RFR: 8348536: Build fails with extra cflags -DLOG_PLEASE

[SendaoYan]

On Fri, 24 Jan 2025 06:36:34 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> This is complement implement PR of [JDK-8347990](https://bugs.openjdk.org/browse/JDK-8347990), which fix make fails with extra flags '-DLOG_PLEASE'. On the other hand, I think it's better check macro `LOG_PLEASE` has been defined or not before define it.
> Change has been verified locally, test-fix only, risk is low.

Hi, can anyone take look this PR.

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PR Comment: https://git.openjdk.org/jdk/pull/23290#issuecomment-2673816035