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Diffstat (limited to 'build-aux/boost.m4')
| -rw-r--r-- | build-aux/boost.m4 | 1239 |
1 files changed, 1239 insertions, 0 deletions
diff --git a/build-aux/boost.m4 b/build-aux/boost.m4 new file mode 100644 index 0000000..c8eb65a --- /dev/null +++ b/build-aux/boost.m4 @@ -0,0 +1,1239 @@ +# boost.m4: Locate Boost headers and libraries for autoconf-based projects. +# Copyright (C) 2007, 2008, 2009, 2010, 2011 Benoit Sigoure <tsuna@lrde.epita.fr> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Additional permission under section 7 of the GNU General Public +# License, version 3 ("GPLv3"): +# +# If you convey this file as part of a work that contains a +# configuration script generated by Autoconf, you may do so under +# terms of your choice. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +m4_define([_BOOST_SERIAL], [m4_translit([ +# serial 18 +], [# +], [])]) + +# Original sources can be found at http://github.com/tsuna/boost.m4 +# You can fetch the latest version of the script by doing: +# wget http://github.com/tsuna/boost.m4/raw/master/build-aux/boost.m4 + +# ------ # +# README # +# ------ # + +# This file provides several macros to use the various Boost libraries. +# The first macro is BOOST_REQUIRE. It will simply check if it's possible to +# find the Boost headers of a given (optional) minimum version and it will +# define BOOST_CPPFLAGS accordingly. It will add an option --with-boost to +# your configure so that users can specify non standard locations. +# If the user's environment contains BOOST_ROOT and --with-boost was not +# specified, --with-boost=$BOOST_ROOT is implicitly used. +# For more README and documentation, go to http://github.com/tsuna/boost.m4 +# Note: THESE MACROS ASSUME THAT YOU USE LIBTOOL. If you don't, don't worry, +# simply read the README, it will show you what to do step by step. + +m4_pattern_forbid([^_?(BOOST|Boost)_]) + + +# _BOOST_SED_CPP(SED-PROGRAM, PROGRAM, +# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# -------------------------------------------------------- +# Same as AC_EGREP_CPP, but leave the result in conftest.i. +# +# SED-PROGRAM is *not* overquoted, as in AC_EGREP_CPP. It is expanded +# in double-quotes, so escape your double quotes. +# +# It could be useful to turn this into a macro which extracts the +# value of any macro. +m4_define([_BOOST_SED_CPP], +[AC_LANG_PREPROC_REQUIRE()dnl +AC_REQUIRE([AC_PROG_SED])dnl +AC_LANG_CONFTEST([AC_LANG_SOURCE([[$2]])]) +AS_IF([dnl eval is necessary to expand ac_cpp. +dnl Ultrix and Pyramid sh refuse to redirect output of eval, so use subshell. +dnl Beware of Windows end-of-lines, for instance if we are running +dnl some Windows programs under Wine. In that case, boost/version.hpp +dnl is certainly using "\r\n", but the regular Unix shell will only +dnl strip `\n' with backquotes, not the `\r'. This results in +dnl boost_cv_lib_version='1_37\r' for instance, which breaks +dnl everything else. +dnl Cannot use 'dnl' after [$4] because a trailing dnl may break AC_CACHE_CHECK +(eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD | + tr -d '\r' | + $SED -n -e "$1" >conftest.i 2>&1], + [$3], + [$4]) +rm -rf conftest* +])# AC_EGREP_CPP + + + +# BOOST_REQUIRE([VERSION], [ACTION-IF-NOT-FOUND]) +# ----------------------------------------------- +# Look for Boost. If version is given, it must either be a literal of the form +# "X.Y.Z" where X, Y and Z are integers (the ".Z" part being optional) or a +# variable "$var". +# Defines the value BOOST_CPPFLAGS. This macro only checks for headers with +# the required version, it does not check for any of the Boost libraries. +# On # success, defines HAVE_BOOST. On failure, calls the optional +# ACTION-IF-NOT-FOUND action if one was supplied. +# Otherwise aborts with an error message. +AC_DEFUN([BOOST_REQUIRE], +[AC_REQUIRE([AC_PROG_CXX])dnl +AC_REQUIRE([AC_PROG_GREP])dnl +echo "$as_me: this is boost.m4[]_BOOST_SERIAL" >&AS_MESSAGE_LOG_FD +boost_save_IFS=$IFS +boost_version_req=$1 +IFS=. +set x $boost_version_req 0 0 0 +IFS=$boost_save_IFS +shift +boost_version_req=`expr "$[1]" '*' 100000 + "$[2]" '*' 100 + "$[3]"` +boost_version_req_string=$[1].$[2].$[3] +AC_ARG_WITH([boost], + [AS_HELP_STRING([--with-boost=DIR], + [prefix of Boost $1 @<:@guess@:>@])])dnl +AC_ARG_VAR([BOOST_ROOT],[Location of Boost installation])dnl +# If BOOST_ROOT is set and the user has not provided a value to +# --with-boost, then treat BOOST_ROOT as if it the user supplied it. +if test x"$BOOST_ROOT" != x; then + if test x"$with_boost" = x; then + AC_MSG_NOTICE([Detected BOOST_ROOT; continuing with --with-boost=$BOOST_ROOT]) + with_boost=$BOOST_ROOT + else + AC_MSG_NOTICE([Detected BOOST_ROOT=$BOOST_ROOT, but overridden by --with-boost=$with_boost]) + fi +fi +AC_SUBST([DISTCHECK_CONFIGURE_FLAGS], + ["$DISTCHECK_CONFIGURE_FLAGS '--with-boost=$with_boost'"])dnl +boost_save_CPPFLAGS=$CPPFLAGS + AC_CACHE_CHECK([for Boost headers version >= $boost_version_req_string], + [boost_cv_inc_path], + [boost_cv_inc_path=no +AC_LANG_PUSH([C++])dnl +m4_pattern_allow([^BOOST_VERSION$])dnl + AC_LANG_CONFTEST([AC_LANG_PROGRAM([[#include <boost/version.hpp> +#if !defined BOOST_VERSION +# error BOOST_VERSION is not defined +#elif BOOST_VERSION < $boost_version_req +# error Boost headers version < $boost_version_req +#endif +]])]) + # If the user provided a value to --with-boost, use it and only it. + case $with_boost in #( + ''|yes) set x '' /opt/local/include /usr/local/include /opt/include \ + /usr/include C:/Boost/include;; #( + *) set x "$with_boost/include" "$with_boost";; + esac + shift + for boost_dir + do + # Without --layout=system, Boost (or at least some versions) installs + # itself in <prefix>/include/boost-<version>. This inner loop helps to + # find headers in such directories. + # + # Any ${boost_dir}/boost-x_xx directories are searched in reverse version + # order followed by ${boost_dir}. The final '.' is a sentinel for + # searching $boost_dir" itself. Entries are whitespace separated. + # + # I didn't indent this loop on purpose (to avoid over-indented code) + boost_layout_system_search_list=`cd "$boost_dir" 2>/dev/null \ + && ls -1 | "${GREP}" '^boost-' | sort -rn -t- -k2 \ + && echo .