On 19 Apr 2009, at 11:10, Duncan Coutts wrote:
On Sun, 2009-04-19 at 10:02 +0200, Thomas Davie wrote:
It really rather makes "cabal install" rather odd – because it
doesn't actually install anything you can use without providing
extra
options!
It should work fine, you'll need to give more details.
This has been the result, at least every time I've installed ghc:
$ cabal install xyz
So this does a per-user install.
$ runhaskell Setup.hs configure -- where abc depends on xyz
This does a global install. Global packages cannot depend on user
packages. You have two choices:
$ cabal configure
because the cabal program does --user installs by default
or use
$ runhaskell Setup.hs configure --user
which explicitly does a --user install.
The reason for this confusion is because the original runghc Setup
interface started with global installs and we can't easily change that
default. On the other hand, per-user installs are much more convenient
so that's the sensible default for the 'cabal' command line program.
I don't understand what makes user installs more convenient.
Certainly, my preference would be for global all the time – I expect
something that says it's going to "install" something to install it
onto my computer, like any other installation program does. What is
it that makes user installs more convenient in this situation?
Bob_______________________________________________
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