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stdint_h.m4 995 B

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  1. # stdint_h.m4 serial 9
  2. dnl Copyright (C) 1997-2004, 2006, 2008-2014 Free Software Foundation, Inc.
  3. dnl This file is free software; the Free Software Foundation
  4. dnl gives unlimited permission to copy and/or distribute it,
  5. dnl with or without modifications, as long as this notice is preserved.
  6. dnl From Paul Eggert.
  7. # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
  8. # doesn't clash with <sys/types.h>, and declares uintmax_t.
  9. AC_DEFUN([gl_AC_HEADER_STDINT_H],
  10. [
  11. AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h],
  12. [AC_COMPILE_IFELSE(
  13. [AC_LANG_PROGRAM(
  14. [[#include <sys/types.h>
  15. #include <stdint.h>]],
  16. [[uintmax_t i = (uintmax_t) -1; return !i;]])],
  17. [gl_cv_header_stdint_h=yes],
  18. [gl_cv_header_stdint_h=no])])
  19. if test $gl_cv_header_stdint_h = yes; then
  20. AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1],
  21. [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
  22. and declares uintmax_t. ])
  23. fi
  24. ])