build: require CMake >= 3.10 due to dropped legacy support

CMake version 4.0 and later require minimum version of 3.5 or later.
Update to minimum version 3.10 which is the last not deprecated minimum
version.

CMake 3.10 was released in November 2017 and is included in Ubuntu 18.04.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e960ab5f5eed5ca822749db378683b32ee24ae8..a737fd0d4fe3d6d654de593c753e5923c3e35500 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.10)
 
 PROJECT(relayd C)
 ADD_DEFINITIONS(-Os -Wall -Werror --std=gnu99 -g3)