usr/src/old/awk/Makefile

#       @(#)Makefile    4.12 (Berkeley) %G%

YFLAGS= -d
CFLAGS+=-I. -I${.CURDIR}
PROG=   awk
SRCS=   awk.lx.c b.c lib.c main.c parse.c proctab.c freeze.c run.c tran.c
OBJS+=  token.o awk.g.o
CLEANFILES+=    token.c proctab.c proc.o proc awk.h awk.lx.c y.tab.h

DPADD=  ${LIBM}
LDADD=  -lm

token.c: awk.h
        echo '#include "awk.h"' > ${.TARGET}
        echo 'struct toke { char *tnm; int yval; } tok[] = {' >> ${.TARGET}
        sed 's/#define \([^ ]*\) \(.*\)/"\1", \2,/' \
            < awk.h >> ${.TARGET}
        echo '};' >> ${.TARGET}
        echo 'char *tokname(n)' >> ${.TARGET}
        echo '{' >> ${.TARGET}
        echo '  if (n <= 256 || n >= LASTTOKEN)' >> ${.TARGET}
        echo '          n = 257;' >> ${.TARGET}
        echo '  return(tok[n - 257].tnm);' >> ${.TARGET}
        echo '}' >> ${.TARGET}

awk.h: awk.g.o
        rm -f awk.h
        cp y.tab.h awk.h

proctab.c: proc
        ./proc > proctab.c

proc: token.o proc.o
        ${CC} -o ${.TARGET} proc.o token.o

.include <bsd.prog.mk>