[ ghc-Bugs-1189354 ] GHC dies silently with faulty preprocessor

Mon Apr 25 06:56:14 EDT 2005

Bugs item #1189354, was opened at 2005-04-25 02:47
Message generated for change (Comment added) made by nobody
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Category: Compiler
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Josef Svenningsson (josefs)
Assigned to: Nobody/Anonymous (nobody)
Summary: GHC dies silently with faulty preprocessor

Initial Comment:
This is perhaps a minor nuisance but I had to spend
quite some time to track down my bug. When ghc is given
a preprocessor which for some reason cannot execute
then ghc just dies silently without giving any
indication as to what the problem was. It would be nice
with a little message hinting at the problem on stderr.

Oh, and by the way, the -F flag doesn't have any
documentation. It is only mentioned together with -optF.

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Comment By: Nobody/Anonymous (nobody)
Date: 2005-04-25 03:56

Message:
Logged In: NO 

This is on Windows, I presume?

On Linux, I get:

$ ghc -F -pgmF wibble -c hello.hs   
ghc-6.4: could not execute: wibble

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