CMakeLists.txt

cmake_minimum_required(VERSION 3.9)

project(OpenFaceWrapper VERSION 0.5 DESCRIPTION "OpenFace wrapper")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")

if(NOT OPENFACE_DIR)
	set(OPENFACE_DIR CACHE STRING "OpenFace repo location." FORCE)
	set_property(CACHE OPENFACE_DIR PROPERTY VALUE)
	message(FATAL_ERROR "OpenFace repository location not found, please set OPENFACE_DIR var.")
endif()

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${OPENFACE_DIR}/cmake/modules/")

find_package(OpenBLAS REQUIRED)
if ( ${OpenBLAS_FOUND} )
    MESSAGE("OpenBLAS information:")
    MESSAGE("  OpenBLAS_LIBRARIES: ${OpenBLAS_LIB}")
else()
    MESSAGE(FATAL_ERROR "OpenBLAS not found in the system.")
endif()

if ( ${OpenBLAS_INCLUDE_FOUND} )
    MESSAGE("  OpenBLAS_INCLUDE: ${OpenBLAS_INCLUDE_DIR}")
else()
    MESSAGE(WARNING "OpenBLAS include not found in the system. Using the one vended with OpenFace.")
	set(OpenBLAS_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/lib/3rdParty/OpenBLAS/include")
    MESSAGE("  OpenBLAS_INCLUDE: ${OpenBLAS_INCLUDE_DIR}")
endif()

find_package( OpenCV 4.1 REQUIRED COMPONENTS core imgproc calib3d highgui objdetect)
if(${OpenCV_FOUND})
	MESSAGE("OpenCV information:") 
	MESSAGE("  OpenCV_INCLUDE_DIRS: ${OpenCV_INCLUDE_DIRS}")
	MESSAGE("  OpenCV_LIBRARIES: ${OpenCV_LIBRARIES}")
	MESSAGE("  OpenCV_LIBRARY_DIRS: ${OpenCV_LINK_DIRECTORIES}")
else()
    MESSAGE(FATAL_ERROR "OpenCV not found in the system.")
endif()

find_package( Boost 1.5.9 COMPONENTS filesystem system)
if(${Boost_FOUND})
	MESSAGE("Boost information:") 
	MESSAGE("  Boost_VERSION: ${Boost_VERSION}")
	MESSAGE("  Boost_INCLUDE_DIRS: ${Boost_INCLUDE_DIRS}")
	MESSAGE("  Boost_LIBRARIES: ${Boost_LIBRARIES}")
	MESSAGE("  Boost_LIBRARY_DIRS: ${Boost_LIBRARY_DIRS}")
else()
    MESSAGE("Boost not found in the system.")
endif()

add_subdirectory(${OPENFACE_DIR} build)

add_library(OpenFaceWrapper SHARED
	OpenFaceDLL.cpp
	OpenFaceWrapper.cpp)

set_target_properties(OpenFaceWrapper PROPERTIES
	CXX_STANDARD 17
	CXX_STANDARD_REQUIRED YES
	PUBLIC_HEADER OpenFaceDLL.h)

target_link_libraries(OpenFaceWrapper PUBLIC OpenFace::LandmarkDetector OpenFace::FaceAnalyser)