performance: 0.544
device: 0.508
graphic: 0.410
mistranslation: 0.271
debug: 0.225
user-level: 0.225
peripherals: 0.220
files: 0.208
permissions: 0.184
architecture: 0.166
arm: 0.150
ppc: 0.146
semantic: 0.114
risc-v: 0.094
register: 0.093
PID: 0.092
virtual: 0.066
TCG: 0.060
assembly: 0.058
VMM: 0.051
socket: 0.022
vnc: 0.019
network: 0.018
hypervisor: 0.016
kernel: 0.014
boot: 0.011
i386: 0.009
KVM: 0.006
x86: 0.005

unable to build in mac