File: [local] / src / usr.bin / mkdep / mkdep.gcc.sh (download)
Revision 1.16, Wed Aug 29 16:51:12 2012 UTC (11 years, 9 months ago) by guenther
Branch: MAIN
Changes since 1.15: +14 -10 lines
Test the exit status of the compiler by pulling it out the pipeline, so
that mkdep can fail if the compiler does.
Patch from Gerhard Roth (Gerhard_Roth at genua.de)
ok halex@
|
#!/bin/sh -
#
# $OpenBSD: mkdep.gcc.sh,v 1.16 2012/08/29 16:51:12 guenther Exp $
# $NetBSD: mkdep.gcc.sh,v 1.9 1994/12/23 07:34:59 jtc Exp $
#
# Copyright (c) 1991, 1993
# The Regents of the University of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# @(#)mkdep.gcc.sh 8.1 (Berkeley) 6/6/93
#
#
# Scan for a -o option in the arguments and record the filename given.
# This is needed, since "cc -M -o out" writes to the file "out", not to
# stdout.
#
scanfordasho() {
while [ $# != 0 ]
do case "$1" in
-o)
file="$2"; shift; shift ;;
-o*)
file="${1#-o}"; shift ;;
*)
shift ;;
esac
done
}
D=.depend # default dependency file is .depend
append=0
pflag=
while :
do case "$1" in
# -a appends to the depend file
-a)
append=1
shift ;;
# -f allows you to select a makefile name
-f)
D=$2
shift; shift ;;
# the -p flag produces "program: program.c" style dependencies
# so .o's don't get produced
-p)
pflag=p
shift ;;
*)
break ;;
esac
done
if [ $# = 0 ] ; then
echo 'usage: mkdep [-ap] [-f file] [flags] file ...'
exit 1
fi
scanfordasho "$@"
TMP=`mktemp /tmp/mkdep.XXXXXXXXXX` || exit 1
trap 'rm -f $TMP ; trap 2 ; kill -2 $$' 1 2 3 13 15
if [ "x$file" = x ]; then
${CC:-cc} -M "$@" > $TMP
else
${CC:-cc} -M "$@" && cat -- "$file" > $TMP
fi
if [ $? != 0 ]; then
echo 'mkdep: compile failed.'
rm -f $TMP
exit 1
fi
postproc() {
in=$1
if [ x$pflag = x ]; then
sed -e 's; \./; ;g' $in
else
sed -e 's;\.o[ ]*:; :;' -e 's; \./; ;g' $in
fi
}
if [ $append = 1 ]; then
postproc $TMP >> $D
if [ $? != 0 ]; then
echo 'mkdep: append failed.'
rm -f $TMP
exit 1
fi
else
postprocd $TMP > $D
if [ $? != 0 ]; then
echo 'mkdep: rename failed.'
rm -f $TMP
exit 1
fi
fi
rm -f $TMP
exit 0