Depend on semigroups only on GHC < 8.0

They are not needed on newer GHC.
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Felix Yan 2020-08-11 17:40:27 +08:00 committed by GitHub
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commit e61a408e9d
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@ -66,8 +66,9 @@ library
unix,
X11>=1.6.1 && < 1.10,
xmonad >= 0.15 && < 0.16,
utf8-string,
semigroups
utf8-string
if impl(ghc < 8.0)
build-depends: semigroups
if flag(use_xft)
build-depends: X11-xft >= 0.2