dnl @synopsis AC_CXX_EXCEPTIONS
dnl
dnl If the C++ compiler supports exceptions handling (try, throw and
dnl catch), define HAVE_EXCEPTIONS.
dnl
dnl @category Cxx
dnl @author Todd Veldhuizen
dnl @author Luc Maisonobe <luc@spaceroots.org>
dnl @version 2004-02-04
dnl @license AllPermissive

AC_DEFUN([AC_CXX_EXCEPTIONS],
[AC_CACHE_CHECK(whether the compiler supports exceptions,
ac_cv_cxx_exceptions,
[AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
 AC_TRY_COMPILE(,[try { throw  1; } catch (int i) { return i; }],
 ac_cv_cxx_exceptions=yes, ac_cv_cxx_exceptions=no)
 AC_LANG_RESTORE
])
if test "$ac_cv_cxx_exceptions" = yes; then
  AC_DEFINE(HAVE_EXCEPTIONS,,[define if the compiler supports exceptions])
fi
])