- Haskell-Cafe - Haskell.org

CPS Streams
by jeff p 10 Oct '12

10 Oct '12

{- I've always thought that the essence of iteratees is just CPS (I have no desire to argue the merits of this statement, and I preemptively concede to anyone who disagrees with this), so I decided to experiment with a direct CPS version of streams. The resulting code turned out nicer than I'd expected, so I'm writing about it in case anyone else finds it interesting or instructive (it seems to me that Haskellers tend to shy away from CPS). I'm pretty sure this technique is not new, but a cursory search didn't turn up quite the same thing. I'd be interested in any pointers to this somewhere else, as well any general feedback about this. -} {-# LANGUAGE ScopedTypeVariables, TupleSections #-} import Control.Applicative hiding (empty) import Control.Arrow import Control.Exception import Control.Monad (unless) import Data.Attoparsec.Text import Data.Text import Data.Text.IO import Prelude hiding (catch, getLine, lines, length, null, putStrLn, readFile, splitAt) import qualified Prelude as P import System.IO (IOMode(..), hClose, hIsClosed, withFile) import System.IO.Error hiding (catch) {- A stream is a function which takes a stream continuation and gives a result. A stream continuation takes an input (the next element of the stream) and the rest of the stream and returns a result. If the continuation is given Nothing, then the stream it was given to is done. This intuition can be realized with the following type which will let us do compositional incremental input processing in a direct functional style. -} newtype Stream0CPS a r = Stream0CPS { stream0CPS :: Maybe (a, Stream0 a r) -> r } type Stream0 a r = Stream0CPS a r -> r -- Stream the lines of a file. -- The finally statement is not necessary, but it lets us observe when files are closed. fileStream0 :: FilePath -> Stream0 Text (IO r) fileStream0 fileName k = withFile fileName ReadMode $ \h -> do P.putStrLn $ "___opening "++fileName finally (go h k) (do isClosed <- hIsClosed h unless isClosed $ hClose h >> P.putStrLn ("___finally closing "++fileName) ) where go h k = stream0CPS k . fmap (, go h) =<< safeNextLine h safeNextLine h = catch (Just <$> hGetLine h) $ \e -> if isEOFError e then hClose h >> P.putStrLn ("___EOF closing "++fileName) >> return Nothing else ioError e -- Print elements of a stream. printStream0 :: Show a => Stream0 a (IO ()) -> IO () printStream0 xs = xs $ Stream0CPS $ maybe (P.putStrLn "NOTHING") (\(x, xs') -> P.putStrLn (show x) >> printStream0 xs') -- Append two streams together. appendStream0 :: Stream0 a r -> Stream0 a r -> Stream0 a r appendStream0 xs ys k = xs $ Stream0CPS cont where cont Nothing = ys k cont (Just (v, xs')) = stream0CPS k $ Just (v, appendStream0 xs' ys) -- Create a stream with only the first n elements of a given stream. takeStream0 :: Int -> Stream0 a r -> Stream0 a r takeStream0 n xs k | n > 0 = xs $ Stream0CPS $ stream0CPS k . fmap (id *** takeStream0 (n - 1)) | otherwise = stream0CPS k Nothing {- Suppose we have a file named testWords with the words "one" through "five" on separate lines, and a file called testNums with the numbers 1 though 5 on separate lines. Then we can do the following: *Main> printStream0 $ appendStream0 (fileStream0 "testWords") (fileStream0 "testNums") ___opening testWords "one" "two" "three" "four" "five" ___EOF closing testWords ___opening testNums "1" "2" "3" "4" "5" ___EOF closing testNums NOTHING which is as expected, however, we also see: *Main> printStream0 $ appendStream0 (takeStream0 3 $ fileStream0 "testWords") (fileStream0 "testNums") ___opening testWords "one" "two" "three" ___opening testNums "1" "2" "3" "4" "5" ___EOF closing testNums NOTHING ___finally closing testWords which is not ideal since we'd like testWords to be closed as soon as we're done with it. In order to accomplish this, we have to add a way to tell a stream to close down. This is easily accomplished by giving an extra argument to streams, which tells them what to do. While below we have only allowed for streams to continue and stop, there is no reason the StreamAction type, and the stream functions, couldn't be expanded to allow for dynamically changing stream behavior, e.g. a variable sized chunker, or a tunable filter. -} newtype StreamCPS a r = StreamCPS { streamCPS :: Maybe (a, Stream a r) -> r } type Stream a r = StreamAction -> StreamCPS a r -> r data StreamAction = Continue | Stop {- Now we just have to modify the previous functions to explain what to do when asked to stop. -} fileStream :: FilePath -> Stream Text (IO r) fileStream fileName action k = withFile fileName ReadMode $ \h -> do P.putStrLn $ "___opening "++fileName finally (go h action k) (do isClosed <- hIsClosed h unless isClosed $ hClose h >> P.putStrLn ("___finally closing "++fileName) ) where go h Continue k = streamCPS k . fmap (, go h) =<< safeNextLine h go h Stop k = hClose h >> P.putStrLn ("___Stop closing "++fileName) >> streamCPS k Nothing safeNextLine h = catch (Just <$> hGetLine h) $ \e -> if isEOFError e then hClose h >> P.putStrLn ("___EOF closing "++fileName) >> return Nothing else ioError e printStream :: Show a => Stream a (IO ()) -> IO () printStream xs = xs Continue $ StreamCPS $ maybe (P.putStrLn "NOTHING") (\(x, xs') -> P.putStrLn (show x) >> printStream xs') -- In order to stop appendStream xs ys, stop xs then stop ys appendStream :: Stream a r -> Stream a r -> Stream a r appendStream xs ys Stop k = xs Stop $ StreamCPS $ \_ -> ys Stop k appendStream xs ys Continue k = xs Continue $ StreamCPS cont where cont Nothing = ys Continue k cont (Just (v, xs')) = streamCPS k $ Just (v, appendStream xs' ys) takeStream :: Int -> Stream a r -> Stream a r takeStream _ xs Stop k = xs Stop k takeStream n xs Continue k | n > 0 = xs Continue $ StreamCPS $ streamCPS k . fmap (id *** takeStream (n - 1)) | otherwise = xs Stop k {- Now we get the desired behavior: *Main> printStream $ appendStream (takeStream 3 $ fileStream "testWords") (fileStream "testNums") ___opening testWords "one" "two" "three" ___Stop closing testWords ___opening testNums "1" "2" "3" "4" "5" ___EOF closing testNums NOTHING Here are a few more stream functions to give a feel for what sorts of things can easily be done. -} emptyStream :: Stream a r emptyStream _ k = streamCPS k Nothing getLineStream :: Stream Text (IO r) getLineStream Stop k = streamCPS k Nothing getLineStream Continue k = streamCPS k . Just . (, getLineStream) =<< getLine listToStream :: [a] -> Stream a r listToStream _ Stop k = streamCPS k Nothing listToStream [] Continue k = streamCPS k Nothing listToStream (x:xs) Continue k = streamCPS k $ Just (x, listToStream xs) -- Stream consumers should have a general enough return type to work with streams in a monad. countStream :: Monad m => Stream a (m Int) -> m Int countStream xs = xs Continue $ StreamCPS $ go 0 where go n (Just (_, xs')) = xs' Continue $ StreamCPS $ go $ n + 1 go n Nothing = return n consStream :: a -> Stream a r -> Stream a r consStream _ s Stop k = s Stop k consStream x s Continue k = streamCPS k $ Just (x, s) mapStream :: (a -> b) -> Stream a r -> Stream b r mapStream f xs action k = xs action $ StreamCPS $ streamCPS k . fmap (f *** mapStream f) filterStream :: (a -> Bool) -> Stream a r -> Stream a r filterStream p xs action k = xs action $ StreamCPS $ maybe (streamCPS k Nothing) (\(x, xs') -> if p x then streamCPS k $ Just (x, filterStream p xs') else filterStream p xs' Continue k) dropStream :: Int -> Stream a r -> Stream a r dropStream _ xs Stop k = xs Stop k dropStream n xs Continue k = xs Continue newK where newK | n > 0 = StreamCPS $ maybe (streamCPS k Nothing) (\(_, xs') -> dropStream (n - 1) xs' Continue k) | otherwise = k -- Round robin interleaving of a list of streams. mergeStreams :: [Stream a r] -> Stream a r mergeStreams [] _ k = streamCPS k Nothing mergeStreams (s:ss) Stop k = s Stop $ StreamCPS $ \_ -> mergeStreams ss Stop k mergeStreams (s:ss) Continue k = s Continue $ StreamCPS $ maybe (mergeStreams ss Continue k) $ \(v,s') -> streamCPS k $ Just (v, mergeStreams $ ss++[s']) -- Run an attoparsec parser over the given stream. -- Note the parser can consume partial and/or multiple lines from the stream to generate its result. attoStream :: forall a r . Parser a -> Stream Text (IO r) -> Stream a (IO r) attoStream p = go (parse p) where go :: (Text -> Result a) -> Stream Text (IO r) -> Stream a (IO r) go _ xs Stop k = xs Stop $ StreamCPS $ \_ -> streamCPS k Nothing go f xs Continue k = xs Continue $ StreamCPS $ maybe (streamCPS k Nothing) $ \(line, xs') -> case f line of Done rest v -> streamCPS k $ Just (v, attoStream p $ consStream rest xs') f'@(Partial _) -> go (feed f') xs' Continue k f'@(Fail _ _ctxs err) -> P.putStrLn ("___Atto Error: "++err) >> go (feed f') xs' Stop k

