This patch is required for xmonad to make use of shared libraries.
Without it, xmonad will not work since we do not (by default) use
statically linked Haskell libraries.

diff -ruN xmonad-0.15-a/src/XMonad/Core.hs xmonad-0.15-b/src/XMonad/Core.hs
--- xmonad-0.15-a/src/XMonad/Core.hs	1969-12-31 19:00:00.000000000 -0500
+++ xmonad-0.15-b/src/XMonad/Core.hs	1969-12-31 19:00:00.000000000 -0500
@@ -681,6 +681,8 @@
        compileGHC bin dir errHandle =
          runProcess "ghc" ["--make"
                           , "xmonad.hs"
+                          , "-dynamic"
+                          , "-fPIC"
                           , "-i"
                           , "-ilib"
                           , "-fforce-recomp"
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<tr><td><span title='2022-03-01 13:18:01 -0500'>2022-03-01</span></td><td><a href='/guix/commit/CODE-OF-CONDUCT?id=c67912011154e2b347cdf6f3e633e87fd44f409c'>CODE-OF-CONDUCT: Add a top notice.</a><span class='msg-avail'>...<span class='msg-tooltip'>* CODE-OF-CONDUCT: Add a top notice.
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