diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3489859..e8456c2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,12 @@ set( PROJECT_MAINTAINER "Henrik Hautakoski <henrik@eossweden.org>")
 
 set( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_LIST_DIR}/cmake" )
 
+# --------------------------------
+#  Options
+# --------------------------------
+
+option(WITH_BENCHMARK "If tests are enabled (BUILD_TESTING variable), also build benchmark tree." OFF)
+
 # --------------------------------
 #  Compiler
 # --------------------------------