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113 lines
3.2 KiB
Bash
113 lines
3.2 KiB
Bash
#!/bin/ksh
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# $OpenBSD: cpp.sh,v 1.10 2019/09/28 17:30:07 ajacoutot Exp $
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#
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# Copyright (c) 1990 The Regents of the University of California.
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# All rights reserved.
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#
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# This code is derived from software contributed to Berkeley by
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# the Systems Programming Group of the University of Utah Computer
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# Science Department.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# @(#)usr.bin.cpp.sh 6.5 (Berkeley) 4/1/91
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#
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# Transitional front end to CCCP to make it behave like (Reiser) CCP:
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# specifies -traditional
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# doesn't search gcc-include
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#
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PATH=/usr/bin:/bin:/usr/sbin:/sbin
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TRAD=-traditional
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DGNUC="@GNUC@"
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STDINC="-I/usr/include"
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set -A OPTS
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set -A INCS -- "-nostdinc"
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FOUNDFILES=false
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CPP=/usr/libexec/cpp
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if [ ! -x $CPP ]; then
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CPP=`cc -print-search-dirs | sed -ne '/^install: /s/install: \(.*\)/\1cpp/p'`;
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if [ ! -x $CPP ]; then
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echo "$0: installation problem: $CPP not found/executable" >&2
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exit 1
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fi
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fi
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while [ $# -gt 0 ]
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do
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A="$1"
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shift
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case $A in
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-nostdinc)
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STDINC=
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;;
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-traditional)
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TRAD=-traditional
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;;
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-notraditional)
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TRAD=
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;;
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# options that take an argument and that should be sorted before
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# the $STDINC option
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-I | -imacros | -include | -idirafter | -iprefix | -iwithprefix | \
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-iwithprefixbefore | -isysroot | -imultilib | -isystem | -iquote)
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INCS[${#INCS[@]}]=$A
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INCS[${#INCS[@]}]=$1
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shift
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;;
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-I*)
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INCS[${#INCS[@]}]=$A
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;;
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# other options that take an argument
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-MF | -MT | -MQ | -x | -D | -U | -o | -A)
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OPTS[${#OPTS[@]}]=$A
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OPTS[${#OPTS[@]}]=$1
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shift
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;;
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-U__GNUC__)
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DGNUC=
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OPTS[${#OPTS[@]}]=$A
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;;
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-*)
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OPTS[${#OPTS[@]}]=$A
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;;
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*)
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FOUNDFILES=true
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$CPP $TRAD $DGNUC "${INCS[@]}" $STDINC "${OPTS[@]}" "$A" ||
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exit
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;;
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esac
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done
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if ! $FOUNDFILES
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then
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# read standard input
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exec $CPP $TRAD $DGNUC "${INCS[@]}" $STDINC "${OPTS[@]}"
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fi
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exit 0
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