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cabal haddock fails on cabal-1.20 tree #1790

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cartazio opened this issue Apr 18, 2014 · 6 comments
Closed

cabal haddock fails on cabal-1.20 tree #1790

cartazio opened this issue Apr 18, 2014 · 6 comments

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@cartazio
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when i run cabal haddock on the ./cabal subtree of cabal 1.20,
it fails with

Running Haddock for Cabal-1.20.0.0...
Preprocessing library Cabal-1.20.0.0...

<no location info>:
    module ‘Cabal-1.20.0.0:Main’ is defined in multiple files: dist/build/tmp-52531/Distribution/Compat/CreatePipe.hs
                                                               dist/build/tmp-52531/Distribution/Compat/Environment.hs
                                                               dist/build/tmp-52531/Distribution/Compat/Exception.hs
                                                               dist/build/tmp-52531/Distribution/Compat/ReadP.hs
                                                               dist/build/tmp-52531/Distribution/Compiler.hs
                                                               dist/build/tmp-52531/Distribution/InstalledPackageInfo.hs
                                                               dist/build/tmp-52531/Distribution/License.hs
                                                               dist/build/tmp-52531/Distribution/Make.hs
                                                               dist/build/tmp-52531/Distribution/ModuleName.hs
                                                               dist/build/tmp-52531/Distribution/Package.hs
                                                               dist/build/tmp-52531/Distribution/PackageDescription.hs
                                                               dist/build/tmp-52531/Distribution/PackageDescription/Check.hs
                                                               dist/build/tmp-52531/Distribution/PackageDescription/Configuration.hs
                                                               dist/build/tmp-52531/Distribution/PackageDescription/Parse.hs
                                                               dist/build/tmp-52531/Distribution/PackageDescription/PrettyPrint.hs
                                                               dist/build/tmp-52531/Distribution/PackageDescription/Utils.hs
                                                               dist/build/tmp-52531/Distribution/ParseUtils.hs
                                                               dist/build/tmp-52531/Distribution/ReadE.hs
                                                               dist/build/tmp-52531/Distribution/Simple.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Bench.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Build.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Build/Macros.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Build/PathsModule.hs
                                                               dist/build/tmp-52531/Distribution/Simple/BuildPaths.hs
                                                               dist/build/tmp-52531/Distribution/Simple/BuildTarget.hs
                                                               dist/build/tmp-52531/Distribution/Simple/CCompiler.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Command.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Compiler.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Configure.hs
                                                               dist/build/tmp-52531/Distribution/Simple/GHC.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Haddock.hs
                                                               dist/build/tmp-52531/Distribution/Simple/HaskellSuite.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Hpc.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Hugs.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Install.hs
                                                               dist/build/tmp-52531/Distribution/Simple/InstallDirs.hs
                                                               dist/build/tmp-52531/Distribution/Simple/JHC.hs
                                                               dist/build/tmp-52531/Distribution/Simple/LHC.hs
                                                               dist/build/tmp-52531/Distribution/Simple/LocalBuildInfo.hs
                                                               dist/build/tmp-52531/Distribution/Simple/NHC.hs
                                                               dist/build/tmp-52531/Distribution/Simple/PackageIndex.hs
                                                               dist/build/tmp-52531/Distribution/Simple/PreProcess.hs
                                                               dist/build/tmp-52531/Distribution/Simple/PreProcess/Unlit.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Ar.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Builtin.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Db.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Find.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/GHC.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/HcPkg.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Hpc.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Ld.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Run.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Script.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Strip.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Program/Types.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Register.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Setup.hs
                                                               dist/build/tmp-52531/Distribution/Simple/SrcDist.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Test.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Test/ExeV10.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Test/LibV09.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Test/Log.hs
                                                               dist/build/tmp-52531/Distribution/Simple/UHC.hs
                                                               dist/build/tmp-52531/Distribution/Simple/UserHooks.hs
                                                               dist/build/tmp-52531/Distribution/Simple/Utils.hs
                                                               dist/build/tmp-52531/Distribution/System.hs
                                                               dist/build/tmp-52531/Distribution/TestSuite.hs
                                                               dist/build/tmp-52531/Distribution/Text.hs
                                                               dist/build/tmp-52531/Distribution/Verbosity.hs
                                                               dist/build/tmp-52531/Distribution/Version.hs
                                                               dist/build/tmp-52531/Language/Haskell/Extension.hs
                                                               dist/build/tmp-52531/Distribution/Compat/CopyFile.hs
                                                               dist/build/tmp-52531/Distribution/Compat/TempFile.hs
                                                               dist/build/tmp-52531/Distribution/GetOpt.hs
                                                               dist/build/tmp-52531/Distribution/Simple/GHC/IPI641.hs
                                                               dist/build/tmp-52531/Distribution/Simple/GHC/IPI642.hs
                                                               dist/build/tmp-52531/dist/build/autogen/Paths_Cabal.hs

likewise
ghc-pkg check after i've done a cabal install gives me Warning: haddock-interfaces: /Users/carter/.cabal/share/doc/x86_64-osx-ghc-7.8.2/Cabal-1.20.0.0/html/Cabal.haddock doesn't exist or isn't a file

@tibbe suggested it might be a clang cpp issue, so I swapped over to using GCC instead and now it works!

This will impact normal mac users whose ghc defaults to using clang or the gcc aliasing to clang
@cartazio
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(i only tested using gcc rather than clang, someone else should try eg CPPHS :) )

@23Skidoo
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Can/should we do something about this in Cabal?

@tibbe
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tibbe commented Apr 18, 2014

@23Skidoo I don't think we can. There was some talks about doing Haddock hacks, but I didn't see a plausible one.

Closing as a clang issue.

@tibbe tibbe closed this as completed Apr 18, 2014
@hvr
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hvr commented Apr 22, 2014

Fyi, see also #1740 of which this is a duplicate IMO

@Josh-Tilles Josh-Tilles mentioned this issue May 9, 2014
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@YoEight
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YoEight commented Jul 5, 2014

Hi, I'm hit by this issue too and using gcc 4.9 didn't solve it. I had to use --no-doc flag to make it works

@darthdeus
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I'm hitting the same issue right now on Yosemite with the binary build of GHC 7.8.3. What is the proposed solution to this? How should I setup my compiler to avaoid this?

@smilliken smilliken mentioned this issue Feb 13, 2015
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6 participants
@cartazio @tibbe @23Skidoo @darthdeus @YoEight @hvr