O2Physics build error with macOS Monterey

Dear experts,

Recently I tried to build O2 in Monterey 12.0.1, with the latest version of Home-brew and Alibuild. However, when build the jet related working flow in O2Physics, it breaks for both intel and M1 ships(I also find if I remove these jet working flow, the O2physics can be built successfully):

O2Physics/stage/bin/o2-analysis-je-jet-finder -b --dump-workflow --dump-workflow-file o2-analysis-je-jet-finder.json
2021-12-13@09:00:00:DEBUG:O2Physics:O2Physics:0: dyld[31443]: symbol not found in flat namespace ‘___gmpn_add_n’
2021-12-13@09:00:00:DEBUG:O2Physics:O2Physics:0: Subprocess aborted

It seems related to gmp, but I can’t get much useful information from the log. Do you have any ideas? Thanks in advance for the help!

Best Regards,

Monterey is not supported at the moment. That said, most likely you need to recompile the whole stack from scratch because the system installation of GMP got updated.

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