- Beginners - Haskell.org

to avoid naming intermediate variables
by Dennis Raddle 22 Feb '16

22 Feb '16

I recently realized one important reason Haskell is so compact---it provides structures that avoid the need to name intermediate variables. I guess it's obvious, but coming from an imperative background I didn't see this at first. I am starting to recognize situations where all the existing wonderful typeclasses assist in eliminating variables. Function composition is the simplest example. I sometimes write long chains of composed functions. In an imperative language with a less compact function call syntax, that would require so many parentheses that you would probably break it over several statements, then forcing you to use more variables. Then I realized that Arrows allow a little more flexibility when you have different numbers of arguments to feed, say when you split a single argument into two, or want to construct a function that applies to one argument and ignores the other. ...So I had to write something like this. compute :: [Int] -> [Int] -> [Int] -> [(Int,Int)] func :: [Int] -> [(Int,Int)] func xs = compute xs (filter isSmall xs) (filter isLarge xs) but I could also write compute :: ([Int],([Int],[Int])) -> [(Int,Int)] func = compute . (id &&& filter isSmall &&& filter isLarge) So I had to change the inputs to 'compute' into this kind of awkward tuple form, but I eliminated four 'xs', plus eliminated the need to come up with the name 'xs'. Can I get a comment on whether this makes sense as way to do things? D

2 2

howto Pipe
by PICCA Frederic-Emmanuel 22 Feb '16

22 Feb '16

Hello I try to mix my C library and the Pipe module here the code I am using solveTraj :: Factory -> Geometry -> Detector -> Sample -> Pipe Engine Geometry IO () solveTraj f g d s = do e <- await let name = engineName e withSample s $ \sample -> withDetector d $ \detector -> withGeometry f g $ \geometry -> withEngineList f $ \engines -> withCString name $ \cname -> do c_hkl_engine_list_init engines geometry detector sample engine <- c_hkl_engine_list_engine_get_by_name engines cname nullPtr n <- c_hkl_engine_pseudo_axis_names_get engine >>= darrayStringLen yield $ solve' engine n e >>= getSolution0 where getSolution0 :: ForeignPtr HklGeometryList -> IO Geometry And I am using this like this runEffect $ for (each engines) >-> solveTraj factory geometry detector sample >-> P.print where [Engine] engines But When I compile the code I get this error. src/Hkl/C.hsc:83:3: Couldn't match type `IO' with `Proxy () Engine () Geometry IO' Expected type: Proxy () Engine () Geometry IO () Actual type: IO () In a stmt of a 'do' block: withSample s $ \ sample -> withDetector d $ \ detector -> withGeometry f g $ \ geometry -> ... In the expression: do { e <- await; let name = engineName e; withSample s $ \ sample -> withDetector d $ \ detector -> ... } In an equation for `solveTraj': solveTraj f g d s = do { e <- await; let name = ...; withSample s $ \ sample -> withDetector d $ ... } src/Hkl/C.hsc:91:19: Couldn't match type `Proxy x'0 x0 () (IO Geometry) m0' with `IO' Expected type: IO () Actual type: Proxy x'0 x0 () (IO Geometry) m0 () In a stmt of a 'do' block: yield $ solve' engine n e >>= getSolution0 In the expression: do { c_hkl_engine_list_init engines geometry detector sample; engine <- c_hkl_engine_list_engine_get_by_name engines cname nullPtr; n <- c_hkl_engine_pseudo_axis_names_get engine >>= darrayStringLen; yield $ solve' engine n e >>= getSolution0 } In the second argument of `($)', namely `\ cname -> do { c_hkl_engine_list_init engines geometry detector sample; engine <- c_hkl_engine_list_engine_get_by_name engines cname nullPtr; .... }' I do not understand why the yield does not produce the right type as output. I think I missed something big :), but... Thanks for your help Fred

2 13

Building xmonad / X11 fails on Mac OS X 10.11.3 El Capitan.
by Christoph R. Murauer 22 Feb '16

