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arm64: Default to building compat vDSO with clang when CONFIG_CC_IS_CLANG

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Rather than force the use of GCC for the compat cross-compiler, instead
extract the target from CROSS_COMPILE_COMPAT and pass it to clang if the
main compiler is clang.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Will Deacon 2019-10-04 14:08:13 +01:00
parent 50a2610ade
commit 24ee01a927
1 changed files with 4 additions and 0 deletions
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4
arch/arm64/Makefile
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@ -53,7 +53,11 @@ $(warning Detected assembler with broken .inst; disassembly will be unreliable)
endif
endif
ifeq ($(CONFIG_CC_IS_CLANG), y)
COMPATCC ?= $(CC) --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%))
else
COMPATCC ?= $(CROSS_COMPILE_COMPAT)gcc
endif
export COMPATCC
ifeq ($(CONFIG_GENERIC_COMPAT_VDSO), y)