Resolving dependencies... [1 of 2] Compiling SetupWrapper ( /tmp/cairo-0.12.4-18888/cairo-0.12.4/SetupWrapper.hs, /tmp/cairo-0.12.4-18888/cairo-0.12.4/dist/setup/SetupWrapper.o ) [2 of 2] Compiling Main ( /tmp/cairo-0.12.4-18888/cairo-0.12.4/Setup.hs, /tmp/cairo-0.12.4-18888/cairo-0.12.4/dist/setup/Main.o ) Linking /tmp/cairo-0.12.4-18888/cairo-0.12.4/dist/setup/setup ... [1 of 2] Compiling Gtk2HsSetup ( Gtk2HsSetup.hs, dist/setup-wrapper/Gtk2HsSetup.o ) [2 of 2] Compiling Main ( SetupMain.hs, dist/setup-wrapper/Main.o ) Linking dist/setup-wrapper/setup ... Cannot find gtk2hsC2hs Please install `gtk2hs-buildtools` first and check that the install directory is in your PATH (e.g. HOME/.cabal/bin). Failed to install cairo-0.12.4 Configuring dph-seq-0.5.1.99... Building dph-seq-0.5.1.99... Preprocessing library dph-seq-0.5.1.99... In-place registering dph-seq-0.5.1.99... Running Haddock for dph-seq-0.5.1.99... Running hscolour for dph-seq-0.5.1.99... Preprocessing library dph-seq-0.5.1.99... Preprocessing library dph-seq-0.5.1.99... haddock: No input file(s). Installing library in /srv/hackage/var/build/tmp-install/lib/dph-seq-0.5.1.99/ghc-7.6.3 Registering dph-seq-0.5.1.99... Installed dph-seq-0.5.1.99 cabal: Error: some packages failed to install: cairo-0.12.4 failed during the configure step. The exception was: ExitFailure 1 hevolisa-dph-0.0.1 depends on cairo-0.12.4 which failed to install.