diff --git a/src/mesa/SConscript b/src/mesa/SConscript
index e375de6..9398ddb 100644
--- a/src/mesa/SConscript
+++ b/src/mesa/SConscript
@@ -118,6 +118,22 @@
         env.Prepend(CPPPATH = [matypes[0].dir])
 
 
+# The marshal_generated.c file is generated from the GL/ES API.xml file
+env.CodeGenerate(
+    target = 'main/marshal_generated.c',
+    script = GLAPI + 'gen/gl_marshal.py',
+    source = GLAPI + 'gen/gl_and_es_API.xml',
+    command = python_cmd + ' $SCRIPT -f $SOURCE > $TARGET'
+    )
+
+# The marshal_generated.h file is generated from the GL/ES API.xml file
+env.CodeGenerate(
+    target = 'main/marshal_generated.h',
+    script = GLAPI + 'gen/gl_marshal_h.py',
+    source = GLAPI + 'gen/gl_and_es_API.xml',
+    command = python_cmd + ' $SCRIPT -f $SOURCE > $TARGET'
+    )
+
 #
 # Libraries
 #