Add llvm-config to update-alternatives in Dockerfile

Author: sheenisme

Dockerfile

@@ -96,6 +96,7 @@ RUN apt update && apt install -y \
     libclang-${LLVM_VERSION}-dev && \
     update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${LLVM_VERSION} 100 && \
     update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-${LLVM_VERSION} 100 && \
+    update-alternatives --install /usr/bin/llvm-config llvm-config /usr/bin/llvm-config-${LLVM_VERSION} 100 && \
     update-alternatives --install /usr/bin/lld lld /usr/bin/lld-${LLVM_VERSION} 100 && \
     update-alternatives --install /usr/bin/lldb lldb /usr/bin/lldb-${LLVM_VERSION} 100 && \
     update-alternatives --install /usr/bin/clangd clangd /usr/bin/clangd-${LLVM_VERSION} 100
@@ -208,4 +209,4 @@ RUN cp /home/${USER_NAME}/.zshrc /etc/skel/.zshrc && \
 EXPOSE 22
 
 # Start SSH server as the main process
-CMD ["/usr/sbin/sshd", "-D"]
+CMD ["/usr/sbin/sshd", "-D"]