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object file cannot be loaded.
by Magicloud Magiclouds 10 Oct '12

10 Oct '12

Hi, I am installing postgres hackage (cannot remember the exact name right now). When it compiling the template haskell part I got the following error message. I tried to clear all user space hackages. Not helping. Loading package text-0.11.2.3 ... linking ... ghc: /home/magicloud/.cabal/lib/text-0.11.2.3/ghc-7.6.1/HStext-0.11.2.3.o: unknown symbol `bytestringzm0zi10zi0zi1_DataziByteStringziInternal_PS_con_info' ghc: unable to load package `text-0.11.2.3' -- 竹密岂妨流水过山高哪阻野云飞 And for G+, please use magiclouds#gmail.com.

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OpenGL library will not load into GHCi 7.6.1 on Win7 x86-64
by Dan Haraj 09 Oct '12

09 Oct '12

This is a regression of some sort since the library operates fine within GHCi for previous versions of GHC. I don't know whether it is a problem with GHCi, the OpenGL library, or some third party. This is the error encountered when a module that uses OpenGL tries to load: Prelude Main> main Loading package OpenGLRaw-1.2.0.0 ... linking ... ghc.exe: unable to load package `OpenGLRaw-1.2.0.0' Prelude Main> :q Leaving GHCi. <interactive>: C:\...\OpenGLRaw-1.2.0.0\ghc-7.6.1\HSOpenGLRaw-1.2.0.0.o: unknown symbol `__imp_wglGetProcAddress' I have very little of an idea of what's going on here. It would be rather painful to debug this myself so any insight is appreciated.

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ANN: New York Haskell Users Group -- First Meeting on Wed., Nov 14.
by Gershom B 09 Oct '12

09 Oct '12

The (arguably) greatest city in the U.S. now (finally) has a users group for (unarguably) the greatest programming language anywhere. We're very happy to announce the inaugural meeting of the New York Haskell Users Group. We intend this group to be welcoming to new developers, but with enough substance to keep old Haskell hands interested and amused. If you're in the area but can't make it, you can join the meetup regardless at http://www.meetup.com/NY-Haskell/ to stay informed of future events. We plan to have a mix of talks and experience reports at all levels, so if you will be passing through town and might have something to say, let us know! Two Haskell Talks: Practical Data Processing With Haskell _and_ Putting Cloud Haskell to Work Wednesday, November 14, 2012 7:00 PM To 9:00 PM Pivotal Labs, 841 Broadway New York, NY RSVP: http://www.meetup.com/NY-Haskell/ We're kicking off the New York Haskell Users Group with two great talks, one for people just getting started and one for those with some experience already. Both should be accessible and enjoyable no matter how much (or little) you already know. Food and refreshments will be provided, courtesy of the generosity of Pivotal Labs, and after the talks, we're planning to keep the discussion going over food and drink at a nearby establishment. 7pm - Practical Data Processing With Haskell: Ozgun Ataman will give an introductory talk on Haskell, diving right in with how you can start using Haskell for practical data manipulation tasks today. You'll be introduced to a typical setup for Haskell development and given a demonstration of how a common data format (CSV, JSON, etc.) can be parsed, processed and finally output using Haskell. The talk will include a small actual Haskell program to be modified live and some commentary around using Haskell in practical applications. 8pm - Putting Cloud Haskell to Work for Distributed Computing: Gershom Bazerman will give an overview of the new distributed-process library that implements Cloud Haskell, providing computation across heterogeneous nodes through a message passing interface. He will discuss what this new tool provides out of the box, and what you'll have to bring to the table. The talk will include some code samples using the new library, as well as some experience about what it's like to use Haskell for distributed computing in the real world. Speaker Biographies: Ozgun Ataman is the founder of Soostone, a managment consulting and analytics company built on Haskell. He is the author of many open-source Haskell libraries, and is a contributor to the Snap web framework. Gershom Bazerman is a developer at S&P Capital IQ. He is most well known in the Haskell community as the author of the JMacro library for programmatic generation of JavaScript, and for one well-received April fools joke.

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total Data.Map.! function
by Henning Thielemann 09 Oct '12

09 Oct '12

I wondered whether there is a brilliant typing technique that makes Data.Map.! a total function. That is, is it possible to give (!) a type, such that m!k expects a proof that the key k is actually present in the dictionary m? How can I provide the proof that k is in m? Same question for 'lab' (import Data.Graph.Inductive(lab)). That is, can there be a totalLab, with (totalLab gr = fromJust . lab gr) that expects a proof that the node Id is actually contained in a graph?

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problem with cabal-install-1.16.0 and Cabal-1.16.0.1 on Haskell Platform for OS X
by Derrell Piper 09 Oct '12

