Sdlpp: move to cmake

sdlpp/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.10)
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+project(libsdlpp)
+
+add_library(sdlpp STATIC
+    sdlpp_circlecolider.cpp
+    sdlpp_circlerenderer.cpp
+    sdlpp_collision.cpp
+    sdlpp_common.cpp
+    sdlpp_font.cpp
+    sdlpp_linerenderer.cpp
+    sdlpp_rectcolider.cpp
+    sdlpp_rectrenderer.cpp
+    sdlpp_renderer.cpp
+    sdlpp_renderobject.cpp
+    sdlpp_scene.cpp
+    sdlpp_textrenderer.cpp
+    sdlpp_texture.cpp
+    sdlpp_window.cpp
+    sdlpp_fontconfiguration.cpp
+    sdlpp_mouse.cpp
+    )