[Haskell-cafe] Downside of -fglasgow-extensions

[Don Stewart]

emmanuel.delaborde:
> Hello,
> 
> I'm trying to build diverse packages from Hackage with ghc 6.8.1,
> they usually fail to build because of missing language extensions.
> 
> Sometimes I am unable to determine the proper name of the extension  
> missing in .cabal
> I tend to slap {- #OPTIONS -fglasgow-exts #-} at the top of the  
> troublesome file.
> It works, but out of curiosity, what is the downside of such an  
> approach ? (bigger executables ?)

Can you list which packages failed to build out of the box?

 -- Don