The deb package 'clang' refers to 8.0 in the manually added llvm repos, but 3.8 in the default xenial llvm apt repo.
This caused a conflict when trying to install the standard 'clang' package.
Also, apt repos for clang 5.0 and 6.0 are already available as default in ubuntu xenial
The deb package 'clang' refers to 8.0 in the manually added llvm repos, but 3.8 in the default xenial llvm apt repo. This caused a conflict when trying to install the standard 'clang' package.
Also, apt repos for clang 5.0 and 6.0 are already available as default in ubuntu xenial