22 Feb '16

Hello ! I tried to build xmonad on Mac OS X 10.11.3 El Capitan and, it fails. For details see the below log. Installed is the latest Haskell Platform 7.10.3 and the latest CLI tools for Xcode. The platform itself works because I build Hakyll before without problems. Thanks for ideas. The username is replaced by USER. Configuring X11-1.6.1.2... Dependency base ==4.8.2.0: using base-4.8.2.0 Dependency data-default ==0.5.3: using data-default-0.5.3 Using Cabal-1.22.5.0 compiled by ghc-7.10 Using compiler: ghc-7.10.3 Using install prefix: /Users/USER/Library/Haskell Binaries installed in: /Users/USER/Library/Haskell/bin Libraries installed in: /Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/X11-1.6.1.2 Private binaries installed in: /Users/USER/Library/Haskell/libexec Data files installed in: /Users/USER/Library/Haskell/share/ghc-7.10.3-x86_64/X11-1.6.1.2 Documentation installed in: /Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/X11-1.6.1.2/doc Configuration files installed in: /Users/USER/Library/Haskell/etc Using alex version 3.1.4 found on system at: /usr/local/bin/alex Using ar found on system at: /usr/bin/ar No c2hs found No cpphs found Using gcc version 4.2.1 found on system at: /usr/bin/gcc Using ghc version 7.10.3 found on system at: /usr/local/bin/ghc Using ghc-pkg version 7.10.3 found on system at: /usr/local/bin/ghc-pkg No ghcjs found No ghcjs-pkg found No greencard found Using haddock version 2.16.1 found on system at: /usr/local/bin/haddock Using happy version 1.19.5 found on system at: /usr/local/bin/happy Using haskell-suite found on system at: haskell-suite-dummy-location Using haskell-suite-pkg found on system at: haskell-suite-pkg-dummy-location No hmake found Using hpc version 0.67 found on system at: /usr/local/bin/hpc Using hsc2hs version 0.67 found on system at: /usr/local/bin/hsc2hs Using hscolour version 1.22 found on system at: /usr/local/bin/HsColour No jhc found Using ld found on system at: /usr/bin/ld No lhc found No lhc-pkg found No pkg-config found Using strip found on system at: /usr/bin/strip Using tar found on system at: /usr/bin/tar No uhc found sh ./configure '--with-compiler=ghc' '--prefix=/Users/USER/Library/Haskell' '--bindir=/Users/USER/Library/Haskell/bin' '--libdir=/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib' '--libexecdir=/Users/USER/Library/Haskell/libexec' '--datadir=/Users/USER/Library/Haskell/share' '--sysconfdir=/Users/USER/Library/Haskell/etc' '--with-gcc=/usr/bin/gcc' configure: WARNING: unrecognized options: --with-compiler, --with-gcc checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking how to run the C preprocessor... gcc -E checking for X... libraries /usr/X11/lib, headers /usr/X11/include checking whether -R must be followed by a space... neither works checking for gethostbyname... yes checking for connect... yes checking for remove... yes checking for shmat... yes checking for IceConnectionNumber in -lICE... yes checking whether to build Xinerama... yes checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking X11/extensions/Xinerama.h usability... yes checking X11/extensions/Xinerama.h presence... yes checking for X11/extensions/Xinerama.h... yes checking X11/extensions/Xrandr.h usability... yes checking X11/extensions/Xrandr.h presence... yes checking for X11/extensions/Xrandr.h... yes checking whether to build XScreenSaver... yes checking X11/extensions/scrnsaver.h usability... yes checking X11/extensions/scrnsaver.h presence... yes checking for X11/extensions/scrnsaver.h... yes checking whether to include X.org keysyms... yes checking X11/keysym.h usability... yes checking X11/keysym.h presence... yes checking for X11/keysym.h... yes checking X11/DECkeysym.h usability... yes checking X11/DECkeysym.h presence... yes checking for X11/DECkeysym.h... yes checking X11/Sunkeysym.h usability... yes checking X11/Sunkeysym.h presence... yes checking for X11/Sunkeysym.h... yes checking X11/ap_keysym.h usability... yes checking X11/ap_keysym.h presence... yes checking for X11/ap_keysym.h... yes checking X11/HPkeysym.h usability... yes checking X11/HPkeysym.h presence... yes checking for X11/HPkeysym.h... yes checking X11/XF86keysym.h usability... yes checking X11/XF86keysym.h presence... yes checking for X11/XF86keysym.h... yes checking X11/keysymdef.h usability... yes checking X11/keysymdef.h presence... yes checking for X11/keysymdef.h... yes checking X11/cursorfont.h usability... yes checking X11/cursorfont.h presence... yes checking for X11/cursorfont.h... yes configure: creating ./config.status config.status: creating config.mk config.status: creating X11.buildinfo config.status: creating include/HsX11Config.h config.status: creating include/X11_extras_config.h configure: WARNING: unrecognized options: --with-compiler, --with-gcc Reading parameters from ./X11.buildinfo Reading parameters from ./X11.buildinfo Component build order: library creating dist/build creating dist/build/autogen Building X11-1.6.1.2... /usr/local/bin/ghc-pkg init dist/package.conf.inplace Preprocessing library X11-1.6.1.2... creating dist/build/Graphics/X11 creating dist/build/Graphics creating dist/build/Graphics/X11 /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Types.hs Graphics/X11/Types.hsc creating dist/build/Graphics/X11/Xlib /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xlib/Atom.hs Graphics/X11/Xlib/Atom.hsc creating