09 Oct '12

Hi, New Haskell user here. I have the latest Haskell Platform 2012.2.0.0 for Mac OS X, 64 bit installed. I have not installed any additional packages. Believe me, the Prelude hurts enough. Anyways, seeing the big update to cabal, I decided to install it and did a: cabal install cabal-install-1.16.0 Cabal-1.16.0.1 ...per the announcement. The installation seemingly went well (log attached) but I'm left with a symlink farm that's still pointing at the old version. NB: I did the installation in my own account (ddp), not via sudo which looks like what was probably expected given the ownerships I do see. Here's what I'm left with: % which cabal /usr/bin/cabal % ls -la /usr/bin/cabal lrwxr-xr-x 1 root wheel - 26 Oct 8 16:42 /usr/bin/cabal -> /Library/Haskell/bin/cabal % ls -la /Library/Haskell/bin/cabal* lrwxr-xr-x 1 ddp wheel - 10 Oct 8 16:42 /Library/Haskell/bin/cabal -> cabal.wrap lrwxr-xr-x 1 ddp wheel - 37 Oct 8 16:42 /Library/Haskell/bin/cabal.real -> ../lib/cabal-install-0.14.0/bin/cabal -rwxr-xr-x 1 root admin - 4197 May 27 12:37 /Library/Haskell/bin/cabal.wrap I find that it actually installed itself here: % ls -la ~/Library/Haskell/bin/cabal* lrwxr-xr-x 1 ddp staff - 47 Oct 8 20:45 /Users/ddp/Library/Haskell/bin/cabal -> ../ghc-7.4.1/lib/cabal-install-1.16.0/bin/cabal So I guess my questions are: 1) did I miss some step along the way? 2) what's the correct way to fix this? Just change the cabal.real symlink to point to where it actually is? 3) which, if any, directories should I have in my PATH in general: /Library/Haskell/bin, ~/Library/Haskell/bin, neither or both? Thanks, Derrell Installation log: fluffy512% cabal --version cabal-install version 0.14.0 using version 1.14.0 of the Cabal library fluffy513% cabal update Downloading the latest package list from hackage.haskell.org Note: there is a new version of cabal-install available. To upgrade, run: cabal install cabal-install fluffy514% cabal install cabal-install-1.16.0 Cabal-1.16.0.1 Resolving dependencies... 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/var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/Types.o ) [18 of 65] Compiling Distribution.Simple.Program.Builtin ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/Builtin.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/Builtin.o ) [19 of 65] Compiling Distribution.Simple.Program.Db ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/Db.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/Db.o ) [20 of 65] Compiling Distribution.Simple.Program.Run ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/Run.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/Run.o ) [21 of 65] Compiling Distribution.Simple.Program ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program.o ) [22 of 65] Compiling Distribution.Simple.Program.Ar ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/Ar.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/Ar.o ) [23 of 65] Compiling Distribution.Simple.Program.Hpc ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/Hpc.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/Hpc.o ) [24 of 65] Compiling Distribution.Simple.Program.Ld ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/Ld.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/Ld.o ) [25 of 65] Compiling Distribution.Simple.Program.Script ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/Script.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/Script.o ) [26 of 65] Compiling Distribution.License ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/License.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/License.o ) [27 of 65] Compiling Distribution.Compiler ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Compiler.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Compiler.o ) [28 of 65] Compiling Distribution.PackageDescription ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/PackageDescription.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/PackageDescription.o ) [29 of 65] Compiling Distribution.PackageDescription.Configuration ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/PackageDescription/Configuration.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/PackageDescription/Configuration.o ) [30 of 65] Compiling Distribution.PackageDescription.Check ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/PackageDescription/Check.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/PackageDescription/Check.o ) [31 of 65] Compiling Distribution.ParseUtils ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/ParseUtils.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/ParseUtils.o ) [32 of 65] Compiling Distribution.InstalledPackageInfo ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/InstalledPackageInfo.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/InstalledPackageInfo.o ) [33 of 65] Compiling Distribution.Simple.PackageIndex ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/PackageIndex.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/PackageIndex.o ) [34 of 65] Compiling Distribution.Simple.GHC.IPI642 ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/GHC/IPI642.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/GHC/IPI642.o ) [35 of 65] Compiling Distribution.Simple.GHC.IPI641 ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/GHC/IPI641.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/GHC/IPI641.o ) [36 of 65] Compiling Distribution.PackageDescription.Parse ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/PackageDescription/Parse.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/PackageDescription/Parse.o ) [37 of 65] Compiling Distribution.Simple.Command ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Command.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Command.o ) [38 of 65] Compiling Distribution.Simple.Compiler ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Compiler.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Compiler.o ) [39 of 65] Compiling Distribution.Simple.Program.HcPkg ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/HcPkg.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/HcPkg.o ) [40 of 65] Compiling Distribution.Simple.InstallDirs ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/InstallDirs.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/InstallDirs.o ) [41 of 65] Compiling Distribution.Simple.Setup ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Setup.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Setup.o ) [42 of 65] Compiling Distribution.Simple.LocalBuildInfo ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/LocalBuildInfo.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/LocalBuildInfo.o ) [43 of 65] Compiling Distribution.Simple.Build.Macros ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Build/Macros.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Build/Macros.o ) [44 of 65] Compiling Distribution.Simple.BuildPaths ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/BuildPaths.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/BuildPaths.o ) [45 of 65] Compiling Distribution.Simple.Build.PathsModule ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Build/PathsModule.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Build/PathsModule.o ) [46 of 65] Compiling Distribution.Simple.LHC ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/LHC.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/LHC.o ) [47 of 65] Compiling Distribution.Simple.Hpc ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Hpc.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Hpc.o ) [48 of 65] Compiling Distribution.Simple.JHC ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/JHC.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/JHC.o ) [49 of 65] Compiling Distribution.Simple.NHC ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/NHC.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/NHC.o ) [50 of 65] Compiling Distribution.Simple.UHC ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/UHC.