[GHC] #10821: Add a flag to avoid generation of .hi, .o, .dyn_* files

[GHC]

#10821: Add a flag to avoid generation of .hi, .o, .dyn_* files
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              Reporter:  spinda      |             Owner:
                  Type:  feature     |            Status:  new
  request                            |
              Priority:  normal      |         Milestone:
             Component:  Compiler    |           Version:  7.10.2
              Keywords:              |  Operating System:  Unknown/Multiple
          Architecture:              |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
             Test Case:              |        Blocked By:
              Blocking:              |   Related Tickets:
Differential Revisions:              |
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 When running tests involving GHC (eg. when developing GHC plugins), it is
 cumbersome and frustrating to have to constantly clean up the .hi, .o, and
 .dyn_* files that GHC leaves behind. There should be a way to tell GHC not
 to generate these files at all, or if they're needed during the build
 process, to clean them up on its own once it's finished with them.

 (Apologies if this is a duplicate issue -- "hi" and "o" are difficult
 terms to search on the bug tracker.)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10821>
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