Adam Tkac | fc4cd71 | 2009-03-11 11:14:37 +0000 | [diff] [blame] | 1 | # stdint_h.m4 serial 5 |
| 2 | dnl Copyright (C) 1997-2004 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 | |
| 7 | dnl From Paul Eggert. |
| 8 | |
| 9 | # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists, |
| 10 | # doesn't clash with <sys/types.h>, and declares uintmax_t. |
| 11 | |
| 12 | AC_DEFUN([gl_AC_HEADER_STDINT_H], |
| 13 | [ |
| 14 | AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h, |
| 15 | [AC_TRY_COMPILE( |
| 16 | [#include <sys/types.h> |
| 17 | #include <stdint.h>], |
| 18 | [uintmax_t i = (uintmax_t) -1;], |
| 19 | gl_cv_header_stdint_h=yes, |
| 20 | gl_cv_header_stdint_h=no)]) |
| 21 | if test $gl_cv_header_stdint_h = yes; then |
| 22 | AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1, |
| 23 | [Define if <stdint.h> exists, doesn't clash with <sys/types.h>, |
| 24 | and declares uintmax_t. ]) |
| 25 | fi |
| 26 | ]) |