��������Ubuntu18.04��arm64��������./configur��������������configure: error: You need clang >= 5.0 to build Wine for arm64.����������������������clang6.0��

I tried to run ./configure on my Ubuntu18.04��arm64����but it prints ��configure: error: You need clang >= 5.0 to build Wine for arm64.��.I am sure that I've installed clang6.0.

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 Some screenshots