c++ - Running qt5 program cannot find symbol -


i wrote program qt5.6 on mac 10.10. crashed when run. qt application output is: 

dyld: symbol not found: __cg_png_create_info_struct    referenced from: /system/library/frameworks/imageio.framework/versions/a/imageio    expected in: /usr/local/lib/libpng.dylib  in /system/library/frameworks/imageio.framework/versions/a/imageio

but compiled latest version of libpng , installed in /usr/local/lib default name libpng.dylib. tried rename libpng.dylib nothing changed of tips. why didn't find symbol? should solve it?


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