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/UHC.o ) [51 of 65] Compiling Distribution.Simple.Test ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Test.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Test.o ) [52 of 65] Compiling Distribution.Simple.PreProcess ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/PreProcess.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/PreProcess.o ) [53 of 65] Compiling Distribution.Simple.Hugs ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Hugs.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Hugs.o ) [54 of 65] Compiling Distribution.Simple.SrcDist ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/SrcDist.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/SrcDist.o ) [55 of 65] Compiling Distribution.Simple.UserHooks ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/UserHooks.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/UserHooks.o ) [56 of 65] Compiling Distribution.Simple.Bench ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Bench.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Bench.o ) [57 of 65] Compiling Distribution.Simple.Program.GHC ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Program/GHC.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Program/GHC.o ) [58 of 65] Compiling Distribution.Simple.GHC ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/GHC.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/GHC.o ) [59 of 65] Compiling Distribution.Simple.Configure ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Configure.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Configure.o ) [60 of 65] Compiling Distribution.Simple.Install ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Install.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Install.o ) [61 of 65] Compiling Distribution.Simple.Register ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Register.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Register.o ) [62 of 65] Compiling Distribution.Simple.Build ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Build.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Build.o ) [63 of 65] Compiling Distribution.Simple.Haddock ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple/Haddock.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple/Haddock.o ) [64 of 65] Compiling Distribution.Simple ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Distribution/Simple.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Distribution/Simple.o ) [65 of 65] Compiling Main ( /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/Setup.hs, /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/Main.o ) Linking /var/folders/sm/f2yb5sp11490bcy5k6t46v200000gn/T/Cabal-1.16.0.1-48304/Cabal-1.16.0.1/dist/setup/setup ... Configuring Cabal-1.16.0.1... Building Cabal-1.16.0.1... Preprocessing library Cabal-1.16.0.1... [ 1 of 67] Compiling Paths_Cabal ( dist/build/autogen/Paths_Cabal.hs, dist/build/Paths_Cabal.o ) [ 2 of 67] Compiling Distribution.TestSuite ( Distribution/TestSuite.hs, dist/build/Distribution/TestSuite.o ) [ 3 of 67] Compiling Distribution.Simple.PreProcess.Unlit ( Distribution/Simple/PreProcess/Unlit.hs, dist/build/Distribution/Simple/PreProcess/Unlit.o ) [ 4 of 67] Compiling Distribution.GetOpt ( Distribution/GetOpt.hs, dist/build/Distribution/GetOpt.o ) [ 5 of 67] Compiling Distribution.Compat.Exception ( Distribution/Compat/Exception.hs, dist/build/Distribution/Compat/Exception.o ) [ 6 of 67] Compiling Distribution.Compat.TempFile ( Distribution/Compat/TempFile.hs, dist/build/Distribution/Compat/TempFile.o ) [ 7 of 67] Compiling Distribution.Compat.CopyFile ( Distribution/Compat/CopyFile.hs, dist/build/Distribution/Compat/CopyFile.o ) [ 8 of 67] Compiling Distribution.Compat.ReadP ( Distribution/Compat/ReadP.hs, dist/build/Distribution/Compat/ReadP.o ) [ 9 of 67] Compiling Distribution.ReadE ( Distribution/ReadE.hs, dist/build/Distribution/ReadE.o ) [10 of 67] Compiling Distribution.Verbosity ( Distribution/Verbosity.hs, dist/build/Distribution/Verbosity.o ) [11 of 67] Compiling Distribution.Text ( Distribution/Text.hs, dist/build/Distribution/Text.o ) [12 of 67] Compiling Distribution.ModuleName ( Distribution/ModuleName.hs, dist/build/Distribution/ModuleName.o ) [13 of 67] Compiling Distribution.System ( Distribution/System.hs, dist/build/Distribution/System.o ) [14 of 67] Compiling Language.Haskell.Extension ( Language/Haskell/Extension.hs, dist/build/Language/Haskell/Extension.o ) [15 of 67] Compiling Distribution.Version ( Distribution/Version.hs, dist/build/Distribution/Version.o ) [16 of 67] Compiling Distribution.License ( Distribution/License.hs, dist/build/Distribution/License.o ) [17 of 67] Compiling Distribution.Package ( Distribution/Package.hs, dist/build/Distribution/Package.o ) [18 of 67] Compiling Distribution.Simple.Utils ( Distribution/Simple/Utils.hs, dist/build/Distribution/Simple/Utils.o ) [19 of 67] Compiling Distribution.Simple.Program.Types ( Distribution/Simple/Program/Types.hs, dist/build/Distribution/Simple/Program/Types.o ) [20 of 67] Compiling Distribution.Simple.Program.Run ( Distribution/Simple/Program/Run.hs, dist/build/Distribution/Simple/Program/Run.o ) [21 of 67] Compiling Distribution.Simple.Program.Ar ( Distribution/Simple/Program/Ar.hs, dist/build/Distribution/Simple/Program/Ar.o ) [22 of 67] Compiling Distribution.Simple.Program.Ld ( Distribution/Simple/Program/Ld.hs, dist/build/Distribution/Simple/Program/Ld.o ) [23 of 67] Compiling Distribution.Simple.Program.Hpc ( Distribution/Simple/Program/Hpc.hs, dist/build/Distribution/Simple/Program/Hpc.o ) [24 of 67] Compiling Distribution.Simple.Program.Script ( Distribution/Simple/Program/Script.hs, dist/build/Distribution/Simple/Program/Script.o ) [25 of 67] Compiling Distribution.Simple.Program.Builtin ( Distribution/Simple/Program/Builtin.hs, dist/build/Distribution/Simple/Program/Builtin.o ) [26 of 67] Compiling Distribution.Simple.Program.Db ( Distribution/Simple/Program/Db.hs, dist/build/Distribution/Simple/Program/Db.o ) [27 of 67] Compiling Distribution.Simple.Program ( Distribution/Simple/Program.hs, dist/build/Distribution/Simple/Program.o ) [28 of 67] Compiling Distribution.Compiler ( Distribution/Compiler.hs, dist/build/Distribution/Compiler.o ) [29 of 67] Compiling Distribution.ParseUtils ( Distribution/ParseUtils.hs, dist/build/Distribution/ParseUtils.o ) [30 of 67] Compiling Distribution.InstalledPackageInfo ( Distribution/InstalledPackageInfo.hs, dist/build/Distribution/InstalledPackageInfo.o ) [31 of 67] Compiling Distribution.Simple.PackageIndex ( Distribution/Simple/PackageIndex.hs, dist/build/Distribution/Simple/PackageIndex.o ) [32 of 67] Compiling Distribution.Simple.GHC.IPI642 ( Distribution/Simple/GHC/IPI642.hs, dist/build/Distribution/Simple/GHC/IPI642.o ) [33 of 67] Compiling Distribution.Simple.GHC.IPI641 ( Distribution/Simple/GHC/IPI641.hs, dist/build/Distribution/Simple/GHC/IPI641.o ) [34 of 67] Compiling Distribution.Simple.Command ( Distribution/Simple/Command.hs, dist/build/Distribution/Simple/Command.o ) [35 of 67] Compiling Distribution.PackageDescription ( Distribution/PackageDescription.hs, dist/build/Distribution/PackageDescription.o ) [36 of 67] Compiling Distribution.PackageDescription.Configuration ( Distribution/PackageDescription/Configuration.hs, dist/build/Distribution/PackageDescription/Configuration.o ) [37 of 67] Compiling Distribution.PackageDescription.Parse ( Distribution/PackageDescription/Parse.hs, dist/build/Distribution/PackageDescription/Parse.o ) [38 of 67] Compiling Distribution.PackageDescription.PrettyPrint ( Distribution/PackageDescription/PrettyPrint.hs, dist/build/Distribution/PackageDescription/PrettyPrint.o ) [39 of 67] Compiling Distribution.PackageDescription.Check ( Distribution/PackageDescription/Check.hs, dist/build/Distribution/PackageDescription/Check.o ) [40 of 67] Compiling Distribution.Simple.Compiler ( Distribution/Simple/Compiler.hs, dist/build/Distribution/Simple/Compiler.o ) [41 of 67] Compiling Distribution.Simple.Program.HcPkg ( Distribution/Simple/Program/HcPkg.hs, dist/build/Distribution/Simple/Program/HcPkg.o ) [42 of 67] Compiling