如何改变ghc的路径？
[英]How to change path of ghc?
问题描述
I'm using HaskellPlatform-2012.4.0.0 on Win7. 
我在Win7上使用HaskellPlatform-2012.4.0.0。 It's installed as portable. 它以便携式方式安装。 Paths are managed through .bat file so ghci and ghc works. 路径通过.bat文件管理，因此ghci和ghc可以工作。 Cabal config and folder are made semi-portable with this. Cabal配置和文件夹由此成为半便携式的。
The problem is ghc folder. 问题是ghc文件夹。 It installs itself in C:\\Users\\name\\AppData\\Roaming\\ghc\\i386-mingw32-7.4.1. 它将自身安装在C:\\Users\\name\\AppData\\Roaming\\ghc\\i386-mingw32-7.4.1.
How to change it's default path? 如何更改它的默认路径？ So I can have really portable Haskell on windows :) 因此，我可以在Windows上使用便携式Haskell ：)
EDIT: There are 3 new system variables that do nothing. 编辑：有3个新的系统变量不起作用。 Here are results: 结果如下：
SET APPDATA=%~dp0AppData -- has no effect. ghc is still made in roaming
SET USERPROFILE=%~dp0 -- kills cabal
SET LOCALAPPDATA=%~dp0Local --not sure if this is ever used.
2 个解决方案
解决方案1
2 已采纳 2013-02-26 16:33:37
You could try SET USERPROFILE=%~dp0 while making sure that the folder structure supports what Cabal expects. 您可以尝试SET USERPROFILE=%~dp0同时确保文件夹结构支持Cabal期望的内容。 It is probably attempting to go to %USERPROFILE%AppData\\Roaming or something similar. 它可能正在尝试转到%USERPROFILE%AppData\\Roaming或类似内容。
解决方案2
0 2014-02-04 04:32:12
You can use symbolic links mklink /D linkName target /D means directory symlink. 您可以使用符号链接mklink /D linkName target / D表示目录符号链接。 This command available since Windows Vista/2008+ 从Windows Vista / 2008 +起可用此命令
cd C:\Users\myself\AppData\Roaming
mklink /D cabal C:\installed\cabal
mklink /D ghc C:\installed\ghc
More info on symlinks http://en.wikipedia.org/wiki/NTFS_symbolic_link 有关符号链接的更多信息http://en.wikipedia.org/wiki/NTFS_symbolic_link
声明:本站的技术帖子网页，遵循CC BY-SA 4.0协议，如果您需要转载，请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.