Gerwin.Klein at nicta.com.au
Mon Jul 21 09:20:54 CEST 2014
Right. Then something in the ISABELLE_GHC mechanism does not work, it’s definitely set to the right path.
On 21 Jul 2014, at 8:40 am, Andreas Lochbihler <andreas.lochbihler at inf.ethz.ch> wrote:
> The Native_Word entry in the AFP contains a number of quickcheck[narrowing] calls that are set up such that they are tested only if ISABELLE_GHC is set. Therefore, there cannot be an error message about quickcheck narrowing if ISABELLE_GHC is not set.
> On 19/07/14 21:30, Gerwin Klein wrote:
>> Just had a very strange experience with ISABELLE_GHC.
>> You will have noticed that the AFP test failed the last few days with GHC compilation errors.
>> The AFP test settings included the line
>> Apparently, this caused sessions like Native_Word to fail, even though that is where ghc is installed on this machine (macbroy2). ghc also happens to be in the PATH on macbroy2 (pointing to the same /opt/local/bin/ghc), so in an act of desperation I tried locally removing the above line on the isatest account. Voila, Native_Word builds fine.
>> This was on isabelle 2bfbeb0e69cd and afp 4ea6558c319c.
>> However: on my laptop, with ISABELLE_GHC=/usr/bin/ghc, everything works fine. Either it’s something about the path or something about the macbroyX machines.
>> Any ideas what could be going on?
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