Merge tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Fix false-positive build warnings for ARCH=ia64 builds

 - Optimize dictionary size for module compression with xz

 - Check the compiler and linker versions in Kconfig

 - Fix misuse of extra-y

 - Support DWARF v5 debug info

 - Clamp SUBLEVEL to 255 because stable releases 4.4.x and 4.9.x
   exceeded the limit

 - Add generic syscall{tbl,hdr}.sh for cleanups across arches

 - Minor cleanups of genksyms

 - Minor cleanups of Kconfig

* tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (38 commits)
  initramfs: Remove redundant dependency of RD_ZSTD on BLK_DEV_INITRD
  kbuild: remove deprecated 'always' and 'hostprogs-y/m'
  kbuild: parse C= and M= before changing the working directory
  kbuild: reuse this-makefile to define abs_srctree
  kconfig: unify rule of config, menuconfig, nconfig, gconfig, xconfig
  kconfig: omit --oldaskconfig option for 'make config'
  kconfig: fix 'invalid option' for help option
  kconfig: remove dead code in conf_askvalue()
  kconfig: clean up nested if-conditionals in check_conf()
  kconfig: Remove duplicate call to sym_get_string_value()
  Makefile: Remove # characters from compiler string
  Makefile: reuse CC_VERSION_TEXT
  kbuild: check the minimum linker version in Kconfig
  kbuild: remove ld-version macro
  scripts: add generic syscallhdr.sh
  scripts: add generic syscalltbl.sh
  arch: syscalls: remove $(srctree)/ prefix from syscall tables
  arch: syscalls: add missing FORCE and fix 'targets' to make if_changed work
  gen_compile_commands: prune some directories
  kbuild: simplify access to the kernel's version
  ...

1 files changed, 18 insertions, 12 deletions

diff --git a/init/Kconfig b/init/Kconfig
index 0bf5b340b80e..719871f8727c 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -26,30 +26,36 @@ config CC_VERSION_TEXT
 	    and then every file will be rebuilt.
 
 config CC_IS_GCC
-	def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q gcc)
+	def_bool $(success,test "$(cc-name)" = GCC)
 
 config GCC_VERSION
 	int
-	default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
+	default $(cc-version) if CC_IS_GCC
 	default 0
 
-config LD_VERSION
-	int
-	default $(shell,$(LD) --version | $(srctree)/scripts/ld-version.sh)
-
 config CC_IS_CLANG
-	def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q clang)
-
-config LD_IS_LLD
-	def_bool $(success,$(LD) -v | head -n 1 | grep -q LLD)
+	def_bool $(success,test "$(cc-name)" = Clang)
 
 config CLANG_VERSION
 	int
-	default $(shell,$(srctree)/scripts/clang-version.sh $(CC))
+	default $(cc-version) if CC_IS_CLANG
+	default 0
+
+config LD_IS_BFD
+	def_bool $(success,test "$(ld-name)" = BFD)
+
+config LD_VERSION
+	int
+	default $(ld-version) if LD_IS_BFD
+	default 0
+
+config LD_IS_LLD
+	def_bool $(success,test "$(ld-name)" = LLD)
 
 config LLD_VERSION
 	int
-	default $(shell,$(srctree)/scripts/lld-version.sh $(LD))
+	default $(ld-version) if LD_IS_LLD
+	default 0
 
 config CC_CAN_LINK
 	bool