` + for boost_inc in $boost_layout_system_search_list + do + if test x"$boost_inc" != x.; then + boost_inc="$boost_dir/$boost_inc" + else + boost_inc="$boost_dir" # Uses sentinel in boost_layout_system_search_list + fi + if test x"$boost_inc" != x; then + # We are going to check whether the version of Boost installed + # in $boost_inc is usable by running a compilation that + # #includes it. But if we pass a -I/some/path in which Boost + # is not installed, the compiler will just skip this -I and + # use other locations (either from CPPFLAGS, or from its list + # of system include directories). As a result we would use + # header installed on the machine instead of the /some/path + # specified by the user. So in that precise case (trying + # $boost_inc), make sure the version.hpp exists. + # + # Use test -e as there can be symlinks. + test -e "$boost_inc/boost/version.hpp" || continue + CPPFLAGS="$CPPFLAGS -I$boost_inc" + fi + AC_COMPILE_IFELSE([], [boost_cv_inc_path=yes], [boost_cv_version=no]) + if test x"$boost_cv_inc_path" = xyes; then + if test x"$boost_inc" != x; then + boost_cv_inc_path=$boost_inc + fi + break 2 + fi + done + done +AC_LANG_POP([C++])dnl + ]) + case $boost_cv_inc_path in #( + no) + boost_errmsg="cannot find Boost headers version >= $boost_version_req_string" + m4_if([$2], [], [AC_MSG_ERROR([$boost_errmsg])], + [AC_MSG_NOTICE([$boost_errmsg])]) + $2 + ;;#( + yes) + BOOST_CPPFLAGS= + ;;#( + *) + AC_SUBST([BOOST_CPPFLAGS], ["-I$boost_cv_inc_path"])dnl + ;; + esac + if test x"$boost_cv_inc_path" != xno; then + AC_DEFINE([HAVE_BOOST], [1], + [Defined if the requested minimum BOOST version is satisfied]) + AC_CACHE_CHECK([for Boost's header version], + [boost_cv_lib_version], + [m4_pattern_allow([^BOOST_LIB_VERSION$])dnl + _BOOST_SED_CPP([/^boost-lib-version = /{s///;s/\"//g;p;q;}], + [#include <boost/version.hpp> +boost-lib-version = BOOST_LIB_VERSION], + [boost_cv_lib_version=`cat conftest.i`])]) + # e.g. "134" for 1_34_1 or "135" for 1_35 + boost_major_version=`echo "$boost_cv_lib_version" | sed 's/_//;s/_.*//'` + case $boost_major_version in #( + '' | *[[!0-9]]*) + AC_MSG_ERROR([invalid value: boost_major_version=$boost_major_version]) + ;; + esac +fi +CPPFLAGS=$boost_save_CPPFLAGS +])# BOOST_REQUIRE + +# BOOST_STATIC() +# -------------- +# Add the "--enable-static-boost" configure argument. If this argument is given +# on the command line, static versions of the libraries will be looked up. +AC_DEFUN([BOOST_STATIC], + [AC_ARG_ENABLE([static-boost], + [AS_HELP_STRING([--enable-static-boost], + [Prefer the static boost libraries over the shared ones [no]])], + [enable_static_boost=yes], + [enable_static_boost=no])])# BOOST_STATIC + +# BOOST_FIND_HEADER([HEADER-NAME], [ACTION-IF-NOT-FOUND], [ACTION-IF-FOUND]) +# -------------------------------------------------------------------------- +# Wrapper around AC_CHECK_HEADER for Boost headers. Useful to check for +# some parts of the Boost library which are only made of headers and don't +# require linking (such as Boost.Foreach). +# +# Default ACTION-IF-NOT-FOUND: Fail with a fatal error unless Boost couldn't be +# found in the first place, in which case by default a notice is issued to the +# user. Presumably if we haven't died already it's because it's OK to not have +# Boost, which is why only a notice is issued instead of a hard error. +# +# Default ACTION-IF-FOUND: define the preprocessor symbol HAVE_<HEADER-NAME> in +# case of success # (where HEADER-NAME is written LIKE_THIS, e.g., +# HAVE_BOOST_FOREACH_HPP). +AC_DEFUN([BOOST_FIND_HEADER], +[AC_REQUIRE([BOOST_REQUIRE])dnl +if test x"$boost_cv_inc_path" = xno; then + m4_default([$2], [AC_MSG_NOTICE([Boost not available, not searching for $1])]) +else +AC_LANG_PUSH([C++])dnl +boost_save_CPPFLAGS=$CPPFLAGS +CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" +AC_CHECK_HEADER([$1], + [m4_default([$3], [AC_DEFINE(AS_TR_CPP([HAVE_$1]), [1], + [Define to 1 if you have <$1>])])], + [m4_default([$2], [AC_MSG_ERROR([cannot find $1])])]) +CPPFLAGS=$boost_save_CPPFLAGS +AC_LANG_POP([C++])dnl +fi +])# BOOST_FIND_HEADER + + +# BOOST_FIND_LIB([LIB-NAME], [PREFERRED-RT-OPT], [HEADER-NAME], [CXX-TEST], +# [CXX-PROLOGUE]) +# ------------------------------------------------------------------------- +# Look for the Boost library LIB-NAME (e.g., LIB-NAME = `thread', for +# libboost_thread). Check that HEADER-NAME works and check that +# libboost_LIB-NAME can link with the code CXX-TEST. The optional argument +# CXX-PROLOGUE can be used to include some C++ code before the `main' +# function. +# +# Invokes BOOST_FIND_HEADER([HEADER-NAME]) (see above). +# +# Boost libraries typically come compiled with several flavors (with different +# runtime options) so PREFERRED-RT-OPT is the preferred suffix. A suffix is one +# or more of