Aaron Coble wrote:

> I've been trying to use polyml with HOL, but I've run into a
> difficultly.... Scripts that use Polyhash yield the following error
> when building "Structure (Polyhash) has not been declared". It seems
> based on google searches that Polyhash is a mosml thing that
> presumably doesn't exist in polyml (ironic given the names)...  can
> anyone confirm this?  has anyone had the same problem? can anyone
> suggest a solution?

Hi Aaron,

It's funny you should mention this.  We're currently working on a port
to PolyML, and, as long as you're on Unix or MacOS, you can now run
HOL4 under PolyML.  You'll need to get the Subversion repository
version of the source code first.

Use

   svn co https://hol.svn.sf.net/svnroot/hol/HOL

and then, in the HOL root directory that is created as a result,
configure with

   poly < tools-poly/smart-configure.sml

You then need to build with

   bin/build -symlink -expk

(If it gives up towards the very end of this process in help/src,
don't worry about this; you'll just have less automatically generated
documentation.)

PolyML definitely runs everything quicker, but it's quite possible
that there are still issues that we'll need to iron out.

Michael.




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