undefined reference to everything

Hi, I have a package in my workspace that uses openCV and cv_bridge. I needed the cuda module of openCV, but it doesn't exist in the default openCV of ROS. I installed another version of openCV that included the cuda modules, I tried to link my workspace and my package to the new openCV and I had lots of errors like "undefined reference to 'cv_bridge::...' ", "undefined reference to 'ros::init::...' ", "undefined reference to 'rosbag::...' ". I tried to solve the problems but I wasn't able, so I tried to return to the default openCV (it worked fine with my package before I tried to use cuda, etc.), but it gives the same errors now. I have uninstalled and reinstalled ROS, deleted my workspace and the package and I have created them again, but I have the same errors. I have all the dependencies in the CMakeLists.txt. These are some of the errors: undefined reference to 'cv_bridge::toCvCopy(boost::shared_ptr> const> const&, std::string const&)' undefined reference to 'ros::console::initializeLogLocation(ros::console::LogLocation*, std::string const&, ros::console::levels::Level)' undefined reference to 'ros::init(int&, char**, std::string const&, unsigned int)' undefined reference to 'ros::NodeHandle::NodeHandle(std::string const&, std::map, std::allocator>> const&)' undefined reference to 'rosbag::Bag::open(std::string const&, unsigned int)' undefined reference to 'rosbag::TypeQuery::TypeQuery(std::string const&)' undefined reference to 'rosbag::MessageInstance::getTopic() const' undefined reference to 'pcl_ros::transformPointCloud(std::string const&, sensor_msgs::PointCloud2_> const&, sensor_msgs::PointCloud2_>&, tf::TransformListener const&)' undefined reference to 'pcl::PCDWriter::writeBinary(std::string const&, pcl::PCLPointCloud2 const&, Eigen::Matrix const&, Eigen::Quaternion const&)' undefined reference to 'pcl::PCDWriter::writeASCII(std::string const&, pcl::PCLPointCloud2 const&, Eigen::Matrix const&, Eigen::Quaternion const&, int)' undefined reference to 'rosbag::MessageInstance::getMD5Sum() const' undefined reference to 'rosbag::Bag::readField(std::map, std::allocator>> const&, std::string const&, bool, std::string&) const' undefined reference to 'rosbag::Bag::readField(std::map, std::allocator>> const&, std::string const&, bool, std::string&) const' I don't know if trying to use the new openCV I have changed something in my CMakeLists.txt or package.xml, so I add them here. CMakeLists.txt: cmake_minimum_required(VERSION 2.8.3) project(b_c_f) ## Compile as C++11, supported in ROS Kinetic and newer # add_compile_options(-std=c++11) ## Find catkin macros and libraries ## if COMPONENTS list like find_package(catkin REQUIRED COMPONENTS xyz) ## is used, also find other catkin packages find_package(PCL REQUIRED) find_package(OpenCV REQUIRED) find_package(catkin REQUIRED COMPONENTS cv_bridge pcl_conversions pcl_msgs pcl_ros rosbag roscpp sensor_msgs tf ) ################################### ## catkin specific configuration ## ################################### ## The catkin_package macro generates cmake config files for your package ## Declare things to be passed to dependent projects ## INCLUDE_DIRS: uncomment this if your package contains header files ## LIBRARIES: libraries you create in this project that dependent projects also need ## CATKIN_DEPENDS: catkin_packages dependent projects also need ## DEPENDS: system dependencies of this project that dependent projects also need catkin_package( # INCLUDE_DIRS include # LIBRARIES b_c_f # CATKIN_DEPENDS cv_bridge pcl_conversions pcl_msgs pcl_ros rosbag roscpp sensor_msgs tf # DEPENDS system_lib ) ########### ## Build ## ########### ## Specify additional locations of header files ## Your package locations should be listed before other locations include_directories( include include/b_c_f src/log ${catkin_INCLUDE_DIRS} ${PCL_INCLUDE_DIRS} ${OpenCV_INCLUDE_DIRS} ) ## Declare a C++ executable ## With catkin_make all packages are built within a single CMake context ## The recommended prefix ensures that target names across packages don't collide add_executable(bag_to_pcd src/BagCameraFiltering.cpp src/Blob.cpp src/timing-helper.cpp src/Tracker.cpp src/Vehicle.cpp src/log/Logger.cpp src/log/LogItem.cpp src/log/Log.cpp src/log/Thread.cpp #include/bag_camera_filtering/Vehicle.h ) ## Specify libraries to link a library or executable target against target_link_libraries(bag_to_pcd ${catkin_LIBRARIES} ${OpenCV_LIBS} ${PCL_LIBRARIES} ) package.xml: b_c_f0.0.0The b_c_f packageporticoTODOcatkincv_bridgepcl_conversionspcl_msgspcl_rosrosbagroscppsensor_msgstfcv_bridgepcl_conversionspcl_msgspcl_rosrosbagroscppsensor_msgstfcv_bridgepcl_conversionspcl_msgspcl_rosrosbagroscppsensor_msgstf I don't know anything about how the bash or bashrc should be so the problem could be there too. Pd: I cloned the cv_bridge from github as another package in my catkin_ws but that didn't solve anything. Please, I need help!