BSD 4_3 development
[unix-history] / usr / contrib / nntp / rrn / makedepend
#!/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