Resolving dependencies... Configuring syb-0.6... Building syb-0.6... Installed syb-0.6 Configuring hs-bibutils-0.1... Building hs-bibutils-0.1... Failed to install hs-bibutils-0.1 Build log ( /home/builder/.cabal/logs/hs-bibutils-0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-1999/hs-bibutils-0.1' Configuring hs-bibutils-0.1... Warning: 'ghc-options: -prof' is not necessary and will lead to problems when used on a library. Use the configure flag --enable-library-profiling and/or --enable-profiling. Building hs-bibutils-0.1... Preprocessing library hs-bibutils-0.1... Bibutils.hsc:364:23: fatal error: bibtexout.h: No such file or directory compilation terminated. compiling dist/build/Text/Bibutils_hsc_make.c failed (exit code 1) command was: /usr/bin/gcc -c dist/build/Text/Bibutils_hsc_make.c -o dist/build/Text/Bibutils_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 -Idist/build/autogen -include dist/build/autogen/cabal_macros.h -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-1999/hs-bibutils-0.1' cabal: Error: some packages failed to install: hs-bibutils-0.1 failed during the building phase. The exception was: ExitFailure 1