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|
XCOMM!/bin/sh
XCOMM
XCOMM $Xorg: mdepend.cpp,v 1.3 2000/08/17 19:41:52 cpqbld Exp $
XCOMM
XCOMM Do the equivalent of the 'makedepend' program, but do it right.
XCOMM
XCOMM Usage:
XCOMM
XCOMM makedepend [cpp-flags] [-w width] [-s magic-string] [-f makefile]
XCOMM [-o object-suffix]
XCOMM
XCOMM Notes:
XCOMM
XCOMM The C compiler used can be overridden with the environment
XCOMM variable "CC".
XCOMM
XCOMM The "-v" switch of the "makedepend" program is not supported.
XCOMM
XCOMM
XCOMM This script should
XCOMM work on both USG and BSD systems. However, when System V.4 comes out,
XCOMM USG users will probably have to change "silent" to "-s" instead of
XCOMM "-" (at least, that is what the documentation implies).
XCOMM
CC=PREPROC
silent='-'
TMP=/tmp/mdep$$
CPPCMD=${TMP}a
DEPENDLINES=${TMP}b
TMPMAKEFILE=${TMP}c
MAGICLINE=${TMP}d
ARGS=${TMP}e
trap "rm -f ${TMP}*; exit 1" 1 2 15
trap "rm -f ${TMP}*; exit 0" 1 2 13
echo " \c" > $CPPCMD
if [ `wc -c < $CPPCMD` -eq 1 ]
then
c="\c"
n=
else
c=
n="-n"
fi
echo $n "$c" >$ARGS
files=
makefile=
magic_string='# DO NOT DELETE'
objsuffix='.o'
width=78
endmarker=""
verbose=n
append=n
while [ $# != 0 ]
do
if [ "$endmarker"x != x ] && [ "$endmarker" = "$1" ]; then
endmarker=""
else
case "$1" in
-D*|-I*)
echo $n " '$1'$c" >> $ARGS
;;
-g|-O) # ignore so we can just pass $(CFLAGS) in
;;
*)
if [ "$endmarker"x = x ]; then
case "$1" in
-w)
width="$2"
shift
;;
-s)
magic_string="$2"
shift
;;
-f*)
if [ "$1" = "-f-" ]; then
makefile="-"
else
makefile="$2"
shift
fi
;;
-o)
objsuffix="$2"
shift
;;
--*)
echo "$1" | sed 's/^\-\-//' >${TMP}end
endmarker="`cat ${TMP}end`"
rm -f ${TMP}end
if [ "$endmarker"x = x ]; then
endmarker="--"
fi
;;
-v)
verbose="y"
;;
-a)
append="y"
;;
-cc)
CC="$2"
shift
;;
-*)
echo "Unknown option '$1' ignored" 1>&2
;;
*)
files="$files $1"
;;
esac
fi
;;
esac
fi
shift
done
echo ' $*' >> $ARGS
echo "#!/bin/sh" > $CPPCMD
echo "exec $CC `cat $ARGS`" >> $CPPCMD
chmod +x $CPPCMD
rm $ARGS
case "$makefile" in
'')
if [ -r makefile ]
then
makefile=makefile
elif [ -r Makefile ]
then
makefile=Makefile
else
echo 'no makefile or Makefile found' 1>&2
exit 1
fi
;;
-)
makefile=$TMPMAKEFILE
;;
esac
if [ "$verbose"x = "y"x ]; then
cat $CPPCMD
fi
echo '' > $DEPENDLINES
for i in $files
do
$CPPCMD $i \
| sed -n "/^#/s;^;$i ;p"
done \
| sed -e 's|/[^/.][^/]*/\.\.||g' -e 's|/\.[^.][^/]*/\.\.||g' \
-e 's|"||g' -e 's| \./| |' \
| awk '{
if ($1 != $4 && $2 != "#ident" && $2 != "#pragma")
{
ofile = substr ($1, 1, length ($1) - 2) "'"$objsuffix"'"
print ofile, $4
}
}' \
| sort -u \
| awk '
{
newrec = rec " " $2
if ($1 != old1)
{
old1 = $1
if (rec != "")
print rec
rec = $1 ": " $2
}
else if (length (newrec) > '"$width"')
{
print rec
rec = $1 ": " $2
}
else
rec = newrec
}
END \
{
if (rec != "")
print rec
}' \
| egrep -v '^[^:]*:[ ]*$' >> $DEPENDLINES
trap "" 1 2 13 15 # Now we are committed
case "$makefile" in
$TMPMAKEFILE)
;;
*)
rm -f $makefile.bak
cp $makefile $makefile.bak
echo "Appending dependencies to $makefile"
;;
esac
XCOMM
XCOMM If not -a, append the magic string and a blank line so that
XCOMM /^$magic_string/+1,\$d can be used to delete everything from after
XCOMM the magic string to the end of the file. Then, append a blank
XCOMM line again and then the dependencies.
XCOMM
if [ "$append" = "n" ]
then
cat >> $makefile << END_OF_APPEND
$magic_string
END_OF_APPEND
ed $silent $makefile << END_OF_ED_SCRIPT
/^$magic_string/+1,\$d
w
q
END_OF_ED_SCRIPT
echo '' >>$makefile
fi
cat $DEPENDLINES >>$makefile
case "$makefile" in
$TMPMAKEFILE)
cat $TMPMAKEFILE
;;
esac
rm -f ${TMP}*
exit 0
|
