build: set OpenSSL3 paths on RHEL-like Linux (TRI-938)

[mc-nv]

What does the PR do?

Updates CMake so OpenSSL 3 library paths are set on RHEL-like Linux for manylinux/repack builds.

Checklist

• PR title reflects the change and is of format <commit_type>: <Title>
• Changes are described in the pull request.
• Related issues are referenced.
• Populated github labels field
• Added test plan and verified test passes.
• Verified that the PR passes existing CI.
• Verified copyright is correct on all changed files.
• Added succinct git squash message before merging ref.
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Commit Type:

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• build
• ci
• docs
• feat
• fix
• perf
• refactor
• revert
• style
• test

Related PRs:

triton-inference-server/core#488
triton-inference-server/client#886
triton-inference-server/third_party#73
triton-inference-server/tensorrt_backend#119
triton-inference-server/python_backend#434
triton-inference-server/pytorch_backend#186

Where should the reviewer start?

CMakeLists.txt and src/CMakeLists.txt — OpenSSL3 path logic for RHEL-like Linux.

Test plan:

• CI Pipeline ID:

Caveats:

Background

Part of ManyLinux / OpenSSL repack work.

Related Issues: (use one of the action keywords Closes / Fixes / Resolves / Relates to)

• Resolves Linear issue: TRI-938

Changes

• c0dd319 build: set OpenSSL3 paths on RHEL-like Linux (TRI-938)

Affected Files

• CMakeLists.txt
• src/CMakeLists.txt