1# sys_types_h.m4 serial 12
2dnl Copyright (C) 2011-2021 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
7AC_DEFUN_ONCE([gl_SYS_TYPES_H],
8[
9  AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS])
10
11  dnl Use sane struct stat types in OpenVMS 8.2 and later.
12  AC_DEFINE([_USE_STD_STAT], 1, [For standard stat data types on VMS.])
13
14  gl_NEXT_HEADERS([sys/types.h])
15
16  dnl Ensure the type pid_t gets defined.
17  AC_REQUIRE([AC_TYPE_PID_T])
18
19  dnl Ensure the type mode_t gets defined.
20  AC_REQUIRE([AC_TYPE_MODE_T])
21
22  dnl Whether to override the 'off_t' type.
23  AC_REQUIRE([gl_TYPE_OFF_T])
24
25  dnl Whether to override the 'dev_t' and 'ino_t' types.
26  m4_ifdef([gl_WINDOWS_STAT_INODES], [
27    AC_REQUIRE([gl_WINDOWS_STAT_INODES])
28  ], [
29    WINDOWS_STAT_INODES=0
30  ])
31  AC_SUBST([WINDOWS_STAT_INODES])
32])
33
34AC_DEFUN([gl_SYS_TYPES_H_REQUIRE_DEFAULTS],
35[
36  m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_TYPE_H_MODULE_INDICATOR_DEFAULTS], [
37  ])
38  m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_TYPE_H_MODULE_INDICATOR_DEFAULTS])
39  AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS])
40])
41
42AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS],
43[
44])
45
46# This works around a buggy version in autoconf <= 2.69.
47# See <https://lists.gnu.org/r/autoconf/2016-08/msg00014.html>
48# The 2.70 version isn't quoted properly, so override it too.
49
50m4_version_prereq([2.70.1], [], [
51
52m4_undefine([AC_HEADER_MAJOR])
53AC_DEFUN([AC_HEADER_MAJOR],
54[AC_CHECK_HEADERS_ONCE([sys/types.h])
55AC_CHECK_HEADER([sys/mkdev.h],
56                [AC_DEFINE([MAJOR_IN_MKDEV], [1],
57                           [Define to 1 if `major', `minor', and `makedev' are
58                            declared in <mkdev.h>.])])
59if test $ac_cv_header_sys_mkdev_h = no; then
60  AC_CHECK_HEADER([sys/sysmacros.h],
61                  [AC_DEFINE([MAJOR_IN_SYSMACROS], [1],
62                             [Define to 1 if `major', `minor', and `makedev'
63                              are declared in <sysmacros.h>.])])
64fi
65])# AC_HEADER_MAJOR
66
67])
68