diff options
| author | Masahiro Yamada <masahiroy@kernel.org> | 2020-04-17 16:21:36 +0900 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-04-24 16:40:09 -0400 |
| commit | b5a2046376e7f18f796f641a51fdc66a5a52306a (patch) | |
| tree | fb5cdf6ac1c5301734ea4e1db00810ceda276c1e /Kbuild | |
| parent | c3da3f58086b30d0d435a002781121c1e820c7da (diff) | |
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>
Diffstat (limited to 'Kbuild')
| -rw-r--r-- | Kbuild | 45 |
1 files changed, 3 insertions, 42 deletions
@@ -1,54 +1,20 @@ +# SPDX-License-Identifier: GPL-2.0 # # Kbuild for top-level directory of U-Boot -# This file takes care of the following: -# 1) Generate generic-asm-offsets.h -# 2) Generate asm-offsets.h - -# Default sed regexp - multiline due to syntax constraints -define sed-y - "s:[[:space:]]*\.ascii[[:space:]]*\"\(.*\)\":\1:; \ - /^->/{s:->#\(.*\):/* \1 */:; \ - s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \ - s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ - s:->::; p;}" -endef - -# Use filechk to avoid rebuilds when a header changes, but the resulting file -# does not -define filechk_offsets - (set -e; \ - echo "#ifndef $2"; \ - echo "#define $2"; \ - echo "/*"; \ - echo " * DO NOT MODIFY."; \ - echo " *"; \ - echo " * This file was generated by Kbuild"; \ - echo " */"; \ - echo ""; \ - sed -ne $(sed-y); \ - echo ""; \ - echo "#endif" ) -endef ##### -# 1) Generate generic-asm-offsets.h +# Generate generic-asm-offsets.h generic-offsets-file := include/generated/generic-asm-offsets.h always := $(generic-offsets-file) targets := lib/asm-offsets.s -# We use internal kbuild rules to avoid the "is up to date" message from make -lib/asm-offsets.s: lib/asm-offsets.c FORCE - $(Q)mkdir -p $(dir $@) - $(call if_changed_dep,cc_s_c) - $(obj)/$(generic-offsets-file): lib/asm-offsets.s FORCE $(call filechk,offsets,__GENERIC_ASM_OFFSETS_H__) ##### -# 2) Generate asm-offsets.h -# +# Generate asm-offsets.h ifneq ($(wildcard $(srctree)/arch/$(ARCH)/lib/asm-offsets.c),) offsets-file := include/generated/asm-offsets.h @@ -59,10 +25,5 @@ targets += arch/$(ARCH)/lib/asm-offsets.s CFLAGS_asm-offsets.o := -DDO_DEPS_ONLY -# We use internal kbuild rules to avoid the "is up to date" message from make -arch/$(ARCH)/lib/asm-offsets.s: arch/$(ARCH)/lib/asm-offsets.c FORCE - $(Q)mkdir -p $(dir $@) - $(call if_changed_dep,cc_s_c) - $(obj)/$(offsets-file): arch/$(ARCH)/lib/asm-offsets.s FORCE $(call filechk,offsets,__ASM_OFFSETS_H__) |