[cmake] provide default project version

each subproject inherits the project version of the top level project

client/iOS/CMakeLists.txt

@@ -14,7 +14,18 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-project(iFreeRDP)
+
+cmake_minimum_required(VERSION 3.13)
+
+if (NOT FREERDP_DEFAULT_PROJECT_VERSION)
+	set(FREERDP_DEFAULT_PROJECT_VERSION "1.0.0.0")
+endif()
+
+project(iFreeRDP
+	VERSION ${FREERDP_DEFAULT_PROJECT_VERSION}
+)
+
+message("project ${PROJECT_NAME} is using version ${PROJECT_VERSION}")
 
 if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE "Release" CACHE STRING "project default" FORCE)