#serial 6

dnl From Paul Eggert.

AC_PREREQ(2.50)

# Define uintmax_t to `unsigned long' or `unsigned long long'
# if <inttypes.h> does not exist.

AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
[
  AC_CHECK_TYPE(uintmax_t, ,
    [AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
     test $ac_cv_type_unsigned_long_long = yes \
       && ac_type='unsigned long long' \
       || ac_type='unsigned long'
     AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
       [Define to the widest unsigned type if standard headers do not declare.])])
])