fchmod-tests, fchmodat tests, lchmod tests: Add more tests.
[gnulib.git] / m4 / stdint_h.m4
blob18aa50a4a60709431d81ee03fc35830587a6a0ae
1 # stdint_h.m4 serial 9
2 dnl Copyright (C) 1997-2004, 2006, 2008-2021 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.
7 dnl From Paul Eggert.
9 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
10 # doesn't clash with <sys/types.h>, and declares uintmax_t.
12 AC_DEFUN([gl_AC_HEADER_STDINT_H],
14   AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h],
15     [AC_COMPILE_IFELSE(
16        [AC_LANG_PROGRAM(
17           [[#include <sys/types.h>
18             #include <stdint.h>]],
19           [[uintmax_t i = (uintmax_t) -1; return !i;]])],
20        [gl_cv_header_stdint_h=yes],
21        [gl_cv_header_stdint_h=no])])
22   if test $gl_cv_header_stdint_h = yes; then
23     AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1],
24       [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
25        and declares uintmax_t. ])
26   fi