dist/build/Graphics/X11/Xlib /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xlib/Cursor.hs Graphics/X11/Xlib/Cursor.hsc creating dist/build/Graphics/X11/Xlib /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xlib/Event.hs Graphics/X11/Xlib/Event.hsc creating dist/build/Graphics/X11/Xlib /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xlib/Font.hs Graphics/X11/Xlib/Font.hsc creating dist/build/Graphics/X11/Xlib /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xlib/Misc.hs Graphics/X11/Xlib/Misc.hsc creating dist/build/Graphics/X11/Xlib /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xlib/Types.hs Graphics/X11/Xlib/Types.hsc creating dist/build/Graphics/X11/Xlib /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xlib/Extras.hs Graphics/X11/Xlib/Extras.hsc creating dist/build/Graphics/X11 /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xinerama.hs Graphics/X11/Xinerama.hsc creating dist/build/Graphics/X11 /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xrandr.hs Graphics/X11/Xrandr.hsc creating dist/build/Graphics/X11 /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/XScreenSaver.hs Graphics/X11/XScreenSaver.hsc creating dist/build/Graphics/X11/ExtraTypes /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/ExtraTypes/AP.hs Graphics/X11/ExtraTypes/AP.hsc In file included from AP.hsc:166: In file included from include/HsAllKeysyms.h:48: /usr/X11/include/X11/HPkeysym.h:58:9: warning: '_HPKEYSYM_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard] #ifndef _HPKEYSYM_H ^~~~~~~~~~~ /usr/X11/include/X11/HPkeysym.h:60:9: note: '_HPKEYSYM' is defined here; did you mean '_HPKEYSYM_H'? #define _HPKEYSYM ^~~~~~~~~ _HPKEYSYM_H 1 warning generated. creating dist/build/Graphics/X11/ExtraTypes /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/ExtraTypes/DEC.hs Graphics/X11/ExtraTypes/DEC.hsc In file included from DEC.hsc:111: In file included from include/HsAllKeysyms.h:48: /usr/X11/include/X11/HPkeysym.h:58:9: warning: '_HPKEYSYM_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard] #ifndef _HPKEYSYM_H ^~~~~~~~~~~ /usr/X11/include/X11/HPkeysym.h:60:9: note: '_HPKEYSYM' is defined here; did you mean '_HPKEYSYM_H'? #define _HPKEYSYM ^~~~~~~~~ _HPKEYSYM_H 1 warning generated. creating dist/build/Graphics/X11/ExtraTypes /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/ExtraTypes/HP.hs Graphics/X11/ExtraTypes/HP.hsc In file included from HP.hsc:504: In file included from include/HsAllKeysyms.h:48: /usr/X11/include/X11/HPkeysym.h:58:9: warning: '_HPKEYSYM_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard] #ifndef _HPKEYSYM_H ^~~~~~~~~~~ /usr/X11/include/X11/HPkeysym.h:60:9: note: '_HPKEYSYM' is defined here; did you mean '_HPKEYSYM_H'? #define _HPKEYSYM ^~~~~~~~~ _HPKEYSYM_H 1 warning generated. creating dist/build/Graphics/X11/ExtraTypes /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/ExtraTypes/Sun.hs Graphics/X11/ExtraTypes/Sun.hsc In file included from Sun.hsc:236: In file included from include/HsAllKeysyms.h:48: /usr/X11/include/X11/HPkeysym.h:58:9: warning: '_HPKEYSYM_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard] #ifndef _HPKEYSYM_H ^~~~~~~~~~~ /usr/X11/include/X11/HPkeysym.h:60:9: note: '_HPKEYSYM' is defined here; did you mean '_HPKEYSYM_H'? #define _HPKEYSYM ^~~~~~~~~ _HPKEYSYM_H 1 warning generated. creating dist/build/Graphics/X11/ExtraTypes /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/ExtraTypes/XF86.hs Graphics/X11/ExtraTypes/XF86.hsc In file included from XF86.hsc:775: In file included from include/HsAllKeysyms.h:48: /usr/X11/include/X11/HPkeysym.h:58:9: warning: '_HPKEYSYM_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard] #ifndef _HPKEYSYM_H ^~~~~~~~~~~ /usr/X11/include/X11/HPkeysym.h:60:9: note: '_HPKEYSYM' is defined here; did you mean '_HPKEYSYM_H'? #define _HPKEYSYM ^~~~~~~~~ _HPKEYSYM_H 1 warning generated. creating dist/build/Graphics/X11/ExtraTypes /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/ExtraTypes/XorgDefault.hs Graphics/X11/ExtraTypes/XorgDefault.hsc In file included from XorgDefault.hsc:10047: In file included from include/HsAllKeysyms.h:48: /usr/X11/include/X11/HPkeysym.h:58:9: warning: '_HPKEYSYM_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard] #ifndef _HPKEYSYM_H ^~~~~~~~~~~ /usr/X11/include/X11/HPkeysym.h:60:9: note: '_HPKEYSYM' is defined here; did you mean '_HPKEYSYM_H'? #define _HPKEYSYM ^~~~~~~~~ _HPKEYSYM_H 1 warning generated. creating dist/build/Graphics/X11/Xlib /usr/local/bin/hsc2hs '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc' '--cflag=-D__GLASGOW_HASKELL__=710' '--cflag=-Ddarwin_BUILD_OS=1' '--cflag=-Dx86_64_BUILD_ARCH=1' '--cflag=-Ddarwin_HOST_OS=1' '--cflag=-Dx86_64_HOST_ARCH=1' '--cflag=-Iinclude' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-I/usr/X11/include' '--cflag=-Idist/build/autogen' '--cflag=-include' '--cflag=dist/build/autogen/cabal_macros.h' '--lflag=-lXss' '--lflag=-lXinerama' '--lflag=-lXext' '--lflag=-lX11' '--lflag=-lXrandr' '--lflag=-lXext' '--lflag=-L/usr/X11/lib' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS/include' '--cflag=-I/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/include' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-0.5.3' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-old-locale-0.0.1' '--lflag=-L/Library/Haskell/ghc-7.10.3-x86_64/lib/old-locale-1.0.0.7' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-dlist