mkcxxconfig_h.sh revision 1.4
1#! /bin/sh
2#
3# Copyright (c) 2013 Matthew R. Green
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14# 3. The name of the author may not be used to endorse or promote products
15#    derived from this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27# SUCH DAMAGE.
28
29#
30# Generate a c++config.h that will include the correct multilib c++config.h
31#
32# mkcxxconfig_h.sh [[<arch> <define>] ...] <arch>
33#
34#   generates a series of #ifdef 's with the final <arch> being the default
35#
36
37emit_intro() {
38	cat <<'__EOH1__'
39/*	$NetBSD: mkcxxconfig_h.sh,v 1.4 2018/11/11 22:50:03 mrg Exp $	*/
40
41/* 	This file is automatically generated.  DO NOT EDIT!	 */
42__EOH1__
43
44	netbsd_id=$(echo '$NetBSD: mkcxxconfig_h.sh,v 1.4 2018/11/11 22:50:03 mrg Exp $' | sed 's,[#$],,g;s,.*,&,')
45	cat <<__EOH2__
46/* 	Generated from: $netbsd_id	 */
47
48__EOH2__
49}
50
51emit_final() {
52	echo "#endif"
53}
54
55# $1 - arch to include
56emit_include() {
57	echo "#include "'"'"bits/$1/c++config.h"'"'
58}
59
60# $1 - define to ifdef
61ifdef=ifdef
62emit_ifdef() {
63	echo "#$ifdef $1"
64	ifdef="elif"
65}
66
67main() {
68	emit_intro
69	while [ $# -gt 0 ]; do
70		if [ $# -eq 1 ]; then
71			echo '#else'
72			emit_include $1
73			break
74		fi
75		emit_ifdef $2
76		emit_include $1
77		shift
78		shift
79	done
80	emit_final
81}
82
83main "$@"
84