===> Building for openrct2-0.4.21nb1
[  0%] Building CXX object CMakeFiles/libopenrct2.dir/src/openrct2/AssetPack.cpp.o
In file included from /Users/pbulk/build/games/openrct2/work/OpenRCT2-0.4.21/src/openrct2/AssetPack.cpp:12:
In file included from /Users/pbulk/build/games/openrct2/work/OpenRCT2-0.4.21/src/openrct2/Context.h:12:
/Users/pbulk/build/games/openrct2/work/OpenRCT2-0.4.21/src/openrct2/core/BackgroundWorker.hpp:18:10: fatal error: 'stop_token' file not found
#include <stop_token>
         ^~~~~~~~~~~~
1 error generated.
gmake[2]: *** [CMakeFiles/libopenrct2.dir/build.make:79: CMakeFiles/libopenrct2.dir/src/openrct2/AssetPack.cpp.o] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:95: CMakeFiles/libopenrct2.dir/all] Error 2
gmake: *** [Makefile:136: all] Error 2
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-upstream-arm64/games/openrct2
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-upstream-arm64/games/openrct2