Fix macOS build: disable thread-safety annotations in LockedPriorityQ… #2233
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Description
On macOS, thread-safety annotations in
rcpputilscause compilationfailures in
rosbag2_transportdue to Clang not supporting function-stylemacro definitions on the command line.
Changes in this PR:
RCPPUTILS_TSA_GUARDED_BY(x)on Apple platforms via an#ifdef.rosbag2_transportand other packages depending onLockedPriorityQueueto build successfully on macOS.
Testing
rcpputilsandrosbag2_transporton macOS (Apple Clang).