Resolving dependencies... Configuring mtl-2.2.1... Configuring old-locale-1.0.0.7... Building mtl-2.2.1... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring utf8-string-0.3.7... Building utf8-string-0.3.7... Configuring zlib-0.5.4.2... Installed mtl-2.2.1 Building zlib-0.5.4.2... Installed utf8-string-0.3.7 Configuring glib-0.12.5.4... Configuring cairo-0.12.5.3... Failed to install glib-0.12.5.4 Build log ( /home/builder/.cabal/logs/glib-0.12.5.4.log ): cabal: Entering directory '/tmp/cabal-tmp-8763/glib-0.12.5.4' cabal: Leaving directory '/tmp/cabal-tmp-8763/glib-0.12.5.4' Failed to install cairo-0.12.5.3 Build log ( /home/builder/.cabal/logs/cairo-0.12.5.3.log ): cabal: Entering directory '/tmp/cabal-tmp-8762/cairo-0.12.5.3' cabal: Leaving directory '/tmp/cabal-tmp-8762/cairo-0.12.5.3' Installed zlib-0.5.4.2 cabal: Error: some packages failed to install: cairo-0.12.5.3 failed during the configure step. The exception was: user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error: /tmp/cabal-tmp-8762/cairo-0.12.5.3/SetupWrapper.hs:60:49: error: Ambiguous occurrence ‘exeExtension’ It could refer to either ‘Distribution.Simple.BuildPaths.exeExtension’, imported from ‘Distribution.Simple.BuildPaths’ at /tmp/cabal-tmp-8762/cairo-0.12.5.3/SetupWrapper.hs:11:40-51 or ‘System.Directory.exeExtension’, imported from ‘System.Directory’ at /tmp/cabal-tmp-8762/cairo-0.12.5.3/SetupWrapper.hs:23:1-23 (and originally defined in ‘directory-1.2.6.2:System.Directory.Internal.Config’) /tmp/cabal-tmp-8762/cairo-0.12.5.3/SetupWrapper.hs:91:17: error: Ambiguous occurrence ‘die’ It could refer to either ‘Distribution.Simple.Utils.die’, imported from ‘Distribution.Simple.Utils’ at /tmp/cabal-tmp-8762/cairo-0.12.5.3/SetupWrapper.hs:8:1-32 or ‘System.Exit.die’, imported from ‘System.Exit’ at /tmp/cabal-tmp-8762/cairo-0.12.5.3/SetupWrapper.hs:21:1-18 ) gio-0.12.5.3 depends on glib-0.12.5.4 which failed to install. glib-0.12.5.4 failed during the configure step. The exception was: user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error: /tmp/cabal-tmp-8763/glib-0.12.5.4/SetupWrapper.hs:60:49: error: Ambiguous occurrence ‘exeExtension’ It could refer to either ‘Distribution.Simple.BuildPaths.exeExtension’, imported from ‘Distribution.Simple.BuildPaths’ at /tmp/cabal-tmp-8763/glib-0.12.5.4/SetupWrapper.hs:11:40-51 or ‘System.Directory.exeExtension’, imported from ‘System.Directory’ at /tmp/cabal-tmp-8763/glib-0.12.5.4/SetupWrapper.hs:23:1-23 (and originally defined in ‘directory-1.2.6.2:System.Directory.Internal.Config’) /tmp/cabal-tmp-8763/glib-0.12.5.4/SetupWrapper.hs:91:17: error: Ambiguous occurrence ‘die’ It could refer to either ‘Distribution.Simple.Utils.die’, imported from ‘Distribution.Simple.Utils’ at /tmp/cabal-tmp-8763/glib-0.12.5.4/SetupWrapper.hs:8:1-32 or ‘System.Exit.die’, imported from ‘System.Exit’ at /tmp/cabal-tmp-8763/glib-0.12.5.4/SetupWrapper.hs:21:1-18 ) gtk-0.12.5.7 depends on glib-0.12.5.4 which failed to install. haskell-pdf-presenter-0.2.3 depends on glib-0.12.5.4 which failed to install. pango-0.12.5.3 depends on glib-0.12.5.4 which failed to install. poppler-0.12.2.2 depends on glib-0.12.5.4 which failed to install.