the following letters: sgdpn (in that order). s = static +# runtime, d = debug build, g = debug/diagnostic runtime, p = STLPort build, +# n = (unsure) STLPort build without iostreams from STLPort (it looks like `n' +# must always be used along with `p'). Additionally, PREFERRED-RT-OPT can +# start with `mt-' to indicate that there is a preference for multi-thread +# builds. Some sample values for PREFERRED-RT-OPT: (nothing), mt, d, mt-d, gdp +# ... If you want to make sure you have a specific version of Boost +# (eg, >= 1.33) you *must* invoke BOOST_REQUIRE before this macro. +AC_DEFUN([BOOST_FIND_LIB], +[AC_REQUIRE([BOOST_REQUIRE])dnl +AC_REQUIRE([_BOOST_FIND_COMPILER_TAG])dnl +AC_REQUIRE([BOOST_STATIC])dnl +AC_REQUIRE([_BOOST_GUESS_WHETHER_TO_USE_MT])dnl +if test x"$boost_cv_inc_path" = xno; then + AC_MSG_NOTICE([Boost not available, not searching for the Boost $1 library]) +else +dnl The else branch is huge and wasn't intended on purpose. +AC_LANG_PUSH([C++])dnl +AS_VAR_PUSHDEF([Boost_lib], [boost_cv_lib_$1])dnl +AS_VAR_PUSHDEF([Boost_lib_LDFLAGS], [boost_cv_lib_$1_LDFLAGS])dnl +AS_VAR_PUSHDEF([Boost_lib_LDPATH], [boost_cv_lib_$1_LDPATH])dnl +AS_VAR_PUSHDEF([Boost_lib_LIBS], [boost_cv_lib_$1_LIBS])dnl +BOOST_FIND_HEADER([$3]) +boost_save_CPPFLAGS=$CPPFLAGS +CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" +# Now let's try to find the library. The algorithm is as follows: first look +# for a given library name according to the user's PREFERRED-RT-OPT. For each +# library name, we prefer to use the ones that carry the tag (toolset name). +# Each library is searched through the various standard paths were Boost is +# usually installed. If we can't find the standard variants, we try to +# enforce -mt (for instance on MacOSX, libboost_threads.dylib doesn't exist +# but there's -obviously- libboost_threads-mt.dylib). +AC_CACHE_CHECK([for the Boost $1 library], [Boost_lib], + [Boost_lib=no + case "$2" in #( + mt | mt-) boost_mt=-mt; boost_rtopt=;; #( + mt* | mt-*) boost_mt=-mt; boost_rtopt=`expr "X$2" : 'Xmt-*\(.*\)'`;; #( + *) boost_mt=; boost_rtopt=$2;; + esac + if test $enable_static_boost = yes; then + boost_rtopt="s$boost_rtopt" + fi + # Find the proper debug variant depending on what we've been asked to find. + case $boost_rtopt in #( + *d*) boost_rt_d=$boost_rtopt;; #( + *[[sgpn]]*) # Insert the `d' at the right place (in between `sg' and `pn') + boost_rt_d=`echo "$boost_rtopt" | sed 's/\(s*g*\)\(p*n*\)/\1\2/'`;; #( + *) boost_rt_d='-d';; + esac + # If the PREFERRED-RT-OPT are not empty, prepend a `-'. + test -n "$boost_rtopt" && boost_rtopt="-$boost_rtopt" + $boost_guess_use_mt && boost_mt=-mt + # Look for the abs path the static archive. + # $libext is computed by Libtool but let's make sure it's non empty. + test -z "$libext" && + AC_MSG_ERROR([the libext variable is empty, did you invoke Libtool?]) + boost_save_ac_objext=$ac_objext + # Generate the test file. + AC_LANG_CONFTEST([AC_LANG_PROGRAM([#include <$3> +$5], [$4])]) +dnl Optimization hacks: compiling C++ is slow, especially with Boost. What +dnl we're trying to do here is guess the right combination of link flags +dnl (LIBS / LDFLAGS) to use a given library. This can take several +dnl iterations before it succeeds and is thus *very* slow. So what we do +dnl instead is that we compile the code first (and thus get an object file, +dnl typically conftest.o). Then we try various combinations of link flags +dnl until we succeed to link conftest.o in an executable. The problem is +dnl that the various TRY_LINK / COMPILE_IFELSE macros of Autoconf always +dnl remove all the temporary files including conftest.o. So the trick here +dnl is to temporarily change the value of ac_objext so that conftest.o is +dnl preserved accross tests. This is obviously fragile and I will burn in +dnl hell for not respecting Autoconf's documented interfaces, but in the +dnl mean time, it optimizes the macro by a factor of 5 to 30. +dnl Another small optimization: the first argument of AC_COMPILE_IFELSE left +dnl empty because the test file is generated only once above (before we +dnl start the for loops). + AC_COMPILE_IFELSE([], + [ac_objext=do_not_rm_me_plz], + [AC_MSG_ERROR([cannot compile a test that uses Boost $1])]) + ac_objext=$boost_save_ac_objext + boost_failed_libs= +# Don't bother to ident the 6 nested for loops, only the 2 innermost ones +# matter. +for boost_tag_ in -$boost_cv_lib_tag ''; do +for boost_ver_ in -$boost_cv_lib_version ''; do +for boost_mt_ in $boost_mt -mt ''; do +for boost_rtopt_ in $boost_rtopt '' -d; do + for boost_lib in \ + boost_$1$boost_tag_$boost_mt_$boost_rtopt_$boost_ver_ \ + boost_$1$boost_tag_$boost_rtopt_$boost_ver_ \ + boost_$1$boost_tag_$boost_mt_$boost_ver_ \ + boost_$1$boost_tag_$boost_ver_ + do + # Avoid testing twice the same lib + case $boost_failed_libs in #( + *@$boost_lib@*) continue;; + esac + # If with_boost is empty, we'll search in /lib first, which is not quite + # right so instead we'll try to a location based on where the headers are. + boost_tmp_lib=$with_boost + test x"$with_boost" = x && boost_tmp_lib=${boost_cv_inc_path%/include} + for boost_ldpath in "$boost_tmp_lib/lib" '' \ + /opt/local/lib* /usr/local/lib* /opt/lib* /usr/lib* \ + "$with_boost" C:/Boost/lib /lib* + do + test -e "$boost_ldpath" || continue + boost_save_LDFLAGS=$LDFLAGS + # Are we looking for a static library? + case $boost_ldpath:$boost_rtopt_ in #( + *?*:*s*) # Yes (Non empty boost_ldpath + s in rt opt) + Boost_lib_LIBS="$boost_ldpath/lib$boost_lib.