test compilation seem to be broken

[megatog615]

when compiling test_simd.cpp:

<$HOME>/Ray/tests/../internal/simd/detect.h: In function ‘Ray::CpuFeatures Ray::GetCpuFeatures()’: <$HOME>/Ray/tests/../internal/simd/detect.h:77:55: error: ‘_xgetbv’ was not declared in this scope 77 | unsigned long long xcr_feature_mask = _xgetbv(0); | ^~~~~~~ make[2]: *** [tests/CMakeFiles/test_Ray.dir/build.make:115: tests/CMakeFiles/test_Ray.dir/test_simd.cpp.o] Error 1 make[1]: *** [CMakeFiles/Makefile2:123: tests/CMakeFiles/test_Ray.dir/all] Error 2 make: *** [Makefile:84: all] Error 2