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Kbuild fixes for v6.0 (3rd)

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- Fix build error for the combination of CONFIG_SYSTEM_TRUSTED_KEYRING=y
    and CONFIG_X509_CERTIFICATE_PARSER=m
 
  - Fix CONFIG_DEBUG_INFO_SPLIT to generate debug info for GCC 11+ and Clang 12+
 
  - Revive debug info for assembly files
 
  - Remove unused code
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Merge tag 'kbuild-fixes-v6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix build error for the combination of SYSTEM_TRUSTED_KEYRING=y and
   X509_CERTIFICATE_PARSER=m

 - Fix DEBUG_INFO_SPLIT to generate debug info for GCC 11+ and Clang 12+

 - Revive debug info for assembly files

 - Remove unused code

* tag 'kbuild-fixes-v6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  Makefile.debug: re-enable debug info for .S files
  Makefile.debug: set -g unconditional on CONFIG_DEBUG_INFO_SPLIT
  certs: make system keyring depend on built-in x509 parser
  Kconfig: remove unused function 'menu_get_root_menu'
  scripts/clang-tools: remove unused module
This commit is contained in:
Linus Torvalds 2022-09-24 17:41:17 -07:00
commit 105a36f369
6 changed files with 14 additions and 20 deletions
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2
certs/Kconfig
View file

@ -43,7 +43,7 @@ config SYSTEM_TRUSTED_KEYRING
bool "Provide system-wide ring of trusted keys"
depends on KEYS
depends on ASYMMETRIC_KEY_TYPE
depends on X509_CERTIFICATE_PARSER
depends on X509_CERTIFICATE_PARSER = y
help
Provide a system keyring to which trusted keys can be added. Keys in
the keyring are considered to be trusted. Keys may be added at will

4
lib/Kconfig.debug
View file

@ -264,8 +264,10 @@ config DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
config DEBUG_INFO_DWARF4
bool "Generate DWARF Version 4 debuginfo"
select DEBUG_INFO
depends on !CC_IS_CLANG || (CC_IS_CLANG && (AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502)))
help
Generate DWARF v4 debug info. This requires gcc 4.5+ and gdb 7.0+.
Generate DWARF v4 debug info. This requires gcc 4.5+, binutils 2.35.2
if using clang without clang's integrated assembler, and gdb 7.0+.
If you have consumers of DWARF debug info that are not ready for
newer revisions of DWARF, you may wish to choose this or have your

21
scripts/Makefile.debug
View file

@ -1,20 +1,19 @@
DEBUG_CFLAGS :=
debug-flags-y := -g
ifdef CONFIG_DEBUG_INFO_SPLIT
DEBUG_CFLAGS += -gsplit-dwarf
else
DEBUG_CFLAGS += -g
endif
ifndef CONFIG_AS_IS_LLVM
KBUILD_AFLAGS += -Wa,-gdwarf-2
endif
ifndef CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
dwarf-version-$(CONFIG_DEBUG_INFO_DWARF4) := 4
dwarf-version-$(CONFIG_DEBUG_INFO_DWARF5) := 5
DEBUG_CFLAGS += -gdwarf-$(dwarf-version-y)
debug-flags-$(CONFIG_DEBUG_INFO_DWARF4) += -gdwarf-4
debug-flags-$(CONFIG_DEBUG_INFO_DWARF5) += -gdwarf-5
ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_AS_IS_GNU),yy)
# Clang does not pass -g or -gdwarf-* option down to GAS.
# Add -Wa, prefix to explicitly specify the flags.
KBUILD_AFLAGS += $(addprefix -Wa$(comma), $(debug-flags-y))
endif
DEBUG_CFLAGS += $(debug-flags-y)
KBUILD_AFLAGS += $(debug-flags-y)
ifdef CONFIG_DEBUG_INFO_REDUCED
DEBUG_CFLAGS += -fno-var-tracking
@ -29,5 +28,5 @@ KBUILD_AFLAGS += -gz=zlib
KBUILD_LDFLAGS += --compress-debug-sections=zlib
endif
KBUILD_CFLAGS += $(DEBUG_CFLAGS)
KBUILD_CFLAGS += $(DEBUG_CFLAGS)
export DEBUG_CFLAGS

1
scripts/clang-tools/run-clang-tools.py
View file

@ -12,7 +12,6 @@ compile_commands.json.
import argparse
import json
import multiprocessing
import os
import subprocess
import sys

1
scripts/kconfig/lkc.h
View file

@ -98,7 +98,6 @@ bool menu_is_empty(struct menu *menu);
bool menu_is_visible(struct menu *menu);
bool menu_has_prompt(struct menu *menu);
const char *menu_get_prompt(struct menu *menu);
struct menu *menu_get_root_menu(struct menu *menu);
struct menu *menu_get_parent_menu(struct menu *menu);
bool menu_has_help(struct menu *menu);
const char *menu_get_help(struct menu *menu);

5
scripts/kconfig/menu.c
View file

@ -661,11 +661,6 @@ const char *menu_get_prompt(struct menu *menu)
return NULL;
}
struct menu *menu_get_root_menu(struct menu *menu)
{
return &rootmenu;
}
struct menu *menu_get_parent_menu(struct menu *menu)
{
enum prop_type type;