I installed the Haskell Platform (7.0.2) earlier, and I just downloaded package soegtk with cabal, apparently unsuccessfully. Any suggestions? Michael [michael@sabal ~]$ cabal update Config file path source is default config file. Config file /home/michael/.cabal/config not found. Writing default configuration to /home/michael/.cabal/config Downloading the latest package list from hackage.haskell.org [michael@sabal ~]$ cabal list SOE * soegtk     Synopsis: GUI functions as used in the book "The Haskell School of               Expression".     Default available version: 0.11.1     Installed versions: [ Not installed ]     Homepage: http://www.haskell.org/gtk2hs/     License:  LGPL-2.1 [michael@sabal ~]$ cabal install soegtk Resolving dependencies... Downloading cairo-0.11.1... /tmp/cairo-0.11.12906/cairo-0.11.1/Gtk2HsSetup.hs:25:2:      warning: #warning Setup.hs is guessing the version of Cabal. If compilation of Setup.hs fails use -DCABAL_VERSION_MINOR=x for Cabal version 1.x.0 when building (prefixed by --ghc-option= when using the 'cabal' command) [-Wcpp] [1 of 2] Compiling Gtk2HsSetup      ( /tmp/cairo-0.11.12906/cairo-0.11.1/Gtk2HsSetup.hs, /tmp/cairo-0.11.12906/cairo-0.11.1/dist/setup/Gtk2HsSetup.o ) /tmp/cairo-0.11.12906/cairo-0.11.1/Gtk2HsSetup.hs:190:70:     Couldn't match expected type `[PackageDB]'                 with actual type `PackageDB'     Expected type: PackageDBStack       Actual type: PackageDB     In the sixth argument of `registerPackage', namely `packageDb'     In the expression:       registerPackage         verbosity installedPkgInfo pkg lbi inplace packageDb Downloading glib-0.11.2... /tmp/glib-0.11.22906/glib-0.11.2/Gtk2HsSetup.hs:25:2:      warning: #warning Setup.hs is guessing the version of Cabal. If compilation of Setup.hs fails use -DCABAL_VERSION_MINOR=x for Cabal version 1.x.0 when building (prefixed by --ghc-option= when using the 'cabal' command) [-Wcpp] [1 of 2] Compiling Gtk2HsSetup      ( /tmp/glib-0.11.22906/glib-0.11.2/Gtk2HsSetup.hs, /tmp/glib-0.11.22906/glib-0.11.2/dist/setup/Gtk2HsSetup.o ) /tmp/glib-0.11.22906/glib-0.11.2/Gtk2HsSetup.hs:190:70:     Couldn't match expected type `[PackageDB]'                 with actual type `PackageDB'     Expected type: PackageDBStack       Actual type: PackageDB     In the sixth argument of `registerPackage', namely `packageDb'     In the expression:       registerPackage         verbosity installedPkgInfo pkg lbi inplace packageDb cabal: Error: some packages failed to install: cairo-0.11.1 failed during the configure step. The exception was: ExitFailure 1 gio-0.11.1 depends on glib-0.11.2 which failed to install. glib-0.11.2 failed during the configure step. The exception was: ExitFailure 1 gtk-0.11.2 depends on glib-0.11.2 which failed to install. pango-0.11.2 depends on glib-0.11.2 which failed to install. soegtk-0.11.1 depends on glib-0.11.2 which failed to install. [michael@sabal ~]$