运行 wxHaskell 时出现问题(Windows)
该页面:(http://en.wikibooks.org/wiki/Haskell/GUI)描述了要运行wx代码,可以安装wx,然后必须“用GHC注册wxHaskell” - 但我认为wxHaskell的二进制安装程序(http://wxhaskell.sourceforge.net/download.html)会自动执行吗?
我安装了 wx-config,然后是 wxPack 和 wxHaskell。然后进行了 wx 和 wxcore 的 cabal 安装。我正在运行 Leksah 的一些 wx 演示,看起来大部分都不错 - 但它们有一些奇怪的错误(我找到了一个所谓的解决方案:“wxhaskell-labels-cant-display-full-text”),但我想尝试一些来自 GHCi 的东西。
我尝试运行他们的简单演示,并出现错误:
D:\csPlangs\Haskell\play>ghci -package wx wxGui1.hs
GHCi, version 7.0.3: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package array-0.3.0.2 ... linking ... done.
Loading package stm-2.2.0.1 ... linking ... done.
Loading package bytestring-0.9.1.10 ... linking ... done.
Loading package containers-0.4.0.0 ... linking ... done.
Loading package Win32-2.2.0.1 ... linking ... done.
Loading package filepath-1.2.0.0 ... linking ... done.
Loading package old-locale-1.0.0.2 ... linking ... done.
Loading package old-time-1.0.0.6 ... linking ... done.
Loading package directory-1.1.0.0 ... linking ... done.
Loading package transformers-0.2.2.0 ... linking ... done.
Loading package mtl-2.0.1.0 ... linking ... done.
Loading package parsec-3.1.1 ... linking ... done.
Loading package time-1.2.0.3 ... linking ... done.
Loading package wxdirect-0.12.1.4 ... linking ... done.
Loading package wxcore-0.12.1.7 ... ghc.exe: stdc++: The specified module could
not be found.
<command line>: can't load .so/.DLL for: stdc++ (addDLL: could not load DLL)
还有[有趣的]错误:
*Main> q
<interactive>:1:1: Not in scope: `q'
*Main>
ghc.exe: panic! (the 'impossible' happened)
(GHC version 7.0.3 for i386-unknown-mingw32):
thread blocked indefinitely in an MVar operation
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
The page: (http://en.wikibooks.org/wiki/Haskell/GUI) describes that to run wx code, one can install wx and then one must "register wxHaskell with GHC" - but I think the binary installer of wxHaskell (http://wxhaskell.sourceforge.net/download.html) does that automatically?
I installed wx-config, and then wxPack, and wxHaskell. and then did cabal install of wx and wxcore. I am running some wx demos from Leksah, which seem mostly good - but they had some weird errors (I found an alleged solution to that: "wxhaskell-labels-cant-display-full-text"), but I wanted to try some things just from GHCi.
I try to run their simple demos, and the the errors:
D:\csPlangs\Haskell\play>ghci -package wx wxGui1.hs
GHCi, version 7.0.3: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package array-0.3.0.2 ... linking ... done.
Loading package stm-2.2.0.1 ... linking ... done.
Loading package bytestring-0.9.1.10 ... linking ... done.
Loading package containers-0.4.0.0 ... linking ... done.
Loading package Win32-2.2.0.1 ... linking ... done.
Loading package filepath-1.2.0.0 ... linking ... done.
Loading package old-locale-1.0.0.2 ... linking ... done.
Loading package old-time-1.0.0.6 ... linking ... done.
Loading package directory-1.1.0.0 ... linking ... done.
Loading package transformers-0.2.2.0 ... linking ... done.
Loading package mtl-2.0.1.0 ... linking ... done.
Loading package parsec-3.1.1 ... linking ... done.
Loading package time-1.2.0.3 ... linking ... done.
Loading package wxdirect-0.12.1.4 ... linking ... done.
Loading package wxcore-0.12.1.7 ... ghc.exe: stdc++: The specified module could
not be found.
<command line>: can't load .so/.DLL for: stdc++ (addDLL: could not load DLL)
And also the [interesting] error:
*Main> q
<interactive>:1:1: Not in scope: `q'
*Main>
ghc.exe: panic! (the 'impossible' happened)
(GHC version 7.0.3 for i386-unknown-mingw32):
thread blocked indefinitely in an MVar operation
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
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这似乎是 wxHaskell、GHCi 和 Windows 组合的一个已知问题。来自 http://www.haskell.org/haskellwiki/WxHaskell/Quick_start
所以,你可以编译你的代码。你只是无法通过解释器运行它。
It appears to be a known problem with the combination of wxHaskell, GHCi, and Windows. From http://www.haskell.org/haskellwiki/WxHaskell/Quick_start
So, you can compile your code. You just can't run it through the interpreter.