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Kbuild fixes for v5.12 (2nd)

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- avoid 'make image_name' invoking syncconfig
 
  - fix a couple of bugs in scripts/dummy-tools.
 
  - fix LLD_VENDOR and locale issues in scripts/ld-version.sh
 
  - rebuild GCC plugins when the compiler is upgraded
 
  - allow LTO to be enabled with KASAN_HW_TAGS
 
  - allow LTO to be enabled without LLVM=1
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Merge tag 'kbuild-fixes-v5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - avoid 'make image_name' invoking syncconfig

 - fix a couple of bugs in scripts/dummy-tools

 - fix LLD_VENDOR and locale issues in scripts/ld-version.sh

 - rebuild GCC plugins when the compiler is upgraded

 - allow LTO to be enabled with KASAN_HW_TAGS

 - allow LTO to be enabled without LLVM=1

* tag 'kbuild-fixes-v5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: fix ld-version.sh to not be affected by locale
  kbuild: remove meaningless parameter to $(call if_changed_rule,dtc)
  kbuild: remove LLVM=1 test from HAS_LTO_CLANG
  kbuild: remove unneeded -O option to dtc
  kbuild: dummy-tools: adjust to scripts/cc-version.sh
  kbuild: Allow LTO to be selected with KASAN_HW_TAGS
  kbuild: dummy-tools: support MPROFILE_KERNEL checks for ppc
  kbuild: rebuild GCC plugins when the compiler is upgraded
  kbuild: Fix ld-version.sh script if LLD was built with LLD_VENDOR
  kbuild: dummy-tools: fix inverted tests for gcc
  kbuild: add image_name to no-sync-config-targets
This commit is contained in:
Linus Torvalds 2021-03-13 12:18:59 -08:00
commit e83bad7f77
9 changed files with 55 additions and 21 deletions
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14
include/linux/compiler-version.h Normal file
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@ -0,0 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#ifdef __LINUX_COMPILER_VERSION_H
#error "Please do not include <linux/compiler-version.h>. This is done by the build system."
#endif
#define __LINUX_COMPILER_VERSION_H
/*
* This header exists to force full rebuild when the compiler is upgraded.
*
* When fixdep scans this, it will find this string "CONFIG_CC_VERSION_TEXT"
* and add dependency on include/config/cc/version/text.h, which is touched
* by Kconfig when the version string from the compiler changes.
*/

2
include/linux/kconfig.h
View file

@ -2,8 +2,6 @@
#ifndef __LINUX_KCONFIG_H
#define __LINUX_KCONFIG_H
/* CONFIG_CC_VERSION_TEXT (Do not delete this comment. See help in Kconfig) */
#include <generated/autoconf.h>
#ifdef CONFIG_CPU_BIG_ENDIAN