xref: /freebsd/include/mk-osreldate.sh (revision 2e3f49888ec8851bafb22011533217487764fdb0)
1#!/bin/sh -
2# SPDX-License-Identifier: BSD-2-Clause
3#
4# Copyright (c) 2013 Garrett Cooper
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28
29set -e
30
31CURDIR=$(pwd)
32ECHO=${ECHO:=echo}
33
34tmpfile=$(mktemp osreldate.XXXXXXXX)
35trap "rm -f $tmpfile" EXIT
36
37${ECHO} creating osreldate.h from newvers.sh
38
39set +e
40COPYRIGHT=$(sh ${NEWVERS_SH:=$CURDIR/../sys/conf/newvers.sh} -c) || exit 1
41eval $(sh ${NEWVERS_SH} -V RELDATE) || exit 1
42set -e
43cat > $tmpfile <<EOF
44$COPYRIGHT
45#ifdef _KERNEL
46#error "<osreldate.h> cannot be used in the kernel, use <sys/param.h>"
47#else
48#undef __FreeBSD_version
49#define __FreeBSD_version $RELDATE
50#endif
51EOF
52chmod 644 $tmpfile
53mv -f $tmpfile osreldate.h
54