Issues building graal-jvmci-8 with Cygwin

[Doug Simon]

> On 8 Nov 2018, at 12:01, Jorn Vernee <jbvernee at xs4all.nl> wrote:
> 
> Hi Doug,
> 
>> The unfortunately thing is that mx used to be a first class citizen on
>> mx but since we no longer have anyone internally developing on
>> Windows, it has bit rotted.
> 
> Sorry for sounding frustrated. I have been interested in Graal for a few years, but have been getting turned away by build issues.

I understand how frustrating that is and we will try and address these issues.
> 
> Should I report the errors I'm seeing with mx on github?

Yes please. At least we can get a better idea of what's not working.

>> You can use the version of IGV included in the GraalVM EE downloads
>> available at
>> https://www.oracle.com/technetwork/oracle-labs/program-languages/downloads/index.html.
>> It's in bin/idealgraphvisualizer.
> 
> I've downloaded the Windows GraalVM EE snapshot, but it does not include idealgraphvisualizer.
> 
> I've tried running the one from the Linux version with cygwin, but that doesn't seem to work either. (throws some error about not being able to read a .clusters file)

@Svata: Should it be possible to somehow run the IGV bundled with GraalVM EE for Linux on Windows? After all, it's all Java right?

-Doug