Return of the ASAN option

CMakeLists.txt

@@ -30,6 +30,7 @@ endif()
 
 if(UNIX AND NOT APPLE)
     option(USE_XRANDR "Use xrandr instead of vidmode" ON)
+    option(USE_ASAN   "Build with Leak/Address sanitizer" OFF)
 endif()
 
 set(STK_SOURCE_DIR "src")
@@ -254,6 +255,11 @@ if(UNIX AND NOT APPLE)
     else()
         target_link_libraries(supertuxkart ${IRRLICHT_XF86VM_LIBRARY})
     endif()
+    if(USE_ASAN)
+        add_definitions("-fsanitize=address")
+        add_definitions("-fno-omit-frame-pointer")
+        target_link_libraries(supertuxkart "-fsanitize=address")
+    endif()
 endif()
 
 if(APPLE)