如果编译EOS出现以下错误
Checking for LLVM with WASM support.
Installing LLVM & WASM
fatal: destination path 'llvm' already exists and is not an empty directory.
Unable to clone llvm repo @ https://github.com/llvm-mirror/llvm.git.
Exiting now.
解决方案
cd /opt
rm -rf llvm
cd /tmp
root@DESKTOP-H6EG47U:/tmp# rm -rf llvm-compiler/