[GHC] #8144: Interface hashes include time stamp of dependent files (UsageFile mtime)

[GHC]

#8144: Interface hashes include time stamp of dependent files (UsageFile mtime)
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        Reporter:  nh2               |                   Owner:
            Type:  bug               |                  Status:  infoneeded
        Priority:  high              |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.6.3
      Resolution:                    |                Keywords:  testcase
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Changes (by nomeata):

 * priority:  normal => high


Comment:

 Also, from reading the patch, it is not clear to me if the filename is
 also part of the ABI hash. It should not be, as build directory names may
 change, e.g. on automatic build machines.

 Also see http://bugs.debian.org/785282

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8144#comment:32>
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