adonis0147 opened a new pull request, #13716:
URL: https://github.com/apache/doris/pull/13716
# Proposed changes
~~Issue Number: close #xxx~~
## Problem summary
There are some issues with the compile flag `-Wno-unused-but-set-variable`
for clang.
1. `-Wno-unused-but-set-variable` should be set when building source by
clang-15 on Linux. (#13000 #13016)
2. On macOS Monterey, Apple Clang 13 may treat it as a unknown warning
option and the compilation process may interrupt.
This PR introduce a better way to make this compile flag more portable.
1. Test whether the compiler supports this flag.
2. Add this flag if the compiler supports it.
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
4. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
5. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
6. Does it need to update dependencies:
- [ ] Yes
- [ ] No
7. Are there any changes that cannot be rolled back:
- [ ] Yes (If Yes, please explain WHY)
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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