RFR: JDK-8200083: Bump bootjdk requirement for JDK 11 to JDK 10 (original) (raw)

John Paul Adrian Glaubitz glaubitz at physik.fu-berlin.de
Wed Mar 21 22:41:29 UTC 2018

On 03/22/2018 07:07 AM, Martin Buchholz wrote:

But for users, being able to bootstrap with an ancient jdk is definitely convenient.

Convenient is an understatement. Always enforcing the N-1 version to be used can be quite painful for downstream distributions. Rust upstream does the same thing and it becomes very frustrating when bootstrapping the compiler.

When, for example, an architecture has fallen back a couple of releases of OpenJDK, I would have to go through the whole chain of 8->9->10->11 to get the latest OpenJDK. I know that cross-compiling is possible, but it's not always the easiest option.

So, from a downstream perspective, allowing the oldest possible version is always a desirable feature to have. I do understand it though when OpenJDK 11 requires features from OpenJDK 10 which would rule out older versions completely.

Adrian

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