[GHC] #9498: GHC links against unversioned .so files

[GHC]

#9498: GHC links against unversioned .so files
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        Reporter:  Kritzefitz        |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  low               |               Milestone:
       Component:  Compiler (FFI)    |                 Version:  7.6.3
      Resolution:                    |                Keywords:  Debian
Operating System:  Linux             |            Architecture:
 Type of failure:  Other             |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Changes (by nomeata):

 * status:  infoneeded => new


Comment:

 It is right that the cabal file specifies only `curl` in the cabal file,
 after all, no specific version is required here.

 But after GHC has produced a `.so` file, this `.so` file, as you say, is
 tied to a specific version of the `curl` library. So the correct thing to
 do would be to store the precisely used version in the package data base.

 This way, building the curl bindings requires the `libcurl-dev` package,
 but using the curl bindings, e.g. when building a Haskell executable or
 from ghci, would only require the specific runtime package. This would
 actually make packaging Haskell for Debian a bit simpler...

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9498#comment:5>
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