+# Boost
+
+echo "$as_me: this is boost.m4 serial 16" >&5
+boost_save_IFS=$IFS
+boost_version_req=
+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.$3
+
+# Check whether --with-boost was given.
+if test "${with_boost+set}" = set; then :
+ withval=$with_boost;
+fi
+# If BOOST_ROOT is set and the user has not provided a value to
+# --with-boost, then treat BOOST_ROOT as if it the user supplied it.
+if test x"$BOOST_ROOT" != x; then
+ if test x"$with_boost" = x; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Detected BOOST_ROOT; continuing with --with-boost=$BOOST_ROOT" >&5
+$as_echo "$as_me: Detected BOOST_ROOT; continuing with --with-boost=$BOOST_ROOT" >&6;}
+ with_boost=$BOOST_ROOT
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Detected BOOST_ROOT=$BOOST_ROOT, but overridden by --with-boost=$with_boost" >&5
+$as_echo "$as_me: Detected BOOST_ROOT=$BOOST_ROOT, but overridden by --with-boost=$with_boost" >&6;}
+ fi
+fi
+DISTCHECK_CONFIGURE_FLAGS="$DISTCHECK_CONFIGURE_FLAGS '--with-boost=$with_boost'"
+boost_save_CPPFLAGS=$CPPFLAGS
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Boost headers version >= $boost_version_req_string" >&5
+$as_echo_n "checking for Boost headers version >= $boost_version_req_string... " >&6; }
+if test "${boost_cv_inc_path+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ boost_cv_inc_path=no
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#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
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+ # 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
+ if ac_fn_cxx_try_compile "$LINENO"; then :
+ boost_cv_inc_path=yes
+else
+ boost_cv_version=no
+fi
+rm -f core conftest.err conftest.$ac_objext
+ if test x"$boost_cv_inc_path" = xyes; then
+ if test x"$boost_inc" != x; then
+ boost_cv_inc_path=$boost_inc
+ fi
+ break 2
+ fi
+ done
+ done
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $boost_cv_inc_path" >&5
+$as_echo "$boost_cv_inc_path" >&6; }
+ case $boost_cv_inc_path in #(
+ no)
+ boost_errmsg="cannot find Boost headers version >= $boost_version_req_string"
+ as_fn_error $? "$boost_errmsg" "$LINENO" 5
+
+ ;;#(
+ yes)
+ BOOST_CPPFLAGS=
+ ;;#(
+ *)
+ BOOST_CPPFLAGS="-I$boost_cv_inc_path"
+ ;;
+ esac
+ if test x"$boost_cv_inc_path" != xno; then
+
+$as_echo "#define HAVE_BOOST 1" >>confdefs.h
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Boost's header version" >&5
+$as_echo_n "checking for Boost's header version... " >&6; }
+if test "${boost_cv_lib_version+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <boost/version.hpp>
+boost_lib_version = BOOST_LIB_VERSION
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ tr -d '\r' |
+ $SED -n -e "/^boost_lib_version = /{s///;s/\"//g;p;q;}" >conftest.i 2>&1; then :
+ boost_cv_lib_version=`cat conftest.i`
+fi
+rm -rf conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $boost_cv_lib_version" >&5
+$as_echo "$boost_cv_lib_version" >&6; }
+ # e.g. "134" for 1_34_1 or "135" for 1_35
+ boost_major_version=`echo "$boost_cv_lib_version" | $SED 's/_//;s/_.*//;s/ //'`
+ case $boost_major_version in #(
+ '' | *[!0-9]*)
+ as_fn_error $? "invalid value: boost_major_version=$boost_major_version" "$LINENO" 5
+ ;;
+ esac
+fi
+CPPFLAGS=$boost_save_CPPFLAGS
+
+if test x"$boost_cv_inc_path" = xno; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Boost not available, not searching for boost/bind.hpp" >&5
+$as_echo "$as_me: Boost not available, not searching for boost/bind.hpp" >&6;}
+else
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+boost_save_CPPFLAGS=$CPPFLAGS
+CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+ac_fn_cxx_check_header_mongrel "$LINENO" "boost/bind.hpp" "ac_cv_header_boost_bind_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_boost_bind_hpp" = x""yes; then :
+
+$as_echo "#define HAVE_BOOST_BIND_HPP 1" >>confdefs.h
+
+else
+ as_fn_error $? "cannot find boost/bind.hpp" "$LINENO" 5
+fi
+
+
+CPPFLAGS=$boost_save_CPPFLAGS
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+fi
+
+
+if test x"$boost_cv_inc_path" = xno; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Boost not available, not searching for boost/lambda/lambda.hpp" >&5
