llvm-rs-cc is missing Android Studio

Go to your Android/SDK/build-tools Folder

You will see folders named like :

21.1.2

23.0.3

25.0.1

Check whether llvm-rs-cc is Present in all the Folders, Delete the folder(s) where llvm-rs-cc is missing.

This will definitely Fix your Issue. Cheers...

I had this issue using WSL, as I had installed the build-tools through windows the llvm-rs-cc file had the expected .exe extension.

To resolve all that was needed was a symbolic link allowing build tools that think they're running in linux to find the file:

//$ANDROID_HOME/build-tools/x.y.z/

ln -s llvm-rs-cc.exe llvm-rs-cc