Resolving dependencies... Configuring typesafe-endian-0.1.0.0... Building typesafe-endian-0.1.0.0... Failed to install typesafe-endian-0.1.0.0 Build log ( /home/builder/.cabal/logs/typesafe-endian-0.1.0.0.log ): cabal: Entering directory '/tmp/cabal-tmp-28885/typesafe-endian-0.1.0.0' Configuring typesafe-endian-0.1.0.0... Building typesafe-endian-0.1.0.0... Preprocessing library typesafe-endian-0.1.0.0... [1 of 4] Compiling Data.Endian.Wrap ( src/Data/Endian/Wrap.hs, dist/build/Data/Endian/Wrap.o ) [2 of 4] Compiling Data.Endian.Internal ( src/Data/Endian/Internal.hs, dist/build/Data/Endian/Internal.o ) [3 of 4] Compiling Data.Endian.Unsafe ( src/Data/Endian/Unsafe.hs, dist/build/Data/Endian/Unsafe.o ) src/Data/Endian/Unsafe.hs:37:12: error: Duplicate INLINE pragmas for ‘unsafeUnwrapBigEndian’ at src/Data/Endian/Unsafe.hs:32:12-32 src/Data/Endian/Unsafe.hs:37:12-32 cabal: Leaving directory '/tmp/cabal-tmp-28885/typesafe-endian-0.1.0.0' cabal: Error: some packages failed to install: typesafe-endian-0.1.0.0 failed during the building phase. The exception was: ExitFailure 1