-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/dlist-0.7.1.2' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-containers-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-instances-base-0.0.1' '--lflag=-L/Users/USER/Library/Haskell/ghc-7.10.3-x86_64/lib/data-default-class-0.0.1' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/conta_2C3ZI8RgPO2LBMidXKTvIU' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/deeps_6vMKxt5sPFR0XsbRWvvq59' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/array_67iodizgJQIIxYVTp4emlA' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/base_HQfYBxpPvuw8OunzQu6JGM' '--lflag=-liconv' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/integ_2aU3IZNMF9a7mQ0OzsZ0dS' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/ghcpr_8TmvWUcS1U1IKHT0levwg3' '--lflag=-L/Library/Frameworks/GHC.framework/Versions/7.10.3-x86_64/usr/lib/ghc-7.10.3/rts' '--lflag=-lm' '--lflag=-ldl' -o dist/build/Graphics/X11/Xlib/Internal.hs Graphics/X11/Xlib/Internal.hsc Building library... creating dist/build /usr/local/bin/ghc --make -fbuilding-cabal-package -O -static -dynamic-too -dynosuf dyn_o -dynhisuf dyn_hi -outputdir dist/build -odir dist/build -hidir dist/build -stubdir dist/build -i -idist/build -i. -idist/build/autogen -Idist/build/autogen -Idist/build -Iinclude -optP-include -optPdist/build/autogen/cabal_macros.h -this-package-key X11_IWliEAOAW3jLTNM8XZxGwo -hide-all-packages -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 -XHaskell98 -XForeignFunctionInterface -XCPP Graphics.X11 Graphics.X11.Types Graphics.X11.Xlib Graphics.X11.Xlib.Atom Graphics.X11.Xlib.Color Graphics.X11.Xlib.Context Graphics.X11.Xlib.Cursor Graphics.X11.Xlib.Display Graphics.X11.Xlib.Event Graphics.X11.Xlib.Font Graphics.X11.Xlib.Misc Graphics.X11.Xlib.Region Graphics.X11.Xlib.Screen Graphics.X11.Xlib.Types Graphics.X11.Xlib.Window Graphics.X11.Xlib.Image Graphics.X11.Xlib.Extras Graphics.X11.Xinerama Graphics.X11.Xrandr Graphics.X11.XScreenSaver Graphics.X11.ExtraTypes Graphics.X11.ExtraTypes.AP Graphics.X11.ExtraTypes.DEC Graphics.X11.ExtraTypes.HP Graphics.X11.ExtraTypes.Sun Graphics.X11.ExtraTypes.XF86 Graphics.X11.ExtraTypes.XorgDefault Graphics.X11.Xlib.Internal -funbox-strict-fields -Wall -fno-warn-unused-binds [ 1 of 28] Compiling Graphics.X11.Xlib.Internal ( dist/build/Graphics/X11/Xlib/Internal.hs, dist/build/Graphics/X11/Xlib/Internal.o ) [ 2 of 28] Compiling Graphics.X11.Types ( dist/build/Graphics/X11/Types.hs, dist/build/Graphics/X11/Types.o ) Graphics/X11/Types.hsc:61:1: Warning: Tab character [ 3 of 28] Compiling Graphics.X11.Xlib.Types ( dist/build/Graphics/X11/Xlib/Types.hs, dist/build/Graphics/X11/Xlib/Types.o ) [ 4 of 28] Compiling Graphics.X11.Xlib.Display ( Graphics/X11/Xlib/Display.hs, dist/build/Graphics/X11/Xlib/Display.o ) [ 5 of 28] Compiling Graphics.X11.Xlib.Event ( dist/build/Graphics/X11/Xlib/Event.hs, dist/build/Graphics/X11/Xlib/Event.o ) [ 6 of 28] Compiling Graphics.X11.Xlib.Screen ( Graphics/X11/Xlib/Screen.hs, dist/build/Graphics/X11/Xlib/Screen.o ) [ 7 of 28] Compiling Graphics.X11.Xlib.Window ( Graphics/X11/Xlib/Window.hs, dist/build/Graphics/X11/Xlib/Window.o ) [ 8 of 28] Compiling Graphics.X11.Xlib.Context ( Graphics/X11/Xlib/Context.hs, dist/build/Graphics/X11/Xlib/Context.o ) [ 9 of 28] Compiling Graphics.X11.Xlib.Color ( Graphics/X11/Xlib/Color.hs, dist/build/Graphics/X11/Xlib/Color.o ) [10 of 28] Compiling Graphics.X11.Xlib.Font ( dist/build/Graphics/X11/Xlib/Font.hs, dist/build/Graphics/X11/Xlib/Font.o ) Graphics/X11/Xlib/Font.hsc:23:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:58:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:73:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:82:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:83:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:84:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:85:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:87:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:94:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:95:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:96:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:98:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:102:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:107:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:111:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:115:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:138:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:139:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:140:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:141:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:142:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:143:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:144:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:148:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:149:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:150:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:151:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:152:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:153:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:154:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:155:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:156:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:157:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