#!/bin/sh
# $Header: makedepend.SH,v 4.3.1.2 85/05/13 15:53:42 lwall Exp $
#
# $Log:	makedepend.SH,v $
# Revision 4.3.1.2  85/05/13  15:53:42  lwall
# Made cpp look in /usr/local/include too.
# 
# Revision 4.3.1.1  85/05/10  11:35:10  lwall
# Branch for patches.
# 
# Revision 4.3  85/05/01  11:42:26  lwall
# Baseline for release with 4.3bsd.
# 

export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0; kill $$)

cat /dev/null >.deptmp
echo "(Note: this is going to take a while.)"
rm -f X*.c
for file in *.c; do
    filebase=`basename $file .c`
    echo "Finding dependencies for $filebase.o."
    sed -n <$file >X$file \
	-e "/^${filebase}_init(/q" \
	-e '/^#/{' \
	-e 's|/\*.*$||' \
	-e p \
	-e '}'
    cc -E -I/usr/local/include X$file | sed  \
	-e '/^# *[0-9]/!d' \
	-e 's/^.*"\(.*\)".*$/'$filebase'.o: \1/' \
	-e 's|: \./|: |' \
	-e 's|: X|: |' | \
	uniq | sort | uniq >> .deptmp
done

for file in *.SH; do
    echo `basename $file .SH`: $file config.sh \; /bin/sh $file >> .deptmp
done

sed <Makefile >Makefile.new -e '1,/^# AUTOMATICALLY/!d'

if /bin/test -s .deptmp; then
    echo "Updating Makefile..."
    echo "# If this runs make out of memory, delete /usr/include lines." >>Makefile.new
    cat .deptmp >>Makefile.new
else
    echo "You don't seem to have a proper C preprocessor.  Using grep instead."
    /usr/bin/egrep '^#include ' *.c *.h >.deptmp
    echo "Updating Makefile..."
    <.deptmp sed -n 's|c:#include "\(.*\)".*$$|o: \1|p' >> Makefile.new
    <.deptmp sed -n 's|c:#include <\(.*\)>.*$$|o: /usr/include/\1|p' >> Makefile.new
    <.deptmp sed -n 's|h:#include "\(.*\)".*$$|h: \1|p' >> Makefile.new
    <.deptmp sed -n 's|h:#include <\(.*\)>.*$$|h: /usr/include/\1|p' >> Makefile.new
fi
mv Makefile Makefile.old
mv Makefile.new Makefile
echo "# WARNING: Put nothing here or make depend will gobble it up!" >> Makefile
rm .deptmp X*.c