1 # sys_types_h.m4 serial 12
2 dnl Copyright (C) 2011-2021 Free Software Foundation, Inc.
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.
7 AC_DEFUN_ONCE([gl_SYS_TYPES_H],
9 AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS])
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.])
14 gl_NEXT_HEADERS([sys/types.h])
16 dnl Ensure the type pid_t gets defined.
17 AC_REQUIRE([AC_TYPE_PID_T])
19 dnl Ensure the type mode_t gets defined.
20 AC_REQUIRE([AC_TYPE_MODE_T])
22 dnl Whether to override the 'off_t' type.
23 AC_REQUIRE([gl_TYPE_OFF_T])
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])
31 AC_SUBST([WINDOWS_STAT_INODES])
34 AC_DEFUN([gl_SYS_TYPES_H_REQUIRE_DEFAULTS],
36 m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_TYPE_H_MODULE_INDICATOR_DEFAULTS], [
38 m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_TYPE_H_MODULE_INDICATOR_DEFAULTS])
39 AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS])
42 AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS],
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.
50 m4_version_prereq([2.70.1], [], [
52 m4_undefine([AC_HEADER_MAJOR])
53 AC_DEFUN([AC_HEADER_MAJOR],
54 [AC_CHECK_HEADERS_ONCE([sys/types.h])
55 AC_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>.])])
59 if 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>.])])