[Haskell-cafe] Hackage: "Build: PlanningFailed"

[Volker Wysk]

Hi, Tom!

Am Sonntag, dem 31.03.2024 um 11:27 +0100 schrieb Tom Ellis:
> On Sun, Mar 31, 2024 at 12:16:45PM +0200, Volker Wysk wrote:
> > Why does it reject the base library? The versions conflict, but why does it
> > think the version should be base-4.18.1.0? The library compiles okay on my
> > machine (using "cabal build"). I have this in the hsshellscript.cabal file,
> > under "build-depends:": base >= 4.13.0 && < 4.14
> > 
> > I've got this version information from calling "cabal gen-bounds".                                                                    
> 4.13 was shipped with GHC 8.8 and 4.18 was shipped with 9.6.  See
> https://wiki.haskell.org/Base_package
> 
> I guess you called "cabal gen-bounds" with ghc version 8.8 in your
> PATH 

That's correct.

> but you're now trying to install the library with ghc 9.6 in your
> PATH.  

No, I'm just trying to upload it to Hackage properly. That's where I got
that error.

> The solution is most likely to change the base bound to < 4.20
> (so it works with every version of base released so far).

Why aren't all the base package versions available? I thought this was one
of the purposes of the Cabal system...

And wouldn't it be better to remove the upper bound entirely?

> You can avoid uploading a new version of your package by making a
> package revision to do this, accessed via the link "edit package
> information" under your package's Hackage page.

Thanks!! I'm editing the package information next.

Cheers,
Volker