adonis0147 opened a new pull request, #11444:
URL: https://github.com/apache/doris/pull/11444
# Proposed changes
Add an environment variable `EXTRA_CXX_FLAGS` to customize the extra compile
flags.
## Problem summary
In our daily work, someones may want to change the compile flags to satisfy
their requirements. This pr introduces a way to customize extra compile flags.
E.g.
Change the optimization level:
```shell
BUILD_TYPE=ASAN EXTRA_CXX_FLAGS=-O3 ./build.sh --be
```
```shell
export EXTRA_CXX_FLAGS=-O3
BUILD_TYPE=ASAN ./build.sh --be
```
```shell
echo EXTRA_CXX_FLAGS=-O3 >> custom_env.sh
BUILD_TYPE=ASAN ./build.sh --be
```
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
2. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
3. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
4. Does it need to update dependencies:
- [ ] Yes
- [ ] No
5. 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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