dnl Available from the GNU Autoconf Macro Archive at: dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_exceptions.html dnl 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 ])