mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 08:44:21 +08:00
8ec4b4ff1c
Kbuild.include is a placeholder for definitions originally present in both the top-level Makefile and scripts/Makefile.build. There were a slight difference in the filechk definition, so the most videly used version was kept and usr/Makefile was adopted for this syntax. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> ---
66 lines
2.0 KiB
Makefile
66 lines
2.0 KiB
Makefile
|
|
obj-y := initramfs_data.o
|
|
|
|
hostprogs-y := gen_init_cpio
|
|
|
|
clean-files := initramfs_data.cpio.gz initramfs_list
|
|
|
|
# initramfs_data.o contains the initramfs_data.cpio.gz image.
|
|
# The image is included using .incbin, a dependency which is not
|
|
# tracked automatically.
|
|
$(obj)/initramfs_data.o: $(obj)/initramfs_data.cpio.gz FORCE
|
|
|
|
ifdef CONFIG_INITRAMFS_ROOT_UID
|
|
gen_initramfs_args += -u $(CONFIG_INITRAMFS_ROOT_UID)
|
|
endif
|
|
|
|
ifdef CONFIG_INITRAMFS_ROOT_GID
|
|
gen_initramfs_args += -g $(CONFIG_INITRAMFS_ROOT_GID)
|
|
endif
|
|
|
|
# The $(shell echo $(CONFIG_INITRAMFS_SOURCE)) is to remove the
|
|
# gratuitous begin and end quotes from the Kconfig string type.
|
|
# Internal, escaped quotes in the Kconfig string will loose the
|
|
# escape and become active quotes.
|
|
quotefixed_initramfs_source := $(shell echo $(CONFIG_INITRAMFS_SOURCE))
|
|
|
|
filechk_initramfs_list = $(CONFIG_SHELL) \
|
|
$(srctree)/scripts/gen_initramfs_list.sh $(gen_initramfs_args) $(quotefixed_initramfs_source)
|
|
|
|
$(obj)/initramfs_list: $(obj)/Makefile FORCE
|
|
$(call filechk,initramfs_list)
|
|
|
|
quiet_cmd_cpio = CPIO $@
|
|
cmd_cpio = ./$< $(obj)/initramfs_list > $@
|
|
|
|
|
|
# Check if the INITRAMFS_SOURCE is a cpio archive
|
|
ifneq (,$(findstring .cpio,$(quotefixed_initramfs_source)))
|
|
|
|
# INITRAMFS_SOURCE has a cpio archive - verify that it's a single file
|
|
ifneq (1,$(words $(quotefixed_initramfs_source)))
|
|
$(error Only a single file may be specified in CONFIG_INITRAMFS_SOURCE (="$(quotefixed_initramfs_source)") when a cpio archive is directly specified.)
|
|
endif
|
|
# Now use the cpio archive directly
|
|
initramfs_data_cpio = $(quotefixed_initramfs_source)
|
|
targets += $(quotefixed_initramfs_source)
|
|
|
|
else
|
|
|
|
# INITRAMFS_SOURCE is not a cpio archive - create one
|
|
$(obj)/initramfs_data.cpio: $(obj)/gen_init_cpio \
|
|
$(initramfs-y) $(obj)/initramfs_list FORCE
|
|
$(call if_changed,cpio)
|
|
|
|
targets += initramfs_data.cpio
|
|
initramfs_data_cpio = $(obj)/initramfs_data.cpio
|
|
|
|
endif
|
|
|
|
|
|
$(obj)/initramfs_data.cpio.gz: $(initramfs_data_cpio) FORCE
|
|
$(call if_changed,gzip)
|
|
|
|
targets += initramfs_data.cpio.gz
|
|
|