Porting to i686-msdosdjgpp

David Holmes david.holmes at oracle.com
Mon Nov 15 22:09:05 UTC 2021


On 16/11/2021 12:06 am, gnufan42 wrote:
> David Holmes wrote:
>> I'd say it is technically impossible to port OpenJDK to DOS as you do
>> not have any of the necessary operating system support for threads,
>> synchronization, virtual memory, ....
> 
> 	Well, these difficulties are all overcame by the DJGPP project. They use DPMI to let the code runs in 32-bit protected mode, they implemented a lot of POSIX functions, including pthread. Otherwise I won't be trying.

I'd never heard of DJGPP but the pthread support still seems limited - 
hard to find an accurate current description of what is actually 
supported. So I would not say these difficulties are overcome :) This 
will be an exceedingly complex and challenging project.

Cheers,
David

> Thanks,
> Gnufan
> 


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