I've just created tinyxml as a shared library, and would like to figure out how to link it. How is this accomplished?
You have to add includepath and libs in your pro file.
Something like the following. Just change your paths.
LIBS += -ltinyxml
LIBS += -L/libs/tinyxml/lib
INCLUDEPATH += /libs/tinyxml/include/
来源：https://stackoverflow.com/questions/7182229/linking-to-shared-library-in-qt