Set minimum CMAKE version for tests

Signed-off-by: DL6ER <dl6er@dl6er.de>

examples/linux_ws_server_cpp/CMakeLists.txt

@@ -1,4 +1,6 @@
 cmake_minimum_required(VERSION 3.10)
+cmake_policy(VERSION 3.10)
+
 project(linux_ws_server)
 
 set(TARGET_NAME ${PROJECT_NAME})

src/CMakeLists.txt

@@ -1,3 +1,6 @@
+cmake_minimum_required(VERSION 3.10)
+cmake_policy(VERSION 3.10)
+
 # The C API library
 set( LIB_TYPE "STATIC" )
 if (BUILD_SHARED_LIBS)

unittest/CMakeLists.txt

@@ -1,3 +1,6 @@
+cmake_minimum_required(VERSION 3.10)
+cmake_policy(VERSION 3.10)
+
 # Determine if we should print to the output
 if (CIVETWEB_ENABLE_THIRD_PARTY_OUTPUT)
   set(THIRD_PARTY_LOGGING 0)
@@ -30,6 +33,7 @@ DOWNLOAD_NAME "master.zip"
     "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}"
     "-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}"
     "-DCMAKE_INSTALL_PREFIX=<INSTALL_DIR>"
+    "-DCMAKE_POLICY_VERSION_MINIMUM=3.5"
   LOG_DOWNLOAD ${THIRD_PARTY_LOGGING}
   LOG_UPDATE ${THIRD_PARTY_LOGGING}
   LOG_CONFIGURE ${THIRD_PARTY_LOGGING}