Detect architectures not yet supported, and exit out, rather than continuing silently.
Detect architectures not yet supported, and exit out, rather than continuing silently.

sousoux/luvit,kaustavha/luvit,DBarney/luvit,boundary/luvit,kaustavha/luvit,boundary/luvit,boundary/luvit,rjeli/luvit,kaustavha/luvit,zhaozg/luvit,rjeli/luvit,zhaozg/luvit,boundary/luvit,sousoux/luvit,AndrewTsao/luvit,GabrielNicolasAvellaneda/luvit-upstream,DBarney/luvit,luvit/luvit,boundary/luvit,sousoux/luvit,bsn069/luvit,GabrielNicolasAvellaneda/luvit-upstream,rjeli/luvit,rjeli/luvit,DBarney/luvit,sousoux/luvit,sousoux/luvit,connectFree/lev,bsn069/luvit,sousoux/luvit,GabrielNicolasAvellaneda/luvit-upstream,AndrewTsao/luvit,bsn069/luvit,boundary/luvit,luvit/luvit,DBarney/luvit,GabrielNicolasAvellaneda/luvit-upstream,connectFree/lev,AndrewTsao/luvit