C++ NetBeans Linking External Sources and .so Files

I am writing a C++ program in Linux with NetBeans. I am having difficulty setting it up to use external sources/shared objects. I have the .so files from the compiled external package and the source files that go with it.

So far I have:

• specified for the project to include all the source and header file directories (under Project properties->Build->C++ Compiler)
• specified the .so files that correspond to the external source code (under Project properties->Build-Linker)

When I try to declare an object defined in the external sources NetBeans does not give me any syntax errors and even auto-completes the object name for me. However, when I build the program I get an error saying "undefined reference to" that object.

Am I doing something horribly wrong?

EDIT: In response to quamrana's question, this is one of the output lines in the console when it attempts to build.

g++  -o dist/Debug/GNU-Linux-x86/JAUSTester build/Debug/GNU-Linux-x86/MainScreen.o build/Debug/GNU-Linux-x86/main.o build/Debug/GNU-Linux-x86/moc_MainScreen.o    -L/usr/lib -Wl,-rpath /usr/local/lib/active /usr/local/lib/active/libcxutils.so -Wl,-rpath /usr/local/lib/active/libjauscore.so -Wl,-rpath /usr/local/lib/active/libjausextras.so -Wl,-rpath /usr/local/lib/a开发者_C百科ctive/libjausmobility.so -Wl,-rpath /usr/local/lib/active/libtinyxml.so -lQtGui -lQtCore -lpthread

The .so files I want to include are the ones specified there in /usr/local/lib/active/.