Make cmake work on windows

sdlpp/CMakeLists.txt

@@ -5,7 +5,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 project(libsdlpp)
 
-add_library(sdlpp STATIC
+list(APPEND SDLPPFiles
     sdlpp_circlecolider.cpp
     sdlpp_circlerenderer.cpp
     sdlpp_collision.cpp
@@ -23,3 +23,24 @@ add_library(sdlpp STATIC
     sdlpp_fontconfiguration.cpp
     sdlpp_mouse.cpp
     )
+
+if(WIN32)
+	add_library(sdlpp SHARED
+		${SDLPPFiles}
+	    )
+	add_library(SDL2 STATIC IMPORTED)
+	set_target_properties(SDL2 PROPERTIES
+		IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/SDL2.lib)
+	add_library(SDL2_ttf STATIC IMPORTED)
+	set_target_properties(SDL2_ttf PROPERTIES
+		IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/SDL2_ttf.lib)
+	add_library(SDL2_image STATIC IMPORTED)
+	set_target_properties(SDL2_image PROPERTIES
+		IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/SDL2_image.lib)
+	target_link_libraries(sdlpp SDL2 SDL2_ttf SDL2_image)
+	target_compile_definitions(sdlpp PUBLIC DLLEXPORT)
+else()
+	add_library(sdlpp STATIC
+		${SDLPPFiles}
+	    )
+endif()