Resolving dependencies...
cabal: Could not resolve dependencies:
trying: llvm-extra-0.6.0.1 (user goal)
trying: transformers-0.5.2.0/installed-0.5... (dependency of
llvm-extra-0.6.0.1)
next goal: llvm-tf (dependency of llvm-extra-0.6.0.1)
rejecting: llvm-tf-3.0.3.1 (conflict: transformers==0.5.2.0/installed-0.5...,
llvm-tf => transformers>=0.3 && <0.5)
rejecting: llvm-tf-3.0.2, llvm-tf-3.0.1, llvm-tf-3.0.0.2, llvm-tf-3.0.0.1,
llvm-tf-3.0.0.0.2, llvm-tf-3.0.0.0.1, llvm-tf-3.0.0.0 (conflict: llvm-extra =>
llvm-tf>=3.0.3 && <3.0.4)
Dependency tree exhaustively searched.