
1348 [pthread_t th; pthread_join(th, 0);
1349 pthread_attr_init(0); pthread_cleanup_push(0, 0);
1350 pthread_create(0,0,0,0); pthread_cleanup_pop(0);])])
1351 for boost_pthread_flag in '' $boost_pthread_flags; do
1352 boost_pthread_ok=false
1353 dnl Re-use the test file already generated.
1354 boost_pthreads__save_LIBS=$LIBS
1355 LIBS="$LIBS $boost_pthread_flag"
1357 [if grep ".*$boost_pthread_flag" conftest.err; then
1358 echo "This flag seems to have triggered warnings" >&AS_MESSAGE_LOG_FD
1360 boost_pthread_ok=:; boost_cv_pthread_flag=$boost_pthread_flag
1362 LIBS=$boost_pthreads__save_LIBS
1363 $boost_pthread_ok && break
1366 AC_LANG_POP([C++])dnl
1367 ])# _BOOST_PTHREAD_FLAG
1370 # _BOOST_gcc_test(MAJOR, MINOR)
1371 # -----------------------------
1372 # Internal helper for _BOOST_FIND_COMPILER_TAG.
1373 m4_define([_BOOST_gcc_test],
1374 ["defined __GNUC__ && __GNUC__ == $1 && __GNUC_MINOR__ == $2 && !defined __ICC @ gcc$1$2"])dnl
1376 # _BOOST_mingw_test(MAJOR, MINOR)
1377 # -----------------------------
1378 # Internal helper for _BOOST_FIND_COMPILER_TAG.
1379 m4_define([_BOOST_mingw_test],
1380 ["defined __GNUC__ && __GNUC__ == $1 && __GNUC_MINOR__ == $2 && !defined __ICC && \
1381 (defined WIN32 || defined WINNT || defined _WIN32 || defined __WIN32 \
1382 || defined __WIN32__ || defined __WINNT || defined __WINNT__) @ mgw$1$2"])dnl
1385 # _BOOST_FIND_COMPILER_TAG()
1386 # --------------------------
1387 # Internal. When Boost is installed without --layout=system, each library
1388 # filename will hold a suffix that encodes the compiler used during the
1389 # build. The Boost build system seems to call this a `tag'.
1390 AC_DEFUN([_BOOST_FIND_COMPILER_TAG],
1391 [AC_REQUIRE([AC_PROG_CXX])dnl
1392 AC_REQUIRE([AC_CANONICAL_HOST])dnl
1393 AC_CACHE_CHECK([for the toolset name used by Boost for $CXX],
1395 [boost_cv_lib_tag=unknown
1396 if test x$boost_cv_inc_path != xno; then
1397 AC_LANG_PUSH([C++])dnl
1398 # The following tests are mostly inspired by boost/config/auto_link.hpp
1399 # The list is sorted to most recent/common to oldest compiler (in order
1400 # to increase the likelihood of finding the right compiler with the
1401 # least number of compilation attempt).
1402 # Beware that some tests are sensible to the order (for instance, we must
1403 # look for MinGW before looking for GCC3).
1404 # I used one compilation test per compiler with a #error to recognize
1405 # each compiler so that it works even when cross-compiling (let me know
1406 # if you know a better approach).
1407 # Known missing tags (known from Boost's tools/build/v2/tools/common.jam):
1408 # como, edg, kcc, bck, mp, sw, tru, xlc
1409 # I'm not sure about my test for `il' (be careful: Intel's ICC pre-defines
1410 # the same defines as GCC's).
1412 _BOOST_mingw_test(5, 3) \
1413 _BOOST_gcc_test(5, 3) \
1414 _BOOST_mingw_test(5, 2) \
1415 _BOOST_gcc_test(5, 2) \
1416 _BOOST_mingw_test(5, 1) \
1417 _BOOST_gcc_test(5, 1) \
1418 _BOOST_mingw_test(5, 0) \
1419 _BOOST_gcc_test(5, 0) \
1420 _BOOST_mingw_test(4, 10) \
1421 _BOOST_gcc_test(4, 10) \
1422 _BOOST_mingw_test(4, 9) \
1423 _BOOST_gcc_test(4, 9) \
1424 _BOOST_mingw_test(4, 8) \
1425 _BOOST_gcc_test(4, 8) \
1426 _BOOST_mingw_test(4, 7) \
1427 _BOOST_gcc_test(4, 7) \
1428 _BOOST_mingw_test(4, 6) \
1429 _BOOST_gcc_test(4, 6) \
1430 _BOOST_mingw_test(4, 5) \
1431 _BOOST_gcc_test(4, 5) \
1432 _BOOST_mingw_test(4, 4) \
1433 _BOOST_gcc_test(4, 4) \
1434 _BOOST_mingw_test(4, 3) \
1435 _BOOST_gcc_test(4, 3) \
1436 _BOOST_mingw_test(4, 2) \
1437 _BOOST_gcc_test(4, 2) \
1438 _BOOST_mingw_test(4, 1) \
1439 _BOOST_gcc_test(4, 1) \
1440 _BOOST_mingw_test(4, 0) \
1441 _BOOST_gcc_test(4, 0) \
1442 "defined __GNUC__ && __GNUC__ == 3 && !defined __ICC \
1443 && (defined WIN32 || defined WINNT || defined _WIN32 || defined __WIN32 \
1444 || defined __WIN32__ || defined __WINNT || defined __WINNT__) @ mgw" \
1445 _BOOST_gcc_test(3, 4) \
1446 _BOOST_gcc_test(3, 3) \
1447 "defined _MSC_VER && _MSC_VER >= 1500 @ vc90" \
1448 "defined _MSC_VER && _MSC_VER == 1400 @ vc80" \
1449 _BOOST_gcc_test(3, 2) \
