Add clang to readme

README.md

@@ -67,7 +67,7 @@ Building FLAME GPU has the following requirements. There are also optional depen
 + C++17 capable C++ compiler (host), compatible with the installed CUDA version
   + [Microsoft Visual Studio 2019 or 2022](https://visualstudio.microsoft.com/) (Windows)
     + *Note:* Visual Studio must be installed before the CUDA toolkit is installed. See the [CUDA installation guide for Windows](https://docs.nvidia.com/cuda/cuda-installation-guide-microsoft-windows/index.html) for more information.
-  + [make](https://www.gnu.org/software/make/) and [GCC](https://gcc.gnu.org/) `>= 8.1` (Linux)
+  + [make](https://www.gnu.org/software/make/) and [GCC](https://gcc.gnu.org/) `>= 8.1` or [Clang](https://clang.llvm.org/) `>= 9` (Linux)
 + [git](https://git-scm.com/)
 
 Optionally: