llvm-script

git clone https://github.com/ssu-csec/llvm-script && \
cd llvm-script && chmod +x *.sh && sudo ./llvm_install.sh

llvm_install.sh

• apt install

  • clang-<version>
  • lldb-<version>
  • lld-<version>
  • clangd-<version>

• update-alternatives

  • clang-<version> <- clang <- cc
  • clang++-<version> <- clang++ <- c++
  • ld.bfd <- ld (for rollback)
  • ld.lld-<version> <- ld.lld <- ld (higher priority)
  • lldb-<version> <- lldb

llvm_remove.sh

• apt remove

  • clang-<version>
  • lldb-<version>
  • lld-<version>
  • clangd-<version>

• update-alternatives

  • gcc <- cc
  • g++ <- c++
  • ld.bfd <- ld
  • (lldb is completely removed, so there's no rollback)

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MANUAL INSTALLATION WILL RUIN YOUR SYSTEM