RFR: 8353005: AIX build broken after 8352481

[Martin Doerr]

On Thu, 27 Mar 2025 02:57:23 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> 
> Apologize for the inconvenience, fix of [JDK-8352481](https://bugs.openjdk.org/browse/JDK-8352481) make AIX build broekn.
> 
> According to the implementation of makefile function `FLAGS_SETUP_LDFLAGS_HELPER` which locate in make/autoconf/flags-ldflags.m4 file, only the combination of `$TOOLCHAIN_TYPE == clang` and `$OPENJDK_TARGET_OS == linux` support lld linker. So this PR limite the use of lld on linux instead of non-macos.

I think a positive list makes more sense. BSD can be added if needed.

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Marked as reviewed by mdoerr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24270#pullrequestreview-2720654898