makefile

Linux 0.11 代码在不做修改的情况下,很难在现在的环境下这接编译通过(除非你能的到 10 几年前 Linus 用的那个版本的 gcc 什么的)。所以要对代码作少量修改(说说是少量花了好几小时的

#
# Makefile for the FREAX-kernel character device drivers.
#
# Note! Dependencies are done automagically by 'make dep', which also
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (ie not a .c file).
#

# XXX lexiongjia modify
AR	=ar
AS	=as
LD	=ld
LDFLAGS	=-s -x
CC	=gcc
CFLAGS	=-Wall -O -fstrength-reduce -fomit-frame-pointer \
	-finline-functions -nostdinc -mcpu=i386 -I../../include
CPP	=gcc -E -nostdinc  -mcpu=i386 -I../../include

.c.s:
	$(CC) $(CFLAGS) \
	-S -o $*.s $<

# XXX lexiongjia modify
.s.o:
	$(AS) -o $*.o $<

.c.o:
	$(CC) $(CFLAGS) \
	-c -o $*.o $<

OBJS  = math_emulate.o

math.a: $(OBJS)
	$(AR) rcs math.a $(OBJS)
	sync

clean:
	rm -f core *.o *.a tmp_make
	for i in *.c;do rm -f `basename $$i .c`.s;done

dep:
	sed '/\#\#\# Dependencies/q' < Makefile > tmp_make
	(for i in *.c;do echo -n `echo $$i | sed 's,\.c,\.s,'`" "; \
		$(CPP) -M $$i;done) >> tmp_make
	cp tmp_make Makefile

### Dependencies: