I ended up installing both Cabal and cabal-install (from GitHub) using ghc 7.8.4. After that things seemed to get better with ghc 7.10 RC1 (which was using my newly created cabal-install command-line tool with the Cabal libs from ghc 7.10). Or at least, I think that's how I got it working.

HTH,
Doug

On Fri, Dec 26, 2014 at 7:05 PM, Konstantine Rybnikov <k-bx@k-bx.com> wrote:

Installing dependencies fails with very same error, unfortunately.

On Fri, Dec 26, 2014 at 5:02 PM, Antoine Latter <aslatter@gmail.com> wrote:

I did the following to work around this:

I cloned this branch on GitHub: https://github.com/haskell/cabal/tree/1.22

Then, in the cabal-install folder I built the 'cabal-install' binary *without* using the existing version of cabal-install, then used the newly built 'cabal-install' to actually install the new 'cabal-install':

cd <folder which has cabal-install>

ghc Setup.hs

./Setup.hs configure

./Seup.hs build

dist/build/cabal/cabal install

You may need to install some dependencies first - using the old cabal-install worked fine for me for this, but maybe it secretly corrupted something behind the scenes. I haven't had trouble so far.

On Fri, Dec 26, 2014 at 2:29 AM, Konstantine Rybnikov <k-bx@k-bx.com> wrote:

Hi!

I just did `sudo make install` on ghc 7.10.1-rc1, removed ~/.ghc and did `cabal update`. I'm now trying to upgrade to latest cabal by issuing `cabal install cabal-install`. I get the following:

```
...
on the commandline: Warning:
    -package-name is deprecated: Use -this-package-key instead
ghc: ghc no longer supports single-file style package databases (dist/package.conf.inplace) use 'ghc-pkg init' to create the database with the correct format.
Failed to install zlib-0.5.4.2
cabal: Error: some packages failed to install:
HTTP-3001.0.4 depends on text-1.2.0.3 which failed to install.
cabal-install-0.4.0 depends on zlib-0.5.4.2 which failed to install.
mtl-2.2.1 failed during the building phase. The exception was:
ExitFailure 1
network-2.6.0.2 failed during the building phase. The exception was:
ExitFailure 1
parsec-3.1.7 depends on text-1.2.0.3 which failed to install.
text-1.2.0.3 failed during the building phase. The exception was:
ExitFailure 1
zlib-0.5.4.2 failed during the building phase. The exception was:
ExitFailure 1
```

Does anyone know a quick-fix?

Thanks!

_______________________________________________
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe

_______________________________________________
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe