<br>I thought you are asking for how to install two versions of GHC on same system. Sorry for irrelevant answer. <br><br>Mukesh Tiwari<br><br><div class="gmail_quote">On Thu, Sep 27, 2012 at 10:05 PM, mukesh tiwari <span dir="ltr"><<a href="mailto:mukeshtiwari.iiitm@gmail.com" target="_blank">mukeshtiwari.iiitm@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br><br><div class="gmail_quote"><div class="im">On Thu, Sep 27, 2012 at 9:32 PM, <a href="mailto:spacestation@venussociety.org" target="_blank">spacestation@venussociety.org</a> <span dir="ltr"><<a href="mailto:spacestation@venussociety.org" target="_blank">spacestation@venussociety.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u>
<div>
<div>
Hello to everyone,
<br>
<br>
<br>First of all sorry if my question posted to this list is maybe OFF TOPIC.
<br>Myself is using Haskell from time to time on WIN XP and OpenSuse system.
<br>So far without a problem using RWH book as reference and 6.12 version with a lot of modules installed via cabal.
<br>Also a Hugs install from source on my OpenSuse system only caused minor problems.setting a symlink solved the minor problem.
<br>But what surprised me totally was that Hugs/Cabal and (or ) GHC are using shared libraries and Hugs install interfered with cabal/ghc.
<br>I thought that both systems are totally independent from each other.Hugs a Haskell code interpreter GHV a Haskell code compiler.
<br>
<br>But now my question :
<br>
<br>How is it possible to run 2 different versions of GHC on the same computer ( OS , in my case OpenSuse 6.1x and hopefully 7.6 )
<br></div></div></blockquote></div><div><br>It's possible to install two versions of GHC ( see the installation <a href="http://www.haskell.org/ghc/docs/6.10.1/html/users_guide/installing-bin-distrib.html" target="_blank">http://www.haskell.org/ghc/docs/6.10.1/html/users_guide/installing-bin-distrib.html</a> ).<br>
<br>The <code>configure</code> script takes a number of flags. The most
commonly used is the
<code>--prefix=<i><code>/path/to/install/in</code></i></code>
flag, which tells the bundle that you want it to be installed in
<i><code>/path/to/install/in</code></i> rather than the default
location (/usr/local).
To see all the flags that configure accepts, run
<code>configure --help</code>.
<br><br> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im"><div><div>
<br>Any search for "running GHC versions in parallel only returned results for the DPH extensions wiki but not how to run two GHC versions on the same OS.
<br>
<br><a href="http://www.haskell.org/haskellwiki/GHC/Data_Parallel_Haskell" target="_blank">http://www.haskell.org/haskellwiki/GHC/Data_Parallel_Haskell</a>
<br>
<br><a href="http://www.haskell.org/haskellwiki/Parallel" target="_blank">http://www.haskell.org/haskellwiki/Parallel</a>
<br>
<br>
<br>So any feedback welcome
<br>
<br>Rgds Gottfried
</div>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br>Mukesh Tiwari<br>
</font></span></blockquote></div><br>