Problem even catkin_make'ing my ROS Images to OpenCV node -- Library issues?

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I am trying to create a node that will help me take an ROS Image and convert it to an OpenCV image. I am following the "Converting between ROS images and OpenCV images" tutorial. At step 9, I have created a cakin package with the required dependencies. When I paste the code given in the tutorial, and catkin_make, I get a ton of errors of style "... undefined reference to..." (this is a truncated example of my errors)

td::char_traits<char>, std::allocator<char> > const&, unsigned int, bool)'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0x799): undefined reference to `cv::namedWindow(cv::String const&, int)'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0x7a1): undefined reference to `cv::String::deallocate()'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0x7e6): undefined reference to `ros::NodeHandle::getParam(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&) const'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0x841): undefined reference to `cv::String::allocate(unsigned long)'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0xab3): undefined reference to `ros::NodeHandle::~NodeHandle()'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0xb48): undefined reference to `image_transport::ImageTransport::~ImageTransport()'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0xb50): undefined reference to `ros::NodeHandle::~NodeHandle()'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0xb68): undefined reference to `ros::NodeHandle::~NodeHandle()'
image_converter.cpp:(.text._ZN14ImageConverterC2Ev[_ZN14ImageConverterC5Ev]+0xc78): undefined reference to `cv::String::deallocate()'
CMakeFiles/adam_face_detect_node.dir/src/image_converter.cpp.o: In function `main':

but I have checked and all of those included libraries exist in /usr/include, as well as other locations. What is the problem?