[GHC] #14537: Do not link to msvcrt.dll

[GHC]

#14537: Do not link to msvcrt.dll
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        Reporter:  johndoe           |                Owner:  (none)
            Type:  feature request   |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
  (Linking)                          |
      Resolution:  invalid           |             Keywords:
Operating System:  Windows           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by johndoe):

 I still want to resolve my issue.
 So I need to specify `-specs=<file>` in gcc commandline.
 How can I do it now? Is there some ghc config, or environment variable?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14537#comment:10>
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