| 1 | # sys_types_h.m4 serial 13
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| 2 | dnl Copyright (C) 2011-2021 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN_ONCE([gl_SYS_TYPES_H],
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| 8 | [
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| 9 | AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS])
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| 10 |
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| 11 | dnl Use sane struct stat types in OpenVMS 8.2 and later.
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| 12 | AC_DEFINE([_USE_STD_STAT], 1, [For standard stat data types on VMS.])
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| 13 |
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| 14 | gl_NEXT_HEADERS([sys/types.h])
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| 15 |
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| 16 | dnl Ensure the type pid_t gets defined.
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| 17 | AC_REQUIRE([AC_TYPE_PID_T])
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| 18 |
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| 19 | dnl Ensure the type mode_t gets defined.
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| 20 | AC_REQUIRE([AC_TYPE_MODE_T])
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| 21 |
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| 22 | dnl Whether to override the 'off_t' type.
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| 23 | AC_REQUIRE([gl_TYPE_OFF_T])
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| 24 |
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| 25 | dnl Whether to override the 'dev_t' and 'ino_t' types.
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| 26 | m4_ifdef([gl_WINDOWS_STAT_INODES], [
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| 27 | AC_REQUIRE([gl_WINDOWS_STAT_INODES])
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| 28 | ], [
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| 29 | WINDOWS_STAT_INODES=0
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| 30 | ])
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| 31 | AC_SUBST([WINDOWS_STAT_INODES])
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| 32 | ])
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| 33 |
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| 34 | # Initializes the default values for AC_SUBSTed shell variables.
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| 35 | # This macro must not be AC_REQUIREd. It must only be invoked, and only
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| 36 | # outside of macros or in macros that are not AC_REQUIREd.
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| 37 | AC_DEFUN([gl_SYS_TYPES_H_REQUIRE_DEFAULTS],
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| 38 | [
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| 39 | m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_TYPE_H_MODULE_INDICATOR_DEFAULTS], [
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| 40 | ])
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| 41 | m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_TYPE_H_MODULE_INDICATOR_DEFAULTS])
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| 42 | AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS])
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| 43 | ])
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| 44 |
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| 45 | AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS],
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| 46 | [
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| 47 | ])
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| 48 |
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| 49 | # This works around a buggy version in autoconf <= 2.69.
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| 50 | # See <https://lists.gnu.org/r/autoconf/2016-08/msg00014.html>
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| 51 | # The 2.70 version isn't quoted properly, so override it too.
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| 52 |
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| 53 | m4_version_prereq([2.70.1], [], [
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| 54 |
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| 55 | m4_undefine([AC_HEADER_MAJOR])
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| 56 | AC_DEFUN([AC_HEADER_MAJOR],
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| 57 | [AC_CHECK_HEADERS_ONCE([sys/types.h])
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| 58 | AC_CHECK_HEADER([sys/mkdev.h],
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| 59 | [AC_DEFINE([MAJOR_IN_MKDEV], [1],
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| 60 | [Define to 1 if `major', `minor', and `makedev' are
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| 61 | declared in <mkdev.h>.])])
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| 62 | if test $ac_cv_header_sys_mkdev_h = no; then
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| 63 | AC_CHECK_HEADER([sys/sysmacros.h],
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| 64 | [AC_DEFINE([MAJOR_IN_SYSMACROS], [1],
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| 65 | [Define to 1 if `major', `minor', and `makedev'
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| 66 | are declared in <sysmacros.h>.])])
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| 67 | fi
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| 68 | ])# AC_HEADER_MAJOR
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| 69 |
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| 70 | ])
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