Merge pull request #108 from nh2/ghc-8.2-and-cabal-2.0

Compatibility with GHC 8.2 and Cabal 2.0.

Setup.hs

@@ -2,17 +2,19 @@
 {-# OPTIONS_GHC -Wall #-}
 module Main (main) where
 
-import Data.List ( nub )
+import Distribution.Package ( PackageName, Package, PackageId, InstalledPackageId, packageVersion, packageName, unPackageName )
-import Data.Version ( showVersion )
-import Distribution.Package ( PackageName(PackageName), Package, PackageId, InstalledPackageId, packageVersion, packageName )
 import Distribution.PackageDescription ( PackageDescription(), TestSuite(..) )
 import Distribution.Simple ( defaultMainWithHooks, UserHooks(..), simpleUserHooks )
-import Distribution.Simple.Utils ( rewriteFile, createDirectoryIfMissingVerbose, copyFiles )
+import Distribution.Simple.Utils ( rewriteFile, createDirectoryIfMissingVerbose, copyFiles, ordNub )
 import Distribution.Simple.BuildPaths ( autogenModulesDir )
 import Distribution.Simple.Setup ( BuildFlags(buildVerbosity), Flag(..), fromFlag, HaddockFlags(haddockDistPref))
 import Distribution.Simple.LocalBuildInfo ( withLibLBI, withTestLBI, LocalBuildInfo(), ComponentLocalBuildInfo(componentPackageDeps) )
 import Distribution.Text ( display )
+import Distribution.Types.MungedPackageId ( MungedPackageId(mungedName, mungedVersion) )
+import Distribution.Types.MungedPackageName ( MungedPackageName, unMungedPackageName )
+import Distribution.Types.UnqualComponentName ( unUnqualComponentName )
 import Distribution.Verbosity ( Verbosity, normal )
+import Distribution.Version ( showVersion )
 import System.FilePath ( (</>) )
 
 main :: IO ()
@@ -28,15 +30,16 @@ generateBuildModule verbosity pkg lbi = do
   createDirectoryIfMissingVerbose verbosity True dir
   withLibLBI pkg lbi $ \_ libcfg -> do
     withTestLBI pkg lbi $ \suite suitecfg -> do
-      rewriteFile (dir </> "Build_" ++ testName suite ++ ".hs") $ unlines
+      let testSuiteName = unUnqualComponentName (testName suite)
-        [ "module Build_" ++ testName suite ++ " where"
+      rewriteFile (dir </> "Build_" ++ testSuiteName ++ ".hs") $ unlines
+        [ "module Build_" ++ testSuiteName ++ " where"
         , "deps :: [String]"
         , "deps = " ++ (show $ formatdeps (testDeps libcfg suitecfg))
         ]
   where
     formatdeps = map (formatone . snd)
-    formatone p = case packageName p of
+    formatone p =
-      PackageName n -> n ++ "-" ++ showVersion (packageVersion p)
+      unMungedPackageName (mungedName p) ++ "-" ++ showVersion (mungedVersion p)
 
-testDeps :: ComponentLocalBuildInfo -> ComponentLocalBuildInfo -> [(InstalledPackageId, PackageId)]
+testDeps :: ComponentLocalBuildInfo -> ComponentLocalBuildInfo -> [(InstalledPackageId, MungedPackageId)]
-testDeps xs ys = nub $ componentPackageDeps xs ++ componentPackageDeps ys
+testDeps xs ys = ordNub $ componentPackageDeps xs ++ componentPackageDeps ys

pontarius-xmpp.cabal

@@ -32,6 +32,11 @@ Flag with-th {
   Default:     True
 }
 
+custom-setup
+  setup-depends:   base
+                 , Cabal >= 2.0.1.0
+                 , filepath
+
 Library
   hs-source-dirs: source
   Exposed: True

source/Network/Xmpp/Stream.hs

@@ -33,6 +33,7 @@ import qualified Data.Text as Text
 import qualified Data.Text.Encoding as Text
 import qualified Data.Text.Encoding.Error as Text
 import           Data.Void (Void)
+import           Data.Word (Word16)
 import           Data.XML.Pickle
 import           Data.XML.Types
 import qualified GHC.IO.Exception as GIE
@@ -734,7 +735,7 @@ rethrowErrorCall action = do
 
 -- Provides a list of A(AAA) names and port numbers upon a successful
 -- DNS-SRV request, or `Nothing' if the DNS-SRV request failed.
-srvLookup :: Text -> ResolvSeed -> ErrorT XmppFailure IO (Maybe [(Domain, Int)])
+srvLookup :: Text -> ResolvSeed -> ErrorT XmppFailure IO (Maybe [(Domain, Word16)])
 srvLookup realm resolvSeed = ErrorT $ do
     result <- Ex.try $ rethrowErrorCall $ withResolver resolvSeed
               $ \resolver -> do
@@ -764,13 +765,13 @@ srvLookup realm resolvSeed = ErrorT $ do
     -- 2782. It sorts the SRV results in order of priority, and then
     -- uses a random process to order the records with the same
     -- priority based on their weight.
-    orderSrvResult :: [(Int, Int, Int, Domain)] -> IO [(Int, Int, Int, Domain)]
+    orderSrvResult :: [(Word16, Word16, Word16, Domain)] -> IO [(Word16, Word16, Word16, Domain)]
     orderSrvResult srvResult = do
         -- Order the result set by priority.
         let srvResult' = sortBy (comparing (\(priority, _, _, _) -> priority)) srvResult
         -- Group elements in sublists based on their priority. The
-        -- type is `[[(Int, Int, Int, Domain)]]'.
+        -- type is `[[(Word16, Word16, Word16, Domain)]]'.
-        let srvResult'' = Data.List.groupBy (\(priority, _, _, _) (priority', _, _, _) -> priority == priority') srvResult' :: [[(Int, Int, Int, Domain)]]
+        let srvResult'' = Data.List.groupBy (\(priority, _, _, _) (priority', _, _, _) -> priority == priority') srvResult' :: [[(Word16, Word16, Word16, Domain)]]
         -- For each sublist, put records with a weight of zero first.
         let srvResult''' = Data.List.map (\sublist -> let (a, b) = partition (\(_, weight, _, _) -> weight == 0) sublist in Data.List.concat [a, b]) srvResult''
         -- Order each sublist.
@@ -778,7 +779,7 @@ srvLookup realm resolvSeed = ErrorT $ do
         -- Concatinated the results.
         return $ Data.List.concat srvResult''''
       where
-        orderSublist :: [(Int, Int, Int, Domain)] -> IO [(Int, Int, Int, Domain)]
+        orderSublist :: [(Word16, Word16, Word16, Domain)] -> IO [(Word16, Word16, Word16, Domain)]
         orderSublist [] = return []
         orderSublist sublist = do
             -- Compute the running sum, as well as the total sum of