building bug

[cxwx]

Describe the bug [ 33%] Building CXX object test/CMakeFiles/test_sse2.dir/test_main.cpp.o [ 33%] Building CXX object test/CMakeFiles/test_avx2.dir/test_main.cpp.o [ 50%] Building CXX object test/CMakeFiles/test_scalar.dir/test_main.cpp.o In file included from /Users/cx/software/cpp/tmp/xxhash_cpp/test/test_main.cpp:15: In file included from /Users/cx/software/cpp/tmp/xxhash_cpp/test/xxh3.h:55: /Users/cx/software/cpp/tmp/xxhash_cpp/test/xxhash.h:4262:13: error: unknown type name '__m256i' 4262 | { __m256i* const xacc = (__m256i*) acc; | ^ /Users/cx/software/cpp/tmp/xxhash_cpp/test/xxhash.h:4262:36: error: use of undeclared identifier '__m256i' 4262 | { __m256i* const xacc = (__m256i*) acc;

To Reproduce Steps to reproduce the behavior:

brew reinstall sse2neon
mkdir build
cd build
cmake ../
make


**Desktop (please complete the following information):**
 - OS: macos 15.2 (M1)