Conduit was changed so that it no longer exports resourcet related types and functions, and esqueleto is attempting to use those.  It is a bug in esqueleto, and I've registered a pull request on github here: https://github.com/meteficha/esqueleto/pull/55

While you are waiting for that to be merged, you can pull from https://github.com/mindreader/esqueleto.git.  Just git clone it, cd into the directory, then cabal install.

On Wed, Apr 2, 2014 at 10:56 AM, Gilberto Melfe <gilbertomelfe@gmail.com> wrote:

Hello community!

I'm trying to install Yesod on a freshly setup openSUSE 13.1 virtual machine!

I installed the Haskell Platform and three other (ghc) packages required (for yesod-bin), from the standard online repositories!

Then i issued:

  cabal update

  cabal install cabal-install (because cabal told me so)

  export PATH=$HOME/.cabal/bin:$PATH

  cabal install yesod-platform

After churning for a while, that last command stated that some packages, more precisely the Esqueleto package, failed to install.

I tried to install it alone and got these error messages:

-- Begin Command Output

Resolving dependencies...
Configuring esqueleto-1.3.5...
Building esqueleto-1.3.5...
Preprocessing library esqueleto-1.3.5...
[1 of 4] Compiling Database.Esqueleto.Internal.PersistentImport ( src/Database/Esqueleto/Internal/PersistentImport.hs, dist/build/Database/Esqueleto/Internal/PersistentImport.o )
[2 of 4] Compiling Database.Esqueleto.Internal.Language ( src/Database/Esqueleto/Internal/Language.hs, dist/build/Database/Esqueleto/Internal/Language.o )
[3 of 4] Compiling Database.Esqueleto.Internal.Sql ( src/Database/Esqueleto/Internal/Sql.hs, dist/build/Database/Esqueleto/Internal/Sql.o )

src/Database/Esqueleto/Internal/Sql.hs:531:46:
    Not in scope: type constructor or class `C.ResourceT'

src/Database/Esqueleto/Internal/Sql.hs:559:42:
    Not in scope: type constructor or class `C.ResourceT'

src/Database/Esqueleto/Internal/Sql.hs:619:31:
    Not in scope: type constructor or class `C.ResourceT'

src/Database/Esqueleto/Internal/Sql.hs:634:24:
    Not in scope: type constructor or class `C.ResourceT'

src/Database/Esqueleto/Internal/Sql.hs:636:17:
    Not in scope: `C.runResourceT'
Failed to install esqueleto-1.3.5
cabal: Error: some packages failed to install:
esqueleto-1.3.5 failed during the building phase. The exception was:
ExitFailure 1

-- End Command Output

Can someone figure out what might be wrong?

(I guess it's not a dependencies issue...)

Thank You Very Much, in advance, for your time!

Gilberto

PS: Should I have included the command output in an attached file? Which "method" is preferred?

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