Does this patch still have warnings with ghc-6.12 with respect to the #include, (that it no longer has any effect, though hsc2hs needs it, as there seems to be no good way to pass it the appropriate --include flag) or did you address that?
Still has problems with #include on 6.12. I don't know how to get rid of it, sorry.
Just tried under 6.12.1 - and xmonad-contrib builds cleanly with it! However, if I try to run hsc2hs and then ghc on this file separately - then yes, the warning is there, together with 2 other warnins about discarded do-notation statements that don't even exist in my source: /usr/local/bin/ghc -Wall -c PerWindowKbdLayout.hs PerWindowKbdLayout.hs:1:11: Warning: -#include is deprecated: No longer has any effect PerWindowKbdLayout.hsc:109:4: Warning: A do-notation statement discarded a result of type CInt. Suppress this warning by saying "_ <- xkbGetState d (256) stRecPtr", or by using the flag -fno-warn-unused-do-bind PerWindowKbdLayout.hsc:126:4: Warning: A do-notation statement discarded a result of type Maybe (). Suppress this warning by saying "_ <- ($) traverse update fmap W.focus mst", or by using the flag -fno-warn-unused-do-bind Which makes me think that running ghc on this file separately like this isn't valid. If this is really important, {-# OPTIONS_GHC -fno-warn-deprecated-flags #-} removes the #include warning.