The download is from LLVM Download Page
steps:
- Unpack the file in a new directory and move the files
mkdir temp
cd temp
tar xf ~/Downloads/clang+llvm-11.0.0-aarch64-linux-gnu.tar.xz
sudo mkdir -p /usr/lib/llvm-11/
sudo mv clang+llvm-11.0.0-aarch64-linux-gnu/* /usr/lib/llvm-11/
That’s all for being able to use it to compile pocl.