fixed #1752:use unstripped version to resolve link error
Merge pull request #2052 from minggo/iss1752-link-error

fixed #1752:use unstripped version to resolve link error
fixed #1637:fix mac retina display and labelttf
Merge pull request #2054 from minggo/iss1637-retina-issue

fixed #1637:fix mac retina display and labelttf