RFR: 7903399: sync panama branch of jextract for jdk 21

Mon Dec 12 17:49:19 UTC 2022

On Mon, 12 Dec 2022 17:35:41 GMT, Athijegannathan Sundararajan <sundar at openjdk.org> wrote:

> changed to use --enable-preview --source=21 everywhere along apart from changes done in jdk20 branch

Looks good

Please make sure that README is in sync with the fact that we now required JDK 21

Actually, the README file needs changing, as the build properties seem to refer to JDK20  (e.g. jdk20_home).

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Marked as reviewed by mcimadamore (Committer).

PR: https://git.openjdk.org/jextract/pull/97Changes requested by mcimadamore (Committer).