def METHOD_NAME(self):
    # Fix cblas CMakeLists.txt -- has wrong case for subdirectory name.
    if self.spec.satisfies("@3.6.0:"):
        filter_file(
            "${CMAKE_CURRENT_SOURCE_DIR}/CMAKE/",
            "${CMAKE_CURRENT_SOURCE_DIR}/cmake/",
            "CBLAS/CMakeLists.txt",
            string=True,
        )