WebAssembly / WebAssembly/wasi-sdk
Why do we build compiler-rt/libcxx/libcxxabi with RelWithDebugInfo?
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- Dominant language
- CMake
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- Forks
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- Merged PRs (30d)
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Description
Why are we building them with RelWithDebugInfo instead of Release? Apart from lower optimization level, it causes dwarf sections to be linked into the final wasm with default linking flags, which IMHO is not desirable for most wasi-sdk users.
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing the build configuration for compiler-rt, libcxx, and libcxxabi to find where RelWithDebugInfo is selected, then inspect how the default WASM linking flags handle its DWARF sections. Determine whether the setting is intentional and document or adjust the configuration so the issue's optimization and final-WASM debug-section concerns are resolved.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cmake, cpp, wasm
- Domain
- build-system, compilers
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100