RFR 8202683: Minimal VM should build cleanly on 64-bit platforms

[David Holmes]

On 8/05/2018 1:40 AM, Erik Joelsson wrote:
> Looks good to me.
> 
> Note for future, I would like it even more if we got rid of the 
> pre-defined jvm.cfg altogether and just always generated it. The build 

That was supposed to be happening ... see (non-public sorry) 
JDK-8179985. Don't know what the current status is.

David

> itself shouldn't be dictating artificial limitations on build 
> parameters. If we want to enforce limitations those should be explicit 
> instead.
> 
> /Erik
> 
> 
> On 2018-05-05 04:26, Aleksey Shipilev wrote:
>> RFE:
>>    https://bugs.openjdk.java.net/browse/JDK-8202683
>>
>> Fix:
>>    http://cr.openjdk.java.net/~shade/8202683/webrev.01/
>>
>> Minimal VM is targeted to 32-bit only, but hear me out. Recent build 
>> system changes, notably
>> conditional GC compilation, requires build/testing with some GCs 
>> disabled. Ultimately, we want
>> minimal VM to be buildable at all times. Today, we need to 
>> cross-compile to x86_32 to verify that,
>> but with this change, we can build minimal on x86_64, thus simplifying 
>> our day-to-day jobs. The
>> change itself generates jvm.cfg for minimal VM properly on both 
>> bitnesses.
>>
>> Testing: x86_64 server/minimal builds, x86_32 server/minimal builds
>>
>> Thanks,
>> -Aleksey
>>
>