# boost's headers must be present. AX_BOOST_BASE([1.46.0]) # boost::filesystem must be present. AX_BOOST_FILESYSTEM() if test x"$ax_cv_boost_filesystem" != "xyes"; then AC_MSG_ERROR(The Boost Filesystem Library was not found.) fi # boost::regex must be present. AX_BOOST_REGEX() if test x"$ax_cv_boost_regex" != "xyes"; then AC_MSG_ERROR(The Boost Regex Library was not found.) fi # boost::system must be present. AX_BOOST_SYSTEM() if test x"$ax_cv_boost_system" != "xyes"; then AC_MSG_ERROR(The Boost System Library was not found.) fi AX_BOOST_CHECK_HEADERS([boost/rational.hpp],,[ AC_MSG_ERROR([Boost's rational library is required but wasn't found]) ])