Distribution.Simple.InstallDirs ( Distribution/Simple/InstallDirs.hs, dist/build/Distribution/Simple/InstallDirs.o ) [43 of 67] Compiling Distribution.Simple.Setup ( Distribution/Simple/Setup.hs, dist/build/Distribution/Simple/Setup.o ) [44 of 67] Compiling Distribution.Make ( Distribution/Make.hs, dist/build/Distribution/Make.o ) [45 of 67] Compiling Distribution.Simple.Program.GHC ( Distribution/Simple/Program/GHC.hs, dist/build/Distribution/Simple/Program/GHC.o ) [46 of 67] Compiling Distribution.Simple.LocalBuildInfo ( Distribution/Simple/LocalBuildInfo.hs, dist/build/Distribution/Simple/LocalBuildInfo.o ) [47 of 67] Compiling Distribution.Simple.BuildPaths ( Distribution/Simple/BuildPaths.hs, dist/build/Distribution/Simple/BuildPaths.o ) [48 of 67] Compiling Distribution.Simple.JHC ( Distribution/Simple/JHC.hs, dist/build/Distribution/Simple/JHC.o ) [49 of 67] Compiling Distribution.Simple.NHC ( Distribution/Simple/NHC.hs, dist/build/Distribution/Simple/NHC.o ) [50 of 67] Compiling Distribution.Simple.UHC ( Distribution/Simple/UHC.hs, dist/build/Distribution/Simple/UHC.o ) [51 of 67] Compiling Distribution.Simple.Build.Macros ( Distribution/Simple/Build/Macros.hs, dist/build/Distribution/Simple/Build/Macros.o ) [52 of 67] Compiling Distribution.Simple.Build.PathsModule ( Distribution/Simple/Build/PathsModule.hs, dist/build/Distribution/Simple/Build/PathsModule.o ) Distribution/Simple/Build/PathsModule.hs:210:19: Warning: Pattern match(es) are non-exhaustive In a case alternative: Patterns not matched: PPC PPC64 Sparc Arm ... [53 of 67] Compiling Distribution.Simple.GHC ( Distribution/Simple/GHC.hs, dist/build/Distribution/Simple/GHC.o ) [54 of 67] Compiling Distribution.Simple.LHC ( Distribution/Simple/LHC.hs, dist/build/Distribution/Simple/LHC.o ) [55 of 67] Compiling Distribution.Simple.Hpc ( Distribution/Simple/Hpc.hs, dist/build/Distribution/Simple/Hpc.o ) [56 of 67] Compiling Distribution.Simple.Test ( Distribution/Simple/Test.hs, dist/build/Distribution/Simple/Test.o ) [57 of 67] Compiling Distribution.Simple.PreProcess ( Distribution/Simple/PreProcess.hs, dist/build/Distribution/Simple/PreProcess.o ) [58 of 67] Compiling Distribution.Simple.UserHooks ( Distribution/Simple/UserHooks.hs, dist/build/Distribution/Simple/UserHooks.o ) [59 of 67] Compiling Distribution.Simple.Bench ( Distribution/Simple/Bench.hs, dist/build/Distribution/Simple/Bench.o ) [60 of 67] Compiling Distribution.Simple.SrcDist ( Distribution/Simple/SrcDist.hs, dist/build/Distribution/Simple/SrcDist.o ) [61 of 67] Compiling Distribution.Simple.Hugs ( Distribution/Simple/Hugs.hs, dist/build/Distribution/Simple/Hugs.o ) [62 of 67] Compiling Distribution.Simple.Register ( Distribution/Simple/Register.hs, dist/build/Distribution/Simple/Register.o ) [63 of 67] Compiling Distribution.Simple.Configure ( Distribution/Simple/Configure.hs, dist/build/Distribution/Simple/Configure.o ) [64 of 67] Compiling Distribution.Simple.Install ( Distribution/Simple/Install.hs, dist/build/Distribution/Simple/Install.o ) [65 of 67] Compiling Distribution.Simple.Build ( Distribution/Simple/Build.hs, dist/build/Distribution/Simple/Build.o ) [66 of 67] Compiling Distribution.Simple.Haddock ( Distribution/Simple/Haddock.hs, dist/build/Distribution/Simple/Haddock.o ) [67 of 67] Compiling Distribution.Simple ( Distribution/Simple.hs, dist/build/Distribution/Simple.o ) [ 1 of 67] Compiling Paths_Cabal ( dist/build/autogen/Paths_Cabal.hs, dist/build/Paths_Cabal.p_o ) [ 2 of 67] Compiling Distribution.TestSuite ( Distribution/TestSuite.hs, dist/build/Distribution/TestSuite.p_o ) [ 3 of 67] Compiling Distribution.Simple.PreProcess.Unlit ( Distribution/Simple/PreProcess/Unlit.hs, dist/build/Distribution/Simple/PreProcess/Unlit.p_o ) [ 4 of 67] Compiling Distribution.GetOpt ( Distribution/GetOpt.hs, dist/build/Distribution/GetOpt.p_o ) [ 5 of 67] Compiling Distribution.Compat.Exception ( Distribution/Compat/Exception.hs, dist/build/Distribution/Compat/Exception.p_o ) [ 6 of 67] Compiling Distribution.Compat.TempFile ( Distribution/Compat/TempFile.hs, dist/build/Distribution/Compat/TempFile.p_o ) [ 7 of 67] Compiling Distribution.Compat.CopyFile ( Distribution/Compat/CopyFile.hs, dist/build/Distribution/Compat/CopyFile.p_o ) [ 8 of 67] Compiling Distribution.Compat.ReadP ( Distribution/Compat/ReadP.hs, dist/build/Distribution/Compat/ReadP.p_o ) [ 9 of 67] Compiling Distribution.ReadE ( Distribution/ReadE.hs, dist/build/Distribution/ReadE.p_o ) [10 of 67] Compiling Distribution.Verbosity ( Distribution/Verbosity.hs, dist/build/Distribution/Verbosity.p_o ) [11 of 67] Compiling Distribution.Text ( Distribution/Text.hs, dist/build/Distribution/Text.p_o ) [12 of 67] Compiling Distribution.ModuleName ( Distribution/ModuleName.hs, dist/build/Distribution/ModuleName.p_o ) [13 of 67] Compiling Distribution.System ( Distribution/System.hs, dist/build/Distribution/System.p_o ) [14 of 67] Compiling Language.Haskell.Extension ( Language/Haskell/Extension.hs, dist/build/Language/Haskell/Extension.p_o ) [15 of 67] Compiling Distribution.Version ( Distribution/Version.hs, dist/build/Distribution/Version.p_o ) [16 of 67] Compiling Distribution.License ( Distribution/License.hs, dist/build/Distribution/License.p_o ) [17 of 67] Compiling Distribution.Package ( Distribution/Package.hs, dist/build/Distribution/Package.p_o ) [18 of 67] Compiling Distribution.Simple.Utils ( Distribution/Simple/Utils.hs, dist/build/Distribution/Simple/Utils.p_o ) [19 of 67] Compiling Distribution.Simple.Program.Types ( Distribution/Simple/Program/Types.hs, dist/build/Distribution/Simple/Program/Types.p_o ) [20 of 67] Compiling Distribution.Simple.Program.Run ( Distribution/Simple/Program/Run.hs, dist/build/Distribution/Simple/Program/Run.p_o ) [21 of 67] Compiling Distribution.Simple.Program.Ar ( Distribution/Simple/Program/Ar.hs, dist/build/Distribution/Simple/Program/Ar.p_o ) [22 of 67] Compiling Distribution.Simple.Program.Ld ( Distribution/Simple/Program/Ld.hs, dist/build/Distribution/Simple/Program/Ld.p_o ) [23 of 67] Compiling Distribution.Simple.Program.Hpc ( Distribution/Simple/Program/Hpc.hs, dist/build/Distribution/Simple/Program/Hpc.p_o ) [24 of 67] Compiling Distribution.Simple.Program.Script ( Distribution/Simple/Program/Script.hs, dist/build/Distribution/Simple/Program/Script.p_o ) [25 of 67] Compiling Distribution.Simple.Program.Builtin ( Distribution/Simple/Program/Builtin.hs, dist/build/Distribution/Simple/Program/Builtin.p_o ) [26 of 67] Compiling Distribution.Simple.Program.Db ( Distribution/Simple/Program/Db.hs, dist/build/Distribution/Simple/Program/Db.p_o ) [27 of 67] Compiling Distribution.Simple.Program ( Distribution/Simple/Program.hs, dist/build/Distribution/Simple/Program.p_o ) [28 of 67] Compiling Distribution.Compiler ( Distribution/Compiler.hs, dist/build/Distribution/Compiler.p_o ) [29 of 67] Compiling Distribution.ParseUtils ( Distribution/ParseUtils.hs, dist/build/Distribution/ParseUtils.p_o ) [30 of 67] Compiling Distribution.InstalledPackageInfo ( Distribution/InstalledPackageInfo.hs, dist/build/Distribution/InstalledPackageInfo.p_o ) [31 of 67] Compiling Distribution.Simple.PackageIndex ( Distribution/Simple/PackageIndex.hs, dist/build/Distribution/Simple/PackageIndex.p_o ) [32 of 67] Compiling Distribution.Simple.GHC.IPI642 ( Distribution/Simple/GHC/IPI642.hs, dist/build/Distribution/Simple/GHC/IPI642.p_o ) [33 of 67] Compiling Distribution.Simple.GHC.IPI641 ( Distribution/Simple/GHC/IPI641.hs, dist/build/Distribution/Simple/GHC/IPI641.p_o ) [34 of 67] Compiling Distribution.Simple.Command ( Distribution/Simple/Command.hs, dist/build/Distribution/Simple/Command.p_o ) [35 of 67] Compiling Distribution.PackageDescription ( Distribution/PackageDescription.hs, dist/build/Distribution/PackageDescription.p_o ) [36 of 67] Compiling Distribution.PackageDescription.Configuration ( Distribution/PackageDescription/Configuration.hs, dist/build/Distribution/PackageDescription/Configuration.p_o ) [37 of 67] Compiling Distribution.PackageDescription.Parse ( Distribution/PackageDescription/Parse.hs, dist/build/Distribution/PackageDescription/Parse.p_o ) [38 of 67] Compiling