1# sys_types_h.m4 serial 13 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 34# Initializes the default values for AC_SUBSTed shell variables. 35# This macro must not be AC_REQUIREd. It must only be invoked, and only 36# outside of macros or in macros that are not AC_REQUIREd. 37AC_DEFUN([gl_SYS_TYPES_H_REQUIRE_DEFAULTS], 38[ 39 m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_TYPE_H_MODULE_INDICATOR_DEFAULTS], [ 40 ]) 41 m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_TYPE_H_MODULE_INDICATOR_DEFAULTS]) 42 AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS]) 43]) 44 45AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS], 46[ 47]) 48 49# This works around a buggy version in autoconf <= 2.69. 50# See <https://lists.gnu.org/r/autoconf/2016-08/msg00014.html> 51# The 2.70 version isn't quoted properly, so override it too. 52 53m4_version_prereq([2.70.1], [], [ 54 55m4_undefine([AC_HEADER_MAJOR]) 56AC_DEFUN([AC_HEADER_MAJOR], 57[AC_CHECK_HEADERS_ONCE([sys/types.h]) 58AC_CHECK_HEADER([sys/mkdev.h], 59 [AC_DEFINE([MAJOR_IN_MKDEV], [1], 60 [Define to 1 if `major', `minor', and `makedev' are 61 declared in <mkdev.h>.])]) 62if test $ac_cv_header_sys_mkdev_h = no; then 63 AC_CHECK_HEADER([sys/sysmacros.h], 64 [AC_DEFINE([MAJOR_IN_SYSMACROS], [1], 65 [Define to 1 if `major', `minor', and `makedev' 66 are declared in <sysmacros.h>.])]) 67fi 68])# AC_HEADER_MAJOR 69 70]) 71