#	Makefile for the Fortran 77 compiler
#	running on a nonseparate I/D PDP11 using text overlays,
#	generating code for the PDP11,
#	using the Ritchie pass 2
#

AS=		as -V
C2=		/lib/c2
CC=		cc -V
CFL=		-DTARGET=PDP11 -DFAMILY=DMR -DHERE=PDP11 -DOUTPUT=BINARY \
		-DPOLISH=POSTFIX -DOVERLAID
FP=		# -f for machines without floating point
CFLAGS=		-s ${FP} ${CFL}		# Don't use -O here.
STARTUP=	/lib/crt0.o   # /lib/fcrt0.o for machines without floating point
LD=		ld
LDFLAGS=	-X -n
LIBR=		-lovc
STRINGS=	f77_strings
PASS1OBJECTS=	data.o equiv.o error.o exec.o expr.o gram.o init.o \
		intr.o io.o lex.o main.o misc.o pdp11.o pdp11x.o proc.o \
		put.o putdmr.o

all:		f77 f77pass1

cp:		all
		cp f77 ${DESTDIR}/bin
		cp f77pass1 ${DESTDIR}/lib/f77pass1
		-strip ${DESTDIR}/bin/f77 ${DESTDIR}/lib/f77pass1
		cp ${STRINGS} ${DESTDIR}/lib

cmp:		all
		cmp f77 ${DESTDIR}/bin/f77
		cmp f77pass1 ${DESTDIR}/lib/f77pass1
		cmp ${STRINGS} ${DESTDIR}/lib/${STRINGS}

clean:
		-rm -f f77 f77pass1 *.o x.c xs.c f77_strings strings

driver.o:
		cc -c ${CFLAGS} $*.c


#	Take certain data tables out of data space and put them in
#	text space (warning-- this doesn't work except with special cases)

gram.o:		gram.c
		mkstr - f77_strings xx gram.c
		${CC} -S ${CFLAGS} xxgram.c 
		mv xxgram.s gram.s
#	Eliminate yacc data structures
		ed - gram.s < :gram.fix
		rm xxgram.c
		${AS} -u -o gram.o gram.s
		rm gram.s

.c.o:   	$*.s
#	Remove error strings
		mkstr - f77_strings xx $*.c
		${CC} -S ${CFLAGS} xx$*.c
		mv xx$*.s $*.s
#	Move switch code to text space
		ed - $*.s < :rofix
		rm xx$*.c
		${C2} $*.s x.s
		mv x.s $*.s
		${AS} -u -o $*.o $*.s
		rm $*.s

.c.s:   
#	Remove error strings
		mkstr - f77_strings xx $*.c
		${CC} -S ${CFLAGS} xx$*.c
		mv xx$*.s $*.s
		ed - $*.s < :rofix
		rm xx$*.c

.s.o:
		${C2} $*.s x.s
		mv x.s $*.s
		${AS} -u -o $*.o $*.s
		rm $*.s

f77:		driver.c pdp11x.c 
		cc -n ${CFLAGS} driver.c pdp11x.c -o f77
		@size f77

f77pass1:	${PASS1OBJECTS}
		${LD} ${STARTUP} ${LDFLAGS} -o f77pass1 \
		-Z main.o init.o equiv.o data.o io.o \
		-Z gram.o \
		-Z lex.o proc.o \
		-Z expr.o \
		-Z exec.o intr.o \
		-Z putdmr.o pdp11.o pdp11x.o \
		-L misc.o error.o put.o ${LIBR}
		@size f77pass1

gram.c:		gram.head gram.dcl gram.expr gram.exec gram.io tokdefs
		( sed <tokdefs "s/#define/%token/" ;\
                cat gram.head gram.dcl gram.expr gram.exec gram.io ) >gram.in
		${YACC} ${YFLAGS} gram.in
		mv y.tab.c gram.c
		rm gram.in

data.o:		defs
data.o:		string_defs
driver.o:	/usr/include/stdio.h
driver.o:	/usr/include/ctype.h
driver.o:	defines
driver.o:	locdefs
driver.o:	drivedefs
driver.o:	ftypes
driver.o:	/usr/include/signal.h
driver.o:	/usr/include/errno.h
driver.o:	ftypes
equiv.o:	defs
equiv.o:	string_defs
error.o:	defs
error.o:	string_defs
exec.o:		defs
exec.o:		string_defs
expr.o:		defs
expr.o:		string_defs
gram.o:		defs
gram.o:		string_defs
init.o:		defs
init.o:		string_defs
intr.o:		defs
intr.o:		string_defs
io.o:		defs
io.o:		string_defs
lex.o:		defs
lex.o:		string_defs
lex.o:		tokdefs
main.o:		defs
main.o:		string_defs
misc.o:		defs
misc.o:		string_defs
pdp11.o:	defs
pdp11.o:	string_defs
pdp11x.o:	/usr/include/stdio.h
pdp11x.o:	defines
pdp11x.o:	locdefs
proc.o:		defs
proc.o:		string_defs
put.o:		defs
put.o:		string_defs
putdmr.o:	defs
putdmr.o:	string_defs
putdmr.o:	dmrdefs

defs:		/usr/include/stdio.h /usr/include/ctype.h ftypes defines locdefs
		touch defs
	
tokdefs:	tokens
		grep -n . <tokens | sed "s/\([^:]*\):\(.*\)/#define \2 \1/" >tokdefs

locdefs:	pdp11defs
		cp pdp11defs locdefs