Distribution.PackageDescription.PrettyPrint ( Distribution/PackageDescription/PrettyPrint.hs, dist/build/Distribution/PackageDescription/PrettyPrint.p_o ) [39 of 67] Compiling Distribution.PackageDescription.Check ( Distribution/PackageDescription/Check.hs, dist/build/Distribution/PackageDescription/Check.p_o ) [40 of 67] Compiling Distribution.Simple.Compiler ( Distribution/Simple/Compiler.hs, dist/build/Distribution/Simple/Compiler.p_o ) [41 of 67] Compiling Distribution.Simple.Program.HcPkg ( Distribution/Simple/Program/HcPkg.hs, dist/build/Distribution/Simple/Program/HcPkg.p_o ) [42 of 67] Compiling Distribution.Simple.InstallDirs ( Distribution/Simple/InstallDirs.hs, dist/build/Distribution/Simple/InstallDirs.p_o ) [43 of 67] Compiling Distribution.Simple.Setup ( Distribution/Simple/Setup.hs, dist/build/Distribution/Simple/Setup.p_o ) [44 of 67] Compiling Distribution.Make ( Distribution/Make.hs, dist/build/Distribution/Make.p_o ) [45 of 67] Compiling Distribution.Simple.Program.GHC ( Distribution/Simple/Program/GHC.hs, dist/build/Distribution/Simple/Program/GHC.p_o ) [46 of 67] Compiling Distribution.Simple.LocalBuildInfo ( Distribution/Simple/LocalBuildInfo.hs, dist/build/Distribution/Simple/LocalBuildInfo.p_o ) [47 of 67] Compiling Distribution.Simple.BuildPaths ( Distribution/Simple/BuildPaths.hs, dist/build/Distribution/Simple/BuildPaths.p_o ) [48 of 67] Compiling Distribution.Simple.JHC ( Distribution/Simple/JHC.hs, dist/build/Distribution/Simple/JHC.p_o ) [49 of 67] Compiling Distribution.Simple.NHC ( Distribution/Simple/NHC.hs, dist/build/Distribution/Simple/NHC.p_o ) [50 of 67] Compiling Distribution.Simple.UHC ( Distribution/Simple/UHC.hs, dist/build/Distribution/Simple/UHC.p_o ) [51 of 67] Compiling Distribution.Simple.Build.Macros ( Distribution/Simple/Build/Macros.hs, dist/build/Distribution/Simple/Build/Macros.p_o ) [52 of 67] Compiling Distribution.Simple.Build.PathsModule ( Distribution/Simple/Build/PathsModule.hs, dist/build/Distribution/Simple/Build/PathsModule.p_o ) Distribution/Simple/Build/PathsModule.hs:210:19: Warning: Pattern match(es) are non-exhaustive In a case alternative: Patterns not matched: PPC PPC64 Sparc Arm ... [53 of 67] Compiling Distribution.Simple.GHC ( Distribution/Simple/GHC.hs, dist/build/Distribution/Simple/GHC.p_o ) [54 of 67] Compiling Distribution.Simple.LHC ( Distribution/Simple/LHC.hs, dist/build/Distribution/Simple/LHC.p_o ) [55 of 67] Compiling Distribution.Simple.Hpc ( Distribution/Simple/Hpc.hs, dist/build/Distribution/Simple/Hpc.p_o ) [56 of 67] Compiling Distribution.Simple.Test ( Distribution/Simple/Test.hs, dist/build/Distribution/Simple/Test.p_o ) [57 of 67] Compiling Distribution.Simple.PreProcess ( Distribution/Simple/PreProcess.hs, dist/build/Distribution/Simple/PreProcess.p_o ) [58 of 67] Compiling Distribution.Simple.UserHooks ( Distribution/Simple/UserHooks.hs, dist/build/Distribution/Simple/UserHooks.p_o ) [59 of 67] Compiling Distribution.Simple.Bench ( Distribution/Simple/Bench.hs, dist/build/Distribution/Simple/Bench.p_o ) [60 of 67] Compiling Distribution.Simple.SrcDist ( Distribution/Simple/SrcDist.hs, dist/build/Distribution/Simple/SrcDist.p_o ) [61 of 67] Compiling Distribution.Simple.Hugs ( Distribution/Simple/Hugs.hs, dist/build/Distribution/Simple/Hugs.p_o ) [62 of 67] Compiling Distribution.Simple.Register ( Distribution/Simple/Register.hs, dist/build/Distribution/Simple/Register.p_o ) [63 of 67] Compiling Distribution.Simple.Configure ( Distribution/Simple/Configure.hs, dist/build/Distribution/Simple/Configure.p_o ) [64 of 67] Compiling Distribution.Simple.Install ( Distribution/Simple/Install.hs, dist/build/Distribution/Simple/Install.p_o ) [65 of 67] Compiling Distribution.Simple.Build ( Distribution/Simple/Build.hs, dist/build/Distribution/Simple/Build.p_o ) [66 of 67] Compiling Distribution.Simple.Haddock ( Distribution/Simple/Haddock.hs, dist/build/Distribution/Simple/Haddock.p_o ) [67 of 67] Compiling Distribution.Simple ( Distribution/Simple.hs, dist/build/Distribution/Simple.p_o ) In-place registering Cabal-1.16.0.1... Running Haddock for Cabal-1.16.0.1... Preprocessing library Cabal-1.16.0.1... Warning: The documentation for the following packages are not installed. No links will be generated to these packages: rts-1.0 Haddock coverage: 0% ( 0 / 4) in 'Paths_Cabal' 22% ( 2 / 9) in 'Distribution.TestSuite' 100% ( 3 / 3) in 'Distribution.Simple.PreProcess.Unlit' 100% ( 10 / 10) in 'Distribution.GetOpt' 14% ( 1 / 7) in 'Distribution.Compat.Exception' 40% ( 2 / 5) in 'Distribution.Compat.TempFile' 0% ( 0 / 4) in 'Distribution.Compat.CopyFile' 98% ( 40 / 41) in 'Distribution.Compat.ReadP' 44% ( 4 / 9) in 'Distribution.ReadE' 17% ( 2 / 12) in 'Distribution.Verbosity' 25% ( 1 / 4) in 'Distribution.Text' 86% ( 6 / 7) in 'Distribution.ModuleName' 40% ( 4 / 10) in 'Distribution.System' 57% ( 4 / 7) in 'Language.Haskell.Extension' 83% ( 35 / 42) in 'Distribution.Version' 67% ( 2 / 3) in 'Distribution.License' 71% ( 12 / 17) in 'Distribution.Package' 69% ( 53 / 77) in 'Distribution.Simple.Utils' 90% ( 9 / 10) in 'Distribution.Simple.Program.Types' 33% ( 3 / 9) in 'Distribution.Simple.Program.Run' 100% ( 3 / 3) in 'Distribution.Simple.Program.Ar' 100% ( 2 / 2) in 'Distribution.Simple.Program.Ld' 33% ( 1 / 3) in 'Distribution.Simple.Program.Hpc' 100% ( 4 / 4) in 'Distribution.Simple.Program.Script' 13% ( 4 / 31) in 'Distribution.Simple.Program.Builtin' 76% ( 19 / 25) in 'Distribution.Simple.Program.Db' 43% ( 34 / 79) in 'Distribution.Simple.Program' 62% ( 5 / 8) in 'Distribution.Compiler' 12% ( 7 / 58) in 'Distribution.ParseUtils' 9% ( 1 / 11) in 'Distribution.InstalledPackageInfo' 89% ( 31 / 35) in 'Distribution.Simple.PackageIndex' 25% ( 2 / 8) in 'Distribution.Simple.GHC.IPI642' 67% ( 2 / 3) in 'Distribution.Simple.GHC.IPI641' 64% ( 27 / 42) in 'Distribution.Simple.Command' 70% ( 47 / 67) in 'Distribution.PackageDescription' 44% ( 4 / 9) in 'Distribution.PackageDescription.Configuration' 32% ( 7 / 22) in 'Distribution.PackageDescription.Parse' 100% ( 3 / 3) in 'Distribution.PackageDescription.PrettyPrint' 90% ( 9 / 10) in 'Distribution.PackageDescription.Check' 60% ( 12 / 20) in 'Distribution.Simple.Compiler' 62% ( 8 / 13) in 'Distribution.Simple.Program.HcPkg' 55% ( 11 / 20) in 'Distribution.Simple.InstallDirs' 14% ( 10 / 69) in 'Distribution.Simple.Setup' 57% ( 4 / 7) in 'Distribution.Make' 14% ( 1 / 7) in 'Distribution.Simple.Program.GHC' 65% ( 13 / 20) in 'Distribution.Simple.LocalBuildInfo' 40% ( 6 / 15) in 'Distribution.Simple.BuildPaths' 43% ( 3 / 7) in 'Distribution.Simple.JHC' 71% ( 5 / 7) in 'Distribution.Simple.NHC' 14% ( 1 / 7) in 'Distribution.Simple.UHC' 50% ( 1 / 2) in 'Distribution.Simple.Build.Macros' 67% ( 2 / 3) in 'Distribution.Simple.Build.PathsModule' 50% ( 7 / 14) in 'Distribution.Simple.GHC' 50% ( 5 / 10) in 'Distribution.Simple.LHC' 71% ( 5 / 7) in 'Distribution.Simple.Hpc' 92% ( 11 / 12) in 'Distribution.Simple.Test' 38% ( 6 / 16) in 'Distribution.Simple.PreProcess' 75% ( 3 / 4) in 'Distribution.Simple.UserHooks' 100% ( 2 / 2) in 'Distribution.Simple.Bench' 92% ( 11 / 12) in 'Distribution.Simple.SrcDist' 57% ( 4 / 7) in 'Distribution.Simple.Hugs' 50% ( 4 / 8) in 'Distribution.Simple.Register' 64% ( 9 / 14) in 'Distribution.Simple.Configure' 100% ( 2 / 2) in 'Distribution.Simple.Install' 75% ( 3 / 4) in 'Distribution.Simple.Build' 33% ( 1 / 3) in 'Distribution.Simple.Haddock' 91% ( 20 / 22) in 'Distribution.Simple' Warning: Distribution.Compat.ReadP: could not find link destinations for: Distribution.Compat.ReadP.Parser Distribution.Compat.ReadP.P Warning: Distribution.ReadE: could not find link destinations for: Distribution.ReadE.ErrorMsg Warning: Distribution.Compiler: could not find link destinations for: Distribution.Compiler.classifyCompilerFlavor Warning: Distribution.PackageDescription.Parse: could not find link destinations for: Distribution.PackageDescription.Parse.TestSuiteStanza Documentation created: dist/doc/html/Cabal/index.html Installing library in /Users/ddp/Library/Haskell/ghc-7.4.1/lib/Cabal-1.16.0.1/lib Registering Cabal-1.16.0.1... Configuring cabal-install-1.16.0... Building cabal-install-1.16.0... Preprocessing executable 'cabal' for cabal-install-1.16.0... [ 1 of 65] Compiling Distribution.Client.Haddock ( Distribution/Client/Haddock.