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dc6c21da TT |
1 | # sys_stat_h.m4 serial 41 -*- Autoconf -*- |
2 | dnl Copyright (C) 2006-2022 Free Software Foundation, Inc. | |
09607c9e TT |
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 Eric Blake. | |
8 | dnl Provide a GNU-like <sys/stat.h>. | |
9 | ||
dc6c21da | 10 | AC_DEFUN_ONCE([gl_SYS_STAT_H], |
09607c9e TT |
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 | ||
c0c3707f CB |
22 | dnl Whether to enable precise timestamps in 'struct stat'. |
23 | m4_ifdef([gl_WINDOWS_STAT_TIMESPEC], [ | |
24 | AC_REQUIRE([gl_WINDOWS_STAT_TIMESPEC]) | |
25 | ], [ | |
26 | WINDOWS_STAT_TIMESPEC=0 | |
27 | ]) | |
28 | AC_SUBST([WINDOWS_STAT_TIMESPEC]) | |
29 | ||
30 | dnl Whether to ensure that struct stat.st_size is 64-bit wide. | |
09607c9e TT |
31 | m4_ifdef([gl_LARGEFILE], [ |
32 | AC_REQUIRE([gl_LARGEFILE]) | |
33 | ], [ | |
34 | WINDOWS_64_BIT_ST_SIZE=0 | |
35 | ]) | |
36 | AC_SUBST([WINDOWS_64_BIT_ST_SIZE]) | |
09607c9e TT |
37 | |
38 | dnl Define types that are supposed to be defined in <sys/types.h> or | |
39 | dnl <sys/stat.h>. | |
40 | AC_CHECK_TYPE([nlink_t], [], | |
41 | [AC_DEFINE([nlink_t], [int], | |
42 | [Define to the type of st_nlink in struct stat, or a supertype.])], | |
43 | [#include <sys/types.h> | |
44 | #include <sys/stat.h>]) | |
45 | ||
46 | dnl Check for declarations of anything we want to poison if the | |
47 | dnl corresponding gnulib module is not in use. | |
48 | gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h> | |
9c9d63b1 PM |
49 | ]], [fchmodat fstat fstatat futimens getumask lchmod lstat |
50 | mkdirat mkfifo mkfifoat mknod mknodat stat utimensat]) | |
698be2d8 CB |
51 | |
52 | AC_REQUIRE([AC_C_RESTRICT]) | |
53 | ]) | |
09607c9e | 54 | |
dc6c21da TT |
55 | # gl_SYS_STAT_MODULE_INDICATOR([modulename]) |
56 | # sets the shell variable that indicates the presence of the given module | |
57 | # to a C preprocessor expression that will evaluate to 1. | |
58 | # This macro invocation must not occur in macros that are AC_REQUIREd. | |
09607c9e TT |
59 | AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR], |
60 | [ | |
dc6c21da TT |
61 | dnl Ensure to expand the default settings once only. |
62 | gl_SYS_STAT_H_REQUIRE_DEFAULTS | |
09607c9e TT |
63 | gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
64 | dnl Define it also as a C macro, for the benefit of the unit tests. | |
65 | gl_MODULE_INDICATOR_FOR_TESTS([$1]) | |
66 | ]) | |
67 | ||
dc6c21da TT |
68 | # Initializes the default values for AC_SUBSTed shell variables. |
69 | # This macro must not be AC_REQUIREd. It must only be invoked, and only | |
70 | # outside of macros or in macros that are not AC_REQUIREd. | |
71 | AC_DEFUN([gl_SYS_STAT_H_REQUIRE_DEFAULTS], | |
72 | [ | |
73 | m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_STAT_H_MODULE_INDICATOR_DEFAULTS], [ | |
74 | gl_UNISTD_H_REQUIRE_DEFAULTS dnl for REPLACE_FCHDIR | |
75 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FCHMODAT]) | |
76 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FSTAT]) | |
77 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FSTATAT]) | |
78 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FUTIMENS]) | |
79 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETUMASK]) | |
80 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LCHMOD]) | |
81 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LSTAT]) | |
82 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKDIR]) | |
83 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKDIRAT]) | |
84 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKFIFO]) | |
85 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKFIFOAT]) | |
86 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKNOD]) | |
87 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKNODAT]) | |
88 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STAT]) | |
89 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_UTIMENSAT]) | |
90 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_OVERRIDES_STRUCT_STAT]) | |
91 | dnl Support Microsoft deprecated alias function names by default. | |
92 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_CHMOD], [1]) | |
93 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_MKDIR], [1]) | |
94 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_UMASK], [1]) | |
95 | ]) | |
96 | m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_STAT_H_MODULE_INDICATOR_DEFAULTS]) | |
97 | AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) | |
98 | ]) | |
99 | ||
09607c9e TT |
100 | AC_DEFUN([gl_SYS_STAT_H_DEFAULTS], |
101 | [ | |
09607c9e TT |
102 | dnl Assume proper GNU behavior unless another module says otherwise. |
103 | HAVE_FCHMODAT=1; AC_SUBST([HAVE_FCHMODAT]) | |
104 | HAVE_FSTATAT=1; AC_SUBST([HAVE_FSTATAT]) | |
105 | HAVE_FUTIMENS=1; AC_SUBST([HAVE_FUTIMENS]) | |
9c9d63b1 | 106 | HAVE_GETUMASK=1; AC_SUBST([HAVE_GETUMASK]) |
09607c9e TT |
107 | HAVE_LCHMOD=1; AC_SUBST([HAVE_LCHMOD]) |
108 | HAVE_LSTAT=1; AC_SUBST([HAVE_LSTAT]) | |
109 | HAVE_MKDIRAT=1; AC_SUBST([HAVE_MKDIRAT]) | |
110 | HAVE_MKFIFO=1; AC_SUBST([HAVE_MKFIFO]) | |
111 | HAVE_MKFIFOAT=1; AC_SUBST([HAVE_MKFIFOAT]) | |
112 | HAVE_MKNOD=1; AC_SUBST([HAVE_MKNOD]) | |
113 | HAVE_MKNODAT=1; AC_SUBST([HAVE_MKNODAT]) | |
114 | HAVE_UTIMENSAT=1; AC_SUBST([HAVE_UTIMENSAT]) | |
5df4cba6 | 115 | REPLACE_FCHMODAT=0; AC_SUBST([REPLACE_FCHMODAT]) |
09607c9e TT |
116 | REPLACE_FSTAT=0; AC_SUBST([REPLACE_FSTAT]) |
117 | REPLACE_FSTATAT=0; AC_SUBST([REPLACE_FSTATAT]) | |
118 | REPLACE_FUTIMENS=0; AC_SUBST([REPLACE_FUTIMENS]) | |
119 | REPLACE_LSTAT=0; AC_SUBST([REPLACE_LSTAT]) | |
120 | REPLACE_MKDIR=0; AC_SUBST([REPLACE_MKDIR]) | |
121 | REPLACE_MKFIFO=0; AC_SUBST([REPLACE_MKFIFO]) | |
9c9d63b1 | 122 | REPLACE_MKFIFOAT=0; AC_SUBST([REPLACE_MKFIFOAT]) |
09607c9e | 123 | REPLACE_MKNOD=0; AC_SUBST([REPLACE_MKNOD]) |
9c9d63b1 | 124 | REPLACE_MKNODAT=0; AC_SUBST([REPLACE_MKNODAT]) |
09607c9e TT |
125 | REPLACE_STAT=0; AC_SUBST([REPLACE_STAT]) |
126 | REPLACE_UTIMENSAT=0; AC_SUBST([REPLACE_UTIMENSAT]) | |
127 | ]) |