BSD 4_3_Net_1 release

[unix-history] / mkdep / mkdep.old.compiler

#!/bin/sh -
#
# Copyright (c) 1988 The Regents of the University of California.
# All rights reserved.
#
# Redistribution and use in source and binary forms are permitted
# provided that the above copyright notice and this paragraph are
# duplicated in all such forms and that any documentation,
# advertising materials, and other materials related to such
# distribution and use acknowledge that the software was developed
# by the University of California, Berkeley.  The name of the
# University may not be used to endorse or promote products derived
# from this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
#       @(#)mkdep.sh.old.compiler       5.2 (Berkeley) 10/24/88
#

# This is a version of mkdep that works pretty well
# with compilers that don't have -M.

PATH=/bin:/usr/bin:/usr/ucb:/lib:/usr/lib

INCL=
D=.depend
append=0

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)
                       SED='s;\.o;;'
                       shift ;;
               *)
                       break ;;
       esac
done

if [ $# = 0 ] ; then
       echo 'usage: mkdep [-f depend_file] [cc_flags] file ...'
       exit 1
fi

TMP=/tmp/mkdep$$
trap 'rm -f $TMP ; exit 1' 1 2 3 13 15

for i do
       case "$i" in
       -c|-M)
               ;;
       -I*)
               INCL="$INCL $i";;
       -D*|-O|-U*)
               FLAGS="$FLAGS $i";;
       *)
               # assume source file
               # put '$dep' in front of dependencies
               dep=`echo "$i" | sed -e 's,/,\\\\/,g' -e 's/\.c$/.o/'`

               # Find includes, remove leading numerics, remove ./,
               # remove double quotes, and remove trailing numerics.
               # Sort that, discarding duplicates, and add '$dep'.
               cpp $INCL $FLAGS "$i" | sed -e '
                       /^#/!d
                       s/# [0-9]* //
                       s,"./,",
                       s/"\(.*\)"/\1/
                       s/ [ 0-9]*$//' |
               sort -u | sed -e "s/^/$dep: /";;
       esac
done |
sed "
       s; \./; ;g
       /\.c:$/d
       $SED" |
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

if [ $append = 1 ]; then
       cat $TMP >> $D
       rm -f $TMP
else
       mv $TMP $D
fi
exit 0