1# sys_stat_h.m4 serial 24   -*- Autoconf -*-
2dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl From Eric Blake.
8dnl Provide a GNU-like <sys/stat.h>.
9
10AC_DEFUN([gl_HEADER_SYS_STAT_H],
11[
12  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
13
14  dnl For the mkdir substitute.
15  AC_REQUIRE([AC_C_INLINE])
16
17  dnl Check for broken stat macros.
18  AC_REQUIRE([AC_HEADER_STAT])
19
20  gl_CHECK_NEXT_HEADERS([sys/stat.h])
21
22  dnl Define types that are supposed to be defined in <sys/types.h> or
23  dnl <sys/stat.h>.
24  AC_CHECK_TYPE([nlink_t], [],
25    [AC_DEFINE([nlink_t], [int],
26       [Define to the type of st_nlink in struct stat, or a supertype.])],
27    [#include <sys/types.h>
28     #include <sys/stat.h>])
29
30  dnl Check for declarations of anything we want to poison if the
31  dnl corresponding gnulib module is not in use.
32  gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
33    ]], [fchmodat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
34    mknod mknodat stat utimensat])
35]) # gl_HEADER_SYS_STAT_H
36
37AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],
38[
39  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
40  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
41  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
42  dnl Define it also as a C macro, for the benefit of the unit tests.
43  gl_MODULE_INDICATOR_FOR_TESTS([$1])
44])
45
46AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
47[
48  AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
49  GNULIB_FCHMODAT=0;    AC_SUBST([GNULIB_FCHMODAT])
50  GNULIB_FSTATAT=0;     AC_SUBST([GNULIB_FSTATAT])
51  GNULIB_FUTIMENS=0;    AC_SUBST([GNULIB_FUTIMENS])
52  GNULIB_LCHMOD=0;      AC_SUBST([GNULIB_LCHMOD])
53  GNULIB_LSTAT=0;       AC_SUBST([GNULIB_LSTAT])
54  GNULIB_MKDIRAT=0;     AC_SUBST([GNULIB_MKDIRAT])
55  GNULIB_MKFIFO=0;      AC_SUBST([GNULIB_MKFIFO])
56  GNULIB_MKFIFOAT=0;    AC_SUBST([GNULIB_MKFIFOAT])
57  GNULIB_MKNOD=0;       AC_SUBST([GNULIB_MKNOD])
58  GNULIB_MKNODAT=0;     AC_SUBST([GNULIB_MKNODAT])
59  GNULIB_STAT=0;        AC_SUBST([GNULIB_STAT])
60  GNULIB_UTIMENSAT=0;   AC_SUBST([GNULIB_UTIMENSAT])
61  dnl Assume proper GNU behavior unless another module says otherwise.
62  HAVE_FCHMODAT=1;      AC_SUBST([HAVE_FCHMODAT])
63  HAVE_FSTATAT=1;       AC_SUBST([HAVE_FSTATAT])
64  HAVE_FUTIMENS=1;      AC_SUBST([HAVE_FUTIMENS])
65  HAVE_LCHMOD=1;        AC_SUBST([HAVE_LCHMOD])
66  HAVE_LSTAT=1;         AC_SUBST([HAVE_LSTAT])
67  HAVE_MKDIRAT=1;       AC_SUBST([HAVE_MKDIRAT])
68  HAVE_MKFIFO=1;        AC_SUBST([HAVE_MKFIFO])
69  HAVE_MKFIFOAT=1;      AC_SUBST([HAVE_MKFIFOAT])
70  HAVE_MKNOD=1;         AC_SUBST([HAVE_MKNOD])
71  HAVE_MKNODAT=1;       AC_SUBST([HAVE_MKNODAT])
72  HAVE_UTIMENSAT=1;     AC_SUBST([HAVE_UTIMENSAT])
73  REPLACE_FSTAT=0;      AC_SUBST([REPLACE_FSTAT])
74  REPLACE_FSTATAT=0;    AC_SUBST([REPLACE_FSTATAT])
75  REPLACE_FUTIMENS=0;   AC_SUBST([REPLACE_FUTIMENS])
76  REPLACE_LSTAT=0;      AC_SUBST([REPLACE_LSTAT])
77  REPLACE_MKDIR=0;      AC_SUBST([REPLACE_MKDIR])
78  REPLACE_MKFIFO=0;     AC_SUBST([REPLACE_MKFIFO])
79  REPLACE_MKNOD=0;      AC_SUBST([REPLACE_MKNOD])
80  REPLACE_STAT=0;       AC_SUBST([REPLACE_STAT])
81  REPLACE_UTIMENSAT=0;  AC_SUBST([REPLACE_UTIMENSAT])
82])
83