#serial 6

dnl From Paul Eggert.

AC_PREREQ(2.52)

# Define intmax_t to long or long long if <inttypes.h> doesn't define.

AC_DEFUN([gl_AC_TYPE_INTMAX_T],

[

  dnl For simplicity, we assume that a header file defines 'intmax_t' if and

  dnl only if it defines 'uintmax_t'.

  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])

  AC_REQUIRE([gl_AC_HEADER_STDINT_H])

  if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then

    AC_REQUIRE([gl_AC_TYPE_LONG_LONG])

    test $ac_cv_type_long_long = yes \

      && ac_type='long long' \

      || ac_type='long'

    AC_DEFINE_UNQUOTED(intmax_t, $ac_type,

     [Define to long or long long if <inttypes.h> and <stdint.h> don't define.])

  else

    AC_DEFINE(HAVE_INTMAX_T, 1,

      [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])

  fi

])

# Define uintmax_t to unsigned long or unsigned long long

# if <inttypes.h> doesn't define.

AC_DEFUN([jm_AC_TYPE_UINTMAX_T],

[

  AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])

  AC_CHECK_TYPE(uintmax_t, ,

    [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 widest unsigned type if <inttypes.h> doesn't define.])])

])