# Command that's part of sizediff.yml. This is put in a separate file so that it # still works after checking out the dev branch (that is, when going from LLVM # 16 to LLVM 17 for example, both Clang 16 and Clang 17 are installed). echo 'deb https://apt.llvm.org/noble/ llvm-toolchain-noble-18 main' | sudo tee /etc/apt/sources.list.d/llvm.list wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add - sudo apt-get update sudo apt-get install --no-install-recommends -y \ llvm-18-dev \ clang-18 \ libclang-18-dev \ lld-18