1450 "defined _MSC_VER && _MSC_VER == 1310 @ vc71" \
1451 _BOOST_gcc_test(3, 1) \
1452 _BOOST_gcc_test(3, 0) \
1453 "defined __BORLANDC__ @ bcb" \
1454 "defined __ICC && (defined __unix || defined __unix__) @ il" \
1455 "defined __ICL @ iw" \
1456 "defined _MSC_VER && _MSC_VER == 1300 @ vc7" \
1457 _BOOST_gcc_test(2, 95) \
1458 "defined __MWERKS__ && __MWERKS__ <= 0x32FF @ cw9" \
1459 "defined _MSC_VER && _MSC_VER < 1300 && !defined UNDER_CE @ vc6" \
1460 "defined _MSC_VER && _MSC_VER < 1300 && defined UNDER_CE @ evc4" \
1461 "defined __MWERKS__ && __MWERKS__ <= 0x31FF @ cw8"
1463 boost_tag_test=`expr "X$i" : 'X\([[^@]]*\) @ '`
1464 boost_tag=`expr "X$i" : 'X[[^@]]* @ \(.*\)'`
1465 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1469 # error $boost_tag_test
1471 ]])], [boost_cv_lib_tag=$boost_tag; break], [])
1473 AC_LANG_POP([C++])dnl
1474 case $boost_cv_lib_tag in #(
1475 # Some newer (>= 1.35?) versions of Boost seem to only use "gcc" as opposed
1476 # to "gcc41" for instance.
1477 *-gcc | *'-gcc ') :;; #( Don't re-add -gcc: it's already in there.
1482 if test $boost_major_version -ge 136; then
1483 # The `x' added in r46793 of Boost.
1487 # We can specify multiple tags in this variable because it's used by
1488 # BOOST_FIND_LIB that does a `for tag in -$boost_cv_lib_tag' ...
1489 boost_cv_lib_tag="$boost_tag_x$boost_cv_lib_tag -${boost_tag_x}gcc"
1492 AC_MSG_WARN([[could not figure out which toolset name to use for $CXX]])
1496 fi])dnl end of AC_CACHE_CHECK
1497 ])# _BOOST_FIND_COMPILER_TAG
1500 # _BOOST_GUESS_WHETHER_TO_USE_MT()
1501 # --------------------------------
1502 # Compile a small test to try to guess whether we should favor MT (Multi
1503 # Thread) flavors of Boost. Sets boost_guess_use_mt accordingly.
1504 AC_DEFUN([_BOOST_GUESS_WHETHER_TO_USE_MT],
1505 [# Check whether we do better use `mt' even though we weren't ask to.
1506 AC_LANG_PUSH([C++])dnl
1507 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1508 #if defined _REENTRANT || defined _MT || defined __MT__
1511 # error MT not needed
1513 ]])], [boost_guess_use_mt=:], [boost_guess_use_mt=false])
1514 AC_LANG_POP([C++])dnl
1517 # _BOOST_AC_LINK_IFELSE(PROGRAM, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
1518 # -------------------------------------------------------------------
1519 # Fork of _AC_LINK_IFELSE that preserves conftest.o across calls. Fragile,
1520 # will break when Autoconf changes its internals. Requires that you manually
1521 # rm -f conftest.$ac_objext in between to really different tests, otherwise
1522 # you will try to link a conftest.o left behind by a previous test.
1523 # Used to aggressively optimize BOOST_FIND_LIB (see the big comment in this
1526 # Don't use "break" in the actions, as it would short-circuit some code
1527 # this macro runs after the actions.
1528 m4_define([_BOOST_AC_LINK_IFELSE],
1529 [m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
1530 rm -f conftest$ac_exeext
1531 boost_save_ac_ext=$ac_ext
1533 # If we already have a .o, re-use it. We change $ac_ext so that $ac_link
1534 # tries to link the existing object file instead of compiling from source.
1535 test -f conftest.$ac_objext && ac_ext=$ac_objext && boost_use_source=false &&
1536 _AS_ECHO_LOG([re-using the existing conftest.$ac_objext])
1537 AS_IF([_AC_DO_STDERR($ac_link) && {
1538 test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" ||
1539 test ! -s conftest.err
1540 } && test -s conftest$ac_exeext && {
1541 test "$cross_compiling" = yes ||
1542 $as_executable_p conftest$ac_exeext
1543 dnl FIXME: use AS_TEST_X instead when 2.61 is widespread enough.
1546 [if $boost_use_source; then
1547 _AC_MSG_LOG_CONFTEST
1550 ac_objext=$boost_save_ac_objext
1551 ac_ext=$boost_save_ac_ext
1552 dnl Delete also the IPA/IPO (Inter Procedural Analysis/Optimization)
1553 dnl information created by the PGI compiler (conftest_ipa8_conftest.oo),
1554 dnl as it would interfere with the next link command.
1555 rm -f core conftest.err conftest_ipa8_conftest.oo \
1556 conftest$ac_exeext m4_ifval([$1], [conftest.$ac_ext])[]dnl
1557 ])# _BOOST_AC_LINK_IFELSE