Resolving dependencies... Configuring random-1.1... Building random-1.1... Installed random-1.1 Configuring htestu-0.1.1.0... Building htestu-0.1.1.0... Failed to install htestu-0.1.1.0 Build log ( /home/builder/.cabal/logs/htestu-0.1.1.0.log ): cabal: Entering directory '/tmp/cabal-tmp-19444/htestu-0.1.1.0' Configuring htestu-0.1.1.0... Warning: Packages using 'cabal-version: >= 1.10' must specify the 'default-language' field for each component (e.g. Haskell98 or Haskell2010). If a component uses different languages in different modules then list the other ones in the 'other-languages' field. Warning: 'include-dirs: cbits/testu/include' directory does not exist. Building htestu-0.1.1.0... Preprocessing library htestu-0.1.1.0... BatteryResult.hsc:12:22: fatal error: bbattery.h: No such file or directory compilation terminated. compiling dist/build/Test/HTestU/BatteryResult_hsc_make.c failed (exit code 1) command was: /usr/bin/gcc -c dist/build/Test/HTestU/BatteryResult_hsc_make.c -o dist/build/Test/HTestU/BatteryResult_hsc_make.o -fno-stack-protector -fno-stack-protector -D__GLASGOW_HASKELL__=800 -Dlinux_BUILD_OS=1 -Dx86_64_BUILD_ARCH=1 -Dlinux_HOST_OS=1 -Dx86_64_HOST_ARCH=1 -Icbits/testu/include -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -I/opt/ghc/8.0.2/lib/ghc-8.0.1.20161018/time-1.6.0.1/include -I/opt/ghc/8.0.2/lib/ghc-8.0.1.20161018/base-4.9.0.0/include -I/opt/ghc/8.0.2/lib/ghc-8.0.1.20161018/integer-gmp-1.0.0.1/include -I/opt/ghc/8.0.2/lib/ghc-8.0.1.20161018/include -I/opt/ghc/8.0.2/lib/ghc-8.0.1.20161018/include/ cabal: Leaving directory '/tmp/cabal-tmp-19444/htestu-0.1.1.0' cabal: Error: some packages failed to install: htestu-0.1.1.0 failed during the building phase. The exception was: ExitFailure 1