Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
initramfs: specify $(src)/gen_initramfs.sh as a prerequisite in Makefile
Specify the dependency directly in the Makefile.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Greg Thelen <gthelen@google.com>
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usr/Makefile
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usr/Makefile
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# Generate the initramfs cpio archive
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hostprogs-y := gen_init_cpio
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initramfs := $(CONFIG_SHELL) $(srctree)/$(src)/gen_initramfs.sh
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ramfs-input := $(if $(filter-out "",$(CONFIG_INITRAMFS_SOURCE)), \
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$(shell echo $(CONFIG_INITRAMFS_SOURCE)),-d)
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ramfs-args := \
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endif
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quiet_cmd_initfs = GEN $@
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cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
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cmd_initfs = $(CONFIG_SHELL) $< -o $@ $(ramfs-args) $(ramfs-input)
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targets := $(datafile_y)
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···
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# 2) There are changes in which files are included (added or deleted)
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# 3) If gen_init_cpio are newer than initramfs_data.cpio
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# 4) Arguments to gen_initramfs.sh changes
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$(obj)/$(datafile_y): $(obj)/gen_init_cpio $(deps_initramfs) FORCE
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$(Q)$(initramfs) -l $(ramfs-input) > $(obj)/$(datafile_d_y)
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$(obj)/$(datafile_y): $(src)/gen_initramfs.sh $(obj)/gen_init_cpio $(deps_initramfs) FORCE
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$(Q)$< -l $(ramfs-input) > $(obj)/$(datafile_d_y)
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$(call if_changed,initfs)
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subdir-$(CONFIG_UAPI_HEADER_TEST) += include