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Re: [Xen-devel] [PATCH] x86emul: suppress default test harness build with incapable compiler

On Thu, Nov 22, 2018 at 02:57:19AM -0700, Jan Beulich wrote:
> A top level "make build", as used e.g. by osstest, wants to build all
> "all" targets in enabled tools subdirectories, which by default also
> includes the emulator test harness. The use of, in particular, AVX512
> insns in, again in particular, test_x86_emulator.c causes this build to
> fail though when the compiler is not new enough. Take a big hammer and
> suppress the default harness build altogether when any of the extensions
> used is not supported by the specified (or defaulted to) compiler.
> Leave the "run" target alone though: While some of the test code blobs
> may fail to build with older compilers, as long as the main executable
> can be built some limited testing can still be done.
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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