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Masahiro Yamada 52cc02b910 kbuild: check CONFIG_AS_IS_LLVM instead of LLVM_IAS 
LLVM_IAS is the user interface to set the -(no-)integrated-as flag,
and it should be used only for that purpose.

LLVM_IAS is checked in some places to determine the assembler type,
but it is not precise.

For example,

 $ make CC=gcc LLVM_IAS=1

... will use the GNU assembler (i.e. binutils) since LLVM_IAS=1 is
effective only when $(CC) is clang.

Of course, 'CC=gcc LLVM_IAS=1' is an odd combination, but the build
system can be more robust against such insane input.

Commit ba64beb174 ("kbuild: check the minimum assembler version in
Kconfig") introduced CONFIG_AS_IS_GNU/LLVM, which is more precise
because Kconfig checks the version string from the assembler in use.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
 		2021-08-10 09:13:25 +09:00
..
boot riscv: dts: fix memory size for the SiFive HiFive Unmatched 2021-08-03 21:15:31 -07:00
configs RISC-V: Enable Microchip PolarFire ICICLE SoC 2021-04-26 08:31:32 -07:00
errata riscv: skip errata_cip_453.o if CONFIG_ERRATA_SIFIVE_CIP_453 is disabled 2021-06-01 21:16:41 -07:00
include riscv: Get rid of CONFIG_PHYS_RAM_BASE in kernel physical address conversion 2021-08-06 22:41:28 -07:00
kernel riscv: stacktrace: Fix NULL pointer dereference 2021-07-24 12:58:51 -07:00
lib riscv: __asm_copy_to-from_user: Fix: Typos in comments 2021-07-23 17:49:12 -07:00
mm riscv: Get rid of CONFIG_PHYS_RAM_BASE in kernel physical address conversion 2021-08-06 22:41:28 -07:00
net bpf: Introduce BPF nospec instruction for mitigating Spectre v4 2021-07-29 00:20:56 +02:00
Kbuild riscv: Allow device trees to be built into the kernel 2020-05-18 11:38:05 -07:00
Kconfig Revert "riscv: Remove CONFIG_PHYS_RAM_BASE_FIXED" 2021-08-06 22:41:39 -07:00
Kconfig.debug RISC-V: Remove EARLY_PRINTK support 2018-12-17 10:23:46 -08:00
Kconfig.erratas riscv: enable SiFive errata CIP-453 and CIP-1200 Kconfig only if CONFIG_64BIT=y 2021-05-06 09:40:13 -07:00
Kconfig.socs riscv: sifive: fix Kconfig errata warning 2021-06-12 17:20:50 -07:00
Makefile kbuild: check CONFIG_AS_IS_LLVM instead of LLVM_IAS 2021-08-10 09:13:25 +09:00