[Haskell-cafe] cabal build command and package versions

Simon Peyton-Jones simonpj at microsoft.com
Thu Aug 21 03:23:56 EDT 2008

| On Wed, 2008-08-20 at 13:53 -0500, Nicolas Frisby wrote:
| > I have a question about cabal's behavior for the build command. When
| > using the build command on a cabalized project, any version changes
| > for installed packages go unnoticed - the necessary modules in the
| > project are not re-compiled.
| Yes. That's a ghc bug.

Different to the one below?  Is it in Trac?

| > Not knowing that the configure command is necessary to detect changes
| > in package that the current project depends on and proceeding only
| > with the build command has led to BusErrors and GHC incurring the
| > impossible in my exploration.
| Yes, it's a pretty annoying ghc bug. You'll be glad to know that it is
| fixed in ghc-6.10:
| http://hackage.haskell.org/trac/ghc/ticket/1372
| You'll notice a lot of people have commented on this one. It's tripped
| up a lot of people.

And happily it's fixed for 6.10!


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