m (→wxWidgets 2.9 and wxHaskell 0.90.x)
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Latest revision as of 23:26, 20 January 2016
 1 wxWidgets 3.0 and wxHaskell >= 0.92
 1.1 Installing the easy way
The easiest way to install wxHaskell on Windows, is to use a wxInstall package. wxInstall Achelanne contains wxWidgets 3.0, compiled with GCC 5.2.0, the necessary DLLs, and an installation script to install wxHaskell. It is available in 32 bit and in 64 bit and can be used for GHC 7.10.3 and later.
wxInstall Abriline installs wxWidgets 3.0 together with the latest wxHaskell packages from Hackage and is available for 32 bit GHC, using GCC 4.5.2 and for 64 bit GHC using GCC 4.6.3; this means Abriline can be used (amongst others) for Haskell Platforms 2013.2.0.0, 2014.2.0.0 and 7.10.2, and MinGHC 7.10.1. The Haskell packages are installed locally.
- If the most recent wxHaskell packages are already installed, unregister them first (with
ghc-pkg unregister <package name>).
- Download one of the installation packages and unzip it to its destination directory.
- Click on Install.bat; the wxHaskell packages will be installed.
- Adjust your search path as advised by Install.bat
To test wxHaskell, install wxAsteroids with:
cabal install wxAsteroids
and run it with command
wxAsteroids (the directory %APPDATA%\cabal\bin must be in your search path).
You can update to a newer version of wxHaskell by running Install.bat again; for a newer version of wxWidgets, a new configuration of this package is needed.
 1.2 Installing the hard way
This is something you do if there is no installation package available for your configuration, or you want to modify wxHaskell.
wxHaskell binds to wxWidgets, so wxWidgets must be installed first.
We will install wxWidgets with the GCC that is packaged with GHC, to prevent incompatibilities between object/archive files.
You need mingw32-make.exe from MinGW and sh.exe from MSYS in your search path. If you do not have it yet, install GIT. Download wx-config.exe (a new version for wxWidgets > 3.0) and copy it somewhere into your search path.
 1.2.1 Installing wxWidgets
Install the wxWidgets source in C:\Libs\wxWidgets\3.0.2
Commands to compile wxWidgets and wxHaskell with Haskell Platform 2014.2.0.0 and later:
Set WXWIDGETS_VERSION=3.0.2 Set WXWIN=C:\Libs\wxWidgets\%WXWIDGETS_VERSION% Cd %WXWIN%\build\msw
Edit config.gcc so that the following values are set:
SHARED ?= 1 BUILD ?= release
If you are using GCC 5.2.0 (which is included with GHC 7.10.3), change CXXFLAGS as well:
CXXFLAGS ?= -std=gnu++11 -Wno-deprecated-declarations
(Without -Wno-deprecated-declarations, you will get a huge amount of useless 'deprecated' messages.) If you want to compile 64 bit binaries, set the following as well (64 bit compilation requires GCC > 4.6, which comes with GHC > 7.10):
# Standard flags for CC CFLAGS ?= -m64 # Standard flags for C++ CXXFLAGS ?= -m64 # Standard preprocessor flags (common for CC and CXX) CPPFLAGS ?= -D_M_AMD64
Edit ..\..\include\wx\msw\setup.h, change line 788 from
# define wxUSE_GRAPHICS_CONTEXT 0
# define wxUSE_GRAPHICS_CONTEXT 1
Set the environment variables
- for Haskell Platform 2014.2.0.0:
Set HASKELL_COMPILER_DIR=C:\Program Files\Haskell Platform\2014.2.0.0 Set PATH=%HASKELL_COMPILER_DIR%\mingw\libexec\gcc\mingw32\4.5.2\;%HASKELL_COMPILER_DIR%\lib\extralibs\bin;%HASKELL_COMPILER_DIR%\bin;%HASKELL_COMPILER_DIR%\mingw\bin;%path% Set LIBRARY_PATH=%HASKELL_COMPILER_DIR%\mingw\lib;%HASKELL_COMPILER_DIR%\mingw\lib\gcc\mingw32\4.5.2;%LIBRARY_PATH%
- for Haskell Platform 7.10.2-a:
Set HASKELL_COMPILER_DIR=C:\Program Files\Haskell Platform\7.10.2-a Set Path=%HASKELL_COMPILER_DIR%\lib\extralibs\bin;%HASKELL_COMPILER_DIR%\bin;%HASKELL_COMPILER_DIR%\mingw\bin;%path% Set LIBRARY_PATH=%WXWIN%\lib\gcc_lib;%HASKELL_COMPILER_DIR%\mingw\lib;%LIBRARY_PATH%
Clean and build wxWidgets, using the MinGW shell:
sh -c "mingw32-make -f makefile.gcc clean" sh -c "mingw32-make -f makefile.gcc all"
There will be many linker warnings for old versions of GCC, those are solved in a more recent GCC version. The result is now in %WXWIN%\lib\gcc_dll
If you get a message like
'c:/Program' is not recognized as an internal or external command,
there is probably a space in the path to an executable. It is better to install the Haskel Platform in a directory without spaces in the full name, but there is another solution: use the old fashioned short names, like:
(Use the MS-DOS command
dir /x to see the correct short names)
If you get a message about denied access: if you already compiled and ran a wxHaskell program, the wxWidgets DLLs are loaded and cannot be overwritten. Restart the computer.
 1.2.2 Installing wxHaskell
Using the environment variables HASKELL_COMPILER_DIR and WXWIN from the previous subsection:
Set WXCFG=gcc_dll\mswu Set CPLUS_INCLUDE_PATH=%HASKELL_COMPILER_DIR%\mingw\lib\gcc\mingw32\4.5.2\include\c++;%WXWIN%\include Set LIBRARY_PATH=%WXWIN%\lib\gcc_lib;%HASKELL_COMPILER_DIR%\mingw\lib\
 184.108.40.206 From GitHub
You can get wxHaskell from Hackage and from GitHub; to install the most recent version of wxHaskell from the repository:
Cd <Where\you\want\to\install\wxHaskell> git clone https://github.com/wxHaskell/wxHaskell.git Cd wxHaskell cabal install .\wxdirect cabal install .\wxc cabal install .\wxcore cabal install .\wx
Make sure that all below mentioned DLLs are in the search path and try a sample program:
Cd samples\wxcore ghc BouncingBalls BouncingBalls
Click with the left mouse button on the window to create new bouncing balls.
If you get an exception code 0xc000007b immediately after starting your wxHaskell program, there is a mismatch between bitness of your program and the bitness of the wxWidgets DLLs. Note, that the package wxc checks the bitness at installation time, but things can go wrong afterwards, like changing the search path to point to a different version of the wxWidgets DLLs.
 220.127.116.11 From Hackage
To install the wxHaskell from Hackage:
cabal install wx
 2 wxWidgets 3.0 and wxHaskell 0.91.x
- If you want to install from Hackage: MinGW 5.1.6 and MSYS 1.0.11 (a recent version of MinGW will result in incompatible DLLs). You must select the C++ compiler and MinGW-make options when installing MinGW. Add the full path to directories MinGW\bin and msys\1.0\bin to your search path. If you install the most recent version from GitHub, use the same version of GCC as the one that comes with GHC (use command
gcc --version), to prevent compatibility problems.
- GHC_VERSION: 7.8.3 (some recent version)
- WXC_VERSION: 0.91.0.0 (preferably the most recent version, see Hackage)
- WXWIN: C:\wxWidgets-3.0.2
- WXCFG: gcc_dll\mswu
- PATH: (add these) %WXWIN%\lib\gcc_dll;%WXWIN%;%APPDATA%\cabal\bin;%APPDATA%\cabal\i386-windows-ghc-%GHC_VERSION%\wxc-%WXC_VERSION%
If you are using a cabal sandbox, you must add the following to your search path:
to ensure that wxdirect.exe can be found.
