Hi. I'd like to know if it is possible to have a separate install directory with GHC 7.0.4 and another with GHC 7.2.1 in the same Windows system. I was thinking about having a standard PATH environment "C:\Haskell\ghc\bin". Then have a folder structure like "C:\Haskell\ghc-{7.2.1, 7.0.4}", renaming either one of them into "C:\Haskell\ghc" depending on what I would like to be using. I have taken into consideration to renaming the cabal install directory in the same manner. However, the problem with this approach is that the package database remains somewhere I can't find. Does the default GHC store the package database in the registry or something? I'd appreciate if you could hint me where I could swap the databases for this setup.
Quick update. I figured it out. There was a directory which didn't get
removed, toghether with cabal directory, when I uninstalled all GHC
versions.
I found the global package database actually goes into
C:\Users\<username>\AppData\Roaming\ghc\<ghc-version>. A bit strange,
considering the "local" packages get installed into C:\Program
Files\Haskell\ instead of the local user directories.
Perhaps it is a bug?
On 6 October 2011 15:17, Paulo Pocinho
Hi.
I'd like to know if it is possible to have a separate install directory with GHC 7.0.4 and another with GHC 7.2.1 in the same Windows system. I was thinking about having a standard PATH environment "C:\Haskell\ghc\bin". Then have a folder structure like "C:\Haskell\ghc-{7.2.1, 7.0.4}", renaming either one of them into "C:\Haskell\ghc" depending on what I would like to be using.
I have taken into consideration to renaming the cabal install directory in the same manner. However, the problem with this approach is that the package database remains somewhere I can't find. Does the default GHC store the package database in the registry or something? I'd appreciate if you could hint me where I could swap the databases for this setup.
participants (1)
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Paulo Pocinho