Resolving dependencies... Configuring old-locale-1.0.0.7... Configuring primitive-0.6.2.0... Building primitive-0.6.2.0... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring random-1.1... Building random-1.1... Configuring old-time-1.1.0.3... Installed random-1.1 Building old-time-1.1.0.3... Installed primitive-0.6.2.0 Configuring tf-random-0.5... Building tf-random-0.5... Installed old-time-1.1.0.3 Installed tf-random-0.5 Configuring QuickCheck-2.9.2... Building QuickCheck-2.9.2... Installed QuickCheck-2.9.2 Configuring pathtype-0.5... Building pathtype-0.5... Failed to install pathtype-0.5 Build log ( /home/builder/.cabal/logs/pathtype-0.5.log ): cabal: Entering directory '/tmp/cabal-tmp-12916/pathtype-0.5' Configuring pathtype-0.5... Building pathtype-0.5... Preprocessing library pathtype-0.5... System/Path/Posix.hs:18:0: error: fatal error: Internal.hs: No such file or directory #include "Internal.hs" ^ compilation terminated. `gcc' failed in phase `C pre-processor'. (Exit code: 1) cabal: Leaving directory '/tmp/cabal-tmp-12916/pathtype-0.5' cabal: Error: some packages failed to install: pathtype-0.5 failed during the building phase. The exception was: ExitFailure 1