Check LLVM version manually.

evmjit/CMakeLists.txt

@@ -26,7 +26,10 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" AND NOT LLVM_DIR)
 	link_directories(/usr/lib/llvm-3.7/lib)
 else()
 	find_package(LLVM REQUIRED CONFIG)
-	message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
+	if (${LLVM_VERSION} VERSION_LESS 3.7)
+		message(FATAL_ERROR "Incompatible LLVM version ${LLVM_VERSION}")
+	endif()
+	message(STATUS "Found LLVM ${LLVM_VERSION}")
 	message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
 	add_definitions(${LLVM_DEFINITIONS})
 	llvm_map_components_to_libnames(LLVM_LIBS core support mcjit x86asmparser x86codegen ipo)