dnl @synopsis AC_C_LONG_LONG
dnl
dnl Provides a test for the existance of the long long int type and
dnl defines HAVE_LONG_LONG if it is found.
dnl
dnl @category C
dnl @author Caolan McNamara <caolan@skynet.ie>
dnl @version 2001-12-23
dnl @license AllPermissive

AC_DEFUN([AC_C_LONG_LONG],
[AC_CACHE_CHECK(for long long int, ac_cv_c_long_long,
[if test "$GCC" = yes; then
  ac_cv_c_long_long=yes
  else
        AC_TRY_COMPILE(,[long long int i;],
   ac_cv_c_long_long=yes,
   ac_cv_c_long_long=no)
   fi])
   if test $ac_cv_c_long_long = yes; then
     AC_DEFINE(HAVE_LONG_LONG)
   fi
])