:164:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:165:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:166:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:167:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:168:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:169:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:170:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:171:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:172:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:173:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:174:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:175:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:177:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:178:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:179:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:186:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:187:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:189:1: Warning: Tab character [11 of 28] Compiling Graphics.X11.Xlib.Cursor ( dist/build/Graphics/X11/Xlib/Cursor.hs, dist/build/Graphics/X11/Xlib/Cursor.o ) [12 of 28] Compiling Graphics.X11.Xlib.Atom ( dist/build/Graphics/X11/Xlib/Atom.hs, dist/build/Graphics/X11/Xlib/Atom.o ) [13 of 28] Compiling Graphics.X11.Xlib.Region ( Graphics/X11/Xlib/Region.hs, dist/build/Graphics/X11/Xlib/Region.o ) [14 of 28] Compiling Graphics.X11.Xlib.Image ( Graphics/X11/Xlib/Image.hs, dist/build/Graphics/X11/Xlib/Image.o ) [15 of 28] Compiling Graphics.X11.Xlib.Misc ( dist/build/Graphics/X11/Xlib/Misc.hs, dist/build/Graphics/X11/Xlib/Misc.o ) Graphics/X11/Xlib/Misc.hsc:698:10: Warning: Orphan instance: instance Default VisualInfo To avoid this move the instance declaration to the module of the class or of the type, or wrap the type with a newtype and declare the instance on the new type. [16 of 28] Compiling Graphics.X11.Xrandr ( dist/build/Graphics/X11/Xrandr.hs, dist/build/Graphics/X11/Xrandr.o ) [17 of 28] Compiling Graphics.X11.ExtraTypes.AP ( dist/build/Graphics/X11/ExtraTypes/AP.hs, dist/build/Graphics/X11/ExtraTypes/AP.o ) [18 of 28] Compiling Graphics.X11.ExtraTypes.DEC ( dist/build/Graphics/X11/ExtraTypes/DEC.hs, dist/build/Graphics/X11/ExtraTypes/DEC.o ) [19 of 28] Compiling Graphics.X11.ExtraTypes.HP ( dist/build/Graphics/X11/ExtraTypes/HP.hs, dist/build/Graphics/X11/ExtraTypes/HP.o ) [20 of 28] Compiling Graphics.X11.ExtraTypes.Sun ( dist/build/Graphics/X11/ExtraTypes/Sun.hs, dist/build/Graphics/X11/ExtraTypes/Sun.o ) [21 of 28] Compiling Graphics.X11.ExtraTypes.XF86 ( dist/build/Graphics/X11/ExtraTypes/XF86.hs, dist/build/Graphics/X11/ExtraTypes/XF86.o ) [22 of 28] Compiling Graphics.X11.ExtraTypes.XorgDefault ( dist/build/Graphics/X11/ExtraTypes/XorgDefault.hs, dist/build/Graphics/X11/ExtraTypes/XorgDefault.o ) [23 of 28] Compiling Graphics.X11.ExtraTypes ( Graphics/X11/ExtraTypes.hs, dist/build/Graphics/X11/ExtraTypes.o ) Graphics/X11/ExtraTypes.hs:16:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:17:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:18:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:19:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:20:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:21:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:22:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:23:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:25:1: Warning: Tab character [24 of 28] Compiling Graphics.X11.Xlib ( Graphics/X11/Xlib.hs, dist/build/Graphics/X11/Xlib.o ) Graphics/X11/Xlib.hs:23:1: Warning: Tab character Graphics/X11/Xlib.hs:24:1: Warning: Tab character Graphics/X11/Xlib.hs:26:1: Warning: Tab character Graphics/X11/Xlib.hs:27:1: Warning: Tab character Graphics/X11/Xlib.hs:29:1: Warning: Tab character Graphics/X11/Xlib.hs:30:1: Warning: Tab character Graphics/X11/Xlib.hs:31:1: Warning: Tab character Graphics/X11/Xlib.hs:33:1: Warning: Tab character Graphics/X11/Xlib.hs:47:1: Warning: Tab character [25 of 28] Compiling Graphics.X11.Xlib.Extras ( dist/build/Graphics/X11/Xlib/Extras.hs, dist/build/Graphics/X11/Xlib/Extras.o ) [26 of 28] Compiling Graphics.X11.Xinerama ( dist/build/Graphics/X11/Xinerama.hs, dist/build/Graphics/X11/Xinerama.o ) [27 of 28] Compiling Graphics.X11.XScreenSaver ( dist/build/Graphics/X11/XScreenSaver.hs, dist/build/Graphics/X11/XScreenSaver.o ) [28 of 28] Compiling Graphics.X11 ( Graphics/X11.hs, dist/build/Graphics/X11.o ) /usr/local/bin/ghc --make -fbuilding-cabal-package -O -prof -osuf p_o -hisuf p_hi -outputdir dist/build -odir dist/build -hidir dist/build -stubdir dist/build -i -idist/build -i. -idist/build/autogen -Idist/build/autogen -Idist/build -Iinclude -optP-include -optPdist/build/autogen/cabal_macros.h -this-package-key X11_IWliEAOAW3jLTNM8XZxGwo -hide-all-packages -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 -XHaskell98 -XForeignFunctionInterface -XCPP Graphics.X11 Graphics.X11.Types Graphics.X11.Xlib Graphics.X11.Xlib.Atom Graphics.X11.Xlib.Color Graphics.X11.Xlib.Context Graphics.X11.Xlib.Cursor Graphics.X11.Xlib.Display Graphics.X11.Xlib.Event Graphics.X11.Xlib.Font Graphics.X11.Xlib.Misc Graphics.X11.Xlib.Region Graphics.X11.Xlib.Screen Graphics.X11.Xlib.Types Graphics.X11.Xlib.Window Graphics.X11.Xlib.Image Graphics.X11.Xlib.Extras Graphics.X11.Xinerama Graphics.X11.Xrandr Graphics.X11.XScreenSaver Graphics.X11.ExtraTypes