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1 | # sys_types_h.m4 serial 6 |
2 | dnl Copyright (C) 2011-2016 Free Software Foundation, Inc. | |
8839a007 PA |
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. | |
6 | ||
4a626d0a | 7 | AC_DEFUN_ONCE([gl_SYS_TYPES_H], |
8839a007 PA |
8 | [ |
9 | AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS]) | |
10 | gl_NEXT_HEADERS([sys/types.h]) | |
11 | ||
12 | dnl Ensure the type pid_t gets defined. | |
13 | AC_REQUIRE([AC_TYPE_PID_T]) | |
14 | ||
15 | dnl Ensure the type mode_t gets defined. | |
16 | AC_REQUIRE([AC_TYPE_MODE_T]) | |
17 | ||
18 | dnl Whether to override the 'off_t' type. | |
19 | AC_REQUIRE([gl_TYPE_OFF_T]) | |
20 | ]) | |
21 | ||
22 | AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS], | |
23 | [ | |
24 | ]) | |
49e4877c PA |
25 | |
26 | # This works around a buggy version in autoconf <= 2.69. | |
27 | # See <https://lists.gnu.org/archive/html/autoconf/2016-08/msg00014.html> | |
28 | ||
29 | m4_version_prereq([2.70], [], [ | |
30 | ||
31 | # This is taken from the following Autoconf patch: | |
32 | # http://git.sv.gnu.org/cgit/autoconf.git/commit/?id=e17a30e98 | |
33 | ||
34 | m4_undefine([AC_HEADER_MAJOR]) | |
35 | AC_DEFUN([AC_HEADER_MAJOR], | |
36 | [AC_CHECK_HEADERS_ONCE([sys/types.h]) | |
37 | AC_CHECK_HEADER([sys/mkdev.h], | |
38 | [AC_DEFINE([MAJOR_IN_MKDEV], [1], | |
39 | [Define to 1 if `major', `minor', and `makedev' are declared in | |
40 | <mkdev.h>.])]) | |
41 | if test $ac_cv_header_sys_mkdev_h = no; then | |
42 | AC_CHECK_HEADER([sys/sysmacros.h], | |
43 | [AC_DEFINE([MAJOR_IN_SYSMACROS], [1], | |
44 | [Define to 1 if `major', `minor', and `makedev' are declared in | |
45 | <sysmacros.h>.])]) | |
46 | fi | |
47 | ]) | |
48 | ||
49 | ]) |