uintmax_t.m4 1.1 KB

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  1. # uintmax_t.m4 serial 6 (gettext-0.11)
  2. dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
  3. dnl This file is free software, distributed under the terms of the GNU
  4. dnl General Public License. As a special exception to the GNU General
  5. dnl Public License, this file may be distributed as part of a program
  6. dnl that contains a configuration script generated by Autoconf, under
  7. dnl the same distribution terms as the rest of that program.
  8. dnl From Paul Eggert.
  9. AC_PREREQ(2.13)
  10. # Define uintmax_t to `unsigned long' or `unsigned long long'
  11. # if <inttypes.h> does not exist.
  12. AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
  13. [
  14. AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
  15. AC_REQUIRE([jm_AC_HEADER_STDINT_H])
  16. if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
  17. AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
  18. test $ac_cv_type_unsigned_long_long = yes \
  19. && ac_type='unsigned long long' \
  20. || ac_type='unsigned long'
  21. AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
  22. [Define to unsigned long or unsigned long long
  23. if <inttypes.h> and <stdint.h> don't define.])
  24. fi
  25. ])