[GHC] #8713: Avoid libraries if unneeded (librt, libdl, libpthread)

[GHC]

#8713: Avoid libraries if unneeded (librt, libdl, libpthread)
-------------------------------------+-------------------------------------
              Reporter:  ip1981      |            Owner:
                  Type:  bug         |           Status:  upstream
              Priority:  normal      |        Milestone:
             Component:  GHCi        |          Version:  7.6.3
            Resolution:              |         Keywords:
      Operating System:  Other       |     Architecture:  x86_64 (amd64)
       Type of failure:  GHCi crash  |       Difficulty:  Moderate (less
             Test Case:              |  than a day)
              Blocking:              |       Blocked By:
Differential Revisions:              |  Related Tickets:
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Comment (by kgardas):

 Igor, could you be so kind and update your code to be applicable to GHC
 HEAD? Absolutely best would be to use phabricator, but git/gnu patch will
 also do. I can't test since patch application fails badly here:
 {{{
 $ gpatch -p1 < /tmp/dyson-libs.patch
 patching file libraries/unix/configure.ac
 Hunk #1 FAILED at 54.
 Hunk #2 FAILED at 219.
 2 out of 2 hunks FAILED -- saving rejects to file
 libraries/unix/configure.ac.rej
 patching file configure.ac
 Hunk #1 succeeded at 857 (offset 54 lines).
 Hunk #2 FAILED at 894.
 1 out of 2 hunks FAILED -- saving rejects to file configure.ac.rej
 patching file libraries/base/configure.ac
 Hunk #1 succeeded at 42 (offset 6 lines).
 patching file compiler/main/DriverPipeline.hs
 Hunk #1 FAILED at 1736.
 1 out of 1 hunk FAILED -- saving rejects to file
 compiler/main/DriverPipeline.hs.rej
 patching file compiler/main/StaticFlags.hs
 Hunk #1 FAILED at 450.
 1 out of 1 hunk FAILED -- saving rejects to file
 compiler/main/StaticFlags.hs.rej
 karel at silence:~/vcs/ghc-src/dyson-fix$ gpatch -p1 < /tmp/dyson-unix-
 libs.patch
 patching file libraries/unix/configure.ac
 Hunk #1 FAILED at 54.
 Hunk #2 FAILED at 219.
 2 out of 2 hunks FAILED -- saving rejects to file
 libraries/unix/configure.ac.rej
 }}}
 that's with today's HEAD. Thanks!

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8713#comment:12>
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