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Haddock.o ) [ 2 of 65] Compiling Distribution.Client.JobControl ( Distribution/Client/JobControl.hs, dist/build/cabal/cabal-tmp/Distribution/Client/JobControl.o ) [ 3 of 65] Compiling Distribution.Client.BuildReports.Types ( Distribution/Client/BuildReports/Types.hs, dist/build/cabal/cabal-tmp/Distribution/Client/BuildReports/Types.o ) [ 4 of 65] Compiling Distribution.Client.Dependency.Modular.Version ( Distribution/Client/Dependency/Modular/Version.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Version.o ) [ 5 of 65] Compiling Distribution.Client.Dependency.Modular.PSQ ( Distribution/Client/Dependency/Modular/PSQ.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/PSQ.o ) [ 6 of 65] Compiling Distribution.Client.Dependency.Modular.Package ( Distribution/Client/Dependency/Modular/Package.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Package.o ) [ 7 of 65] Compiling Distribution.Client.Utils ( Distribution/Client/Utils.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Utils.o ) [ 8 of 65] Compiling Distribution.Client.PackageUtils ( Distribution/Client/PackageUtils.hs, dist/build/cabal/cabal-tmp/Distribution/Client/PackageUtils.o ) [ 9 of 65] Compiling Distribution.Compat.FilePerms ( Distribution/Compat/FilePerms.hs, dist/build/cabal/cabal-tmp/Distribution/Compat/FilePerms.o ) [10 of 65] Compiling Distribution.Compat.Time ( Distribution/Compat/Time.hs, dist/build/cabal/cabal-tmp/Distribution/Compat/Time.o ) [11 of 65] Compiling Distribution.Client.GZipUtils ( Distribution/Client/GZipUtils.hs, dist/build/cabal/cabal-tmp/Distribution/Client/GZipUtils.o ) [12 of 65] Compiling Distribution.Client.Tar ( Distribution/Client/Tar.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Tar.o ) [13 of 65] Compiling Distribution.Client.PackageIndex ( Distribution/Client/PackageIndex.hs, dist/build/cabal/cabal-tmp/Distribution/Client/PackageIndex.o ) [14 of 65] Compiling Distribution.Client.Init.Licenses ( Distribution/Client/Init/Licenses.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Init/Licenses.o ) [15 of 65] Compiling Distribution.Client.Init.Types ( Distribution/Client/Init/Types.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Init/Types.o ) [16 of 65] Compiling Distribution.Compat.Exception ( Distribution/Compat/Exception.hs, dist/build/cabal/cabal-tmp/Distribution/Compat/Exception.o ) [17 of 65] Compiling Distribution.Client.Types ( Distribution/Client/Types.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Types.o ) [18 of 65] Compiling Distribution.Client.Init.Heuristics ( Distribution/Client/Init/Heuristics.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Init/Heuristics.o ) [19 of 65] Compiling Distribution.Client.InstallPlan ( Distribution/Client/InstallPlan.hs, dist/build/cabal/cabal-tmp/Distribution/Client/InstallPlan.o ) [20 of 65] Compiling Distribution.Client.Dependency.Types ( Distribution/Client/Dependency/Types.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Types.o ) [21 of 65] Compiling Distribution.Client.Dependency.Modular.Flag ( Distribution/Client/Dependency/Modular/Flag.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Flag.o ) [22 of 65] Compiling Distribution.Client.Dependency.Modular.Dependency ( Distribution/Client/Dependency/Modular/Dependency.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Dependency.o ) [23 of 65] Compiling Distribution.Client.Dependency.Modular.Tree ( Distribution/Client/Dependency/Modular/Tree.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Tree.o ) [24 of 65] Compiling Distribution.Client.Dependency.Modular.Index ( Distribution/Client/Dependency/Modular/Index.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Index.o ) [25 of 65] Compiling Distribution.Client.Dependency.Modular.IndexConversion ( Distribution/Client/Dependency/Modular/IndexConversion.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/IndexConversion.o ) [26 of 65] Compiling Distribution.Client.Dependency.Modular.Builder ( Distribution/Client/Dependency/Modular/Builder.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Builder.o ) [27 of 65] Compiling Distribution.Client.Dependency.Modular.Message ( Distribution/Client/Dependency/Modular/Message.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Message.o ) [28 of 65] Compiling Distribution.Client.Dependency.Modular.Log ( Distribution/Client/Dependency/Modular/Log.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Log.o ) [29 of 65] Compiling Distribution.Client.Dependency.Modular.Preference ( Distribution/Client/Dependency/Modular/Preference.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Preference.o ) [30 of 65] Compiling Distribution.Client.Dependency.Modular.Configured ( Distribution/Client/Dependency/Modular/Configured.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Configured.o ) [31 of 65] Compiling Distribution.Client.Dependency.Modular.Assignment ( Distribution/Client/Dependency/Modular/Assignment.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Assignment.o ) [32 of 65] Compiling Distribution.Client.Dependency.Modular.Explore ( Distribution/Client/Dependency/Modular/Explore.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Explore.o ) [33 of 65] Compiling Distribution.Client.Dependency.Modular.Validate ( Distribution/Client/Dependency/Modular/Validate.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Validate.o ) [34 of 65] Compiling Distribution.Client.Dependency.Modular.Solver ( Distribution/Client/Dependency/Modular/Solver.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/Solver.o ) [35 of 65] Compiling Distribution.Client.Dependency.Modular.ConfiguredConversion ( Distribution/Client/Dependency/Modular/ConfiguredConversion.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular/ConfiguredConversion.o ) [36 of 65] Compiling Distribution.Client.Dependency.Modular ( Distribution/Client/Dependency/Modular.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/Modular.o ) [37 of 65] Compiling Distribution.Client.Dependency.TopDown.Types ( Distribution/Client/Dependency/TopDown/Types.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/TopDown/Types.o ) [38 of 65] Compiling Distribution.Client.Dependency.TopDown.Constraints ( Distribution/Client/Dependency/TopDown/Constraints.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency/TopDown/Constraints.o ) [39 of 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dist/build/cabal/cabal-tmp/Distribution/Client/Update.o ) [52 of 65] Compiling Distribution.Client.Targets ( Distribution/Client/Targets.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Targets.o ) [53 of 65] Compiling Distribution.Client.Dependency ( Distribution/Client/Dependency.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Dependency.o ) [54 of 65] Compiling Distribution.Client.Setup ( Distribution/Client/Setup.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Setup.o ) [55 of 65] Compiling Distribution.Client.Config ( Distribution/Client/Config.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Config.o ) [56 of 65] Compiling Distribution.Client.SetupWrapper ( Distribution/Client/SetupWrapper.hs, dist/build/cabal/cabal-tmp/Distribution/Client/SetupWrapper.o ) Distribution/Client/SetupWrapper.hs:51:12: Warning: In the use of `ghcVerbosityOptions' (imported from Distribution.Simple.GHC): Deprecated: "Use the GhcOptions record instead" [57 of 65] Compiling 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Distribution.Client.Install ( Distribution/Client/Install.hs, dist/build/cabal/cabal-tmp/Distribution/Client/Install.o ) [65 of 65] Compiling Main ( Main.hs, dist/build/cabal/cabal-tmp/Main.o ) Linking dist/build/cabal/cabal ... Warning: No documentation was generated as this package does not contain a library. Perhaps you want to use the --executables flag. Installing executable(s) in /Users/ddp/Library/Haskell/ghc-7.4.1/lib/cabal-install-1.16.0/bin Updating documentation index /Users/ddp/Library/Haskell/doc/index.html

