Resolving dependencies... Configuring thread-local-storage-0.1.0.0... Building thread-local-storage-0.1.0.0... Failed to install thread-local-storage-0.1.0.0 Build log ( /home/builder/.cabal/logs/thread-local-storage-0.1.0.0.log ): cabal: Entering directory '/tmp/cabal-tmp-3793/thread-local-storage-0.1.0.0' Configuring thread-local-storage-0.1.0.0... Building thread-local-storage-0.1.0.0... Preprocessing library thread-local-storage-0.1.0.0... Data/TLS/GHC.hs:26:0: error: fatal error: TLS_Sig.hs: No such file or directory #include "TLS_Sig.hs" ^ compilation terminated. `gcc' failed in phase `C pre-processor'. (Exit code: 1) cabal: Leaving directory '/tmp/cabal-tmp-3793/thread-local-storage-0.1.0.0' cabal: Error: some packages failed to install: thread-local-storage-0.1.0.0 failed during the building phase. The exception was: ExitFailure 1