++xcconfigs for settings that got reverted in #2
++xcconfigs for settings that got reverted in #2

sandyway/libextobjc,sanojnambiar/libextobjc,goodheart/libextobjc,sunfei/libextobjc,jiakai-lian/libextobjc,telly/libextobjc,bboyesc/libextobjc,WPDreamMelody/libextobjc,kolyuchiy/libextobjc,KBvsMJ/libextobjc,liuruxian/libextobjc