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#############################################################
#
# Linux kernel targets
#
#############################################################
ifneq ($(filter $(TARGETS),user-mode-linux),)
LINUX_VERSION=2.4.20
LINUX_DIR=$(BUILD_DIR)/linux-$(LINUX_VERSION)
LINUX_SOURCE=linux-$(LINUX_VERSION).tar.bz2
LINUX_SITE=http://ftp.us.kernel.org/pub/linux/kernel/v2.4
LINUX_PATCH_1:=uml-patch-$(LINUX_VERSION)-6.bz2
LINUX_PATCH_1_SITE:=http://aleron.dl.sourceforge.net/sourceforge/user-mode-linux
LINUX_KCONFIG=$(SOURCE_DIR)/linux-uml.config
LINUX_KERNEL=$(BASE_DIR)/UMlinux
# Used by pcmcia-cs and others
LINUX_SOURCE_DIR=$(LINUX_DIR)
$(DL_DIR)/$(LINUX_SOURCE):
$(WGET) -P $(DL_DIR) $(LINUX_SITE)/$(LINUX_SOURCE)
$(DL_DIR)/$(LINUX_PATCH_1):
$(WGET) -P $(DL_DIR) $(LINUX_PATCH_1_SITE)/$(LINUX_PATCH_1)
user-mode-linux-source: $(DL_DIR)/$(LINUX_SOURCE) $(DL_DIR)/$(LINUX_PATCH_1)
$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE) $(DL_DIR)/$(LINUX_PATCH_1)
bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(BUILD_DIR) -xvf -
rm -rf $(BUILD_DIR)/linux
-(cd $(BUILD_DIR); ln -sf $(LINUX_DIR) linux)
touch $(LINUX_DIR)/.unpacked
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
bzcat $(DL_DIR)/$(LINUX_PATCH_1) | patch -d $(LINUX_DIR) -p1
touch $(LINUX_DIR)/.patched
$(LINUX_DIR)/.set_arch: $(LINUX_DIR)/.patched
perl -i -p -e "s/^ARCH :=.*/ARCH:=um/g;" $(LINUX_DIR)/Makefile
touch $(LINUX_DIR)/.set_arch
$(LINUX_DIR)/.configured $(BUILD_DIR)/linux/.configured: $(LINUX_DIR)/.set_arch $(LINUX_KCONFIG)
cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config
$(MAKE) -C $(LINUX_DIR) oldconfig include/linux/version.h
touch $(LINUX_DIR)/.configured
$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
$(MAKE) -C $(LINUX_DIR) dep
touch $(LINUX_DIR)/.depend_done
$(LINUX_DIR)/linux: $(LINUX_DIR)/.depend_done
$(MAKE) -C $(LINUX_DIR) linux
$(LINUX_KERNEL): $(LINUX_DIR)/linux
cp -fa $(LINUX_DIR)/linux $(LINUX_KERNEL)
user-mode-linux: $(LINUX_KERNEL)
# Renamed so it is not cleaned by default on a make clean
user-mode-linux_clean: clean
rm -f $(LINUX_KERNEL)
-$(MAKE) -C $(LINUX_DIR) clean
user-mode-linux-dirclean:
rm -rf $(LINUX_DIR)
endif
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