u-boot/Kbuild
Masahiro Yamada b5a2046376 kbuild: cherry-pick kbuild changes from Linux
b42841b7bb62 kbuild: Get rid of KBUILD_STR
2aedcd098a94 kbuild: suppress annoying "... is up to date." message
9c8fa9bc08f6 kbuild: fix if_change and friends to consider argument order
ebf003f0cfb3 kbuild: Consolidate header generation from ASM offset information
2982c953570b kbuild: remove redundant $(wildcard ...) for cmd_files calculation
8a78756eb545 kbuild: create object directories simpler and faster
4d4b5c2e3b6e treewide: remove explicit rules for *offsets.s
01d509a48b46 kbuild: remove unimportant comments from ./Kbuild

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-04-24 16:40:09 -04:00

30 lines
723 B
Makefile

# SPDX-License-Identifier: GPL-2.0
#
# Kbuild for top-level directory of U-Boot
#####
# Generate generic-asm-offsets.h
generic-offsets-file := include/generated/generic-asm-offsets.h
always := $(generic-offsets-file)
targets := lib/asm-offsets.s
$(obj)/$(generic-offsets-file): lib/asm-offsets.s FORCE
$(call filechk,offsets,__GENERIC_ASM_OFFSETS_H__)
#####
# Generate asm-offsets.h
ifneq ($(wildcard $(srctree)/arch/$(ARCH)/lib/asm-offsets.c),)
offsets-file := include/generated/asm-offsets.h
endif
always += $(offsets-file)
targets += arch/$(ARCH)/lib/asm-offsets.s
CFLAGS_asm-offsets.o := -DDO_DEPS_ONLY
$(obj)/$(offsets-file): arch/$(ARCH)/lib/asm-offsets.s FORCE
$(call filechk,offsets,__ASM_OFFSETS_H__)