New IBM * XL toolset.#438

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grafikrobot merged 16 commits intomainfrom

Mar 17, 2025

Commits on Jan 21, 2025

Initial common IBM XL compiler toolset.
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Commits on Jan 22, 2025

Working multi-init and C++ compile.
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Add language options for clang variant. Set correct cxxstd flags for clang variant. Add to reference docs.
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Specify ibm and clang shared link flags.
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Commits on Jan 29, 2025

Add symbols for libs in project_glob test for platforms that complain about no export even when the default to exporting everything.
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Commits on Jan 31, 2025

Commits on Feb 1, 2025

Commits on Mar 16, 2025

Merge branch 'main' into feature/ibmcxx
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