diff --git a/wscript b/wscript
index 249cee3e7c..f0b632acf5 100644
--- a/wscript
+++ b/wscript
@@ -86,6 +86,10 @@ BOARDS = {
             'CONFIG_HAL_BOARD_SUBTYPE=HAL_BOARD_SUBTYPE_NONE',
         ],
 
+        CXXFLAGS=[
+            '-O3'
+        ],
+
         LIB=[
             'm',
             'pthread',
@@ -103,6 +107,10 @@ BOARDS = {
             'CONFIG_HAL_BOARD_SUBTYPE=HAL_BOARD_SUBTYPE_LINUX_NONE',
         ],
 
+        CXXFLAGS=[
+            '-O3'
+        ],
+
         LIB=[
             'm',
             'pthread',
@@ -120,6 +128,10 @@ BOARDS = {
             'CONFIG_HAL_BOARD_SUBTYPE=HAL_BOARD_SUBTYPE_LINUX_MINLURE',
         ],
 
+        CXXFLAGS=[
+            '-O3'
+        ],
+
         LIB=[
             'm',
             'pthread',