cpp.sh revision 1.5 
1#!/bin/sh
2#	$OpenBSD: cpp.sh,v 1.5 1999/06/17 23:27:17 espie Exp $
3
4#
5# Copyright (c) 1990 The Regents of the University of California.
6# All rights reserved.
7#
8# This code is derived from software contributed to Berkeley by
9# the Systems Programming Group of the University of Utah Computer
10# Science Department.
11#
12# Redistribution and use in source and binary forms, with or without
13# modification, are permitted provided that the following conditions
14# are met:
15# 1. Redistributions of source code must retain the above copyright
16#    notice, this list of conditions and the following disclaimer.
17# 2. Redistributions in binary form must reproduce the above copyright
18#    notice, this list of conditions and the following disclaimer in the
19#    documentation and/or other materials provided with the distribution.
20# 3. All advertising materials mentioning features or use of this software
21#    must display the following acknowledgement:
22#	This product includes software developed by the University of
23#	California, Berkeley and its contributors.
24# 4. Neither the name of the University nor the names of its contributors
25#    may be used to endorse or promote products derived from this software
26#    without specific prior written permission.
27#
28# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38# SUCH DAMAGE.
39#
40#	@(#)usr.bin.cpp.sh	6.5 (Berkeley) 4/1/91
41#
42# Transitional front end to CCCP to make it behave like (Reiser) CCP:
43#	specifies -traditional
44#	doesn't search gcc-include
45#
46PATH=/usr/bin:/bin
47ALST="-traditional -$ -D__GNUC__"
48NSI=no
49OPTS=""
50INCS="-nostdinc"
51FOUNDFILES=no
52
53CPP=/usr/libexec/cpp
54if [ ! -x $CPP ]; then
55	CPP=`cc -print-search-dirs | sed -ne '/^install: /s/install: \(.*\)/\1cpp/p'`;
56	if [ ! -x $CPP ]; then
57		echo "$0: installation problem: $CPP not found/executable" >&2
58		exit 1
59	fi
60fi
61
62while [ $# -gt 0 ]
63do
64	A="$1"
65	shift
66
67	case $A in
68	-nostdinc)
69		NSI=yes
70		;;
71	-traditional)
72		;;
73	-I*)
74		INCS="$INCS $A"
75		;;
76	-U__GNUC__)
77		ALST=`echo $ALST | sed -e s/-D__GNUC__//`
78		;;
79	-imacros|-include|-idirafter|-iprefix|-iwithprefix)
80		INCS="$INCS '$A' '$1'"
81		shift
82		;;
83	-*)
84		OPTS="$OPTS '$A'"
85		;;
86	*)
87		FOUNDFILES=yes
88		if [ $NSI = "no" ]
89		then
90			INCS="$INCS -I/usr/include"
91			NSI=skip
92		fi
93		eval $CPP $ALST $INCS $OPTS $A || exit $?
94		;;
95	esac
96done
97
98if [ $FOUNDFILES = "no" ]
99then
100	# read standard input
101	if [ $NSI = "no" ]
102	then
103		INCS="$INCS -I/usr/include"
104	fi
105	eval exec $CPP $ALST $INCS $OPTS
106fi
107
108exit 0
109