Resolving dependencies...
Configuring mtl-2.2.1...
Configuring primitive-0.6.2.0...
Building mtl-2.2.1...
Building primitive-0.6.2.0...
Configuring stm-2.4.4.1...
Installed mtl-2.2.1
Building stm-2.4.4.1...
Configuring transformers-compat-0.5.1.4...
Installed primitive-0.6.2.0
Installed stm-2.4.4.1
Configuring atomic-primops-0.8.1...
Building transformers-compat-0.5.1.4...
Building atomic-primops-0.8.1...
Installed transformers-compat-0.5.1.4
Configuring exceptions-0.8.3...
Building exceptions-0.8.3...
Configuring transformers-base-0.4.4...
Installed atomic-primops-0.8.1
Building transformers-base-0.4.4...
Installed transformers-base-0.4.4
Configuring monad-control-1.0.2.2...
Building monad-control-1.0.2.2...
Installed exceptions-0.8.3
Installed monad-control-1.0.2.2
Downloading concurrency-1.2.3.0...
Configuring concurrency-1.2.3.0...
Building concurrency-1.2.3.0...
Installed concurrency-1.2.3.0