RFR: JDK-8200083: Bump bootjdk used for JDK 11 at Oracle to JDK 10 (original) (raw)

David Holmes david.holmes at oracle.com
Thu Apr 5 02:01:47 UTC 2018

On 5/04/2018 11:56 AM, Martin Buchholz wrote:

On Wed, Apr 4, 2018 at 5:03 PM, David Holmes <david.holmes at oracle.com_ _<mailto:david.holmes at oracle.com>> wrote:

On 5/04/2018 7:00 AM, Jonathan Gibbons wrote:

I have to agree. There can't be two bootJDK versions. I have to disagree.  You could design openjdk to be buildable by any set of boot JDKs. It's only the fact that javac happens to be written in java that creates a boot jdk requirement at all.

The point is you can't require two different bootJDK versions. As Jon said as soon as someone relies on a JDK 10 feature** you can no longer use a JDK 9 boot JDK.

** This isn't quite as broad as it sounds. Only critical bootstrapping parts of the build are limited to the capabilities of the bootJDK. The other parts will be built with the interim javac.

David

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