odd GHC 6.8.2 compile failure
isaacdupree at charter.net
Thu Jan 3 06:34:37 EST 2008
Simon Marlow wrote:
> Isaac Dupree wrote:
>> linking the compiled stage2 failed when bootstrapping from 6.6.1, with
>> --prefix=$HOME .
>> It's odd because I previously had a 6.8.2 (official x86 Linux
>> bin-dist) installed as root (it's gone now), and I still have a bunch
>> of cabal/hackage packages installed in $HOME that were compiled by
>> that 6.8.2 (in addition to a few things installed by `cabal install`
>> in ~/.cabal/). Do you think that could be confusing the build
>> process, and if it is, is that a bug - and a bug in what?
> It looks like at some point you've updated your sources and recompiled
> without cleaning in stage2, or something similar. The build system
> doesn't currently notice when libraries have changed and stage2 needs to
> be completely recompiled.
It sure looks that way! But I didn't do that personally; I think these
are all of my steps:
[download via Firefox to /Users/me/downloads/ghc-6.8.2-src.tar.bz2]
# this `aunpack` is equivalent to tar -xjf in this case.
# ($HOME is /Users/me/HOME , by the way).
Indeed I just reproduced it, newly unpacking that tarball in a new
location, to make sure, and I got the same error.
What if GHC suddenly decided to link with the newer versions of the
boot-libraries than come with 6.8.2, the ones that could be found in
$HOME since I installed them there? (or with the _same_ versions that
happened to be compiled with different flags, perhaps?)
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