cpp.sh revision 1.6 
1#!/bin/sh
2#	$OpenBSD: cpp.sh,v 1.6 2003/06/03 02:56:07 millert 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. Neither the name of the University nor the names of its contributors
21#    may be used to endorse or promote products derived from this software
22#    without specific prior written permission.
23#
24# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34# SUCH DAMAGE.
35#
36#	@(#)usr.bin.cpp.sh	6.5 (Berkeley) 4/1/91
37#
38# Transitional front end to CCCP to make it behave like (Reiser) CCP:
39#	specifies -traditional
40#	doesn't search gcc-include
41#
42PATH=/usr/bin:/bin
43ALST="-traditional -$ -D__GNUC__"
44NSI=no
45OPTS=""
46INCS="-nostdinc"
47FOUNDFILES=no
48
49CPP=/usr/libexec/cpp
50if [ ! -x $CPP ]; then
51	CPP=`cc -print-search-dirs | sed -ne '/^install: /s/install: \(.*\)/\1cpp/p'`;
52	if [ ! -x $CPP ]; then
53		echo "$0: installation problem: $CPP not found/executable" >&2
54		exit 1
55	fi
56fi
57
58while [ $# -gt 0 ]
59do
60	A="$1"
61	shift
62
63	case $A in
64	-nostdinc)
65		NSI=yes
66		;;
67	-traditional)
68		;;
69	-I*)
70		INCS="$INCS $A"
71		;;
72	-U__GNUC__)
73		ALST=`echo $ALST | sed -e s/-D__GNUC__//`
74		;;
75	-imacros|-include|-idirafter|-iprefix|-iwithprefix)
76		INCS="$INCS '$A' '$1'"
77		shift
78		;;
79	-*)
80		OPTS="$OPTS '$A'"
81		;;
82	*)
83		FOUNDFILES=yes
84		if [ $NSI = "no" ]
85		then
86			INCS="$INCS -I/usr/include"
87			NSI=skip
88		fi
89		eval $CPP $ALST $INCS $OPTS $A || exit $?
90		;;
91	esac
92done
93
94if [ $FOUNDFILES = "no" ]
95then
96	# read standard input
97	if [ $NSI = "no" ]
98	then
99		INCS="$INCS -I/usr/include"
100	fi
101	eval exec $CPP $ALST $INCS $OPTS
102fi
103
104exit 0
105