Resolving dependencies... Downloading GlomeVec-0.2... Configuring abstract-par-0.3.3... Configuring SDL-0.6.5.1... Building abstract-par-0.3.3... Installed abstract-par-0.3.3 Configuring cereal-0.5.4.0... Building cereal-0.5.4.0... Building SDL-0.6.5.1... Configuring parallel-3.2.1.0... Installed cereal-0.5.4.0 Building parallel-3.2.1.0... Configuring primitive-0.6.1.0... Installed parallel-3.2.1.0 Building primitive-0.6.1.0... Configuring random-1.1... Installed SDL-0.6.5.1 Building random-1.1... Configuring mtl-2.2.1... Installed primitive-0.6.1.0 Building mtl-2.2.1... Configuring GlomeVec-0.2... Installed random-1.1 Building GlomeVec-0.2... Failed to install GlomeVec-0.2 Build log ( /home/builder/.cabal/logs/GlomeVec-0.2.log ): cabal: Entering directory '/tmp/cabal-tmp-5710/GlomeVec-0.2' Configuring GlomeVec-0.2... Warning: 'ghc-options: -prof' is not necessary and will lead to problems when used on a library. Use the configure flag --enable-library-profiling and/or --enable-profiling. Building GlomeVec-0.2... Preprocessing library GlomeVec-0.2... [1 of 2] Compiling Data.Glome.Vec ( Data/Glome/Vec.hs, dist/build/Data/Glome/Vec.o ) You are using an unsupported version of LLVM! Currently only 3.7 is supported. We will try though... opt: /tmp/ghc7363_0/ghc_2.ll:7:6: error: expected type !0 = !{!"top", null} ^ `opt' failed in phase `LLVM Optimiser'. (Exit code: 1) cabal: Leaving directory '/tmp/cabal-tmp-5710/GlomeVec-0.2' Configuring vector-0.11.0.0... Building vector-0.11.0.0... Configuring abstract-deque-0.3... Installed mtl-2.2.1 Building abstract-deque-0.3... Configuring monad-par-extras-0.3.3... Installed abstract-deque-0.3 Building monad-par-extras-0.3.3... Installed monad-par-extras-0.3.3 Installed vector-0.11.0.0 Configuring mwc-random-0.13.5.0... Building mwc-random-0.13.5.0... Installed mwc-random-0.13.5.0 Configuring monad-par-0.3.4.8... Building monad-par-0.3.4.8... Installed monad-par-0.3.4.8 cabal: Error: some packages failed to install: GlomeTrace-0.3 depends on GlomeVec-0.2 which failed to install. GlomeVec-0.2 failed during the building phase. The exception was: ExitFailure 1 GlomeView-0.2 depends on GlomeVec-0.2 which failed to install.