sys.mk

早期freebsd实现

#	@(#)sys.mk	8.2 (Berkeley) 3/21/94

unix		?=	We run UNIX.

.SUFFIXES: .out .a .ln .o .c .F .f .e .r .y .l .s .cl .p .h 

.LIBS:		.a

AR		?=	ar
ARFLAGS		?=	rl
RANLIB		?=	ranlib

AS		?=	as
AFLAGS		?=

CC		?=	gcc

.if ${MACHINE} == "sparc"
CFLAGS		?=	-O4
.else
CFLAGS		?=	-O2
.endif

CPP		?=	cpp

FC		?=	f77
FFLAGS		?=	-O
EFLAGS		?=

LEX		?=	lex
LFLAGS		?=

LD		?=	ld
LDFLAGS		?=

LINT		?=	lint
LINTFLAGS	?=	-chapbx

MAKE		?=	make

PC		?=	pc
PFLAGS		?=

RC		?=	f77
RFLAGS		?=

SHELL		?=	sh

YACC		?=	yacc
YFLAGS		?=	-d

.c:
	${CC} ${CFLAGS} ${.IMPSRC} -o ${.TARGET}

.c.o:
	${CC} ${CFLAGS} -c ${.IMPSRC}

.p.o:
	${PC} ${PFLAGS} -c ${.IMPSRC}

.e.o .r.o .F.o .f.o:
	${FC} ${RFLAGS} ${EFLAGS} ${FFLAGS} -c ${.IMPSRC}

.s.o:
	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}

.y.o:
	${YACC} ${YFLAGS} ${.IMPSRC}
	${CC} ${CFLAGS} -c y.tab.c -o ${.TARGET}
	rm -f y.tab.c

.l.o:
	${LEX} ${LFLAGS} ${.IMPSRC}
	${CC} ${CFLAGS} -c lex.yy.c -o ${.TARGET}
	rm -f lex.yy.c

.y.c:
	${YACC} ${YFLAGS} ${.IMPSRC}
	mv y.tab.c ${.TARGET}

.l.c:
	${LEX} ${LFLAGS} ${.IMPSRC}
	mv lex.yy.c ${.TARGET}

.s.out .c.out .o.out:
	${CC} ${CFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}

.f.out .F.out .r.out .e.out:
	${FC} ${EFLAGS} ${RFLAGS} ${FFLAGS} ${.IMPSRC} \
	    ${LDLIBS} -o ${.TARGET}
	rm -f ${.PREFIX}.o

.y.out:
	${YACC} ${YFLAGS} ${.IMPSRC}
	${CC} ${CFLAGS} y.tab.c ${LDLIBS} -ly -o ${.TARGET}
	rm -f y.tab.c

.l.out:
	${LEX} ${LFLAGS} ${.IMPSRC}
	${CC} ${CFLAGS} lex.yy.c ${LDLIBS} -ll -o ${.TARGET}
	rm -f lex.yy.c