1 files changed, 1 insertions, 1 deletions

diff --git a/build.xml b/build.xml
index 65bd8ff35..890c9c3e3 100644
--- a/build.xml
+++ b/build.xml
@@ -352,7 +352,7 @@
             <file name="extension/param"/>
         </excludeinc>
         <flags>
-            <!-- -std=gnu++0x -->
+            <!-- -std=gnu++0x -DCPP11  -->
             -Wall -Wformat -Werror=format-security -W -Wpointer-arith -Wcast-align -Wsign-compare -Woverloaded-virtual -Wswitch
             -Werror=return-type
             -O2