usr/src/lib/Makefile

#       @(#)Makefile    4.2     (Berkeley)      11/22/82
#
DESTDIR=
CFLAGS= -O

# Programs that live in subdirectories, and have makefiles of their own.
#
SUBDIR= c2 cpp libc pcc

all:    ${SUBDIR}

${SUBDIR}: /tmp
        cd $@; make ${MFLAGS}

install:
        for i in ${SUBDIR}; do \
                (cd $$i; make ${MFLAGS} DESTDIR=${DESTDIR} install); done

clean:
        rm -f a.out core *.s *.o
        for i in ${SUBDIR}; do (cd $$i; make ${MFLAGS} clean); done