Thanks for your reply.
of course. i builded debug project as following as guide of mac compile instruction.
so i created a debugging and developing MuseScore project.
and i fixed some problem such as linking with freetype2.(project was not linked "ft2build.h)
I build success mscore project. and run...but not run. why? because QTDesigner.
I look for "Building settings/Search paths". framework link path was correct.
Framework Search Paths:
/Users/doa/Qt5.5.1/5.5/clang_64/lib
Header Search Paths:
/Users/doa/Qt5.5.1/5.5/clang_64/lib/QtDesigner.framework/Headers
what's problem?
dyld: Library not loaded: @rpath/QtDesigner.framework/Versions/5/QtDesigner
Referenced from: /Users/doa/MuseScore-2.0.2/build.xcode/mscore/Debug/mscore.app/Contents/MacOS/mscore
Reason: image not found
plz see again...
I'm using XCode7.1 and QT5.5.1...
Building project is not problem, but running is problem. why?

Thanks...