[plt-dev] Re: problem with optimistic compilation

On Wed, Aug 12, 2009 at 8:33 PM, Eli Barzilay<eli at barzilay.org> wrote:
> On Aug 12, Robby Findler wrote:
>> On Wed, Aug 12, 2009 at 4:45 PM, Eli Barzilay<eli at barzilay.org> wrote:
>> > On Aug 12, Robby Findler wrote:
>> >> Okay, after some more thought and offline consultation, I've
>> >> changed the way DrScheme works wrt to saving compiled .zo
>> >> files. It now saves its compiled files in compiled/drscheme/ (and
>> >> compiled/drscheme/errortrace), meaning that the files will be
>> >> ignored when mzscheme runs. It also only looks in those
>> >> directories when it is in compiled-file-generation mode.
>> >
>> > Won't this have the same problem with multiple versions of
>> > drscheme using the same file?
>>
>> Not unless there is a bug in CM; it should just recompile files when
>> they are out of date.
>
> I'm talking about:
>
>  * Create a file
>  * Run in drscheme, creating a compiled version
>  * Update PLT to a newer version
>  * Run the file again -- so the compiled file is still newer, but has
>    the wrong version.
>
> BTW, I tried to check it, but for some reason I don't get any
> compilation to happen -- is there some option I'm forgetting?

The file has to be outside of the PLT tree, maybe?

What you're describing sounds like it would be a bug in CM. I was
under the impression that this particular bug does not exist in CM but
I may be wrong.

Robby