ihaskell-widgets and singletons >= 2.0

ghc-parser/Setup.hs

 import           Distribution.Simple
-import           System.Cmd
+import           System.Process
 
 main = defaultMainWithHooks
          simpleUserHooks { preConf = \args confFlags -> do

ihaskell-display/ihaskell-widgets/Examples/Image Widget.ipynb

@@ -68,7 +68,7 @@
     "jpg <- get \"http://imgs.xkcd.com/comics/functional.png\"\n",
     "\n",
     "img <- mkImageWidget\n",
-    "setField img SB64Value (encode64 jpg)\n",
+    "setField img B64Value (encode64 jpg)\n",
     "img"
    ]
   },

ihaskell-display/ihaskell-widgets/Examples/String Widgets.ipynb

@@ -28,6 +28,7 @@
    "outputs": [],
    "source": [
     "{-# LANGUAGE OverloadedStrings #-}\n",
+    "{-# LANGUAGE FlexibleContexts #-}\n",    
     "import IHaskell.Display.Widgets"
    ]
   },

ihaskell-display/ihaskell-widgets/ihaskell-widgets.cabal

@@ -95,20 +95,35 @@ library
   -- other-extensions:    
   
   -- Other library packages from which modules are imported.
-  build-depends:       aeson >=0.7 && < 0.11
-                     , base >=4.7 && <4.9
-                     , containers >= 0.5
-                     , ipython-kernel >= 0.6.1.2
-                     , text >= 0.11
-                     , unordered-containers -any
-                     , nats -any
-                     , vinyl >= 0.5
-                     , vector -any
-                     , singletons >= 0.9.0 && <2.0
-                     , scientific -any
-                     , unix -any
-
-                     , ihaskell >= 0.6.4.1
+  -- singletons 2.* require ghc 7.10.2
+  if impl(ghc >= 7.10.2)  
+    build-depends:       aeson >=0.7 && < 0.11
+                       , base >=4.7 && <4.9
+                       , containers >= 0.5
+                       , ipython-kernel >= 0.6.1.2
+                       , text >= 0.11
+                       , unordered-containers -any
+                       , nats -any
+                       , vinyl >= 0.5
+                       , vector -any
+                       , singletons >= 0.9.0 
+                       , scientific -any
+                       , unix -any
+                       , ihaskell >= 0.6.4.1
+  else
+    build-depends:       aeson >=0.7 && < 0.11
+                       , base >=4.7 && <4.9
+                       , containers >= 0.5
+                       , ipython-kernel >= 0.6.1.2
+                       , text >= 0.11
+                       , unordered-containers -any
+                       , nats -any
+                       , vinyl >= 0.5
+                       , vector -any
+                       , singletons >= 0.9.0 && <2.0
+                       , scientific -any
+                       , unix -any
+                       , ihaskell >= 0.6.4.1
   
   -- Directories containing source files.
   hs-source-dirs:      src

ihaskell-display/ihaskell-widgets/src/IHaskell/Display/Widgets/Singletons.hs

@@ -5,10 +5,13 @@
 {-# LANGUAGE UndecidableInstances #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE ScopedTypeVariables #-}
+{-# LANGUAGE InstanceSigs #-}
 
 module IHaskell.Display.Widgets.Singletons where
 
 import           Data.Singletons.TH
+import           Data.Singletons.Prelude.Ord
 
 -- Widget properties
 singletons

ubuntu-install.sh

@@ -11,6 +11,7 @@ cabal update
 cabal install happy alex
 cabal install cpphs
 cabal install gtk2hs-buildtools
+cabal install HTTP
 
 # Build ihaskell, and all the display packages
 ./build.sh all