intmax.m4 1.1 KB

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  1. # intmax.m4 serial 1 (gettext-0.12)
  2. dnl Copyright (C) 2002-2003 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 Bruno Haible.
  9. dnl Test whether the system has the 'intmax_t' type, but don't attempt to
  10. dnl find a replacement if it is lacking.
  11. AC_DEFUN([gt_TYPE_INTMAX_T],
  12. [
  13. AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
  14. AC_REQUIRE([jm_AC_HEADER_STDINT_H])
  15. AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
  16. [AC_TRY_COMPILE([
  17. #include <stddef.h>
  18. #include <stdlib.h>
  19. #if HAVE_STDINT_H_WITH_UINTMAX
  20. #include <stdint.h>
  21. #endif
  22. #if HAVE_INTTYPES_H_WITH_UINTMAX
  23. #include <inttypes.h>
  24. #endif
  25. ], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
  26. if test $gt_cv_c_intmax_t = yes; then
  27. AC_DEFINE(HAVE_INTMAX_T, 1,
  28. [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
  29. fi
  30. ])