#5753: ghci doesn't always use compiled modules
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Reporter: rl | Owner:
Type: bug | Status: closed
Priority: normal | Milestone: 7.4.1
Component: Compiler | Version: 7.2.1
Resolution: invalid | Keywords:
Os: Windows | Architecture: Unknown/Multiple
Failure: Other | Difficulty: Unknown
Testcase: | Blockedby:
Blocking: | Related:
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Changes (by rl):
* status: infoneeded => closed
* resolution: => invalid
Comment:
Gosh, it turns out that for some reason, Cygwin's clock can be a couple of
minutes ahead of the system clock so touching T.hs produces a timestamp in
the future (based on Cygwin's clock) and even after recompiling, T.o has a
timestamp before that (based on the system clock). So this indeed only
happens under Cygwin and only under quite specific circumstances (although
it seems that I'm not the only one for whom this happens).
I'll close the ticket but have you considered storing an hash of the
source file in the .hi file and using that instead of the timestamps? It
seems that would be more robust.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5753#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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