[GHC] #9465: configure: sed: illegal option -- r

[GHC]

#9465: configure: sed: illegal option -- r
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              Reporter:  jrp         |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Build       |          Version:  7.8.3
  System                             |         Keywords:  sed
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Easy (less than 1
  Unknown/Multiple                   |  hour)
       Type of failure:  Building    |       Blocked By:
  GHC failed                         |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by jrp):

 I think that an answer could be to use -E instead of -r
 (http://www.freebsd.org/cgi/man.cgi?query=sed)  although this will
 presumably not be compatible with gnu sed.

 Did the repvious version not work at all with BSD?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9465#comment:3>
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