There's a closed pull request on the void-packages repository openmpi: backport AVX improvements, make mca_op_avx work https://github.com/void-linux/void-packages/pull/29049 Description: This should fix errors of the form ``` mca_base_component_repository_open: unable to open mca_op_avx: /usr/lib64/openmpi/mca_op_avx.so: undefined symbol: ompi_op_base_module_t_class (ignored) ```