The patch titled
Subject: kbuild: flatten KBUILD_CFLAGS
has been added to the -mm mm-nonmm-unstable branch. Its filename is
kbuild-flatten-kbuild_cflags.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kbuild-flatten-kbuild_cflags.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: kbuild: flatten KBUILD_CFLAGS
Date: Thu, 13 Jul 2023 21:52:28 +0300
Make it slightly easier to see which compiler options are added and
removed (and not worry about column limit too!).
Link: https://lkml.kernel.org/r/4f414a87-0c54-44bd-b218-f6f0b22c57ef@p183
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Cc: Nathan Chancellor <nathan@xxxxxxxxxx>
Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Cc: Nicolas Schier <nicolas@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Makefile | 22 +++++++++++++++++-----
1 file changed, 17 insertions(+), 5 deletions(-)
--- a/Makefile~kbuild-flatten-kbuild_cflags
+++ a/Makefile
@@ -555,11 +555,23 @@ LINUXINCLUDE := \
$(USERINCLUDE)
KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE
-KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \
- -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \
- -Werror=implicit-function-declaration -Werror=implicit-int \
- -Werror=return-type -Wno-format-security -funsigned-char \
- -std=gnu11
+
+KBUILD_CFLAGS :=
+KBUILD_CFLAGS += -std=gnu11
+KBUILD_CFLAGS += -fshort-wchar
+KBUILD_CFLAGS += -funsigned-char
+KBUILD_CFLAGS += -fno-common
+KBUILD_CFLAGS += -fno-PIE
+KBUILD_CFLAGS += -fno-strict-aliasing
+KBUILD_CFLAGS += -Wall
+KBUILD_CFLAGS += -Wundef
+KBUILD_CFLAGS += -Werror=implicit-function-declaration
+KBUILD_CFLAGS += -Werror=implicit-int
+KBUILD_CFLAGS += -Werror=return-type
+KBUILD_CFLAGS += -Werror=strict-prototypes
+KBUILD_CFLAGS += -Wno-format-security
+KBUILD_CFLAGS += -Wno-trigraphs
+
KBUILD_CPPFLAGS := -D__KERNEL__
KBUILD_RUSTFLAGS := $(rust_common_flags) \
--target=$(objtree)/scripts/target.json \
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
proc-support-proc-empty-vm-test-on-i386.patch
proc-skip-proc-empty-vm-on-anything-but-amd64-and-i386.patch
kbuild-flatten-kbuild_cflags.patch
