From 93a9a17f9a0f96deb6e7c1ebce4ad75444aa1a76 Mon Sep 17 00:00:00 2001
From: Oleg Grenrus <oleg.grenrus@iki.fi>
Date: Tue, 11 Oct 2016 19:35:36 +0300
Subject: [PATCH] Don't depend on semigroups on GHC >=8.0

---
 servant/servant.cabal | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/servant/servant.cabal b/servant/servant.cabal
index 8b2afc00..f273b176 100644
--- a/servant/servant.cabal
+++ b/servant/servant.cabal
@@ -60,11 +60,15 @@ library
     , http-types            >= 0.8  && < 0.10
     , mtl                   >= 2.0  && < 2.3
     , mmorph                >= 1    && < 1.1
-    , semigroups            >= 0.16 && < 0.19
     , text                  >= 1    && < 1.3
     , string-conversions    >= 0.3  && < 0.5
     , network-uri           >= 2.6  && < 2.7
     , vault                 >= 0.3  && < 0.4
+
+  if !impl(ghc >= 8.0)
+    build-depends:
+      semigroups            >= 0.16 && < 0.19
+
   hs-source-dirs: src
   default-language: Haskell2010
   other-extensions: CPP