A 01/05/2012, às 21:19, Miguel Negrao escreveu:
A 01/05/2012, às 19:24, Heinrich Apfelmus escreveu:
Miguel Negrao wrote:
Since I have wxWidgets 2.9.3 installed already I might as well give it a try with reactive-banana-0.6. I installed wx-0.90 and wxcore-0.90 and reactive-banana-0.6.0 (from git) without issues. I couldn’t install reactive-banana-wx though, I get this error: Configuring MissingH-1.1.1.0... Warning: This package indirectly depends on multiple versions of the same package. This is highly likely to cause a compile failure. package regex-base-0.93.2 requires mtl-2.0.1.0 package parsec-3.1.1 requires mtl-2.0.1.0 package parsec-3.1.1 requires mtl-2.1 package hslogger-1.1.5 requires mtl-2.1 package MissingH-1.1.1.0 requires mtl-2.1 package MissingH-1.1.1.0 requires parsec-3.1.1 package network-2.3.0.5 requires parsec-3.1.1 package mtl-2.0.1.0 requires transformers-0.2.2.0 package mtl-2.1 requires transformers-0.3.0.0 Preprocessing library MissingH-1.1.1.0... Preprocessing executables for MissingH-1.1.1.0... Building MissingH-1.1.1.0... <command line>: cannot satisfy -package-id parsec-3.1.1-178bb186a8cbec1a8bf6b3192212c18e: parsec-3.1.1-178bb186a8cbec1a8bf6b3192212c18e is shadowed by package parsec-3.1.1-fb91ea6e6c1f9c50292782ec985e5f9a (use -v for more information) Updating documentation index /Users/miguelnegrao/Library/Haskell/doc/index.html cabal: Error: some packages failed to install: MissingH-1.1.1.0 failed during the building phase. The exception was: ExitFailure 1 cabal-macosx-0.2 depends on MissingH-1.1.1.0 which failed to install. reactive-banana-wx-0.6.0.0 depends on MissingH-1.1.1.0 which failed to install.
Fortunately, this time it's not my fault. :)
You ran into a cabal problem with a package depending on multiple versions of the same package. The culprit seems to be regex-base . I suggest you try
cabal install regex-base parsec-3.1.1 \ --reinstall --constraint='mtl == 2.1'
to resolve this issue.
That installs regex-base-0.93.2 with no errors.
Then try installing reactive-banana-wx again.
But then I get the same error installing reactive-banana-wx.
cabal install regex-base parsec-3.1.1 MissingH --reinstall --constraint='mtl == 2.1’ With this command it installs correctly, I can now run all the examples. All seem to work fine except CRUD that crashed at some point. I will now start exploring. thanks, Miguel