<div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div>Hello everyone. </div><div><br></div><div>I'm trying to build my project, which have this code as dependency: <a href="https://github.com/kylemcdonald/FaceTracker" target="_blank">https://github.com/kylemcdonald/FaceTracker</a> . </div><div><br></div><div>The project Is using the library OpenCV (version 3.1.0), but I need to compile FaceTracker code using OpenCV version 2.4.0. CMake provides any option that can help me with this? </div><div><br></div><div>Here is my CMakeLists.txt file:</div><div><br></div><div>cmake_minimum_required(VERSION 2.8)</div><div>project( Neuromarketing-RF )</div><div>find_package( Boost 1.58.0 REQUIRED COMPONENTS filesystem system )</div><div>include_directories( ${Boost_INCLUDE_DIRS} include src/external )</div><div>find_package( OpenCV REQUIRED )</div><div>file(GLOB FACETRACKER_HEADERS "external/FaceTracker/include/FaceTracker/*.h")</div><div>file(GLOB FACETRACKER_SRC "external/FaceTracker/src/*/*.cc")</div><div>file(GLOB SOURCES "src/*cpp")</div><div>add_executable( Neuromarketing-RF ${SOURCES} ${FACETRACKER_SRC} )</div><div>target_link_libraries( Neuromarketing-RF ${OpenCV_LIBS} ${Boost_LIBRARIES} )</div><div>target_compile_features( Neuromarketing-RF PRIVATE cxx_range_for )</div></div></div></div>