[GHC] #12555: bindist configure checks involving the compiler are broken

[GHC]

#12555: bindist configure checks involving the compiler are broken
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        Reporter:  rwbarton          |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  high              |            Milestone:  8.0.2
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2510
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"05b497ece50f508526d0906f675bdb4c8109d46a/ghc" 05b497e/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="05b497ece50f508526d0906f675bdb4c8109d46a"
 distrib: Fix libdw bindist check

 As reported in #12555 this code was terribly broken. Sadly, Autoconf was
 none-the-wiser. Thanks to @rwbarton for pointing this out.

 Test Plan: Test with libdw version newer and older and 0.158

 Reviewers: hvr, austin, rwbarton

 Reviewed By: rwbarton

 Subscribers: thomie, rwbarton, erikd

 Differential Revision: https://phabricator.haskell.org/D2510

 GHC Trac Issues: #12555
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12555#comment:4>
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