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1# sys_stat_h.m4 serial 28   -*- 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 Check for broken stat macros.
15  AC_REQUIRE([AC_HEADER_STAT])
16
17  gl_CHECK_NEXT_HEADERS([sys/stat.h])
18
19  dnl Ensure the type mode_t gets defined.
20  AC_REQUIRE([AC_TYPE_MODE_T])
21
22  dnl Whether to override 'struct stat'.
23  m4_ifdef([gl_LARGEFILE], [
24    AC_REQUIRE([gl_LARGEFILE])
25  ], [
26    WINDOWS_64_BIT_ST_SIZE=0
27  ])
28  AC_SUBST([WINDOWS_64_BIT_ST_SIZE])
29  if test $WINDOWS_64_BIT_ST_SIZE = 1; then
30    AC_DEFINE([_GL_WINDOWS_64_BIT_ST_SIZE], [1],
31      [Define to 1 if Gnulib overrides 'struct stat' on Windows so that
32       struct stat.st_size becomes 64-bit.])
33  fi
34
35  dnl Define types that are supposed to be defined in <sys/types.h> or
36  dnl <sys/stat.h>.
37  AC_CHECK_TYPE([nlink_t], [],
38    [AC_DEFINE([nlink_t], [int],
39       [Define to the type of st_nlink in struct stat, or a supertype.])],
40    [#include <sys/types.h>
41     #include <sys/stat.h>])
42
43  dnl Check for declarations of anything we want to poison if the
44  dnl corresponding gnulib module is not in use.
45  gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
46    ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
47    mknod mknodat stat utimensat])
48]) # gl_HEADER_SYS_STAT_H
49
50AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],
51[
52  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
53  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
54  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
55  dnl Define it also as a C macro, for the benefit of the unit tests.
56  gl_MODULE_INDICATOR_FOR_TESTS([$1])
57])
58
59AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
60[
61  AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
62  GNULIB_FCHMODAT=0;    AC_SUBST([GNULIB_FCHMODAT])
63  GNULIB_FSTAT=0;       AC_SUBST([GNULIB_FSTAT])
64  GNULIB_FSTATAT=0;     AC_SUBST([GNULIB_FSTATAT])
65  GNULIB_FUTIMENS=0;    AC_SUBST([GNULIB_FUTIMENS])
66  GNULIB_LCHMOD=0;      AC_SUBST([GNULIB_LCHMOD])
67  GNULIB_LSTAT=0;       AC_SUBST([GNULIB_LSTAT])
68  GNULIB_MKDIRAT=0;     AC_SUBST([GNULIB_MKDIRAT])
69  GNULIB_MKFIFO=0;      AC_SUBST([GNULIB_MKFIFO])
70  GNULIB_MKFIFOAT=0;    AC_SUBST([GNULIB_MKFIFOAT])
71  GNULIB_MKNOD=0;       AC_SUBST([GNULIB_MKNOD])
72  GNULIB_MKNODAT=0;     AC_SUBST([GNULIB_MKNODAT])
73  GNULIB_STAT=0;        AC_SUBST([GNULIB_STAT])
74  GNULIB_UTIMENSAT=0;   AC_SUBST([GNULIB_UTIMENSAT])
75  dnl Assume proper GNU behavior unless another module says otherwise.
76  HAVE_FCHMODAT=1;      AC_SUBST([HAVE_FCHMODAT])
77  HAVE_FSTATAT=1;       AC_SUBST([HAVE_FSTATAT])
78  HAVE_FUTIMENS=1;      AC_SUBST([HAVE_FUTIMENS])
79  HAVE_LCHMOD=1;        AC_SUBST([HAVE_LCHMOD])
80  HAVE_LSTAT=1;         AC_SUBST([HAVE_LSTAT])
81  HAVE_MKDIRAT=1;       AC_SUBST([HAVE_MKDIRAT])
82  HAVE_MKFIFO=1;        AC_SUBST([HAVE_MKFIFO])
83  HAVE_MKFIFOAT=1;      AC_SUBST([HAVE_MKFIFOAT])
84  HAVE_MKNOD=1;         AC_SUBST([HAVE_MKNOD])
85  HAVE_MKNODAT=1;       AC_SUBST([HAVE_MKNODAT])
86  HAVE_UTIMENSAT=1;     AC_SUBST([HAVE_UTIMENSAT])
87  REPLACE_FSTAT=0;      AC_SUBST([REPLACE_FSTAT])
88  REPLACE_FSTATAT=0;    AC_SUBST([REPLACE_FSTATAT])
89  REPLACE_FUTIMENS=0;   AC_SUBST([REPLACE_FUTIMENS])
90  REPLACE_LSTAT=0;      AC_SUBST([REPLACE_LSTAT])
91  REPLACE_MKDIR=0;      AC_SUBST([REPLACE_MKDIR])
92  REPLACE_MKFIFO=0;     AC_SUBST([REPLACE_MKFIFO])
93  REPLACE_MKNOD=0;      AC_SUBST([REPLACE_MKNOD])
94  REPLACE_STAT=0;       AC_SUBST([REPLACE_STAT])
95  REPLACE_UTIMENSAT=0;  AC_SUBST([REPLACE_UTIMENSAT])
96])
97