id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,port 61492,"Cannot build openmpi-gcc10, mpich-gcc10, etc. on macOS 11.0.1 Big Sur, Xcode 12.2",ChristopherMayes,eborisch,"I am unable to install any *mpi*gcc10 port on the latest macOS 11.0.1 Big Sur, Xcode 12.2. Full main.log attached {{{ Undefined symbols for architecture x86_64: ""_mca_allocator_component_lookup"", referenced fr _common_sm_mpool_create in common_sm_mpool.o ""_opal_allocator_base_framework"", referenced fro _common_sm_mpool_create in common_sm_mpool.o ""_opal_class_init_epoch"", referenced from: _attach_and_init in common_sm.o ""_opal_class_initialize"", referenced from: _attach_and_init in common_sm.o ""_opal_compare_proc"", referenced from: _mca_common_sm_local_proc_reorder in common_ ""_opal_hwloc_base_membind"", referenced from: _mca_common_sm_mpool_alloc in common_sm_mpoo ""_opal_list_item_t_class"", referenced from: _mca_common_sm_module_t_class in common_sm.o ""_opal_output"", referenced from: _attach_and_init in common_sm.o _common_sm_mpool_create in common_sm_mpool.o ""_opal_proc_local_get"", referenced from: _attach_and_init in common_sm.o ""_opal_shmem_ds_copy"", referenced from: _attach_and_init in common_sm.o ""_opal_shmem_segment_attach"", referenced from: _attach_and_init in common_sm.o ""_opal_shmem_segment_create"", referenced from: _mca_common_sm_module_create_and_attach in c ""_opal_shmem_segment_detach"", referenced from: _attach_and_init in common_sm.o _mca_common_sm_fini in common_sm.o ""_opal_shmem_unlink"", referenced from: _mca_common_sm_module_unlink in common_sm.o ""_opal_show_help"", referenced from: _attach_and_init in common_sm.o ""_opal_strerror"", referenced from: _attach_and_init in common_sm.o ""_opal_uses_threads"", referenced from: _sm_module_finalize in common_sm_mpool.o ld: symbol(s) not found for architecture x86_64 collect2: error: ld returned 1 exit status make[2]: *** [libmca_common_sm.la] Error 1 }}}",defect,closed,Normal,,ports,2.6.4,fixed,,rhaas80 mkuron Guymer michaellass mascguy nhchan SpikeLightfoot dliessi,openmpi mpich