dyld load 'libbz2.1.0.dylib' fail

I have a app that need to use libbz, and when use Xcode to build and launch, it will crash and the console will print:

And I found when I set the compiler settings for debug:

Optimization Level -> Fastest, smallest[-Os]
Link Time Optimization -> No

the crash does not appear.

but for debug, I think the the right compiler settings is:

Optimization Level -> None[-O0]
Link Time Optimization -> Increment

why this happened and what can I do to fix it?

dyld load 'libbz2.1.0.dylib' fail
 
 
Q