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This is my typical CMakeLists.txt for testing code, which also includes several commented lines for Qt and OpenMP, which you can uncomment if needed. Since this is a CMakeLists.txt you need cmake to create the actual Makefile, e.g. via "ccmake ." (where '.' refers to the current location).

project(Test)
cmake_minimum_required(VERSION 2.8)

set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")

include_directories(${CMAKE_CURRENT_SOURCE_DIR})

#if you want to have Qt4-support uncomment this
#find_package(Qt4 REQUIRED)
#if(QT_FOUND)
## activate XML component
#set(QT_USE_QTXML TRUE)
#include(${QT_USE_FILE})
#add_definitions(${QT_DEFINITIONS})
#include_directories(${CMAKE_CURRENT_BINARY_DIR} ${QT_INCLUDE_DIR})
#endif(QT_FOUND)    

find_package( OpenCV REQUIRED )
if( OpenCV_FOUND )
list( APPEND ThirdParty_LIBS ${OpenCV_LIBS} )
    include_directories( ${OpenCV_INCLUDE_DIRS} )
endif( OpenCV_FOUND )

# uncomment this for OpenMP support
#FIND_PACKAGE(OpenMP REQUIRED)  
#if(OPENMP_FOUND)
#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
#endif()

# uncomment this for c++11 support
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

set(${PROJECT_NAME}_SRC main.cpp test1.cpp test2.cpp)
set(${PROJECT_NAME}_HDR test1.h test2.h)
# currently we don't have any forms-uncomment if you have qt-forms
#set(${PROJECT_NAME}_FORMS mainwindow.ui)

# also no moc from headers needed (uncomment if qt used)
#QT4_WRAP_CPP(${PROJECT_NAME}_HDR_MOC ${${PROJECT_NAME}_HDR})
# no forms
#QT4_WRAP_UI(${PROJECT_NAME}_FORMS_HDR ${${PROJECT_NAME}_FORMS})

# use this line if you have used Qt instead the next line
#add_executable(${PROJECT_NAME} ${${PROJECT_NAME}_SRC} ${${PROJECT_NAME}_HDR_MOC} ${${PROJECT_NAME}_FORMS_HDR} )
add_executable(${PROJECT_NAME} ${${PROJECT_NAME}_SRC} ${${PROJECT_NAME}_HDR})
target_link_libraries(${PROJECT_NAME} ${OpenCV_LIBS})