Resolving dependencies... [1 of 1] Compiling Main ( /tmp/SDL-0.6.5-17353/SDL-0.6.5/Setup.lhs, /tmp/SDL-0.6.5-17353/SDL-0.6.5/dist/setup/Main.o ) Linking /tmp/SDL-0.6.5-17353/SDL-0.6.5/dist/setup/setup ... Configuring SDL-0.6.5... configure: WARNING: unrecognized options: --with-compiler, --with-gcc checking for sdl-config... no checking for sdl11-config... no configure: error: *** SDL not found! Get SDL from www.libsdl.org. If you already installed it, check it's in the path. If problem remains, please send a mail to the address that appears in ./configure --version indicating your platform, the version of configure script and the problem. Failed to install SDL-0.6.5 Configuring parallel-3.2.0.4... Building parallel-3.2.0.4... Preprocessing library parallel-3.2.0.4... [1 of 3] Compiling Control.Parallel ( Control/Parallel.hs, dist/build/Control/Parallel.o ) [2 of 3] Compiling Control.Seq ( Control/Seq.hs, dist/build/Control/Seq.o ) [3 of 3] Compiling Control.Parallel.Strategies ( Control/Parallel/Strategies.hs, dist/build/Control/Parallel/Strategies.o ) In-place registering parallel-3.2.0.4... Running Haddock for parallel-3.2.0.4... Running hscolour for parallel-3.2.0.4... Preprocessing library parallel-3.2.0.4... Preprocessing library parallel-3.2.0.4... Warning: The documentation for the following packages are not installed. No links will be generated to these packages: rts-1.0 Haddock coverage: 100% ( 3 / 3) in 'Control.Parallel' 72% ( 21 / 29) in 'Control.Seq' 81% ( 68 / 84) in 'Control.Parallel.Strategies' Documentation created: dist/doc/html/parallel/index.html Installing library in /srv/hackage/var/build/tmp-install/lib/parallel-3.2.0.4/ghc-7.6.3 Registering parallel-3.2.0.4... Installed parallel-3.2.0.4 cabal: Error: some packages failed to install: SDL-0.6.5 failed during the configure step. The exception was: ExitFailure 1 brians-brain-0.0.1 depends on SDL-0.6.5 which failed to install.