CMakeLists.txt

#
# Leap Motion plugin for OSVR
#
cmake_minimum_required(VERSION 2.8.12)
project(LeapMotionPlugin)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

set(CMAKE_INCLUDE_CURRENT_DIR ON)

# This looks for an osvrConfig.cmake file - most of the time it can be
# autodetected but you might need to create/extend CMAKE_PREFIX_PATH to include something like
# C:/Users/Ryan/Desktop/build/OSVR-Core-vc12 or
# C:/Users/Ryan/Downloads/OSVR-Core-Snapshot-v0.1-406-gaa55515-build54-vs12-32bit
# in the CMake GUI or command line.
find_package(osvr REQUIRED)
find_package(LeapMotion REQUIRED)
find_package(OpenCV REQUIRED core)
find_package(Eigen3 REQUIRED)
find_package(JsonCpp REQUIRED)

# This generates a header file, from the named json file, containing a string literal
# named com_osvr_LeapMotion_json (not null terminated)
# The file must be added as a source file to some target (as below) to be generated.
osvr_convert_json(com_osvr_LeapMotion_json
	com_osvr_LeapMotion.json
	"${CMAKE_CURRENT_BINARY_DIR}/com_osvr_LeapMotion_json.h")

# Be able to find our generated header file.
include_directories("${CMAKE_CURRENT_BINARY_DIR}")

include_directories(com_osvr_LeapMotion
	${OPENCV_INCLUDE_DIR}
	${EIGEN3_INCLUDE_DIR})

# This is just a helper function wrapping CMake's add_library command that
# sets up include dirs, libraries, and naming convention (no leading "lib")
# for an OSVR plugin. It also installs the plugin into the right directory.
# Pass as many source files as you need. See osvrAddPlugin.cmake for full docs.
osvr_add_plugin(NAME com_osvr_LeapMotion
	CPP # indicates we'd like to use the C++ wrapper
	SOURCES
	Analog.cpp
	Analog.h
	Configure.cpp
	Configure.h
	com_osvr_LeapMotion.cpp
	ControllerDevice.cpp
	ControllerDevice.h
	Gestures.cpp
	Gestures.h
	HandSelector.cpp
	HandSelector.h
	HardwareDetection.cpp
	HardwareDetection.h
	Imaging.cpp
	Imaging.h
	LeapData.cpp
	LeapData.h
	Tracker.cpp
	Tracker.h
	"${CMAKE_CURRENT_BINARY_DIR}/com_osvr_LeapMotion_json.h")

# If you use other libraries, find them and add a line like:
target_link_libraries(com_osvr_LeapMotion
	LeapMotion::Leap
	JsonCpp::JsonCpp
	${OpenCV_LIBS})

# TODO: Should we also be installing the leap library, and if so, where?