44 lines
1.5 KiB
Makefile
44 lines
1.5 KiB
Makefile
#############################################################
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#
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# Build the cramfs root filesystem image
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#
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#############################################################
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ifeq ($(BR2_ENDIAN),"BIG")
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CRAMFS_OPTS=-b
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else
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CRAMFS_OPTS=-l
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endif
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ifneq ($(TARGET_DEVICE_TABLE),)
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CRAMFS_OPTS += -D $(TARGET_DEVICE_TABLE)
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endif
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CRAMFS_TARGET=$(IMAGE).cramfs
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cramfsroot: host-fakeroot host-cramfs makedevs
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# Use fakeroot to pretend all target binaries are owned by root
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rm -f $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
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touch $(BUILD_DIR)/.fakeroot.00000
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cat $(BUILD_DIR)/.fakeroot* > $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
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echo "chown -R 0:0 $(TARGET_DIR)" >> $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
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ifneq ($(TARGET_DEVICE_TABLE),)
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# Use fakeroot to pretend to create all needed device nodes
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echo "$(HOST_DIR)/usr/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \
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>> $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
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endif
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# Use fakeroot so mkcramfs believes the previous fakery
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echo "$(HOST_DIR)/usr/bin/mkcramfs -q $(CRAMFS_OPTS) " \
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"$(TARGET_DIR) $(CRAMFS_TARGET)" >> $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
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chmod a+x $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
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$(HOST_DIR)/usr/bin/fakeroot -- $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
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-@rm -f $(BUILD_DIR)/_fakeroot.$(notdir $(CRAMFS_TARGET))
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#############################################################
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#
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# Toplevel Makefile options
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#
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#############################################################
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ifeq ($(BR2_TARGET_ROOTFS_CRAMFS),y)
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TARGETS+=cramfsroot
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endif
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