diff --git a/AMBuildScript b/AMBuildScript
index df3a2ab6..a4fb59c3 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -251,7 +251,8 @@ class AMXXConfig(object):
     ]
 
     if builder.options.opt == '1':
-      cxx.cflags += ['-O2']
+      cxx.cflags += ['-O2', '-flto']
+      cxx.linkflags += ['-O2', '-flto']
 
   def configure_msvc(self, cxx):
     if builder.options.debug == '1':