4.4BSD/usr/src/contrib/mkmf/test/C/TC.sh

#!/bin/sh
mkdir h proc
mv convert.l error.h globs.h parser.y prog.c scanner.l tab.h proc
touch proc/\#old.c
mv cons.h h
(cd proc; mkmf -F ../C.p; cat Makefile) 2>&1 | diff - OC
diffstatus=$?
/bin/rm -rf h proc C.p
exit $diffstatus