source/build separation

[Rustom Mody]

I am building ghc from source.

The building page
http://hackage.haskell.org/trac/ghc/wiki/Building/Using#Sourcetreesandbuildtrees
mentions lndir for separating source trees from build trees.

Given how much detail is generally given for individual commands eg
http://hackage.haskell.org/trac/ghc/wiki/Building/GettingTheSources

maybe it would be nice to have a (typical?) lndir command also given?

Also there is a mention about using a local git clone here
 http://hackage.haskell.org/trac/ghc/wiki/Building/GettingTheSources
Arent these two alternative ways with similar intent - viz. keeping source
pristine and separating build 'messiness'?
Or do people use both git (local) clone + lndir?  If so why?


Rusi

[ghc noob here: Please tell me if this is the wrong list to ask this kind
of question :-) ]
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