How to compile Dlib(C++) on Linux Back

i. the first step is to download .zip files of Dlib here(dlib 18.18).

ii. unzip the file you downloaded just now and place it wherever you want, which is a new lib in the same directory of the cpp source for me.

  • detectFace
    • lib
      • dlib
    • detectFace.cpp
    • CMakeLists.txt

iii. then you can create your CMakeLists.txt

# This is a CMake makefile.  You can find the cmake utility and
# information about it at

cmake_minimum_required(VERSION 2.8.4)


if (OpenCV_FOUND)

    ADD_EXECUTABLE(detectFace detectFace.cpp)
    TARGET_LINK_LIBRARIES(detectFace dlib ${OpenCV_LIBS} )
else ()
    # Tell CMake to compile a program.  We do this with the ADD_EXECUTABLE()
    # statement which takes the name of the output executable and then a list of
    # .cpp files to compile.  Here each example consists of only one .cpp file but
    # in general you will make programs that const of many .cpp files.
    ADD_EXECUTABLE(detectFace detectFace.cpp)
    # Then we tell it to link with dlib.
    TARGET_LINK_LIBRARIES(detectFace dlib)
endif ()

endif ()

iv. Running after as follow(this will take a while):

cmake .

Notice: when you compile dlib on Linux, you may meet the problem that some types not found, and you should add dlib:: before them.

v. Finally, you'll get the structure like this:

  • detectFace
    • bin
      • detectFace
    • dlib_build
    • detectFace.cpp
    • lib
    • CMakeCache.txt
    • CMakeLists.txt
    • Makefile
    • cmake_install.cmake
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