+$as_echo "$as_me: Boost not available, not searching for boost/lambda/lambda.hpp" >&6;}
+else
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+boost_save_CPPFLAGS=$CPPFLAGS
+CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+ac_fn_cxx_check_header_mongrel "$LINENO" "boost/lambda/lambda.hpp" "ac_cv_header_boost_lambda_lambda_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_boost_lambda_lambda_hpp" = x""yes; then :
+
+$as_echo "#define HAVE_BOOST_LAMBDA_LAMBDA_HPP 1" >>confdefs.h
+
+else
+ as_fn_error $? "cannot find boost/lambda/lambda.hpp" "$LINENO" 5
+fi
+
+
+CPPFLAGS=$boost_save_CPPFLAGS
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+fi
+
+
+if test x"$boost_cv_inc_path" = xno; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Boost not available, not searching for boost/ptr_container/ptr_vector.hpp" >&5
+$as_echo "$as_me: Boost not available, not searching for boost/ptr_container/ptr_vector.hpp" >&6;}
+else
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+boost_save_CPPFLAGS=$CPPFLAGS
+CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+ac_fn_cxx_check_header_mongrel "$LINENO" "boost/ptr_container/ptr_vector.hpp" "ac_cv_header_boost_ptr_container_ptr_vector_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_boost_ptr_container_ptr_vector_hpp" = x""yes; then :
+
+$as_echo "#define HAVE_BOOST_PTR_CONTAINER_PTR_VECTOR_HPP 1" >>confdefs.h
+
+else
+ as_fn_error $? "cannot find boost/ptr_container/ptr_vector.hpp" "$LINENO" 5
+fi
+
+
+CPPFLAGS=$boost_save_CPPFLAGS
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+fi
+
+
+if test x"$boost_cv_inc_path" = xno; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Boost not available, not searching for boost/scoped_ptr.hpp" >&5
+$as_echo "$as_me: Boost not available, not searching for boost/scoped_ptr.hpp" >&6;}
+else
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+boost_save_CPPFLAGS=$CPPFLAGS
+CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+ac_fn_cxx_check_header_mongrel "$LINENO" "boost/scoped_ptr.hpp" "ac_cv_header_boost_scoped_ptr_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_boost_scoped_ptr_hpp" = x""yes; then :
+
+$as_echo "#define HAVE_BOOST_SCOPED_PTR_HPP 1" >>confdefs.h
+
+else
+ as_fn_error $? "cannot find boost/scoped_ptr.hpp" "$LINENO" 5
+fi
+
+
+CPPFLAGS=$boost_save_CPPFLAGS
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+fi
+
+if test x"$boost_cv_inc_path" = xno; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Boost not available, not searching for boost/shared_ptr.hpp" >&5
+$as_echo "$as_me: Boost not available, not searching for boost/shared_ptr.hpp" >&6;}
+else
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+boost_save_CPPFLAGS=$CPPFLAGS
+CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+ac_fn_cxx_check_header_mongrel "$LINENO" "boost/shared_ptr.hpp" "ac_cv_header_boost_shared_ptr_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_boost_shared_ptr_hpp" = x""yes; then :
+
+$as_echo "#define HAVE_BOOST_SHARED_PTR_HPP 1" >>confdefs.h
+
+else
+ as_fn_error $? "cannot find boost/shared_ptr.hpp" "$LINENO" 5
+fi
+
+
+CPPFLAGS=$boost_save_CPPFLAGS
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+fi
+
+
+
+if test x"$boost_cv_inc_path" = xno; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Boost not available, not searching for boost/algorithm/string.hpp" >&5
+$as_echo "$as_me: Boost not available, not searching for boost/algorithm/string.hpp" >&6;}
+else
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+boost_save_CPPFLAGS=$CPPFLAGS
+CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
+ac_fn_cxx_check_header_mongrel "$LINENO" "boost/algorithm/string.hpp" "ac_cv_header_boost_algorithm_string_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_boost_algorithm_string_hpp" = x""yes; then :
+
+$as_echo "#define HAVE_BOOST_ALGORITHM_STRING_HPP 1" >>confdefs.h
+
+else
+ as_fn_error $? "cannot find boost/algorithm/string.hpp" "$LINENO" 5
+fi
+
+
+CPPFLAGS=$boost_save_CPPFLAGS
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+fi
+
+
+
+CPPFLAGS="$BOOST_CPPFLAGS $CPPFLAGS"
+