In https://github.com/facebook/zstd/blob/v1.5.6/build/cmake/lib/CMakeLists.txt#L174 zstd::libzstd point to shared library when `-DBUILD_SHARED_LIBS=ON` otherwise It points to static library.
In https://github.com/facebook/zstd/blob/v1.5.6/build/cmake/lib/CMakeLists.txt#L174 zstd::libzstd point to shared library when `-DBUILD_SHARED_LIBS=ON` otherwise It points to static library.