- Make sure, that the GCC from the MinGW package is used for compilation of wxWidgets, by adding its directory to the start of the search path, with a command like:
- Download wxWidgets 3.0.2 source
- Extract to C:\wxWidgets-3.0.2
- Build wxWidgets-3.0.2
Edit wxwidgets-src-dir\build\msw\config.gcc so that the following values are set:
SHARED ?= 1 BUILD ?= release
Then (in cmd.exe, not bash):
cd wxwidgets-src-dir\build\msw sh mingw32-make -f makefile.gcc
- Download wx-config.exe (a new version for wxWidgets > 3.0) and copy it somewhere into your search path, for instance via
copy wx-config.exe %CABAL_DIR%\bin
- Make sure, that the GCC that comes with GHC is used for the rest of the procedure, by adding its directory to the search path, with a command like:
Set path=C:\Haskell\Haskell Platform\2014.2.0.0\mingw\bin\;%path%
- Install the wxHaskell libraries
- Install the DLLs described in the next subsection
To get the most recent version (using Git):
git clone git://github.com/wxHaskell/wxHaskell.git cd wxHaskell\wxdirect cabal update cabal install cd ..\wxc cabal install cd ..\wxcore cabal install cd ..\wx cabal install
Or, for the Hackage version:
cabal update cabal install wx
Or, if you want to install the dependencies separately:
cabal update cabal install wxdirect cabal install wxc cabal install wxcore cabal install wx
 2.1 DLLs
In order to run a wxHaskell application, Windows must be able to find the following wxWidgets DLLs (see Search Path Used by Windows to Locate a DLL):
The following file can be found in directory wxc\dist\build\, after building package wxc in directory wxc:
- wxc.dll (be sure to recompile and copy this one when you compile your application with a new compiler)
If you are using GHC 7.10.3 or later, the rest of the necessary DLLs can be found in the mingw\bin directory of your GHC installation. For an earlier GHC, you can find the DLLs in the wxInstall Abriline packages, or as described below.
The following DLLs can be found in directory "Haskell Platform\2014.2.0.0\mingw\bin\", or in ghc-7.10.1\mingw\bin\ if you installed the compiler only (change revision as needed):
Some wxHaskell applications also require the following DLLs:
These DLLs can be obtained by installing XAMPP 1.7.4; the DLLs are in the directories:
If there are still DLLs missing, you can find out which, using cygcheck from the Cygwin project. Note, that you will get problems if you have both MinGW and Cygwin in your search path; it is best to specify the full path to cygcheck.exe, or copy cygcheck.exe to some location in the search path. Sample command:
(the .\ must be specified)
 3 wxWidgets 2.8 and wxHaskell 0.13.x
Follow SkyTreeBird's guide. It which walks you through the basic steps
- setting up environment variables
cabal install wx
Note that the best way to refer to WxWidgets in your PATH is probably to use the WXWIN variable that you set, eg.
The guide has been tested with the following configurations. Others may work too:
 3.1 DLLs
In order to run a wxHaskell application, the following DLLs must be in the search path:
- mingwm10.dll; this can be found in directory "Haskell Platform\2012.2.0.0\mingw\bin\", or in ghc-7.4.2\mingw\bin\ if you installed just the compiler (change revision as needed)
 3.2 Troubleshooting installation with cabal
These remarks refer to wx-0.13.2 and Haskell Platform 2011.4.0.0 on Windows 7.
Cabal package wx depends on wxcore which depends on wxdirect. By default cabal installs on a per user base, thus wxdirect.exe will be installed to
c:\Users\<YOUR NAME>\AppData\Roaming\cabal\bin\. This folder must be in your
cabal install wxcore to succeed.
Package wxcore-0.13.2 does not work well with wx-config revision 21 2006-10-19 (downloaded from here on Feb 2nd 2012). If
cabal install wxcore fails with an output containing "Usage: wx-config [options]" try this:
cabal unpack wxcore
Setup.hsand comment out/remove the line containing
runhaskell.exe Setup.hs configure --user
runhaskell.exe Setup.hs build
runhaskell.exe Setup.hs install
cabal install wx.