[GHC] #12940: ghc-8.0.2 RC1 libs installed under package dirs vs Cabal installing packages under abi dir

[GHC]

#12940: ghc-8.0.2 RC1 libs installed under package dirs vs Cabal installing
packages under abi dir
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        Reporter:  juhpetersen   |                Owner:
            Type:  bug           |               Status:  new
        Priority:  normal        |            Milestone:  8.0.2
       Component:  Build System  |              Version:  8.0.2-rc1
      Resolution:                |             Keywords:
Operating System:  Linux         |         Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:                |  Differential Rev(s):
       Wiki Page:                |
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Description changed by juhpetersen:

@@ -8,0 +8,1 @@
+

New description:

 This may be more of an inconsistency than a bug:

 Under Linux, ghc-8.0.1.20161117 installs its dynlibs in package libdirs
 whereas Cabal-1.24.1.0 installs them under the abi dir:

 eg
 /usr/lib/ghc-8.0.2/pkg-version/libHSpkg-version-*.so

 vs
 /usr/lib/<arch>-linux-ghc-8.0.2/libHSpkg-version-*.so

 It would be more consistent for both to install in the same place.


 Personally I would even suggest just to install ghc dynlibs in /usr/lib
 itself but that is probably another discuss for Cabal...
 That would avoid the need for RPATH's entirely. :-)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12940#comment:1>
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