improve libfreenect2 (#330)

* Add libfreenect2

* Try to fix macOS build

* Fix macosx

* libfreenect2: Fix macosx frameworks

* Add some more frameworks

* libfreenect2: Try to add framework IOKit

* libfreenect2: Add VideoToolbox on macosx

* Update libfreenect2 xmake

* improve libfreenect2

Co-authored-by: Jérôme Leclercq <lynix680@gmail.com>

packages/l/libfreenect2/patches/0.2.0/frame_listener_impl.cpp.patch

@@ -0,0 +1,12 @@
+diff --git a/src/frame_listener_impl.cpp b/src/frame_listener_impl.cpp
+index f4f8a97..34b1da8 100644
+--- a/src/frame_listener_impl.cpp
++++ b/src/frame_listener_impl.cpp
+@@ -28,6 +28,7 @@
+ 
+ #include <libfreenect2/frame_listener_impl.h>
+ #include <libfreenect2/threading.h>
++#include <functional>
+ 
+ namespace libfreenect2
+ {

packages/l/libfreenect2/xmake.lua

@@ -0,0 +1,76 @@
+package("libfreenect2")
+    set_homepage("https://github.com/OpenKinect/libfreenect2")
+    set_description("Open source drivers for the Kinect for Windows v2 device")
+    set_license("GPL-2.0")
+
+    add_urls("https://github.com/OpenKinect/libfreenect2/archive/$(version).tar.gz",
+             "https://github.com/OpenKinect/libfreenect2.git")
+
+    add_versions("v0.2.0", "344019f4360d3858f4c5843e215b0b9d0c0d396a2ebe5cb1953c262df4d9ff54")
+
+    add_patches("v0.2.0", path.join(os.scriptdir(), "patches", "0.2.0", "frame_listener_impl.cpp.patch"), "47687b34fd0ca275d3e1c2ce87064ffaacd13f2f8d3a310224d3b9fef2cd54a3")
+
+    add_configs("cuda",     { description = "Enable CUDA support.", default = false, type = "boolean"})
+    add_configs("opengl",   { description = "Enable OpenGL support.", default = true, type = "boolean"})
+    add_configs("opencl",   { description = "Enable OpenCL support.", default = true, type = "boolean"})
+
+    add_deps("cmake", "libjpeg-turbo", "libusb")
+
+    if is_plat("linux") then
+        add_syslinks("pthread")
+    elseif is_plat("macosx") then
+        add_frameworks("CoreMedia", "CoreFoundation", "CoreVideo", "Foundation", "IOKit", "ImageIO", "VideoToolbox")
+    end
+
+    on_load(function (package)
+        if package:config("opengl") then
+            if package:is_plat("macosx") then
+                package:add("deps", "glfw")
+                package:add("frameworks", "OpenGL")
+            end
+        end
+        if package:config("opencl") then
+            if package:is_plat("macosx") then
+                package:add("frameworks", "OpenCL")
+            end
+        end
+    end)
+
+    on_install("windows", "linux", "macosx", function (package)
+        io.replace("CMakeLists.txt", "FIND_PACKAGE(LibUSB REQUIRED)", "", {plain = true})
+
+        local configs = {}
+        table.insert(configs, "-DBUILD_EXAMPLES=OFF")
+        table.insert(configs, "-DENABLE_CXX11=ON")
+        table.insert(configs, "-DENABLE_CUDA=" .. (package:config("cuda") and "ON" or "OFF"))
+        table.insert(configs, "-DENABLE_OPENGL=" .. (package:config("opengl") and "ON" or "OFF"))
+        table.insert(configs, "-DENABLE_OPENCL=" .. (package:config("opencl") and "ON" or "OFF"))
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
+
+        if package:config("pic") ~= false then
+            table.insert(configs, "-DCMAKE_POSITION_INDEPENDENT_CODE=ON")
+        end
+
+        local libjpegturbo = package:dep("libjpeg-turbo"):fetch()
+        if libjpegturbo then
+            table.insert(configs, "-DTurboJPEG_INCLUDE_DIRS=" .. table.concat(libjpegturbo.includedirs or libjpegturbo.sysincludedirs, ";"))
+            table.insert(configs, "-DTurboJPEG_LIBRARIES=" .. table.concat(libjpegturbo.libfiles, ";"))
+        end
+
+        local shflags
+        if package:is_plat("macosx") then
+            shflags = "-framework IOKit"
+        end
+
+        import("package.tools.cmake").install(package, configs, {packagedeps = "libusb", shflags = shflags})
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            void test() {
+                libfreenect2::Freenect2 fn2;
+                fn2.enumerateDevices();
+            }
+        ]]}, {configs = {languages = "c++11"}, includes = "libfreenect2/libfreenect2.hpp"}))
+    end)