[winGRASS] running cygwin/grass 6.1, 6.2 and native 6.3 on the same xp machine

[Luigi Ponti]

Glynn Clements wrote:
> Luigi Ponti wrote:
>
>   
>> I am currently still with the 6.1cvs cygwin/grass binaries but would 
>> like to run the cygwin 6.2.1 and the native 6.3 versions of grass for 
>> testing purposes on the same windows xp machine.
>>
>> To my knowledge, different cygwin/grass versions use different cygwin 
>> packages, and the native wingrass requires setting environmental 
>> variables that may interfere with the cygwin version.
>>
>> Is there any precautionary measures I should take in order to avoid 
>> interference between the different versions and to be able to test newer 
>> versions without losing the ability of working with the old one?
>>     
>
> There shouldn't be any problem with having multiple Cygwin builds of
> GRASS. If there is, I'd suggest moving to 6.2.1. The 6.1 branch ended
> with the release of 6.1.0; there won't be any updates.
>
> As for conflicting environment variables: I suggest editing MSys'
> /etc/profile (or ~/.profile etc) to explicitly clear any
> Cygwin-related settings. Specifically, unset the CYGWIN variable;
> there shouldn't be any other applicable variables.
>   
Thanks Glynn:
Really an authoritative reply -- I couldn't ask for anything more.

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