GHC compile times (was Re: GHC 6.4.3 is stalled)

Simon Marlow simonmar at
Wed Jul 26 04:53:39 EDT 2006

On 26 July 2006 09:41, Joel Reymont wrote:

> On Jul 25, 2006, at 2:57 PM, Simon Marlow wrote:
>> If you think your build is slow, try building it on Windows
>> sometime :-(
> Well, I re-built ghc from scratch on my PowerBook G4 1.25Ghz with 1Gb
> of memory. It took somewhere north of 7 hours. The MacBook Pro 2Ghz
> looks speedy by comparison and 3+ hours look like nothing.

That's way too long.  Next time, it might be a good idea to pipe the log
file through something that adds timestamps to each line - I've attached
a little Haskell program I use for this.

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