cpp.sh revision 1.7 
1#!/bin/sh
2#	$OpenBSD: cpp.sh,v 1.7 2004/02/10 02:02:22 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. 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
43TRAD=-traditional
44DGNUC="-D__GNUC__"
45STDINC="-I/usr/include"
46DOLLAR="@dollaropt@"
47OPTS=""
48INCS="-nostdinc"
49FOUNDFILES=false
50
51CPP=/usr/libexec/cpp
52if [ ! -x $CPP ]; then
53	CPP=`cc -print-search-dirs | sed -ne '/^install: /s/install: \(.*\)/\1cpp/p'`;
54	if [ ! -x $CPP ]; then
55		echo "$0: installation problem: $CPP not found/executable" >&2
56		exit 1
57	fi
58fi
59
60while [ $# -gt 0 ]
61do
62	A="$1"
63	shift
64
65	case $A in
66	-nostdinc)
67		STDINC=
68		;;
69	-traditional)
70		TRAD=-traditional
71		;;
72	-notraditional)
73		TRAD=
74		;;
75	-I*)
76		INCS="$INCS $A"
77		;;
78	-U__GNUC__)
79		DGNUC=
80		;;
81	-imacros|-include|-idirafter|-iprefix|-iwithprefix)
82		INCS="$INCS '$A' '$1'"
83		shift
84		;;
85	-*)
86		OPTS="$OPTS '$A'"
87		;;
88	*)
89		FOUNDFILES=true
90		eval $CPP $TRAD $DGNUC $DOLLAR $INCS $STDINC $OPTS $A || exit $?
91		;;
92	esac
93done
94
95if ! $FOUNDFILES
96then
97	# read standard input
98	eval exec $CPP $TRAD $DGNUC $DOLLAR $INCS $STDINC $OPTS
99fi
100
101exit 0
102