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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Cannot load: undefined symbol tbb::task::note_affinity","articleBody":"Are we sure that nothing is required on Linux?\r\n\r\nhttps://github.com/RcppCore/RcppParallel/blob/0da9610af0fcfe3154bff8c0e38c9ad22fc9fb62/R/tbb.R#L92-L93\r\n\r\nI cannot load the `markovchain` package (cc @spedygiorgio), which links against `RcppParallel`, with the following error:\r\n\r\n```\r\nError: package or namespace load failed for ‘markovchain’ in dyn.load(file, DLLpath = DLLpath, ...):\r\n unable to load shared object '/usr/local/lib/R/library/markovchain/libs/markovchain.so':\r\n  /usr/local/lib/R/library/markovchain/libs/markovchain.so: undefined symbol: _ZN3tbb4task13note_affinityEt\r\n```\r\n\r\nSo somehow this TBB symbol ends up in the `markovchain` library. Manually adding `-ltbb` to the linking phase solves the issue for me, but currently `RcppParallel::RcppParallelLibs()` returns nothing for Linux.","author":{"url":"https://github.com/Enchufa2","@type":"Person","name":"Enchufa2"},"datePublished":"2022-09-05T16:08:17.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/183/RcppParallel/issues/183"}