Resolving dependencies... Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring cabal-rpm-0.5... Building cabal-rpm-0.5... Failed to install cabal-rpm-0.5 Build log ( /home/builder/.cabal/logs/cabal-rpm-0.5.log ): cabal: Entering directory '/tmp/cabal-tmp-10593/cabal-rpm-0.5' Configuring cabal-rpm-0.5... Building cabal-rpm-0.5... Preprocessing executable 'cabal-rpm' for cabal-rpm-0.5... [1 of 5] Compiling Distribution.Package.Rpm.Setup ( src/Distribution/Package/Rpm/Setup.hs, dist/build/cabal-rpm/cabal-rpm-tmp/Distribution/Package/Rpm/Setup.o ) src/Distribution/Package/Rpm/Setup.hs:22:35: error: Module ‘Distribution.Simple.Setup’ does not export ‘defaultCompilerFlavor’ src/Distribution/Package/Rpm/Setup.hs:22:58: error: Module ‘Distribution.Simple.Setup’ does not export ‘CompilerFlavor(..)’ cabal: Leaving directory '/tmp/cabal-tmp-10593/cabal-rpm-0.5' cabal: Error: some packages failed to install: cabal-rpm-0.5 failed during the building phase. The exception was: ExitFailure 1