FTBFS = "Fails To Build From Source" guix package --no-substitutes -i openblas
resulted in the error below on Guix System running on a KVM in Proxmox VE using the default CPU called "kvm64". --- OPENBLAS_NUM_THREADS=1 OMP_NUM_THREADS=1 ./sblat3 < ./sblat3.dat Program received signal SIGILL: Illegal instruction. Backtrace for this error: #0 0x7ffff7d2fc1a #1 0x7ffff7d2ee45 #2 0x7ffff7a2209f #3 0x186ac04 bash: line 1: 25848 Illegal instruction OPENBLAS_NUM_THREADS=1 OMP_NUM_THREADS=1 ./sblat3 < ./sblat3.dat make[1]: *** [Makefile:167: level3] Error 132 --- I shutdown the VM and changed the CPU type to "host" (which provides the full instruction set of my CPU to the VM) and was able to build successfully using the same command. openblas 0.3.20 out /gnu/store/xghpgl3fnr603z16vg7hldmpxygriqm2-openblas-0.3.20
