[GHC] #11820: Configure script doesn't check libdw version

[GHC]

#11820: Configure script doesn't check libdw version
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        Reporter:  bgamari           |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Build System      |              Version:  7.10.3
      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:D2103
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"e9ad48935fa48aa32dc39a55512168ba5f5bdbd2/ghc"
 e9ad4893/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="e9ad48935fa48aa32dc39a55512168ba5f5bdbd2"
 libdw: More precise version check

 Test Plan: Try configure in an environment with older `libdw`

 Reviewers: hvr, austin

 Subscribers: thomie, erikd

 Differential Revision: https://phabricator.haskell.org/D2103

 GHC Trac Issues: #11820
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11820#comment:4>
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