Fix macOS build regression from XOPEN_SOURCE=600 #96
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After adding XOPEN_SOURCE to include POSIX explicitly on Linux, we trigger the Darwin behavior of no longer defining Darwin extensions by default. Adding DARWIN_C_SOURCE restores access to those, particularly flock. Updates tailscale/corp#19964
This will catch regressions such as the one introduced in #95. Updates tailscale/corp#19964
creachadair
approved these changes
May 14, 2024
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It's easy to miss, libc/posix versioning are not pleasant to deal with! |
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This fixes the regression, also adds a macOS CI pipeline.