Re: [PATCH v3 14/16] kconfig: Add support for 'as-option'
From: Catalin Marinas <catalin.marinas@arm.com>
Date: 2020-01-17 11:34:05
Also in:
linux-kbuild
On Mon, Dec 16, 2019 at 02:17:16PM +0530, Amit Daniel Kachhap wrote:
quoted hunk ↗ jump to hunk
diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include index d4adfbe..cc465dd 100644 --- a/scripts/Kconfig.include +++ b/scripts/Kconfig.include@@ -31,6 +31,10 @@ cc-option = $(success,$(CC) -Werror $(CLANG_FLAGS) $(1) -E -x c /dev/null -o /de # Return y if the linker supports <flag>, n otherwise ld-option = $(success,$(LD) -v $(1)) +# $(as-option,<flag>) +# Return y if the assembler supports <flag>, n otherwise +as-option = $(success, $(CC) $(CLANG_FLAGS) $(1) -E -x assembler /dev/null -o /dev/null)
I had different experiments with this for MTE and noticed that clang does not honour the -Wa, option (which you use in a subsequent patch). So not sure how useful as-option is. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel