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|
#! /bin/sh
# This utility is a lightly editted version of the freed Berkeley
# script `mkdep'. The current script is intended to work for GNU G++.
# Here is the original BSD header:
# @(#)mkdep.sh 1.7 (Berkeley) 10/13/87
#
PATH=/bin:/usr/bin:/usr/ucb:/usr/gnu:/usr/gnu/bin:/opt/gnu/bin:/pkg/gnu/bin:$PATH
export PATH
if [ $# = 0 ] ; then
echo 'usage: g++dep [-p] [-f makefile] [flags] file ...'
exit 1
fi
MAKE=Makefile # default makefile name is "Makefile"
case $1 in
# -f allows you to select a makefile name
-f)
MAKE=$2
shift; shift ;;
# the -p flag produces "program: program.c" style dependencies
# so .o's don't get produced
-p)
SED='-e s;\.o;;'
shift ;;
# -r allows the use of relative pathnames...
-r)
REL="-e s;$WRAPPER_ROOT;\$(WRAPPER_ROOT);g"
shift ;;
esac
if [ ! -w $MAKE ]; then
echo "g++dep: no writeable file \"$MAKE\""
exit 1
fi
TMP=/tmp/g++dep$$
trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
cp $MAKE ${MAKE}.bak
sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
cat << _EOF_ >> $TMP
# DO NOT DELETE THIS LINE -- g++dep uses it.
# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
_EOF_
gcc -MM $* | /bin/sed -e "s; \./; ;g" $SED $REL | \
awk ' { \
if ($1 != prev) { \
if (rec != "") \
print rec; rec = $0; prev = $1; \
} \
else { \
if (length(rec $2) > 78) { \
print rec; rec = $0; \
} else \
rec = rec " " $2 \
} \
} \
END { \
print rec \
} ' >> $TMP
cat << _EOF_ >> $TMP
# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
_EOF_
# copy to preserve permissions
cp $TMP $MAKE
rm -f ${MAKE}.bak $TMP
exit 0
|