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ANN: cabal-install-1.16.0 (and Cabal-1.16.0.1)
by Johan Tibell 09 Oct '12

09 Oct '12

On the behalf of the many contributors to cabal, I'm proud to present cabal-install-1.16.0. This release contains almost a year worth of patches. Highlights include: * Parallel installs (cabal install -j) * Several improvements to the dependency solver. * Lots of bugfixes We're also simultaneously releasing Cabal-1.16.0.1, which address a few bugs. To install: cabal update cabal install cabal-install-1.16.0 Cabal-1.16.0.1 Complete list of changes in cabal-install-1.16.0: * Bump cabal-install version number to 1.16.0 * Extend the unpack command for the .cabal file updating * On install, update the .cabal file with the one from the index * Make compatible with `network-2.4` API * Update ZLIB_VER in bootstrap.sh for ghc-7.6 compatibility * cabal-install.cabal: add Distribution.Client.JobControl and Distribution.Compat.Time * Adapt bootstrap.sh to ghc-7.6 changes * Move comment that was missed in a refactoring * cabal-install: Adapt for GHC 7.6 * Ensure that the cabal-install logfile gets closed * Make cabal-install build with Cabal-1.16. * Initialise the 'jobs' config file setting with the current number of CPU cores. * Update version bounds for directory. * Update bootstrap.sh to match platform 2012.2.0.0 * Relax dependency on containers. * Bump versions. * Better output for parallel install. * Fix warnings. * Remove 'tryCachedSetupExecutable'. * Redundant import. * Use a lock instead of 'JobControl 1'. * Comments, cosmetic changes. * Implement the setup executable cache. * Add the missing JobControl module * Fix missing import after merge of par build patches * Fix impl of PackageIndex.allPackagesByName * Drop the "ghc-options: -rtsopts" on cabal-install. We do not need it. * Parallelise the install command This is based on Mikhail Glushenkov's patches. * InstallPlan: Add a Processing package state. * Add a '-j' flag for the 'install' command. * Add -threaded and -rtsopts to cabal-install's ghc-options. * Fix typos. * Fix warnings. * 80-col violation. * Spelling. * Fix warnings. * Extended a comment. * Force the log for the error to be printed in parallel with the complete trace. * Remove goal choice nodes after reordering is completed. * Make modular solver handle manual flags properly. * Store manual flag info in search tree. * Maintain info about manual flags in modular solver. * Fix cabal-install build. * Merge pull request #6 from pcapriotti/master * Adapt to change in GHC package db flags. * Merge pull request #1 from iustin/master * Add support for Apache 2.0 license to cabal-install * Handle test and bench stanzas without dependencies properly in modular solver. * Updated repo location in cabal files. * last-minute README changes * updated copyright year for Duncan * updated changelog * added deepseq to bootstrap.sh * handling the solver options properly in config file * handling the "optimization" option properly in config file * Update cabal-install bootstrap.sh * treat packages that are unknown no longer as an "internal error" in modular solver * minor wording change when printing install plans * no longer pre-filter broken packages for modular solver * for empty install plans, print the packages that are installed * make the reinstall check less noisy * disable line-wrapping for solver debug output * adding a solver flag for shadowing of installed packages * adding the possibility for index-disabled packages * choose default solver based on compiler version * Added a comment * Use the new --package-db flag stuff in cabal-install * head cabal-install requires head Cabal * Fix ticket #731 * Add brief description of PVP to cabal init generated .cabal files * Bump versions to 1.15 and 0.15 This is the head branch, the 1.14.x and 0.14.x are in the 1.14 branch. * init: guess at filling in deps in the build-depends: field * init: see whether source directory 'src' exists. * init: improve prompt: enclose y/n in parens * init: improve prompt: 'homepage' field is not for repos. * bootstrap with --global should still respect $PREFIX * Update cabal-install boostrap.sh package versions * Fix 'cabal configure --enable-{tests,benchmarks}'. 'cabal configure' was not adding optional stanza constraints when checking dependencies, causing '--enable-{tests,benchmarks}' to be silently ignored. * added missing error message * Don't try to run test suites where none exist. * Fixed non-exhaustive pattern matches with new InstallOutcome. * Automatically run test suites when invoked with 'cabal install --enable-tests'. Do not install if tests fail. * make test and bench available as user constraints * let --reinstall imply --force-reinstalls for targets * stanza support in modular solver * show optional stanzas when printing install plans * Added a missing case. * Enable tests and benchmarks in cabal-install without modifications to the Cabal library. * Don't build benchmarks, even if installing benchmark dependencies. * Update types in modular dependency solver to compile with new test/benchmark dependency constraints. * Handle test and benchmark dependencies through the resolver properly. * updating dependencies in bootstrap.sh * fix compilation with ghc-7.4 * Added a comment. * removing trailing whitespace * removing datatype contexts * Now require mtl-2 Complete list of changes in Cabal-1.16.0.1: * Bump Cabal version number to 1.16.0.1 * Fix failing test * Do not pass -XHaskell98 to older compilers (fixes #1016) * don't test --disable-library-vanilla for now * Fix logic for building dynamic executables with TemplateHaskell * Fix the logic for building profiled executables with TemplateHaskell. * add test for non-vanilla profiling and dynamic builds with Template Haskell * Build Setup executables without HPC. Fixes #1012. * Make 'viewAsFieldDescr' a total function. Cheers, Johan & Bryan

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Re: [Haskell-cafe] Long pauses / idle time in a Haskell TCP server
by Jamie Turner 09 Oct '12

09 Oct '12

> I'm seeing long pauses in a server based on the 'scalable-server' > package from Hackage, version 0.2.2 [1]. It normally performs very > well, about 100-150 micro-secs client latency over the loopback > interface, but a fair number of requests are much slower, 38-40 > milli-secs, making the mean latency and throughput quite bad. Hi Alex--author of scalable-server here. 38ms sounds like Nagle's algorithm. (http://en.wikipedia.org/wiki/Nagle's_algorithm) In short, the socket is waiting on sending a small amount of data to see if the application wants to send more data. If so, the kernel can repack the data together so that it all can be switched in one TCP packet. You need to set NoDelay (TCP_NODELAY) if you want to disable this behavior; scalable-server doesn't currently have a flag to configure this, but I'm open to pull requests! (Also, are you using hackage scalable-server, or the "new" scalable server based on conduit on github? I'd recommend switching to the github version if not. A few key bugs exist in the older implementation.) - Jamie

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ghc-mtl, hint, mueval for ghc-7.6 ?
by Johannes Waldmann 08 Oct '12

08 Oct '12

While porting some code to 7.6, I'm stuck here: Preprocessing library ghc-mtl-1.0.1.1... [1 of 1] Compiling Control.Monad.Ghc ( Control/Monad/Ghc.hs, dist/build/Control/Monad/Ghc.o ) Control/Monad/Ghc.hs:29:48: No instance for (DynFlags.HasDynFlags Ghc) this seems to block hint and mueval. Is there a known workaround for this problem, or a sugggested replacement package? Thanks - J.W.

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Panic loading network on windows (GHC 7.6.1)
by JP Moresmau 08 Oct '12

08 Oct '12

Hello, I've installed Cabal and cabal-install 1.16 (which required network) on a new GHC 7.6.1 install and everything went well, except now when building a package requiring network I get: Loading package network-2.4.0.1 ... ghc.exe: Unknown PEi386 section name `.idata $4' (while processing: c:/ghc/ghc-7.6.1/mingw/lib\libws2_32.a) ghc.exe: panic! (the 'impossible' happened) (GHC version 7.6.1 for i386-unknown-mingw32): loadArchive "c:/ghc/ghc-7.6.1/mingw/lib\\libws2_32.a": failed I have done something wrong while building network on my Windows XP machine? What can I check? Thanks! -- JP Moresmau http://jpmoresmau.blogspot.com/

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