Coeur/FontLabel — comment on commit 98c290302cb0e83efaa2e0e46ad13e835735f3be
File: FontLabel/Classes/FontLabel/FontLabel.m line 50
By kballard:

This might be better done as a capability test, so you can still compile for 3.2 and get `contentScaleFactor` if it exists at runtime. Something like

if ([label respondsToSelector:@selector(contentScaleFactor)]) {