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#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26
27#
28# Generate a c++config.h that will include the correct multilib c++config.h
29#
30# mkcxxconfig_h.sh [[<arch> <define>] ...] <arch>
31#
32#   generates a series of #ifdef 's with the final <arch> being the default
33#
34
35emit_intro() {
36	cat <<'__EOH1__'
37/*	$NetBSD: mkcxxconfig_h.sh,v 1.8 2021/12/11 19:24:19 mrg Exp $	*/
38
39/* 	This file is automatically generated.  DO NOT EDIT!	 */
40__EOH1__
41
42	netbsd_id=$(echo '$NetBSD: mkcxxconfig_h.sh,v 1.8 2021/12/11 19:24:19 mrg Exp $' | sed 's,[#$],,g;s,.*,&,')
43	cat <<__EOH2__
44/* 	Generated from: $netbsd_id	 */
45
46__EOH2__
47}
48
49emit_final() {
50	echo "#endif"
51}
52
53# $1 - arch to include
54emit_include() {
55	echo "#include "'"'"bits/$1/c++config.h"'"'
56}
57
58# $1 - define to ifdef
59ifdef=ifdef
60emit_ifdef() {
61	echo "#$ifdef $1"
62	ifdef="elif"
63}
64
65main() {
66	emit_intro
67	while [ $# -gt 0 ]; do
68		if [ $# -eq 1 ]; then
69			echo '#else'
70			emit_include $1
71			break
72		fi
73		emit_ifdef $2
74		emit_include $1
75		shift
76		shift
77	done
78	emit_final
79}
80
81main "$@"
82