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linux/scripts/Makefile.dtbinst
Masahiro Yamada 3204a7fb98 kbuild: prefix $(srctree)/ to some included Makefiles
VPATH is used in Kbuild to make pattern rules search for prerequisites
in both $(objtree) and $(srctree). Some of *.c, *.S files are not real
sources, but generated by tools such as flex, bison, perl.

In contrast, I doubt the benefit of --include-dir=$(abs_srctree) because
it is always clear which Makefiles are real sources, and which are not.

So, my hope is to add $(srctree)/ prefix to all check-in Makefiles,
then remove --include-dir=$(abs_srctree) flag in the future.

I am touching only some Kbuild core parts for now. Treewide fixes will
be needed to achieve this goal.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-03-15 19:20:48 +09:00

40 lines
999 B
Makefile

# SPDX-License-Identifier: GPL-2.0
# ==========================================================================
# Installing dtb files
#
# Installs all dtb files listed in $(dtb-y) either in the
# INSTALL_DTBS_PATH directory or the default location:
#
# $INSTALL_PATH/dtbs/$KERNELRELEASE
# ==========================================================================
src := $(obj)
PHONY := __dtbs_install
__dtbs_install:
include include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
include $(src)/Makefile
dtbs := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m))
__dtbs_install: $(dtbs) $(subdirs)
@:
quiet_cmd_dtb_install = INSTALL $@
cmd_dtb_install = install -D $< $@
$(dst)/%.dtb: $(obj)/%.dtb
$(call cmd,dtb_install)
$(dst)/%.dtbo: $(obj)/%.dtbo
$(call cmd,dtb_install)
PHONY += $(subdirs)
$(subdirs):
$(Q)$(MAKE) $(dtbinst)=$@ dst=$(patsubst $(obj)/%,$(dst)/%,$@)
.PHONY: $(PHONY)