[GHC] #4900: DEPENDS pragma

[GHC]

#4900: DEPENDS pragma
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        Reporter:  cdsmith           |            Owner:
            Type:  feature request   |           Status:  patch
        Priority:  normal            |        Milestone:  7.8.1
       Component:  Compiler          |          Version:
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:  TH_Depends        |       Blocked By:
        Blocking:                    |  Related Tickets:
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Changes (by adamgundry):

 * cc: adam@… (added)
 * status:  new => patch
 * milestone:  7.6.2 => 7.8.1


Comment:

 I've updated Patrick's patch to the latest HEAD, which involved switching
 to use file content hashes rather than modification times (per the fix to
 #8144) and integrating with the new parallel upsweep (#910).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4900#comment:60>
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