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#############################################################
#
# Linux kernel targets
#
#############################################################
UMLINUX_DIR=$(BUILD_DIR)/linux
UMLINUX_SOURCE=linux-2.4.18.tar.bz2
UMLINUX_SITE=http://ftp.us.kernel.org/pub/linux/kernel/v2.4
UMLINUX_PATCH_1:=uml-patch-2.4.18-19.bz2
UMLINUX_PATCH_1_SITE:=http://telia.dl.sourceforge.net/sourceforge/user-mode-linux
UMLINUX_KCONFIG=$(SOURCE_DIR)/linux-uml.config
$(DL_DIR)/$(UMLINUX_SOURCE):
wget -P $(DL_DIR) --passive-ftp $(UMLINUX_SITE)/$(UMLINUX_SOURCE)
$(DL_DIR)/$(UMLINUX_PATCH_1):
wget -P $(DL_DIR) --passive-ftp $(UMLINUX_PATCH_1_SITE)/$(UMLINUX_PATCH_1)
user-mode-linux-source: $(DL_DIR)/$(UMLINUX_SOURCE) $(DL_DIR)/$(UMLINUX_PATCH_1)
$(UMLINUX_DIR)/.unpacked: $(DL_DIR)/$(UMLINUX_SOURCE) $(DL_DIR)/$(UMLINUX_PATCH_1)
bzcat $(DL_DIR)/$(UMLINUX_SOURCE) | tar -C $(BUILD_DIR) -xvf -
touch $(UMLINUX_DIR)/.unpacked
$(UMLINUX_DIR)/.patched: $(UMLINUX_DIR)/.unpacked
bzcat $(DL_DIR)/$(UMLINUX_PATCH_1) | patch -d $(UMLINUX_DIR) -p1
touch $(UMLINUX_DIR)/.patched
$(UMLINUX_DIR)/.set_arch: $(UMLINUX_DIR)/.patched
perl -i -p -e "s/^ARCH :=.*/ARCH:=um/g;" $(UMLINUX_DIR)/Makefile
touch $(UMLINUX_DIR)/.set_arch
$(UMLINUX_DIR)/.configured: $(UMLINUX_DIR)/.set_arch $(UMLINUX_KCONFIG)
cp $(UMLINUX_KCONFIG) $(UMLINUX_DIR)/.config
make -C $(UMLINUX_DIR) oldconfig include/linux/version.h
touch $(UMLINUX_DIR)/.configured
$(UMLINUX_DIR)/.depend_done: $(UMLINUX_DIR)/.configured
make -C $(UMLINUX_DIR) dep
touch $(UMLINUX_DIR)/.depend_done
$(UMLINUX_DIR)/linux: $(UMLINUX_DIR)/.depend_done
make -C $(UMLINUX_DIR) linux
$(LINUX_KERNEL): $(UMLINUX_DIR)/linux
cp -fa $(UMLINUX_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 $(UMLINUX_DIR) clean
user-mode-linux-dirclean:
rm -rf $(UMLINUX_DIR)
#############################################################
#
# Setup the kernel headers, but don't compile anything for the target yet,
# since we still need to build a cross-compiler to do that little task for
# us... Try to work around this little chicken-and-egg problem..
#
#############################################################
linux_headers: $(UMLINUX_DIR)/.configured
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