kbuild: Raise the minimum required binutils version to 2.21

It helps to use some new instructions directly in assembly code.

Suggested-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Ravi Shankar <ravi.v.shankar@intel.com>
Cc: Linux Torvalds <torvalds@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Link: https://lkml.kernel.org/r/1557309753-24073-5-git-send-email-chang.seok.bae@intel.com
This commit is contained in:
Chang S. Bae 2019-05-08 03:02:19 -07:00 committed by Thomas Gleixner
parent b64ed19b93
commit 1fb12b35e5

View File

@ -31,7 +31,7 @@ you probably needn't concern yourself with isdn4k-utils.
====================== =============== ======================================== ====================== =============== ========================================
GNU C 4.6 gcc --version GNU C 4.6 gcc --version
GNU make 3.81 make --version GNU make 3.81 make --version
binutils 2.20 ld -v binutils 2.21 ld -v
flex 2.5.35 flex --version flex 2.5.35 flex --version
bison 2.0 bison --version bison 2.0 bison --version
util-linux 2.10o fdformat --version util-linux 2.10o fdformat --version
@ -77,9 +77,7 @@ You will need GNU make 3.81 or later to build the kernel.
Binutils Binutils
-------- --------
The build system has, as of 4.13, switched to using thin archives (`ar T`) Binutils 2.21 or newer is needed to build the kernel.
rather than incremental linking (`ld -r`) for built-in.a intermediate steps.
This requires binutils 2.20 or newer.
pkg-config pkg-config
---------- ----------