#6132: Can't use both shebang line and #ifdef declarations in the same file.
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Reporter: gfxmonk | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.8.1
Component: Compiler | Version: 7.0.4
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: GHC rejects valid program
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Changes (by igloo):
* difficulty: => Unknown
* milestone: => 7.8.1
Comment:
If you put the conditional part into a separate module with a `{-#
LANGUAGE CPP #-}` pragma then it would work, but I suspect you don't want
to do that so that it's easy to move the script around. Similarly a custom
preprocessor would make moving it around harder.
I can't see a better immediate fix than:
* When running CPP, if the file starts with #! then copy all but the
first line to a temporary file and run CPP on that instead. (actually,
we'd want a blank first line so that line numbers work out).
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6132#comment:1>
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