Add support on compiling with Ninja.

CMakeLists.txt

@@ -347,8 +347,14 @@ if(MSVC)
 		BUILD_COMMAND "${MEGA_LUAJIT_SOURCE_DIR}/megabuild.bat"
 		INSTALL_COMMAND cmake -E make_directory ${CMAKE_BINARY_DIR}/bin
 			COMMAND cmake -E copy ${MEGA_LUAJIT_SOURCE_DIR}/src/lua51.dll ${CMAKE_BINARY_DIR}/bin
-			COMMAND cmake -E copy ${MEGA_LUAJIT_SOURCE_DIR}/src/lua51.lib ${CMAKE_BINARY_DIR}/bin)
-
+			COMMAND cmake -E copy ${MEGA_LUAJIT_SOURCE_DIR}/src/lua51.lib ${CMAKE_BINARY_DIR}/bin
+		BUILD_BYPRODUCTS "${CMAKE_BINARY_DIR}/bin/lua51.lib" "${CMAKE_BINARY_DIR}/bin/lua51.dll"
+	)
+	set_target_properties(luajit PROPERTIES
+		INTERFACE_INCLUDE_DIRECTORIES "MEGA_LUAJIT_INCLUDE ${MEGA_LUAJIT_SOURCE_DIR}/src"
+		IMPORTED_IMPLIB "${CMAKE_BINARY_DIR}/bin/lua51.lib"
+		IMPORTED_LOCATION "${CMAKE_BINARY_DIR}/bin/lua51.dll"
+	)
 	set(MEGA_LUAJIT_LIB ${CMAKE_BINARY_DIR}/bin/lua51.lib)
 	set(MEGA_LUAJIT_DLL ${CMAKE_BINARY_DIR}/bin/lua51.dll)
 	set(MEGA_LUAJIT_INCLUDE ${MEGA_LUAJIT_SOURCE_DIR}/src)