[Haskell-cafe] Tell cabal-install to generate only shared libraries

[Ivan Perez]

You are absolutely right, they do not seem to play along very well.
Here's what I tried:

$ cabal install --disable-library-vanilla --enable-shared ranges
Resolving dependencies...
Configuring ranges-0.2.4...
Preprocessing library ranges-0.2.4...
Building ranges-0.2.4...
[1 of 1] Compiling Data.Ranges      ( Data/Ranges.hs,
dist/build/Data/Ranges.dyn_o )

Data/Ranges.hs:74:7:
    Warning: This binding for `x' shadows the existing binding
               bound at Data/Ranges.hs:72:13
cabal: <command line>: Failed to load interface for `Data.Ranges':
Use -v to see a list of the files searched for.
cabal: Error: some packages failed to install:
ranges-0.2.4 failed during the building phase. The exception was:
ExitFailure 1

2011/11/3 Yves Parès <limestrael at gmail.com>:
> Apparently, disabling library vanilla causes GHC not to generate the ".hi"
> files :
> For instance when 'cabal install quickcheck --disable-library-vanilla':
>
> Registering QuickCheck-2.4.1.1...
> cabal: QuickCheck-2.4.1.1: file Test/QuickCheck/All.hi is missing (use
> --force
> to override)
> QuickCheck-2.4.1.1: file Test/QuickCheck/Function.hi is missing (use --force
> to override)
> [...]
> override)
> QuickCheck-2.4.1.1: file Test/QuickCheck/State.hi is missing (use --force to
> override)
> QuickCheck-2.4.1.1: file Test/QuickCheck/Exception.hi is missing (use
> --force
> to override)
> QuickCheck-2.4.1.1: cannot find libHSQuickCheck-2.4.1.1.a on library path
> (use
> --force to override)
>
>
> 2011/11/3 Ivan Perez <ivanperezdominguez at gmail.com>
>>
>> 2011/11/2 Yves Parès <limestrael at gmail.com>:
>> > Hello,
>> >
>> > When I tell cabal-install to build shared libraries (with "Shared: True"
>> > in
>> > .cabal/config), it doubles the libraries installation time since it
>> > compiles
>> > them twice, since it seems that is what GHC's flag "-shared" does.
>> > Is there a way to generate only the .so and not the the .a libs?
>>
>> --disable-library-vanilla
>>
>>    Do not build ordinary libraries. This is useful in conjunction
>> with --enable-library-profiling
>>    to build only profiling libraries, rather than profiling and
>> ordinary libraries.
>>
>> Haven't tried it myself. Maybe it works in combination with
>> --enable-shared?
>>
>> From: http://haskell.org/ghc/docs/7.0.4/html/Cabal/builders.html
>>
>> >
>> > Furthermore, I have the impression that the executables compiled by
>> > cabal-install are always linked statically... Can I tell cabal-install
>> > to
>> > activate the GHC's flag "-dynamic" for executables?
>>
>> The following two trac tickets mention a separate flag,
>> named --enable-executable-dynamic:
>>
>> http://hackage.haskell.org/trac/hackage/ticket/600
>> http://hackage.haskell.org/trac/hackage/ticket/869
>>
>> If that doesn't work, you can probably pass some argument to ghc with
>> --with-ghc-option
>>
>> Cheers,
>> Ivan
>>
>> >
>> > Thanks.
>> >
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>> >
>> >
>
>