git: openjdk/jdk19u: master: 8296904: Improve handling of macos xcode toolchain

[Christoph Langer]

Changeset: 7275da49
Author:    Christoph Langer <clanger at openjdk.org>
Date:      2022-11-30 22:00:43 +0000
URL:       https://git.openjdk.org/jdk19u/commit/7275da49c0e9728b1b22c21c85ce8e98438e9adc

8296904: Improve handling of macos xcode toolchain

Reviewed-by: mbaesken
Backport-of: 470f3424fcce0e41b75cccdd5e3a56771cd07ff5

! doc/building.html
! doc/building.md
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