Fix compilation of Python bindings when libsqlite3 is not available (and so the class SqliteDataOutput is omitted).

bindings/python/ns3modulegen.py

@@ -115,6 +115,10 @@ def main():
     if 'DISABLE_GTK_CONFIG_STORE' in os.environ:
         root_module.classes.remove(root_module['ns3::GtkConfigStore'])
 
+    # if no sqlite, the class SqliteDataOutput is disabled
+    if 'SQLITE_STATS' in os.environ:
+        root_module.classes.remove(root_module['ns3::SqliteDataOutput'])
+
     root_module.generate(out, '_ns3')
 
     out.close()

bindings/python/wscript

@@ -374,6 +374,8 @@ def build(bld):
         bindgen.os_env = dict(os.environ)
         if not env['ENABLE_GTK_CONFIG_STORE']:
             bindgen.os_env['DISABLE_GTK_CONFIG_STORE'] = "1"
+        if not env['SQLITE_STATS']:
+            bindgen.os_env['SQLITE_STATS'] = "1"
 
 
     ## we build python bindings if either we have the tools to