$libext" + test -e "$Boost_lib_LIBS" || continue;; #( + *) # No: use -lboost_foo to find the shared library. + Boost_lib_LIBS="-l$boost_lib";; + esac + boost_save_LIBS=$LIBS + LIBS="$Boost_lib_LIBS $LIBS" + test x"$boost_ldpath" != x && LDFLAGS="$LDFLAGS -L$boost_ldpath" +dnl First argument of AC_LINK_IFELSE left empty because the test file is +dnl generated only once above (before we start the for loops). + _BOOST_AC_LINK_IFELSE([], + [Boost_lib=yes], [Boost_lib=no]) + ac_objext=$boost_save_ac_objext + LDFLAGS=$boost_save_LDFLAGS + LIBS=$boost_save_LIBS + if test x"$Boost_lib" = xyes; then + # Check or used cached result of whether or not using -R or -rpath makes sense. + # Some implementations of ld, such as for Mac OSX, require -rpath but + # -R is the flag known to work on other systems. + # https://github.com/tsuna/boost.m4/issues/19 + AC_CACHE_VAL([boost_cv_rpath_link_ldflag], + [for boost_cv_rpath_link_ldflag in -Wl,-R, -Wl,-rpath,; do + LDFLAGS="$boost_save_LDFLAGS -L$boost_ldpath $boost_cv_rpath_link_ldflag$boost_ldpath" + LIBS="$boost_save_LIBS $Boost_lib_LIBS" + _BOOST_AC_LINK_IFELSE([], + [boost_rpath_link_ldflag_found=yes + break], + [boost_rpath_link_ldflag_found=no]) + done + AS_IF([test "x$boost_rpath_link_ldflag_found" != "xyes"], + [AC_MSG_ERROR([Unable to determine whether to use -R or -rpath])]) + LDFLAGS=$boost_save_LDFLAGS + LIBS=$boost_save_LIBS + ]) + Boost_lib_LDFLAGS="-L$boost_ldpath $boost_cv_rpath_link_ldflag$boost_ldpath" + Boost_lib_LDPATH="$boost_ldpath" + break 6 + else + boost_failed_libs="$boost_failed_libs@$boost_lib@" + fi + done + done +done +done +done +done +rm -f conftest.$ac_objext +]) +case $Boost_lib in #( + no) _AC_MSG_LOG_CONFTEST + AC_MSG_ERROR([cannot find the flags to link with Boost $1]) + ;; +esac +AC_SUBST(AS_TR_CPP([BOOST_$1_LDFLAGS]), [$Boost_lib_LDFLAGS])dnl +AC_SUBST(AS_TR_CPP([BOOST_$1_LDPATH]), [$Boost_lib_LDPATH])dnl +AC_SUBST([BOOST_LDPATH], [$Boost_lib_LDPATH])dnl +AC_SUBST(AS_TR_CPP([BOOST_$1_LIBS]), [$Boost_lib_LIBS])dnl +CPPFLAGS=$boost_save_CPPFLAGS +AS_VAR_POPDEF([Boost_lib])dnl +AS_VAR_POPDEF([Boost_lib_LDFLAGS])dnl +AS_VAR_POPDEF([Boost_lib_LDPATH])dnl +AS_VAR_POPDEF([Boost_lib_LIBS])dnl +AC_LANG_POP([C++])dnl +fi +])# BOOST_FIND_LIB + + +# --------------------------------------- # +# Checks for the various Boost libraries. # +# --------------------------------------- # + +# List of boost libraries: http://www.boost.org/libs/libraries.htm +# The page http://beta.boost.org/doc/libs is useful: it gives the first release +# version of each library (among other things). + +# BOOST_DEFUN(LIBRARY, CODE) +# -------------------------- +# Define BOOST_<LIBRARY-UPPERCASE> as a macro that runs CODE. +# +# Use indir to avoid the warning on underquoted macro name given to AC_DEFUN. +m4_define([BOOST_DEFUN], +[m4_indir([AC_DEFUN], + m4_toupper([BOOST_$1]), +[m4_pushdef([BOOST_Library], [$1])dnl +$2 +m4_popdef([BOOST_Library])dnl +]) +]) + +# BOOST_ARRAY() +# ------------- +# Look for Boost.Array +BOOST_DEFUN([Array], +[BOOST_FIND_HEADER([boost/array.hpp])]) + + +# BOOST_ASIO() +# ------------ +# Look for Boost.Asio (new in Boost 1.35). +BOOST_DEFUN([Asio], +[AC_REQUIRE([BOOST_SYSTEM])dnl +BOOST_FIND_HEADER([boost/asio.hpp])]) + + +# BOOST_BIND() +# ------------ +# Look for Boost.Bind +BOOST_DEFUN([Bind], +[BOOST_FIND_HEADER([boost/bind.hpp])]) + + +# BOOST_CHRONO() +# ------------------ +# Look for Boost.Chrono +BOOST_DEFUN([Chrono], +[# Do we have to check for Boost.System? This link-time dependency was +# added as of 1.35.0. If we have a version <1.35, we must not attempt to +# find Boost.System as it didn't exist by then. +if test $boost_major_version -ge 135; then +BOOST_SYSTEM([$1]) +fi # end of the Boost.System check. +boost_filesystem_save_LIBS=$LIBS +boost_filesystem_save_LDFLAGS=$LDFLAGS +m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl +LIBS="$LIBS $BOOST_SYSTEM_LIBS" +LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS" +BOOST_FIND_LIB([chrono], [$1], + [boost/chrono.hpp], + [boost::chrono::thread_clock d;]) +if test $enable_static_boost = yes && test $boost_major_version -ge 135; then + AC_SUBST([BOOST_FILESYSTEM_LIBS], ["$BOOST_FILESYSTEM_LIBS $BOOST_SYSTEM_LIBS"]) +fi +LIBS=$boost_filesystem_save_LIBS +LDFLAGS=$boost_filesystem_save_LDFLAGS + +])# BOOST_CHRONO + + +# BOOST_CONVERSION() +# ------------------ +# Look for Boost.Conversion (cast / lexical_cast) +BOOST_DEFUN([Conversion], +[BOOST_FIND_HEADER([boost/cast.hpp]) +BOOST_FIND_HEADER([boost/lexical_cast.hpp]) +])# BOOST_CONVERSION + + +# BOOST_CRC() +# ----------- +# Look for Boost.CRC +BOOST_DEFUN([CRC], +[BOOST_FIND_HEADER([boost/crc.hpp]) +])# BOOST_CRC + + +# BOOST_DATE_TIME([PREFERRED-RT-OPT]) +# ----------------------------------- +# Look for Boost.Date_Time. