Coming soon: second generation prototype of Hg forest consolidation

[David Holmes]

Hi Stefan,

On 11/04/2017 3:47 AM, Stefan Karlsson wrote:
> Hi all,
>
> Great to see that the consolidation work is going forward!
>
> I have comment specific to the HotSpot code layout:
>
> We previously had this layout (using a small set of directories as an
> example):
>  hotspot/src/share/vm
>  hotspot/src/os/linux/vm
>  hotspot/src/os/solaris/vm
>  hotspot/src/os/solaris/dtrace
>  hotspot/src/os/bsd/launcher
>  hotspot/src/share/tools/hsdis
>
> and this is the new layout:
>  src/hotspot/share/vm
>  src/hotspot/os/linux/vm
>  src/hotspot/os/solaris/vm
>  src/hotspot/os/solaris/dtrace
>  src/hotspot/os/bsd/launcher
>  src/hotspot/share/tools/hsdis
>
> should we consider changing the layout of the HotSpot code so that we
> don't mix the source code for the vm, tools, launcher? For example:
>  src/hotspot/vm/share
>  src/hotspot/vm/os/linux
>  src/hotspot/vm/os/solaris
>  src/hotspot/launcher/os/bsd
>  src/hotspot/tools/hsdis
>  src/hotspot/dtrace/os/solaris
>
> I'm not sure that we would want to include such a change in the
> consolidation effort, but we are changing all file paths so maybe it's
> the right time to think about this.

Not sure what you mean about "mix the source code" but I much prefer the 
familiar hotspot layout:
- share
- os
- os_cpu
etc

Cheers,
David

> Cheers,
> StefanK
>
> On 10/04/17 18:42, joe darcy wrote:
>> Hello,
>>
>> Second generation prototype now available from
>>
>>     http://hg.openjdk.java.net/jdk10/consol-proto/
>>
>> Sources equivalent to JDK 9 b161.
>>
>> Thanks,
>>
>> -Joe
>>
>>
>> On 4/5/2017 9:44 AM, joe darcy wrote:
>>> Hello,
>>>
>>> As previously discussed [1], we've been exploring consolidating the
>>> many repositories in an OpenJDK Hg forest (jdk, langtools, hotspot,
>>> ...) into a single repository for JDK 10. The initial prototype of a
>>> consolidated repo [2], equivalent to JDK 9 build 138, was published
>>> in October 2016.
>>>
>>> Erik Joelsson has been working on a refined version of the
>>> consolidation repo and we plan to publish this second generation
>>> prototype in the near future. The new prototype presents a more
>>> faithful view of the sources between tags for promoted builds and
>>> provides a cleaner overall file layout.
>>>
>>> The corresponding JEP [3] will be updated to reflect the details of
>>> the new prototype in due course.
>>>
>>> Cheers,
>>>
>>> -Joe
>>>
>>> [1] "Looking ahead: proposed Hg forest consolidation for JDK 10,"
>>> http://mail.openjdk.java.net/pipermail/jdk9-dev/2016-October/004987.html
>>>
>>> [2] http://hg.openjdk.java.net/jdk9/consol-proto/
>>>
>>> [3] JEP 296: Consolidate the JDK Forest into a Single Repository
>>> http://openjdk.java.net/jeps/296
>>>
>>
>