device: 0.751
arm: 0.708
performance: 0.436
semantic: 0.427
ppc: 0.408
graphic: 0.311
risc-v: 0.309
PID: 0.263
debug: 0.263
network: 0.246
peripherals: 0.219
files: 0.194
user-level: 0.186
architecture: 0.175
register: 0.168
mistranslation: 0.141
boot: 0.130
socket: 0.128
vnc: 0.122
hypervisor: 0.102
permissions: 0.098
kernel: 0.074
virtual: 0.046
i386: 0.034
VMM: 0.030
x86: 0.014
TCG: 0.009
assembly: 0.007
KVM: 0.003

Failure to build using GCC on macOS