Graphics.X11.ExtraTypes.AP Graphics.X11.ExtraTypes.DEC Graphics.X11.ExtraTypes.HP Graphics.X11.ExtraTypes.Sun Graphics.X11.ExtraTypes.XF86 Graphics.X11.ExtraTypes.XorgDefault Graphics.X11.Xlib.Internal -funbox-strict-fields -Wall -fno-warn-unused-binds -prof -auto-all [ 1 of 28] Compiling Graphics.X11.Xlib.Internal ( dist/build/Graphics/X11/Xlib/Internal.hs, dist/build/Graphics/X11/Xlib/Internal.p_o ) [ 2 of 28] Compiling Graphics.X11.Types ( dist/build/Graphics/X11/Types.hs, dist/build/Graphics/X11/Types.p_o ) Graphics/X11/Types.hsc:61:1: Warning: Tab character [ 3 of 28] Compiling Graphics.X11.Xlib.Types ( dist/build/Graphics/X11/Xlib/Types.hs, dist/build/Graphics/X11/Xlib/Types.p_o ) [ 4 of 28] Compiling Graphics.X11.Xlib.Display ( Graphics/X11/Xlib/Display.hs, dist/build/Graphics/X11/Xlib/Display.p_o ) [ 5 of 28] Compiling Graphics.X11.Xlib.Event ( dist/build/Graphics/X11/Xlib/Event.hs, dist/build/Graphics/X11/Xlib/Event.p_o ) [ 6 of 28] Compiling Graphics.X11.Xlib.Screen ( Graphics/X11/Xlib/Screen.hs, dist/build/Graphics/X11/Xlib/Screen.p_o ) [ 7 of 28] Compiling Graphics.X11.Xlib.Window ( Graphics/X11/Xlib/Window.hs, dist/build/Graphics/X11/Xlib/Window.p_o ) [ 8 of 28] Compiling Graphics.X11.Xlib.Context ( Graphics/X11/Xlib/Context.hs, dist/build/Graphics/X11/Xlib/Context.p_o ) [ 9 of 28] Compiling Graphics.X11.Xlib.Color ( Graphics/X11/Xlib/Color.hs, dist/build/Graphics/X11/Xlib/Color.p_o ) [10 of 28] Compiling Graphics.X11.Xlib.Font ( dist/build/Graphics/X11/Xlib/Font.hs, dist/build/Graphics/X11/Xlib/Font.p_o ) Graphics/X11/Xlib/Font.hsc:23:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:58:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:73:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:82:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:83:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:84:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:85:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:87:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:94:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:95:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:96:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:98:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:102:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:107:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:111:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:115:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:138:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:139:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:140:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:141:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:142:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:143:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:144:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:148:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:149:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:150:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:151:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:152:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:153:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:154:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:155:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:156:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:157:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:164:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:165:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:166:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:167:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:168:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:169:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:170:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:171:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:172:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:173:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:174:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:175:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:177:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:178:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:179:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:186:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:187:1: Warning: Tab character Graphics/X11/Xlib/Font.hsc:189:1: Warning: Tab character [11 of 28] Compiling Graphics.X11.Xlib.Cursor ( dist/build/Graphics/X11/Xlib/Cursor.hs, dist/build/Graphics/X11/Xlib/Cursor.p_o ) [12 of 28] Compiling Graphics.X11.Xlib.Atom ( dist/build/Graphics/X11/Xlib/Atom.hs, dist/build/Graphics/X11/Xlib/Atom.p_o ) [13 of 28] Compiling Graphics.X11.Xlib.Region ( Graphics/X11/Xlib/Region.hs, dist/build/Graphics/X11/Xlib/Region.p_o ) [14 of 28] Compiling Graphics.X11.Xlib.Image ( Graphics/X11/Xlib/Image.hs, dist/build/Graphics/X11/Xlib/Image.p_o ) [15 of 28] Compiling Graphics.X11.Xlib.Misc ( dist/build/Graphics/X11/Xlib/Misc.hs, dist/build/Graphics/X11/Xlib/Misc.p_o ) Graphics/X11/Xlib/Misc.hsc:698:10: Warning: Orphan instance: instance Default VisualInfo To avoid this move the instance declaration to the module of the class or of the type, or wrap the type with a newtype and declare the instance on the new type. [16 of 28] Compiling Graphics.X11.Xrandr ( dist/build/Graphics/X11/Xrandr.hs, dist/build/Graphics/X11/Xrandr.p_o ) [17 of 28] Compiling Graphics.X11.ExtraTypes.AP ( dist/build/Graphics/X11/ExtraTypes/AP.hs, dist/build/Graphics/X11/ExtraTypes/AP.p_o ) [18 of 28] Compiling Graphics.X11.ExtraTypes.DEC ( dist/build/Graphics/X11/ExtraTypes/DEC.hs, dist/build/Graphics/X11/ExtraTypes/DEC.p_o ) [19 of 28] Compiling Graphics.X11.ExtraTypes.HP ( dist/build/Graphics/X11/ExtraTypes/HP.hs, dist/build/Graphics/X11/ExtraTypes/HP.p_o ) [20 of 28] Compiling Graphics.X11.ExtraTypes.Sun ( dist/build/Graphics/X11/ExtraTypes/Sun.hs, dist/build/Graphics/X11/ExtraTypes/Sun.p_o ) [21 of 28] Compiling Graphics.X11.ExtraTypes.XF86 ( dist/build/Graphics/X11/ExtraTypes/XF86.hs, dist/build/Graphics/X11/ExtraTypes/XF86.p_o ) [22 of 28] Compiling Graphics.X11.ExtraTypes.XorgDefault ( dist/build/Graphics/X11/ExtraTypes/XorgDefault.hs, dist/build/Graphics/X11/ExtraTypes/XorgDefault.p_o ) [23 of 28] Compiling Graphics.X11.ExtraTypes ( Graphics/X11/ExtraTypes.hs, dist/build/Graphics/X11/ExtraTypes.p_o ) Graphics/X11/ExtraTypes.hs:16:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:17:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:18:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:19:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:20:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:21:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:22:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:23:1: Warning: Tab character Graphics/X11/ExtraTypes.hs:25:1: Warning: Tab character [24 of 28] Compiling Graphics.X11.Xlib ( Graphics/X11/Xlib.hs, dist/build/Graphics/X11/Xlib.p_o ) Graphics/X11/Xlib.hs:23:1: Warning: Tab character Graphics/X11/Xlib.hs:24:1: Warning: Tab character Graphics/X11/Xlib.hs:26:1: Warning: Tab character Graphics/X11/Xlib.hs:27:1: Warning: Tab character Graphics/X11/Xlib.hs:29:1: Warning: Tab character Graphics/X11/Xlib.hs:30:1: Warning: Tab character Graphics/X11/Xlib.hs:31:1: Warning: Tab character Graphics/X11/Xlib.hs:33:1: Warning: Tab character Graphics/X11/Xlib.hs:47:1: Warning: Tab character [25 of 28] Compiling Graphics.X11.Xlib.Extras ( dist/build/Graphics/X11/Xlib/Extras.hs, dist/build/Graphics/X11/Xlib/Extras.p_o ) [26 of 28] Compiling Graphics.X11.Xinerama ( dist/build/Graphics/X11/Xinerama.hs, dist/build/Graphics/X11/Xinerama.p_o ) [27 of 28] Compiling Graphics.X11.XScreenSaver ( dist/build/Graphics/X11/XScreenSaver.hs, dist/build/Graphics/X11/XScreenSaver.p_o ) [28 of 28] Compiling Graphics.X11 ( Graphics/X11.hs, dist/build/Graphics/X11.p_o ) Building C Sources... creating dist/build /usr/local/bin/ghc -c -fPIC -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/fdset.c /usr/local/bin/ghc -c -dynamic -fPIC -osuf dyn_o -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/fdset.c /usr/local/bin/ghc -c -prof -fPIC -osuf p_o -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/fdset.c creating dist/build /usr/local/bin/ghc -c -fPIC -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/auxiliaries.c /usr/local/bin/ghc -c -dynamic -fPIC -osuf dyn_o -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/auxiliaries.c /usr/local/bin/ghc -c -prof -fPIC -osuf p_o -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/auxiliaries.c creating dist/build /usr/local/bin/ghc -c -fPIC -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/XUtils.c /usr/local/bin/ghc -c -dynamic -fPIC -osuf dyn_o -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/XUtils.c /usr/local/bin/ghc -c -prof -fPIC -osuf p_o -odir dist/build -Idist/build/autogen -Idist/build -Iinclude -optc-O2 -optc-I/usr/X11/include -package-db dist/package.conf.inplace -package-id base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25 -package-id data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2 cbits/XUtils.c Linking... [(InstalledPackageId "base-4.8.2.0-cc43d8e06aa74e9c4c0132becc49ee25",PackageIdentifier {pkgName = PackageName {unPackageName = "base"}, pkgVersion = Version {versionBranch = [4,8,2,0], versionTags = []}},ModuleRenaming True []),(InstalledPackageId "data-default-0.5.3-9dff3193f506bb1167ea34cbb11b90f2",PackageIdentifier {pkgName = PackageName {unPackageName = "data-default"}, pkgVersion = Version {versionBranch = [0,5,3], versionTags = []}},ModuleRenaming True [])] /usr/bin/ar -r -s dist/build/objs-34820/libHSX11-1.6.1.2-IWliEAOAW3jLTNM8XZxGwo.a dist/build/Graphics/X11.o dist/build/Graphics/X11/Types.o dist/build/Graphics/X11/Xlib.o dist/build/Graphics/X11/Xlib/Atom.o dist/build/Graphics/X11/Xlib/Color.o dist/build/Graphics/X11/Xlib/Context.o dist/build/Graphics/X11/Xlib/Cursor.o dist/build/Graphics/X11/Xlib/Display.o dist/build/Graphics/X11/Xlib/Event.o dist/build/Graphics/X11/Xlib/Font.o dist/build/Graphics/X11/Xlib/Misc.o dist/build/Graphics/X11/Xlib/Region.o 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dist/build/Graphics/X11/ExtraTypes/AP.dyn_o dist/build/Graphics/X11/ExtraTypes/DEC.dyn_o dist/build/Graphics/X11/ExtraTypes/HP.dyn_o dist/build/Graphics/X11/ExtraTypes/Sun.dyn_o dist/build/Graphics/X11/ExtraTypes/XF86.dyn_o dist/build/Graphics/X11/ExtraTypes/XorgDefault.dyn_o dist/build/Graphics/X11/Xlib/Internal.dyn_o dist/build/cbits/fdset.dyn_o dist/build/cbits/auxiliaries.dyn_o dist/build/cbits/XUtils.dyn_o -o dist/build/libHSX11-1.6.1.2-IWliEAOAW3jLTNM8XZxGwo-ghc7.10.3.dylib ld: library not found for -lXss clang: error: linker command failed with exit code 1 (use -v to see invocation) EOF

