fix parallel build
fix parallel build

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