#1372: Recompilation checker should consider package versions (and other
factors)
-------------------------+--------------------------------------------------
Reporter: bringert | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.10
Component: Compiler | Version: 6.6
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Os: Unknown | Testcase:
Architecture: Unknown |
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Changes (by simonmar):
* milestone: => 6.10
* summary: Recompilation checker should consider package versions =>
Recompilation checker should consider package
versions (and other factors)
Comment:
Some comments following discussion with bringert on IRC:
There's a more general underlying problem here. We should trigger
recompilation if the results could be in any way different to what we got
before. Ways in which the results could be different, that we don't
currently track:
* the package flags are different and/or the set of exposed packages has
changed
* header files that are `#included` (with `-cpp`) have changed
* any flags that may affect the compilation results are different
* the state of the world has changed at all (with `-fth`, see #481).
It's obviously not practical to cover all the possibilities here, but we
could do better than we currently are.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1372>
GHC <http://www.haskell.org/ghc/>
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