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[CMake 7/7] Add CMake builds and migrate the test runner and CI - #3506
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Add CMake targets for dependencies, individual and grouped tests, header checks, and generated probability/expression tests. Migrate runTests.py, Python test tools, Jenkins and GitHub CI together; document the workflow. Retain Makefiles for upstream consumers. Preserve explicit callback captures with a Clang test-only unused-capture warning exception. Exclude unrelated numerical, solver and tolerance changes.
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Summary
Add CMake builds for vendored dependencies, individual and grouped test executables, precompiled headers, standalone header checks, and generated probability/expression tests. Switch
runTests.py, its Python build tools, Jenkins, and GitHub workflows together, and document the configuration/cache workflow. Keep Makefiles for upstream consumers. Clang test targets suppress unused-lambda-capture diagnostics so autodiff callbacks retain explicit captures.Part 7 of the CMake migration split from #3463.
Depends on #3501, #3502, #3503, #3504, #3505. Also depends on #3508. Its base is
fix/cvodes-adjoint-quadrature-output, so this review contains only the 22 infrastructure files. Merge the native stack from bottom to top.Tests
Side Effects
CMake becomes the Math test runner and CI backend. Directory selections run grouped executables; individual source selections remain supported. The default ReleaseTesting configuration keeps assertions enabled. This PR targets the preceding CVODES solver-fix PR in the native stack.
Release notes
Add CMake as the backend for Math tests and CI.
Checklist
CI repair
The Windows x64 and ARM64 reverse-mode failures in run 41720340936 come from stale CVODES quadrature output. The fix and regression are reviewed separately in #3508, now the immediate prerequisite. This PR retains exactly its original 22-file infrastructure diff. The updated native Windows CI is pending.
Related PRs
Native stack: https://github.com/stan-dev/math/stack/3509