1 1

Problems with IO an laziness
by Dmitry Mamontov 18 Feb '16

18 Feb '16

I am a Haskell beginner. I've tried to write a tiny VM-like thing but ran into a problems with IO and evaluation order. Here is the full source code of this VM: https://gist.github.com/mamontov-cpp/c4d8e2e46e7541c0c646 . This code is supposed to read 4 strings and output them in reverse order. While it seems to read some strings, it requests much more than one string from user on each step of evaluation of meta-program, stored as array in main function (which is just wrong). I assume the problem with this program, is that the main state, being immutable, seems to get re-evaluated on several steps inside of internal parts of runProgram and runInstructionOrStop, forcing it to repeat requesting data from user. So, how can I prevent this main state from being re-evaluated in following code ? Or is there any other problems, which I don't see?

2 2

arrows and 2-tuples
by Dennis Raddle 17 Feb '16

17 Feb '16

I am a Haskell beginner. I have used arrows occasionally to move 2-tuples around, but don't understand more than that. I'm interested in know what's the connection between arrows and 2-tuples. I don't really understand most of the Control.Arrow docs, but it seems that a lot of stuff about arrows doesn't mention 2-tuples. Yet the operators (***), (&&&), first, and second seem to be common. Is there some way to explain the link? Also, the main instance of Arrow seems to be (->). There is also something about Kleisli monads, but I don't know what those are. Is there an another big use case for arrows besides (->)? Don't worry about explaining it all, just a quick mention would be fine and I can investigate it myself. D

2 4

GLUT bindings on Mac OS X 10.11
by C Gosch 15 Feb '16

15 Feb '16

Hello Haskellers, I have used Haskell for a bit on Linux and Windows, and now started using OS X 10.11. I wanted to run a program using the GLUT bindings, and it complains about "user error (unknown GLUT entry glutSetOption)” when I set certain options with ($=), for example actionOnWindowClose. A bit of googling did not gain me much other than that glutSetOption is available in freeGlut, which is not the standard GLUT on Mac OS X, it seems. Does anyone have an idea how to get around this? Can I replace OS X’s GLUT with FreeGLUT? Thanks a bundle, Christian

1 0

Random Numbers with the State Monad
by Thomas Jakway 13 Feb '16

13 Feb '16

I'm having a bad time using the State monad to generate random numbers without carrying around a lot of StdGens manually. I have this snippet in the IO monad: ... IO stuff ... gen <- getStdGen let (numPlayers, numMatches) = (evalState genRandVariables gen) :: (Integer, Integer) ... More IO stuff ... where maxRandPlayers = 10 :: Integer minRandMatches = 10 :: Integer maxRandMatches = 100 :: Integer genRandVariables = (do np <- randomR (1, maxRandPlayers) --minimum 1 other player nm <- randomR (minRandMatches, maxRandMatches) return (np, nm)) :: State StdGen (Integer, Integer) I get this error message: test/Jakway/Blackjack/Tests/IntegrationTests/MatchTests.hs:53:23: Couldn't match expected type ‘StateT StdGen Data.Functor.Identity.Identity Integer’ with actual type ‘g0 -> (Integer, g0)’ Probable cause: ‘randomR’ is applied to too few arguments In a stmt of a 'do' block: np <- randomR (1, maxRandPlayers) In the expression: (do { np <- randomR (1, maxRandPlayers); nm <- randomR (minRandMatches, maxRandMatches); return (np, nm) }) :: State StdGen (Integer, Integer) test/Jakway/Blackjack/Tests/IntegrationTests/MatchTests.hs:54:23: Couldn't match expected type ‘StateT StdGen Data.Functor.Identity.Identity Integer’ with actual type ‘g1 -> (Integer, g1)’ Probable cause: ‘randomR’ is applied to too few arguments In a stmt of a 'do' block: nm <- randomR (minRandMatches, maxRandMatches) In the expression: (do { np <- randomR (1, maxRandPlayers); nm <- randomR (minRandMatches, maxRandMatches); return (np, nm) }) :: State StdGen (Integer, Integer) What's really baffling to me is I feel like this is how it *should* look--that the whole point of the state monad is to *not* have to explicitly pass the StdGen to randomR. What am I doing wrong?

3 4

Unequal types constraint
by Imants Cekusins 12 Feb '16

12 Feb '16

class C a b instance C Int a -- when a /= Int instance C a a -- when a == a how would you do this without IncoherentInstances?

1 0

while loop
by PICCA Frederic-Emmanuel 11 Feb '16

11 Feb '16

Hello, I am playing with FFI and I need to extract from a C API a list of pointers. I have two methods available c_get_first_item :: Ptr List -> IO (Ptr Item) c_get_next_item :: Ptr List -> Ptr Item -> IO (Ptr Item) I would like to obtain a [Ptr Item] I try to used whileM but I did not find how to inject the first item in the loop. whileM (return . ( /= nullPtr)) (c_get_next_item list item) the c_get_next_item return a nullPtr when there is no remaining item. what is the haskell way in order to extract a list of pointer using these C methods ? thanks for your help Frederic

2 2

Understanding wrap function in Connor McBride's Faking It
by Ben Rogalski 09 Feb '16

09 Feb '16

Hello, I am working on a Vector class, heavily based on the paper "Faking It: Simulating Dependent Types in Haskell" by Connor McBride. Here is a stripped down version of my code: --- {-# LANGUAGE RankNTypes #-} import Control.Applicative import Data.Functor infixr 5 :. data Cons u t = (:.) t (u t) deriving (Show) data Nil t = Nil deriving (Show) class (Applicative v, Functor v) => Vector v where wrap :: (forall u. Vector u => s -> f (u t) -> f (Cons u t)) -> f (Nil t) -> v s -> f (v t) instance (Vector u) => Vector (Cons u) where wrap f n (x:.xs) = f x (wrap f n xs) instance Vector Nil where wrap _ n Nil = n instance (Applicative u) => Applicative (Cons u) where pure x = x:.(pure x) (f:.fs) <*> (x:.xs) = (f x):.(fs <*> xs) instance Applicative Nil where pure _ = Nil _ <*> _ = Nil instance (Functor u) => Functor (Cons u) where fmap f (x:.xs) = (f x):.(fmap f xs) instance Functor Nil where fmap _ Nil = Nil transpose :: (Vector w, Vector u) => w (u t) -> u (w t) transpose v = wrap (\x xs -> (:.) <$> x <*> xs) (pure Nil) v --- I am having trouble understanding the type signature of 'wrap'. This is how I interpret it: (function that takes an 's' and container of 'u t' and returns a container of 'Cons u t') -> (container of 'Nil') -> (a vector of 's') -> (a container with the same type as the container of Nil, but containing v t instead) What doesn't make sense to me is how the signature seems to imply that the structure of the container in the return type is the same as the structure of the container holding the Nils, but in 'transpose' the container holding Nil seems to be infinite. Can someone help me to understand what is going on here? Thanks, Ben

1 0