1# sys_stat_h.m4 serial 26   -*- Autoconf -*-
2dnl Copyright (C) 2006-2012 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 Ensure the type mode_t gets defined.
23  AC_REQUIRE([AC_TYPE_MODE_T])
24
25  dnl Define types that are supposed to be defined in <sys/types.h> or
26  dnl <sys/stat.h>.
27  AC_CHECK_TYPE([nlink_t], [],
28    [AC_DEFINE([nlink_t], [int],
29       [Define to the type of st_nlink in struct stat, or a supertype.])],
30    [#include <sys/types.h>
31     #include <sys/stat.h>])
32
33  dnl Check for declarations of anything we want to poison if the
34  dnl corresponding gnulib module is not in use.
35  gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
36    ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
37    mknod mknodat stat utimensat])
38]) # gl_HEADER_SYS_STAT_H
39
40AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],
41[
42  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
43  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
44  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
45  dnl Define it also as a C macro, for the benefit of the unit tests.
46  gl_MODULE_INDICATOR_FOR_TESTS([$1])
47])
48
49AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
50[
51  AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
52  GNULIB_FCHMODAT=0;    AC_SUBST([GNULIB_FCHMODAT])
53  GNULIB_FSTAT=0;       AC_SUBST([GNULIB_FSTAT])
54  GNULIB_FSTATAT=0;     AC_SUBST([GNULIB_FSTATAT])
55  GNULIB_FUTIMENS=0;    AC_SUBST([GNULIB_FUTIMENS])
56  GNULIB_LCHMOD=0;      AC_SUBST([GNULIB_LCHMOD])
57  GNULIB_LSTAT=0;       AC_SUBST([GNULIB_LSTAT])
58  GNULIB_MKDIRAT=0;     AC_SUBST([GNULIB_MKDIRAT])
59  GNULIB_MKFIFO=0;      AC_SUBST([GNULIB_MKFIFO])
60  GNULIB_MKFIFOAT=0;    AC_SUBST([GNULIB_MKFIFOAT])
61  GNULIB_MKNOD=0;       AC_SUBST([GNULIB_MKNOD])
62  GNULIB_MKNODAT=0;     AC_SUBST([GNULIB_MKNODAT])
63  GNULIB_STAT=0;        AC_SUBST([GNULIB_STAT])
64  GNULIB_UTIMENSAT=0;   AC_SUBST([GNULIB_UTIMENSAT])
65  dnl Assume proper GNU behavior unless another module says otherwise.
66  HAVE_FCHMODAT=1;      AC_SUBST([HAVE_FCHMODAT])
67  HAVE_FSTATAT=1;       AC_SUBST([HAVE_FSTATAT])
68  HAVE_FUTIMENS=1;      AC_SUBST([HAVE_FUTIMENS])
69  HAVE_LCHMOD=1;        AC_SUBST([HAVE_LCHMOD])
70  HAVE_LSTAT=1;         AC_SUBST([HAVE_LSTAT])
71  HAVE_MKDIRAT=1;       AC_SUBST([HAVE_MKDIRAT])
72  HAVE_MKFIFO=1;        AC_SUBST([HAVE_MKFIFO])
73  HAVE_MKFIFOAT=1;      AC_SUBST([HAVE_MKFIFOAT])
74  HAVE_MKNOD=1;         AC_SUBST([HAVE_MKNOD])
75  HAVE_MKNODAT=1;       AC_SUBST([HAVE_MKNODAT])
76  HAVE_UTIMENSAT=1;     AC_SUBST([HAVE_UTIMENSAT])
77  REPLACE_FSTAT=0;      AC_SUBST([REPLACE_FSTAT])
78  REPLACE_FSTATAT=0;    AC_SUBST([REPLACE_FSTATAT])
79  REPLACE_FUTIMENS=0;   AC_SUBST([REPLACE_FUTIMENS])
80  REPLACE_LSTAT=0;      AC_SUBST([REPLACE_LSTAT])
81  REPLACE_MKDIR=0;      AC_SUBST([REPLACE_MKDIR])
82  REPLACE_MKFIFO=0;     AC_SUBST([REPLACE_MKFIFO])
83  REPLACE_MKNOD=0;      AC_SUBST([REPLACE_MKNOD])
84  REPLACE_STAT=0;       AC_SUBST([REPLACE_STAT])
85  REPLACE_UTIMENSAT=0;  AC_SUBST([REPLACE_UTIMENSAT])
86])
87