AC_DEFUN([AX_BOOST_PROPERTY_TREE_TRY_COMPILE],[
  result="$1"
  AC_LANG_PUSH(C++)
  AC_TRY_COMPILE([
      #include <boost/throw_exception.hpp>
      #include <boost/property_tree/ptree.hpp>
    ],[
      boost::property_tree::ptree pt;
    ],
    ax_cv_boost_property_tree=$result,
    ax_cv_boost_property_tree=no)
  AC_LANG_POP()
])

AC_DEFUN([AX_BOOST_PROPERTY_TREE],[
  included_boost_dir="$1"
  included_boost_exception_dir="$2"

  AC_CACHE_CHECK([which boost/property_tree/ptree.hpp to use],
                 [ax_cv_boost_property_tree],[
    CXXFLAGS_SAVED="$CXXFLAGS"
    CXXFLAGS="$CXXFLAGS $BOOST_CPPFLAGS"
    export CXXFLAGS

    LDFLAGS_SAVED="$LDFLAGS"
    LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
    export LDFLAGS

    AX_BOOST_PROPERTY_TREE_TRY_COMPILE(system)

    if test x"$ax_cv_boost_property_tree" = "xno"; then
      CXXFLAGS="-I$included_boost_exception_dir -I$included_boost_dir $CXXFLAGS_SAVED $BOOST_CPPFLAGS"
      export CXXFLAGS

      AX_BOOST_PROPERTY_TREE_TRY_COMPILE(included)
    fi

    CXXFLAGS="$CXXFLAGS_SAVED"
    LDFLAGS="$LDFLAGS_SAVED"
  ])
])