Index: b/wscript
===================================================================
--- a/wscript
+++ b/wscript
@@ -315,6 +315,7 @@ def configure(conf):
 
     flags.disable_c_warning('format-extra-args')
     flags.disable_c_warning('format-zero-length')
+    flags.disable_c_warning('deprecated-declarations')
 
     flags.enable_feature('diagnostics-show-option')