Resolving dependencies... Configuring mtl-2.2.1... Configuring setenv-0.1.1.3... Building setenv-0.1.1.3... Building mtl-2.2.1... Installed setenv-0.1.1.3 Configuring utf8-string-1.0.1.1... Building utf8-string-1.0.1.1... Configuring text-1.2.2.1... Installed mtl-2.2.1 Building text-1.2.2.1... Installed utf8-string-1.0.1.1 Installed text-1.2.2.1 Configuring parsec-3.1.11... Building parsec-3.1.11... Installed parsec-3.1.11 Configuring llvm-general-pure-3.4.1.0... Building llvm-general-pure-3.4.1.0... Failed to install llvm-general-pure-3.4.1.0 Build log ( /home/builder/.cabal/logs/llvm-general-pure-3.4.1.0.log ): cabal: Entering directory '/tmp/cabal-tmp-14594/llvm-general-pure-3.4.1.0' [1 of 1] Compiling Main ( /tmp/cabal-tmp-14594/llvm-general-pure-3.4.1.0/dist/setup/setup.hs, /tmp/cabal-tmp-14594/llvm-general-pure-3.4.1.0/dist/setup/Main.o ) Linking /tmp/cabal-tmp-14594/llvm-general-pure-3.4.1.0/dist/setup/setup ... Configuring llvm-general-pure-3.4.1.0... Building llvm-general-pure-3.4.1.0... Preprocessing library llvm-general-pure-3.4.1.0... [ 1 of 21] Compiling LLVM.General.Internal.PrettyPrint ( src/LLVM/General/Internal/PrettyPrint.hs, dist/build/LLVM/General/Internal/PrettyPrint.o ) src/LLVM/General/Internal/PrettyPrint.hs:166:19: error: • The constructor ‘DataD’ should have 6 arguments, but has been given 5 • In the pattern: DataD _ _ tvb cons _ In the pattern: TyConI (DataD _ _ tvb cons _) In a case alternative: TyConI (DataD _ _ tvb cons _) -> (tvb, cons) src/LLVM/General/Internal/PrettyPrint.hs:192:18: error: • The constructor ‘DataConI’ should have 3 arguments, but has been given 4 • In the pattern: DataConI _ _ _ (Fixity prec _) In a stmt of a 'do' block: DataConI _ _ _ (Fixity prec _) <- reify conName In the expression: do { DataConI _ _ _ (Fixity prec _) <- reify conName; let ns = ...; [p0, p1] <- mapM (const $ newName "f") ns; let ss = ...; .... } cabal: Leaving directory '/tmp/cabal-tmp-14594/llvm-general-pure-3.4.1.0' cabal: Error: some packages failed to install: llvm-general-3.4.1.0 depends on llvm-general-pure-3.4.1.0 which failed to install. llvm-general-pure-3.4.1.0 failed during the building phase. The exception was: ExitFailure 1