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initramfs: specify $(src)/gen_initramfs.sh as a prerequisite in Makefile

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Specify the dependency directly in the Makefile.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Greg Thelen <gthelen@google.com>
This commit is contained in:
Masahiro Yamada 2020-01-05 00:02:33 +09:00
parent f26661e127
commit 3e17668363
2 changed files with 4 additions and 5 deletions
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7
usr/Makefile
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@ -24,7 +24,6 @@ $(obj)/initramfs_data.o: $(obj)/$(datafile_y) FORCE
# Generate the initramfs cpio archive
hostprogs-y := gen_init_cpio
initramfs := $(CONFIG_SHELL) $(srctree)/$(src)/gen_initramfs.sh
ramfs-input := $(if $(filter-out "",$(CONFIG_INITRAMFS_SOURCE)), \
$(shell echo $(CONFIG_INITRAMFS_SOURCE)),-d)
ramfs-args := \
@ -40,7 +39,7 @@ ifneq ($(wildcard $(obj)/$(datafile_d_y)),)
endif
quiet_cmd_initfs = GEN $@
cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
cmd_initfs = $(CONFIG_SHELL) $< -o $@ $(ramfs-args) $(ramfs-input)
targets := $(datafile_y)
@ -52,8 +51,8 @@ $(deps_initramfs): ;
# 2) There are changes in which files are included (added or deleted)
# 3) If gen_init_cpio are newer than initramfs_data.cpio
# 4) Arguments to gen_initramfs.sh changes
$(obj)/$(datafile_y): $(obj)/gen_init_cpio $(deps_initramfs) FORCE
$(Q)$(initramfs) -l $(ramfs-input) > $(obj)/$(datafile_d_y)
$(obj)/$(datafile_y): $(src)/gen_initramfs.sh $(obj)/gen_init_cpio $(deps_initramfs) FORCE
$(Q)$< -l $(ramfs-input) > $(obj)/$(datafile_d_y)
$(call if_changed,initfs)
subdir-$(CONFIG_UAPI_HEADER_TEST) += include

2
usr/gen_initramfs.sh
View File

@ -235,7 +235,7 @@ arg="$1"
case "$arg" in
"-l") # files included in initramfs - used by kbuild
dep_list="list_"
echo "deps_initramfs := $0 \\"
echo "deps_initramfs := \\"
shift
;;
"-o") # generate compressed cpio image named $1