Add Nintendo Switch initial support

CMakeLists.txt

@@ -12,6 +12,10 @@ message(STATUS "Building ${CMAKE_PROJECT_NAME} GIT SHA1: ${GIT_SHA1}")
 
 if(WIN32)
     set(${PROJECT}_AUDIOS "OAL" "MSS")
+elseif(NINTENDO_SWITCH)
+    list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/nx")
+    include(NXFunctions)
+    set(${PROJECT}_AUDIOS "OAL")
 else()
     set(${PROJECT}_AUDIOS "OAL")
 endif()
@@ -66,6 +70,8 @@ if(${PROJECT}_INSTALL)
             set(os "-apple")
         elseif(UNIX)
             set(os "-linux")
+        elseif(NINTENDO_SWITCH)
+            set(os "-switch")
         else()
             set(compiler "-UNK")
             message(WARNING "Unknown os. Created cpack package will be wrong. (override using cpack -P)")