On 2011 May 23, at 13:45, Anthony Cowley wrote:
On Mon, May 23, 2011 at 5:17 AM, Jacek Generowicz
<jacek.generow...@cern.ch> wrote:
a) Am I right in concluding that GHC 7.0.3 will not run on OS X 10.5
(without unreasonable effort)?
This is a frustrating situation. Note that there is a binary for 7.0.1
that supports 10.5
<http://www.haskell.org/ghc/download_ghc_7_0_1#macosxintel>.
OK, that was painless. Thanks!
From this, you should be able to build 7.0.3 yourself.
That's interesting. I won't try that *right* now.
As for the platform, if it is giving you trouble, don't shy away from
just using GHC and cabal as normal! After you've cabal installed a few
big packages, you will find that you've acquired many of the most
popular packages.
If by "cabal install" you mean use the command "cabal" ... yeah, that
would be great, if only I could install cabal-install, which fails. Or
do you mean "manual install" of Cabal packages? Either way, I'm not
making much progress.
b) On Ubuntu Natty I installed the generic linux GHC 7.0.3 binary.
Downloaded Haskell Platform 2011.2.0.1 source distribution. ./
configure
worked happily. make fails as follows.
Building transformers-0.2.2.0
"/usr/local/haskell-platform-2011.2.0.1/bin/ghc" "--make" "Setup" "-
o"
"Setup" "-package" "Cabal-1.10.1.0"
<command line>: cannot satisfy -package Cabal-1.10.1.0:
Cabal-1.10.1.0-1fb2094e19492373b1a39284193e7984 is unusable due to
missing or recursive dependencies:
process-1.0.1.5-55dfaccf3a91c4cb8f6284a0bafef198
The Ubuntu HP story is a bit of a gotcha for the innocent user, too.
But, again, you can happily install GHC 7.0.3, and then cabal install
your way to happiness.
Maybe if I managed to install just one package manually, then I might
start sharing some of you optimism :-)
The problem you encountered seems due to a
conflict among packages that came with GHC.
Which does seem rather odd, doesn't it? I'm tempted to think that I
didn't quite manage to nuke everything, because I find it hard to
believe that GHC itself comes with internal conflicts which The Google
seems not to have heard about.
I think your strategy of nuking everything Haskell through your
package manager (if available), then manually (not forgetting ~/.ghc
and ~/.cabal) was prudent to get out of the hole you found yourself
in.
Yup, ~/.ghc and ~/.cabal didn't escape my attention.
Except that it doesn't seem to have worked (yet - hope springs eternal).
When I ghc-pkg check, I get lots of complaints about ~/.cabal/lib/
somelibrary/ghc-7.0.3 not being found. Erm, I nuked it all and then
installed ghc-7.0.3 from scratch (generic Linux binary package), so
I've no idea *why* my system thinks that these should exist unless
*it* put them there after the purge during the installation of ghc.
Any ideas how to solve this?
But don't let HP installation troubles keep you away from Haskell
altogether!
I'm determined not to let that happen, but when the few precious
moments I can afford to spend on Haskell end up being spent on
installation troubles rather than Haskell itself, then it does become
rather tough to keep the motivation.
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