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Kbuild fixes for v4.18 (2nd)

Browse source 
- update Kbuild and Kconfig documents
 
  - sanitize -I compiler option handling
 
  - update extract-vmlinux script to recognize LZ4 and ZSTD
 
  - fix tools Makefiles
 
  - update tags.sh to handle __ro_after_init
 
  - suppress warnings in case getconf does not recognize LFS_* parameters
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Merge tag 'kbuild-fixes-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - update Kbuild and Kconfig documents

 - sanitize -I compiler option handling

 - update extract-vmlinux script to recognize LZ4 and ZSTD

 - fix tools Makefiles

 - update tags.sh to handle __ro_after_init

 - suppress warnings in case getconf does not recognize LFS_* parameters

* tag 'kbuild-fixes-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: suppress warnings from 'getconf LFS_*'
  scripts/tags.sh: add __ro_after_init
  tools: build: Use HOSTLDFLAGS with fixdep
  tools: build: Fixup host c flags
  tools build: fix # escaping in .cmd files for future Make
  scripts: teach extract-vmlinux about LZ4 and ZSTD
  kbuild: remove duplicated comments about PHONY
  kbuild: .PHONY is not a variable, but PHONY is
  kbuild: do not drop -I without parameter
  kbuild: document the KBUILD_KCONFIG env. variable
  kconfig: update user kconfig tools doc.
  kbuild: delete INSTALL_FW_PATH from kbuild documentation
  kbuild: update ARCH alias info for sparc
  kbuild: update ARCH alias info for sh
This commit is contained in:
Linus Torvalds 2018-07-13 12:15:12 -07:00
commit 79facf308f
15 changed files with 63 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

2
scripts/Kbuild.include
View file

@ -214,7 +214,7 @@ hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
# Prefix -I with $(srctree) if it is not an absolute path.
# skip if -I has no parameter
addtree = $(if $(patsubst -I%,%,$(1)), \
$(if $(filter-out -I/% -I./% -I../%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1)),$(1)))
$(if $(filter-out -I/% -I./% -I../%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1)),$(1)),$(1))
# Find all -I options and call addtree
flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))

3
scripts/Makefile.build
View file

@ -590,7 +590,4 @@ endif
# We never want them to be removed automatically.
.SECONDARY: $(targets)
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable se we can use it in if_changed and friends.
.PHONY: $(PHONY)

3
scripts/Makefile.clean
View file

@ -88,7 +88,4 @@ PHONY += $(subdir-ymn)
$(subdir-ymn):
$(Q)$(MAKE) $(clean)=$@
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable se we can use it in if_changed and friends.
.PHONY: $(PHONY)

4
scripts/Makefile.modbuiltin
View file

@ -54,8 +54,4 @@ PHONY += $(subdir-ym)
$(subdir-ym):
$(Q)$(MAKE) $(modbuiltin)=$@
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable se we can use it in if_changed and friends.
.PHONY: $(PHONY)

4
scripts/Makefile.modinst
View file

@ -35,8 +35,4 @@ modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
$(modules):
$(call cmd,modules_install,$(MODLIB)/$(modinst_dir))
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable so we can use it in if_changed and friends.
.PHONY: $(PHONY)

4
scripts/Makefile.modpost
View file

@ -149,8 +149,4 @@ ifneq ($(cmd_files),)
include $(cmd_files)
endif
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable se we can use it in if_changed and friends.
.PHONY: $(PHONY)

3
scripts/Makefile.modsign
View file

@ -27,7 +27,4 @@ modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
$(modules):
$(call cmd,sign_ko,$(MODLIB)/$(modinst_dir))
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable se we can use it in if_changed and friends.
.PHONY: $(PHONY)

2
scripts/extract-vmlinux
View file

@ -57,6 +57,8 @@ try_decompress '\3757zXZ\000' abcde unxz
try_decompress 'BZh' xy bunzip2
try_decompress '\135\0\0\0' xxx unlzma
try_decompress '\211\114\132' xy 'lzop -d'
try_decompress '\002!L\030' xxx 'lz4 -d'
try_decompress '(\265/\375' xxx unzstd
# Bail out:
echo "$me: Cannot find vmlinux." >&2

2
scripts/tags.sh
View file

@ -245,7 +245,7 @@ exuberant()
{
setup_regex exuberant asm c
all_target_sources | xargs $1 -a \
-I __initdata,__exitdata,__initconst, \
-I __initdata,__exitdata,__initconst,__ro_after_init \
-I __initdata_memblock \
-I __refdata,__attribute,__maybe_unused,__always_unused \
-I __acquires,__releases,__deprecated \