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#############################################################
#
# mkcramfs to build to target cramfs filesystems
#
#############################################################
CRAMFS_DIR=$(BUILD_DIR)/cramfs-1.1
CRAMFS_SOURCE=cramfs-1.1.tar.gz
ifeq ($(call qstrip,$(BR2_SOURCEFORGE_MIRROR)),unc)
# UNC does not seem to have cramfs
CRAMFS_SITE=http://internap.dl.sourceforge.net/sourceforge/cramfs
else
CRAMFS_SITE=http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/cramfs
endif
$(DL_DIR)/$(CRAMFS_SOURCE):
$(call DOWNLOAD,$(CRAMFS_SITE),$(CRAMFS_SOURCE))
$(CRAMFS_DIR): $(DL_DIR)/$(CRAMFS_SOURCE)
$(ZCAT) $(DL_DIR)/$(CRAMFS_SOURCE) | tar -C $(BUILD_DIR) -xvf -
toolchain/patch-kernel.sh $(CRAMFS_DIR) target/cramfs/ cramfs\*.patch
$(CRAMFS_DIR)/mkcramfs: $(CRAMFS_DIR)
$(MAKE) CFLAGS="-Wall -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" -C $(CRAMFS_DIR)
touch -c $@
cramfs: $(CRAMFS_DIR)/mkcramfs
cramfs-source: $(DL_DIR)/$(CRAMFS_SOURCE)
cramfs-clean:
-$(MAKE) -C $(CRAMFS_DIR) clean
cramfs-dirclean:
rm -rf $(CRAMFS_DIR)
#############################################################
#
# Build the cramfs root filesystem image
#
#############################################################
ifeq ($(BR2_ENDIAN),"BIG")
CRAMFS_OPTS=-b
else
CRAMFS_OPTS=-l
endif
ifneq ($(TARGET_DEVICE_TABLE),)
CRAMFS_OPTS += -D $(TARGET_DEVICE_TABLE)
endif
CRAMFS_TARGET=$(IMAGE).cramfs
cramfsroot: host-fakeroot makedevs cramfs
# Use fakeroot to pretend all target binaries are owned by root
rm -f $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
touch $(BUILD_DIR)/.fakeroot.00000
cat $(BUILD_DIR)/.fakeroot* > $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
echo "chown -R 0:0 $(TARGET_DIR)" >> $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
ifneq ($(TARGET_DEVICE_TABLE),)
# Use fakeroot to pretend to create all needed device nodes
echo "$(HOST_DIR)/usr/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \
>> $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
endif
# Use fakeroot so mkcramfs believes the previous fakery
echo "$(CRAMFS_DIR)/mkcramfs -q $(CRAMFS_OPTS) " \
"$(TARGET_DIR) $(CRAMFS_TARGET)" >> $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
chmod a+x $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
$(HOST_DIR)/usr/bin/fakeroot -- $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
-@rm -f $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
cramfsroot-source: cramfs-source
cramfsroot-clean:
-$(MAKE) -C $(CRAMFS_DIR) clean
cramfsroot-dirclean:
rm -rf $(CRAMFS_DIR)
#############################################################
#
# Toplevel Makefile options
#
#############################################################
ifeq ($(BR2_TARGET_ROOTFS_CRAMFS),y)
TARGETS+=cramfsroot
endif
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