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Date_Time], +[BOOST_FIND_LIB([date_time], [$1], + [boost/date_time/posix_time/posix_time.hpp], + [boost::posix_time::ptime t;]) +])# BOOST_DATE_TIME + + +# BOOST_FILESYSTEM([PREFERRED-RT-OPT]) +# ------------------------------------ +# Look for Boost.Filesystem. For the documentation of PREFERRED-RT-OPT, see +# the documentation of BOOST_FIND_LIB above. +# Do not check for boost/filesystem.hpp because this file was introduced in +# 1.34. +BOOST_DEFUN([Filesystem], +[# Do we have to check for Boost.System? This link-time dependency was +# added as of 1.35.0. If we have a version <1.35, we must not attempt to +# find Boost.System as it didn't exist by then. +if test $boost_major_version -ge 135; then +BOOST_SYSTEM([$1]) +fi # end of the Boost.System check. +boost_filesystem_save_LIBS=$LIBS +boost_filesystem_save_LDFLAGS=$LDFLAGS +m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl +LIBS="$LIBS $BOOST_SYSTEM_LIBS" +LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS" +BOOST_FIND_LIB([filesystem], [$1], + [boost/filesystem/path.hpp], [boost::filesystem::path p;]) +if test $enable_static_boost = yes && test $boost_major_version -ge 135; then + AC_SUBST([BOOST_FILESYSTEM_LIBS], ["$BOOST_FILESYSTEM_LIBS $BOOST_SYSTEM_LIBS"]) +fi +LIBS=$boost_filesystem_save_LIBS +LDFLAGS=$boost_filesystem_save_LDFLAGS +])# BOOST_FILESYSTEM + + +# BOOST_FOREACH() +# --------------- +# Look for Boost.Foreach +BOOST_DEFUN([Foreach], +[BOOST_FIND_HEADER([boost/foreach.hpp])]) + + +# BOOST_FORMAT() +# -------------- +# Look for Boost.Format +# Note: we can't check for boost/format/format_fwd.hpp because the header isn't +# standalone. It can't be compiled because it triggers the following error: +# boost/format/detail/config_macros.hpp:88: error: 'locale' in namespace 'std' +# does not name a type +BOOST_DEFUN([Format], +[BOOST_FIND_HEADER([boost/format.hpp])]) + + +# BOOST_FUNCTION() +# ---------------- +# Look for Boost.Function +BOOST_DEFUN([Function], +[BOOST_FIND_HEADER([boost/function.hpp])]) + + +# BOOST_GEOMETRY() +# ---------------- +# Look for Boost.Geometry (new since 1.47.0). +BOOST_DEFUN([Geometry], +[BOOST_FIND_HEADER([boost/geometry.hpp]) +])# BOOST_GEOMETRY + + +# BOOST_GRAPH([PREFERRED-RT-OPT]) +# ------------------------------- +# Look for Boost.Graphs. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Graph], +[BOOST_FIND_LIB([graph], [$1], + [boost/graph/adjacency_list.hpp], [boost::adjacency_list<> g;]) +])# BOOST_GRAPH + + +# BOOST_IOSTREAMS([PREFERRED-RT-OPT]) +# ----------------------------------- +# Look for Boost.IOStreams. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([IOStreams], +[BOOST_FIND_LIB([iostreams], [$1], + [boost/iostreams/device/file_descriptor.hpp], + [boost::iostreams::file_descriptor fd; fd.close();]) +])# BOOST_IOSTREAMS + + +# BOOST_HASH() +# ------------ +# Look for Boost.Functional/Hash +BOOST_DEFUN([Hash], +[BOOST_FIND_HEADER([boost/functional/hash.hpp])]) + + +# BOOST_LAMBDA() +# -------------- +# Look for Boost.Lambda +BOOST_DEFUN([Lambda], +[BOOST_FIND_HEADER([boost/lambda/lambda.hpp])]) + + +# BOOST_LOG([PREFERRED-RT-OPT]) +# ----------------------------- +# Look for Boost.Log For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Log], +[BOOST_FIND_LIB([log], [$1], + [boost/log/core/core.hpp], + [boost::log::attribute a; a.get_value();]) +])# BOOST_LOG + + +# BOOST_LOG_SETUP([PREFERRED-RT-OPT]) +# ----------------------------------- +# Look for Boost.Log For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Log_Setup], +[AC_REQUIRE([BOOST_LOG])dnl +BOOST_FIND_LIB([log_setup], [$1], + [boost/log/utility/init/from_settings.hpp], + [boost::log::basic_settings<char> bs; bs.empty();]) +])# BOOST_LOG_SETUP + + +# BOOST_MATH() +# ------------ +# Look for Boost.Math +# TODO: This library isn't header-only but it comes in multiple different +# flavors that don't play well with BOOST_FIND_LIB (e.g, libboost_math_c99, +# libboost_math_c99f, libboost_math_c99l, libboost_math_tr1, +# libboost_math_tr1f, libboost_math_tr1l). This macro must be fixed to do the +# right thing anyway. +BOOST_DEFUN([Math], +[BOOST_FIND_HEADER([boost/math/special_functions.hpp])]) + + +# BOOST_MULTIARRAY() +# ------------------ +# Look for Boost.MultiArray +BOOST_DEFUN([MultiArray], +[BOOST_FIND_HEADER([boost/multi_array.hpp])]) + + +# BOOST_NUMERIC_CONVERSION() +# -------------------------- +# Look for Boost.NumericConversion (policy-based numeric conversion) +BOOST_DEFUN([Numeric_Conversion], +[BOOST_FIND_HEADER([boost/numeric/conversion/converter.hpp]) +])# BOOST_NUMERIC_CONVERSION + + +# BOOST_OPTIONAL() +# ---------------- +# Look for Boost.Optional +BOOST_DEFUN([Optional], +[BOOST_FIND_HEADER([boost/optional.hpp])]) + + +# BOOST_PREPROCESSOR() +# -------------------- +# Look for Boost.Preprocessor +BOOST_DEFUN([Preprocessor], +[BOOST_FIND_HEADER([boost/preprocessor/repeat.hpp])]) + + +# BOOST_UNORDERED() +# ----------------- +# Look for Boost.Unordered +BOOST_DEFUN([Unordered], +[BOOST_FIND_HEADER([boost/unordered_map.hpp])]) + + +# BOOST_UUID() +# ------------ +# Look for Boost.Uuid +BOOST_DEFUN([Uuid], +[BOOST_FIND_HEADER([boost/uuid/uuid.hpp])]) + + +# BOOST_PROGRAM_OPTIONS([PREFERRED-RT-OPT]) +# ----------------------------------------- +# Look for Boost.Program_options. For the documentation of PREFERRED-RT-OPT, +# see the documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Program_Options], +[BOOST_FIND_LIB([program_options], [$1], + [boost/program_options.hpp], + [boost::program_options::options_description d("test");]) +])# BOOST_PROGRAM_OPTIONS + + + +# _BOOST_PYTHON_CONFIG(VARIABLE, FLAG) +# ------------------------------------ +# Save VARIABLE, and define it via `python-config --FLAG`. +# Substitute BOOST_PYTHON_VARIABLE. +m4_define([_BOOST_PYTHON_CONFIG], +[AC_SUBST([BOOST_PYTHON_$1], + [`python-config --$2 2>/dev/null`])dnl +boost_python_save_$1=$$1 +$1="$$1 $BOOST_PYTHON_$1"]) + + +# BOOST_PYTHON([PREFERRED-RT-OPT]) +# -------------------------------- +# Look for Boost.Python. For the documentation of PREFERRED-RT-OPT, +# see the documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Python], +[_BOOST_PYTHON_CONFIG([CPPFLAGS], [includes]) +_BOOST_PYTHON_CONFIG([LDFLAGS], [ldflags]) +_BOOST_PYTHON_CONFIG([LIBS], [libs]) +m4_pattern_allow([^BOOST_PYTHON_MODULE$])dnl +BOOST_FIND_LIB([python], [$1], + [boost/python.hpp], + [], [BOOST_PYTHON_MODULE(empty) {}]) +CPPFLAGS=$boost_python_save_CPPFLAGS +LDFLAGS=$boost_python_save_LDFLAGS +LIBS=$boost_python_save_LIBS +])# BOOST_PYTHON + + +# BOOST_REF() +# ----------- +# Look for Boost.Ref +BOOST_DEFUN([Ref], +[BOOST_FIND_HEADER([boost/ref.hpp])]) + + +# BOOST_REGEX([PREFERRED-RT-OPT]) +# ------------------------------- +# Look for Boost.Regex. