On Wed, Dec 1, 2010 at 10:16 PM, Robert Clausecker
Hi folks!
I want to test the new version 7 of GHC, but don't want to replace the packaged version 6.12 with it. I'm not very advanced with the internals of GHC and have some problems. So these are my questions:
I installed GHC into a subdir of my homedir, let's call it ~/ghc7. How can I install additional libs there?
How can I install GHC 7 parallel to GHC 6.12 with the option to choose? My OS is GNU/Linux, my Distro is Ubuntu (Lucid).
Thank you very much, yours Robert Clausecker
If you're doing user installations of packages with 'cabal-install' it will take care of everything - all of the things that it installs are in per-GHC-version directories. I do this quite a bit and I haven't run into many hiccups yet. Except for the haddock documentation that cabal-install installs - different versions of GHC/haddock are pretty much always breaking each other when I switch back and forth. I pick which one I want by adjusting which ghc/ghci binaries are in my path. You can also tell Cabal which GHC you'd like to use as a command line option when installing packages. Antoine
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