updated mempty build error; updated cabal file to remove depricated flens flag

Signed-off-by: buckie <wjmartino@gmail.com>

Author: buckie

.gitignore

@@ -1,2 +1,3 @@
 /dist/
+dump/
 .stack-work/

src/Data/Thyme/Clock/TAI.hs

@@ -41,6 +41,9 @@ import Prelude
 #if !MIN_VERSION_base(4,8,0)
 import Control.Applicative
 #endif
+#if __GLASGOW_HASKELL__ < 710
+import Data.Monoid (mappend)
+#endif
 import Control.DeepSeq
 import Control.Lens
 import Control.Monad
@@ -354,4 +357,3 @@ utcToTAITime = view . absoluteTime
 {-# INLINE taiToUTCTime #-}
 taiToUTCTime :: TAIUTCMap -> AbsoluteTime -> UTCTime
 taiToUTCTime = review . absoluteTime
-

src/Data/Thyme/Format.hs

@@ -30,6 +30,9 @@ import Control.Applicative
 #if SHOW_INTERNAL
 import Control.Arrow
 #endif
+#if __GLASGOW_HASKELL__ < 710
+import Data.Monoid (mappend)
+#endif
 import Control.Lens
 import Control.Monad.Trans
 import Control.Monad.State.Strict

thyme.cabal

@@ -32,7 +32,7 @@ flag bug-for-bug
     manual: True
 
 flag docs
-    description: include extra packages for Data.Thyme.Docs; implies -flens
+    description: include extra packages for Data.Thyme.Docs
     default: False
     manual: True