From 5e99acdbf0bd7db0929d0bb2c27d6ca5b5144d4c Mon Sep 17 00:00:00 2001
From: Kostiantyn Rybnikov <k-bx@k-bx.com>
Date: Wed, 17 Jan 2018 00:20:22 +0200
Subject: [PATCH 1/3] Add a Semigroup instance

---
 Database/MySQL/Base/Types.hsc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Database/MySQL/Base/Types.hsc b/Database/MySQL/Base/Types.hsc
index a1c2821..f618d1a 100644
--- a/Database/MySQL/Base/Types.hsc
+++ b/Database/MySQL/Base/Types.hsc
@@ -54,6 +54,7 @@ import Data.ByteString.Internal (create, memcpy)
 import Data.List (intercalate)
 import Data.Maybe (catMaybes)
 import Data.Monoid (Monoid(..))
+import Data.Semigroup (Semigroup(..))
 import Data.Typeable (Typeable)
 import Data.Word (Word, Word8)
 import Foreign.C.Types (CChar, CInt, CUInt, CULong)
@@ -171,10 +172,14 @@ instance Show FieldFlags where
 
 type FieldFlag = FieldFlags
 
+instance Semigroup FieldFlags where
+    (<>) (FieldFlags a) (FieldFlags b) = FieldFlags (a .|. b)
+    {-# INLINE (<>) #-}
+
 instance Monoid FieldFlags where
     mempty = FieldFlags 0
     {-# INLINE mempty #-}
-    mappend (FieldFlags a) (FieldFlags b) = FieldFlags (a .|. b)
+    mappend = (<>)
     {-# INLINE mappend #-}
 
 flagNotNull, flagPrimaryKey, flagUniqueKey, flagMultipleKey :: FieldFlag

From 32e5577546524978402e8e6bebe6bb7c6b227bd6 Mon Sep 17 00:00:00 2001
From: Kostiantyn Rybnikov <k-bx@k-bx.com>
Date: Wed, 17 Jan 2018 00:20:30 +0200
Subject: [PATCH 2/3] Add an lts-10.3 setup in Travis

---
 .travis.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 279d2bc..f0b1a57 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,6 +24,8 @@ matrix:
     compiler: ": # lts-6"
   - env: ARGS="--resolver lts-7"
     compiler: ": # lts-7"
+  - env: ARGS="--resolver lts-10"
+    compiler: ": # lts-10"
   - env: ARGS="--resolver nightly"
     compiler: ": # nightly"
   - env: ARGS="--resolver lts"

From 96d66a05f0b6ac4a4d14e69b8e304aa38fc24e87 Mon Sep 17 00:00:00 2001
From: Kostiantyn Rybnikov <k-bx@k-bx.com>
Date: Thu, 18 Jan 2018 12:32:23 +0200
Subject: [PATCH 3/3] Conditionally depend upon semigroups

---
 mysql.cabal | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mysql.cabal b/mysql.cabal
index da0fb80..057d86a 100644
--- a/mysql.cabal
+++ b/mysql.cabal
@@ -51,6 +51,9 @@ library
     base       < 5,
     bytestring >= 0.9 && < 1.0,
     containers
+  if !impl(ghc >= 8.0)
+    build-depends:
+      semigroups >= 0.11 && < 0.19
 
   ghc-options: -Wall
   if impl(ghc >= 6.8)