1# sys_types_h.m4 serial 9 2dnl Copyright (C) 2011-2020 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 dnl Use sane struct stat types in OpenVMS 8.2 and later. 10 AC_DEFINE([_USE_STD_STAT], 1, [For standard stat data types on VMS.]) 11 12 AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS]) 13 gl_NEXT_HEADERS([sys/types.h]) 14 15 dnl Ensure the type pid_t gets defined. 16 AC_REQUIRE([AC_TYPE_PID_T]) 17 18 dnl Ensure the type mode_t gets defined. 19 AC_REQUIRE([AC_TYPE_MODE_T]) 20 21 dnl Whether to override the 'off_t' type. 22 AC_REQUIRE([gl_TYPE_OFF_T]) 23 24 dnl Whether to override the 'dev_t' and 'ino_t' types. 25 m4_ifdef([gl_WINDOWS_STAT_INODES], [ 26 AC_REQUIRE([gl_WINDOWS_STAT_INODES]) 27 ], [ 28 WINDOWS_STAT_INODES=0 29 ]) 30 AC_SUBST([WINDOWS_STAT_INODES]) 31]) 32 33AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS], 34[ 35]) 36 37# This works around a buggy version in autoconf <= 2.69. 38# See <https://lists.gnu.org/r/autoconf/2016-08/msg00014.html> 39 40m4_version_prereq([2.70], [], [ 41 42# This is taken from the following Autoconf patch: 43# https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=e17a30e987d7ee695fb4294a82d987ec3dc9b974 44 45m4_undefine([AC_HEADER_MAJOR]) 46AC_DEFUN([AC_HEADER_MAJOR], 47[AC_CHECK_HEADERS_ONCE([sys/types.h]) 48AC_CHECK_HEADER([sys/mkdev.h], 49 [AC_DEFINE([MAJOR_IN_MKDEV], [1], 50 [Define to 1 if `major', `minor', and `makedev' are declared in 51 <mkdev.h>.])]) 52if test $ac_cv_header_sys_mkdev_h = no; then 53 AC_CHECK_HEADER([sys/sysmacros.h], 54 [AC_DEFINE([MAJOR_IN_SYSMACROS], [1], 55 [Define to 1 if `major', `minor', and `makedev' are declared in 56 <sysmacros.h>.])]) 57fi 58]) 59 60]) 61