build(native-macos): enable UDP multicast mesh#10784
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native-macos only pulls portduino_base.build_flags_common, which omits -DHAS_UDP_MULTICAST=1 (that flag lives in portduino_base.build_flags, inherited by Linux native via native_base). As a result macOS native builds had no UDP multicast, so two local meshtasticd nodes couldn't mesh over 224.0.0.69:4403. Add -DHAS_UDP_MULTICAST=1 to the native-macos build_flags (inherited by native-macos-debug). Depends on the Darwin multicast-bind fix in framework-portduino#75 to actually mesh between sibling processes on macOS; without it the socket binds the group address and never loops back on Darwin. Verified: native-macos builds with the flag and two nodes mesh over UDP once the framework fix is in the resolved platform-native bundle. Signed-off-by: James Rich <2199651+jamesarich@users.noreply.github.com>
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Summary
native-macosonly pullsportduino_base.build_flags_common, which omits-DHAS_UDP_MULTICAST=1(that flag lives inportduino_base.build_flags, inherited by Linux native vianative_base). So macOS native builds shipped with no UDP multicast, and two localmeshtasticdnodes couldn't mesh over224.0.0.69:4403.This adds
-DHAS_UDP_MULTICAST=1to thenative-macosbuild flags (also inherited bynative-macos-debug).Dependency
Without the Darwin multicast-bind fix in that PR, the socket binds the multicast group address and never loops back on macOS, so enabling the flag alone yields a non-functional listener on Darwin. Opening as a draft until the framework fix is in the resolved
platform-nativebundle.Test plan
pio run -e native-macosbuilds with the flag (no manualPLATFORMIO_BUILD_FLAGSoverride).native-macosnodes mesh over224.0.0.69:4403— both node DBs cross-populate and a text message is delivered.-e native) unaffected — it already had the flag.