Resolving dependencies... Configuring libltdl-0.1... Failed to install libltdl-0.1 Build log ( /home/builder/.cabal/logs/libltdl-0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-24327/libltdl-0.1' [1 of 1] Compiling Main ( /tmp/cabal-tmp-24327/libltdl-0.1/dist/setup/setup.hs, /tmp/cabal-tmp-24327/libltdl-0.1/dist/setup/Main.o ) Linking /tmp/cabal-tmp-24327/libltdl-0.1/dist/setup/setup ... Configuring libltdl-0.1... setup: configure script not found. cabal: Leaving directory '/tmp/cabal-tmp-24327/libltdl-0.1' cabal: Error: some packages failed to install: libltdl-0.1 failed during the configure step. The exception was: ExitFailure 1