Add support for cmake 2.8.

evmjit/CMakeLists.txt

@@ -1,7 +1,15 @@
-cmake_minimum_required(VERSION 3.0)
-cmake_policy(SET CMP0048 NEW) 		# allow VERSION argument in project()
+cmake_minimum_required(VERSION 2.8.12)
 
-project(EVMJIT VERSION 0.9.0 LANGUAGES CXX)
+if (${CMAKE_VERSION} VERSION_GREATER 3.0)
+	cmake_policy(SET CMP0048 NEW) 	# allow VERSION argument in project()
+	project(EVMJIT VERSION 0.9.0 LANGUAGES CXX)
+else()
+	project(EVMJIT)
+	set(EVMJIT_VERSION "0.9.0")
+	set(EVMJIT_VERSION_MAJOR 0)
+	set(EVMJIT_VERSION_MINOR 9)
+	set(EVMJIT_VERSION_PATCH 0)
+endif()
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 set(CMAKE_AUTOMOC OFF)