# uintmax_t.m4 serial 10

dnl Copyright (C) 1997-2004, 2007 Free Software Foundation, Inc.

dnl This file is free software; the Free Software Foundation

dnl gives unlimited permission to copy and/or distribute it,

dnl with or without modifications, as long as this notice is preserved.

dnl From Paul Eggert.

AC_PREREQ(2.13)

# Define uintmax_t to 'unsigned long' or 'unsigned long long'

# if it is not already defined in <stdint.h> or <inttypes.h>.

AC_DEFUN([gl_AC_TYPE_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([AC_TYPE_UNSIGNED_LONG_LONG_INT])

    test $ac_cv_type_unsigned_long_long_int = 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

])