AC_PREREQ(2.13)
AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
[
AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
AC_REQUIRE([jm_AC_HEADER_STDINT_H])
if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
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 unsigned long or unsigned long long
if <stdint.h> and <inttypes.h> don't define.])
else
AC_DEFINE(HAVE_UINTMAX_T, 1,
[Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
fi
])