--- a/CMakeLists.txt
+++ a/CMakeLists.txt
@@ -1,5 +1,5 @@
 # CMake project file by Prakash Punnoor
-CMAKE_MINIMUM_REQUIRED(VERSION 2.4)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.10)
 
 SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/CMakeModules")
 Project(Aften C)
@@ -76,7 +76,7 @@
 
 
 IF(CMAKE_UNAME)
-  EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_SYSTEM_MACHINE)
+  execute_process(COMMAND uname -m OUTPUT_VARIABLE CMAKE_SYSTEM_MACHINE)
 ELSE(CMAKE_UNAME)
   MESSAGE("Could not detect machine type")
   IF(CMAKE_SYSTEM MATCHES "Windows")