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Regex], +[BOOST_FIND_LIB([regex], [$1], + [boost/regex.hpp], + [boost::regex exp("*"); boost::regex_match("foo", exp);]) +])# BOOST_REGEX + + +# BOOST_SERIALIZATION([PREFERRED-RT-OPT]) +# --------------------------------------- +# Look for Boost.Serialization. For the documentation of PREFERRED-RT-OPT, see +# the documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Serialization], +[BOOST_FIND_LIB([serialization], [$1], + [boost/archive/text_oarchive.hpp], + [std::ostream* o = 0; // Cheap way to get an ostream... + boost::archive::text_oarchive t(*o);]) +])# BOOST_SERIALIZATION + + +# BOOST_SIGNALS([PREFERRED-RT-OPT]) +# --------------------------------- +# Look for Boost.Signals. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Signals], +[BOOST_FIND_LIB([signals], [$1], + [boost/signal.hpp], + [boost::signal<void ()> s;]) +])# BOOST_SIGNALS + + +# BOOST_SIGNALS2() +# ---------------- +# Look for Boost.Signals2 (new since 1.39.0). +BOOST_DEFUN([Signals2], +[BOOST_FIND_HEADER([boost/signals2.hpp]) +])# BOOST_SIGNALS2 + + +# BOOST_SMART_PTR() +# ----------------- +# Look for Boost.SmartPtr +BOOST_DEFUN([Smart_Ptr], +[BOOST_FIND_HEADER([boost/scoped_ptr.hpp]) +BOOST_FIND_HEADER([boost/shared_ptr.hpp]) +]) + + +# BOOST_STATICASSERT() +# -------------------- +# Look for Boost.StaticAssert +BOOST_DEFUN([StaticAssert], +[BOOST_FIND_HEADER([boost/static_assert.hpp])]) + + +# BOOST_STRING_ALGO() +# ------------------- +# Look for Boost.StringAlgo +BOOST_DEFUN([String_Algo], +[BOOST_FIND_HEADER([boost/algorithm/string.hpp]) +]) + + +# BOOST_SYSTEM([PREFERRED-RT-OPT]) +# -------------------------------- +# Look for Boost.System. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. This library was introduced in Boost +# 1.35.0. +BOOST_DEFUN([System], +[BOOST_FIND_LIB([system], [$1], + [boost/system/error_code.hpp], + [boost::system::error_code e; e.clear();]) +])# BOOST_SYSTEM + + +# BOOST_TEST([PREFERRED-RT-OPT]) +# ------------------------------ +# Look for Boost.Test. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Test], +[m4_pattern_allow([^BOOST_CHECK$])dnl +BOOST_FIND_LIB([unit_test_framework], [$1], + [boost/test/unit_test.hpp], [BOOST_CHECK(2 == 2);], + [using boost::unit_test::test_suite; + test_suite* init_unit_test_suite(int argc, char ** argv) + { return NULL; }]) +])# BOOST_TEST + + +# BOOST_THREADS([PREFERRED-RT-OPT]) +# --------------------------------- +# Look for Boost.Thread. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +# FIXME: Provide an alias "BOOST_THREAD". +BOOST_DEFUN([Threads], +[dnl Having the pthread flag is required at least on GCC3 where +dnl boost/thread.hpp would complain if we try to compile without +dnl -pthread on GNU/Linux. +AC_REQUIRE([_BOOST_PTHREAD_FLAG])dnl +boost_threads_save_LIBS=$LIBS +boost_threads_save_LDFLAGS=$LDFLAGS +boost_threads_save_CPPFLAGS=$CPPFLAGS +# Link-time dependency from thread to system was added as of 1.49.0. +if test $boost_major_version -ge 149; then +BOOST_SYSTEM([$1]) +fi # end of the Boost.System check. +m4_pattern_allow([^BOOST_SYSTEM_(LIBS|LDFLAGS)$])dnl +LIBS="$LIBS $BOOST_SYSTEM_LIBS $boost_cv_pthread_flag" +LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS" +# Yes, we *need* to put the -pthread thing in CPPFLAGS because with GCC3, +# boost/thread.hpp will trigger a #error if -pthread isn't used: +# boost/config/requires_threads.hpp:47:5: #error "Compiler threading support +# is not turned on. Please set the correct command line options for +# threading: -pthread (Linux), -pthreads (Solaris) or -mthreads (Mingw32)" +CPPFLAGS="$CPPFLAGS $boost_cv_pthread_flag" + +# When compiling for the Windows platform, the threads library is named +# differently. +case $host_os in + (*mingw*) + BOOST_FIND_LIB([thread_win32], [$1], + [boost/thread.hpp], [boost::thread t; boost::mutex m;]) + BOOST_THREAD_LDFLAGS=$BOOST_THREAD_WIN32_LDFLAGS + BOOST_THREAD_LDPATH=$BOOST_THREAD_WIN32_LDPATH + BOOST_THREAD_LIBS=$BOOST_THREAD_WIN32_LIBS + ;; + (*) + BOOST_FIND_LIB([thread], [$1], + [boost/thread.hpp], [boost::thread t; boost::mutex m;]) + ;; +esac + +BOOST_THREAD_LIBS="$BOOST_THREAD_LIBS $BOOST_SYSTEM_LIBS $boost_cv_pthread_flag" +BOOST_THREAD_LDFLAGS="$BOOST_SYSTEM_LDFLAGS" +BOOST_CPPFLAGS="$BOOST_CPPFLAGS $boost_cv_pthread_flag" +LIBS=$boost_threads_save_LIBS +LDFLAGS=$boost_threads_save_LDFLAGS +CPPFLAGS=$boost_threads_save_CPPFLAGS +])# BOOST_THREADS + + +# BOOST_TOKENIZER() +# ----------------- +# Look for Boost.Tokenizer +BOOST_DEFUN([Tokenizer], +[BOOST_FIND_HEADER([boost/tokenizer.hpp])]) + + +# BOOST_TRIBOOL() +# --------------- +# Look for Boost.Tribool +BOOST_DEFUN([Tribool], +[BOOST_FIND_HEADER([boost/logic/tribool_fwd.hpp]) +BOOST_FIND_HEADER([boost/logic/tribool.hpp]) +]) + + +# BOOST_TUPLE() +# ------------- +# Look for Boost.Tuple +BOOST_DEFUN([Tuple], +[BOOST_FIND_HEADER([boost/tuple/tuple.hpp])]) + + +# BOOST_TYPETRAITS() +# -------------------- +# Look for Boost.TypeTraits +BOOST_DEFUN([TypeTraits], +[BOOST_FIND_HEADER([boost/type_traits.hpp])]) + + +# BOOST_UTILITY() +# --------------- +# Look for Boost.Utility (noncopyable, result_of, base-from-member idiom, +# etc.) +BOOST_DEFUN([Utility], +[BOOST_FIND_HEADER([boost/utility.hpp])]) + + +# BOOST_VARIANT() +# --------------- +# Look for Boost.Variant. +BOOST_DEFUN([Variant], +[BOOST_FIND_HEADER([boost/variant/variant_fwd.hpp]) +BOOST_FIND_HEADER([boost/variant.hpp])]) + +# BOOST_POINTERCONTAINER() +# ------------------------ +# Look for Boost.PointerContainer +BOOST_DEFUN([Pointer_Container], +[BOOST_FIND_HEADER([boost/ptr_container/ptr_deque.hpp]) +BOOST_FIND_HEADER([boost/ptr_container/ptr_list.hpp]) +BOOST_FIND_HEADER([boost/ptr_container/ptr_vector.hpp]) +BOOST_FIND_HEADER([boost/ptr_container/ptr_array.hpp]) +BOOST_FIND_HEADER([boost/ptr_container/ptr_set.hpp]) +BOOST_FIND_HEADER([boost/ptr_container/ptr_map.hpp]) +])# BOOST_POINTERCONTAINER + +# BOOST_WAVE([PREFERRED-RT-OPT]) +# ------------------------------ +# NOTE: If you intend to use Wave/Spirit with thread support, make sure you +# call BOOST_THREADS first. +# Look for Boost.Wave. For the documentation of PREFERRED-RT-OPT, see the +# documentation of BOOST_FIND_LIB above. +BOOST_DEFUN([Wave], +[AC_REQUIRE([BOOST_FILESYSTEM])dnl +AC_REQUIRE([BOOST_DATE_TIME])dnl +boost_wave_save_LIBS=$LIBS +boost_wave_save_LDFLAGS=$LDFLAGS +m4_pattern_allow([^BOOST_((FILE)?SYSTEM|DATE_TIME|THREAD)_(LIBS|LDFLAGS)$])dnl +LIBS="$LIBS $BOOST_SYSTEM_LIBS $BOOST_FILESYSTEM_LIBS $BOOST_DATE_TIME_LIBS \ +$BOOST_THREAD_LIBS" +LDFLAGS="$LDFLAGS $BOOST_SYSTEM_LDFLAGS $BOOST_FILESYSTEM_LDFLAGS \ +$BOOST_DATE_TIME_LDFLAGS $BOOST_THREAD_LDFLAGS" +BOOST_FIND_LIB([wave], [$1], + [boost/wave.hpp], + [boost::wave::token_id id; get_token_name(id);]) +LIBS=$boost_wave_save_LIBS +LDFLAGS=$boost_wave_save_LDFLAGS +])# BOOST_WAVE + + +# BOOST_XPRESSIVE() +# ----------------- +# Look for Boost.Xpressive (new since 1.36.0). +BOOST_DEFUN([Xpressive], +[BOOST_FIND_HEADER([boost/xpressive/xpressive.hpp])]) + + +# ----------------- # +# Internal helpers. # +# ----------------- # + + +# _BOOST_PTHREAD_FLAG() +# --------------------- +# Internal helper for BOOST_THREADS. Based on ACX_PTHREAD: +# http://autoconf-archive.cryp.to/acx_pthread.html +AC_DEFUN([_BOOST_PTHREAD_FLAG], +[AC_REQUIRE([AC_PROG_CXX])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_LANG_PUSH([C++])dnl +AC_CACHE_CHECK([for the flags needed to use pthreads], [boost_cv_pthread_flag], +[ boost_cv_pthread_flag= + # The ordering *is* (sometimes) important. Some notes on the + # individual items follow: + # (none): in case threads are in libc; should be tried before -Kthread and + # other compiler flags to prevent continual compiler warnings + # -lpthreads: AIX (must check this before -lpthread) + # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) + # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) + # -llthread: LinuxThreads port on FreeBSD (also preferred to -pthread) + # -pthread: GNU Linux/GCC (kernel threads), BSD/GCC (userland threads) + # -pthreads: Solaris/GCC + # -mthreads: MinGW32/GCC, Lynx/GCC + # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it + # doesn't hurt to check since this sometimes defines pthreads too; + # also defines -D_REENTRANT) + # ... -mt is also the pthreads flag for HP/aCC + # -lpthread: GNU Linux, etc. + # --thread-safe: KAI C++ + case $host_os in #( + *solaris*) + # On Solaris (at least, for some versions), libc contains stubbed + # (non-functional) versions of the pthreads routines, so link-based + # tests will erroneously succeed. (We need to link with -pthreads/-mt/ + # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather + # a function called by this macro, so we could check for that, but + # who knows whether they'll stub that too in a future libc.) So, + # we'll just look for -pthreads and -lpthread first: + boost_pthread_flags="-pthreads -lpthread -mt -pthread";; #( + *) + boost_pthread_flags="-lpthreads -Kthread -kthread -llthread -pthread \ + -pthreads -mthreads -lpthread --thread-safe -mt";; + esac + # Generate the test file. + AC_LANG_CONFTEST([AC_LANG_PROGRAM([#include <pthread.h>], + [pthread_t th; pthread_join(th, 0); + pthread_attr_init(0); pthread_cleanup_push(0, 0); + pthread_create(0,0,0,0); pthread_cleanup_pop(0);])]) + for boost_pthread_flag in '' $boost_pthread_flags; do + boost_pthread_ok=false +dnl Re-use the test file already generated. + boost_pthreads__save_LIBS=$LIBS + LIBS="$LIBS $boost_pthread_flag" + AC_LINK_IFELSE([], + [if grep ".*$boost_pthread_flag" conftest.err; then + echo "This flag seems to have triggered warnings" >&AS_MESSAGE_LOG_FD + else + boost_pthread_ok=:; boost_cv_pthread_flag=$boost_pthread_flag + fi]) + LIBS=$boost_pthreads__save_LIBS + $boost_pthread_ok && break + done +]) +AC_LANG_POP([C++])dnl +])# _BOOST_PTHREAD_FLAG + + +# _BOOST_gcc_test(MAJOR, MINOR) +# ----------------------------- +# Internal helper for _BOOST_FIND_COMPILER_TAG. +m4_define([_BOOST_gcc_test], +["defined __GNUC__ && __GNUC__ == $1 && __GNUC_MINOR__ == $2 && !defined __ICC @ gcc$1$2"])dnl + + +# _BOOST_FIND_COMPILER_TAG() +# -------------------------- +# Internal. When Boost is installed without --layout=system, each library +# filename will hold a suffix that encodes the compiler used during the +# build. The Boost build system seems to call this a `tag'. +AC_DEFUN([_BOOST_FIND_COMPILER_TAG], +[AC_REQUIRE([AC_PROG_CXX])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_CACHE_CHECK([for the toolset name used by Boost for $CXX], [boost_cv_lib_tag], +[boost_cv_lib_tag=unknown +if test x$boost_cv_inc_path != xno; then + AC_LANG_PUSH([C++])dnl + # The following tests are mostly inspired by boost/config/auto_link.hpp + # The list is sorted to most recent/common to oldest compiler (in order + # to increase the likelihood of finding the right compiler with the + # least number of compilation attempt). + # Beware that some tests are sensible to the order (for instance, we must + # look for MinGW before looking for GCC3). + # I used one compilation test per compiler with a #error to recognize + # each compiler so that it works even when cross-compiling (let me know + # if you know a better approach). + # Known missing tags (known from Boost's tools/build/v2/tools/common.jam): + # como, edg, kcc, bck, mp, sw, tru, xlc + # I'm not sure about my test for `il' (be careful: Intel's ICC pre-defines + # the same defines as GCC's). + for i in \ + _BOOST_gcc_test(4, 8) \ + _BOOST_gcc_test(4, 7) \ + _BOOST_gcc_test(4, 6) \ + _BOOST_gcc_test(4, 5) \ + _BOOST_gcc_test(4, 4) \ + _BOOST_gcc_test(4, 3) \ + _BOOST_gcc_test(4, 2) \ + _BOOST_gcc_test(4, 1) \ + _BOOST_gcc_test(4, 0) \ + "defined __GNUC__ && __GNUC__ == 3 && !defined __ICC \ + && (defined WIN32 || defined WINNT || defined _WIN32 || defined __WIN32 \ + || defined __WIN32__ || defined __WINNT || defined __WINNT__) @ mgw" \ + _BOOST_gcc_test(3, 4) \ + _BOOST_gcc_test(3, 3) \ + "defined _MSC_VER && _MSC_VER >= 1500 @ vc90" \ + "defined _MSC_VER && _MSC_VER == 1400 @ vc80" \ + _BOOST_gcc_test(3, 2) \ + "defined _MSC_VER && _MSC_VER == 1310 @ vc71" \ + _BOOST_gcc_test(3, 1) \ + _BOOST_gcc_test(3, 0) \ + "defined __BORLANDC__ @ bcb" \ + "defined __ICC && (defined __unix || defined __unix__) @ il" \ + "defined __ICL @ iw" \ + "defined _MSC_VER && _MSC_VER == 1300 @ vc7" \ + _BOOST_gcc_test(2, 95) \ + "defined __MWERKS__ && __MWERKS__ <= 0x32FF @ cw9" \ + "defined _MSC_VER && _MSC_VER < 1300 && !defined UNDER_CE @ vc6" \ + "defined _MSC_VER && _MSC_VER < 1300 && defined UNDER_CE @ evc4" \ + "defined __MWERKS__ && __MWERKS__ <= 0x31FF @ cw8" + do + boost_tag_test=`expr "X$i" : 'X\([[^@]]*\) @ '` + boost_tag=`expr "X$i" : 'X[[^@]]* @ \(.*\)'` + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#if $boost_tag_test +/* OK */ +#else +# error $boost_tag_test +#endif +]])], [boost_cv_lib_tag=$boost_tag; break], []) + done +AC_LANG_POP([C++])dnl + case $boost_cv_lib_tag in #( + # Some newer (>= 1.35?) versions of Boost seem to only use "gcc" as opposed + # to "gcc41" for instance. + *-gcc | *'-gcc ') :;; #( Don't re-add -gcc: it's already in there. + gcc*) + boost_tag_x= + case $host_os in #( + darwin*) + if test $boost_major_version -ge 136; then + # The `x' added in r46793 of Boost. + boost_tag_x=x + fi;; + esac + # We can specify multiple tags in this variable because it's used by + # BOOST_FIND_LIB that does a `for tag in -$boost_cv_lib_tag' ... + boost_cv_lib_tag="$boost_tag_x$boost_cv_lib_tag -${boost_tag_x}gcc" + ;; #( + unknown) + AC_MSG_WARN([[could not figure out which toolset name to use for $CXX]]) + boost_cv_lib_tag= + ;; + esac +fi])dnl end of AC_CACHE_CHECK +])# _BOOST_FIND_COMPILER_TAG + + +# _BOOST_GUESS_WHETHER_TO_USE_MT() +# -------------------------------- +# Compile a small test to try to guess whether we should favor MT (Multi +# Thread) flavors of Boost. Sets boost_guess_use_mt accordingly. +AC_DEFUN([_BOOST_GUESS_WHETHER_TO_USE_MT], +[# Check whether we do better use `mt' even though we weren't ask to. +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#if defined _REENTRANT || defined _MT || defined __MT__ +/* use -mt */ +#else +# error MT not needed +#endif +]])], [boost_guess_use_mt=:], [boost_guess_use_mt=false]) +]) + +# _BOOST_AC_LINK_IFELSE(PROGRAM, [ACTION-IF-TRUE], [ACTION-IF-FALSE]) +# ------------------------------------------------------------------- +# Fork of _AC_LINK_IFELSE that preserves conftest.o across calls. Fragile, +# will break when Autoconf changes its internals. Requires that you manually +# rm -f conftest.$ac_objext in between to really different tests, otherwise +# you will try to link a conftest.o left behind by a previous test. +# Used to aggressively optimize BOOST_FIND_LIB (see the big comment in this +# macro). +# +# Don't use "break" in the actions, as it would short-circuit some code +# this macro runs after the actions. +m4_define([_BOOST_AC_LINK_IFELSE], +[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl +rm -f conftest$ac_exeext +boost_save_ac_ext=$ac_ext +boost_use_source=: +# If we already have a .o, re-use it. We change $ac_ext so that $ac_link +# tries to link the existing object file instead of compiling from source. +test -f conftest.$ac_objext && ac_ext=$ac_objext && boost_use_source=false && + _AS_ECHO_LOG([re-using the existing conftest.$ac_objext]) +AS_IF([_AC_DO_STDERR($ac_link) && { + test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + $as_executable_p conftest$ac_exeext +dnl FIXME: use AS_TEST_X instead when 2.61 is widespread enough. + }], + [$2], + [if $boost_use_source; then + _AC_MSG_LOG_CONFTEST + fi + $3]) +ac_objext=$boost_save_ac_objext +ac_ext=$boost_save_ac_ext +dnl Delete also the IPA/IPO (Inter Procedural Analysis/Optimization) +dnl information created by the PGI compiler (conftest_ipa8_conftest.oo), +dnl as it would interfere with the next link command. +rm -f core conftest.err conftest_ipa8_conftest.oo \ + conftest$ac_exeext m4_ifval([$1], [conftest.$ac_ext])[]dnl +])# _BOOST_AC_LINK_IFELSE + +# Local Variables: +# mode: autoconf +# End: |