Support using an existing kernel

endif

# Do you want user mode Linux (x86 only), or are you building a 

# real kernel that will run on its own?

# real kernel # that will run on its own?  Perhaps you have a 

# kernel you have already configured and you want to use that?

#TARGETS+=linux

TARGETS+=user-mode-linux

#TARGETS+=system-linux

# The default minimal set

TARGETS+=busybox tinylogin

#############################################################

#

# System Linux kernel target

#

# This uses an existing linux kernel source tree on

# your build system, and makes no effort at compiling

# anything....

#

# You will probably want to change LINUX_SOURCE to

# point to wherever you installed you kernel.

#

#  -Erik

#

#############################################################

ifneq ($(filter $(TARGETS),system-linux),)

LINUX_SOURCE=/usr/src/linux

LINUX_DIR=$(BUILD_DIR)/linux

LINUX_KERNEL=$(BUILD_DIR)/buildroot-kernel

$(LINUX_DIR)/.configured:

	mkdir -p $(LINUX_DIR)

	(cd $(LINUX_DIR); ln -s $(LINUX_SOURCE)/include)

	touch $(LINUX_DIR)/.configured

$(LINUX_KERNEL): $(LINUX_DIR)/.configured

$(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured

	mkdir -p $(STAGING_DIR)/include

	rm -rf $(STAGING_DIR)/include/linux

	cp -dpa $(LINUX_SOURCE)/include/linux $(STAGING_DIR)/include/

	rm -rf $(STAGING_DIR)/include/asm

	mkdir -p $(STAGING_DIR)/include/asm

	cp -dpa $(LINUX_SOURCE)/include/asm/* $(STAGING_DIR)/include/asm/

	rm -rf $(STAGING_DIR)/include/scsi

	mkdir -p $(STAGING_DIR)/include/scsi

	cp -dpa $(LINUX_SOURCE)/include/scsi/* $(STAGING_DIR)/include/scsi

	touch -c $(STAGING_DIR)/include/linux/version.h

system-linux: $(STAGING_DIR)/include/linux/version.h

system-linux-clean: clean

	rm -f $(LINUX_KERNEL)

	rm -rf $(LINUX_DIR)

system-linux-dirclean:

	rm -rf $(LINUX_DIR)

endif