disable GC, as this is deprecated since 10.8 and not supported anymore in Xcode 5
disable GC, as this is deprecated since 10.8 and not supported anymore in Xcode 5
ycaihua/skim-app,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim,WoLpH/skim,WoLpH/skim,WoLpH/skim