Resolving dependencies...
Configuring llvm-base-3.0.1.0...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Configuring tfp-0.7...
Failed to install llvm-base-3.0.1.0
Build log ( /home/builder/.cabal/logs/llvm-base-3.0.1.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-20344/llvm-base-3.0.1.0'
cabal: Leaving directory '/tmp/cabal-tmp-20344/llvm-base-3.0.1.0'
Building tfp-0.7...
Installed mtl-2.2.1
Installed tfp-0.7
cabal: Error: some packages failed to install:
llvm-base-3.0.1.0 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-20344/llvm-base-3.0.1.0/dist/setup/setup.hs:87:36: error:
Not in scope: ‘libraryConfig’
)
llvm-tf-3.0.0.0.2 depends on llvm-base-3.0.1.0 which failed to install.