makefile

linux device driver example

CC 	= /usr/bin/gcc
LD 	= /usr/bin/ld
OBJCOPY = /usr/bin/objcopy

TOPDIR := $(shell /bin/pwd)
HPATH   = $(TOPDIR)/include
SYSTEM  = $(TOPDIR)/vmkernel

CFLAGS  = -g -I$(HPATH)
SUBDIRS = boot kernel

export CC LD OBJCOPY TOPDIR HPATH CFLAGS SYSTEM

.PHONY: clean subdirs $(SUBDIRS)

all: subdirs

subdirs: $(SUBDIRS)

$(SUBDIRS):
	$(MAKE) -C $@

boot: kernel

clean:
	for dir in $(SUBDIRS); do \
	   $(MAKE) -C $$dir clean; \
	done