Merge pull request #18972 from e-kayrakli/protect-gnu-source
Add ifndef's around GNU_SOURCE #defines
I bumped into issues building Chapel because of redefined
This PR prevents that by adding
The issue likely started with Split bundled and system -I and -L arguments by mppf · Pull Request #18880 · chapel-lang/chapel · GitHub.
[Reviewed by @mppf]
Modified Files: M runtime/src/chplsys.c