--- common.opt.orig	2008-07-13 16:33:36.000000000 -0600
+++ common.opt	2009-07-21 20:48:25.000000000 -0600
@@ -997,9 +997,15 @@
 Common Report Var(flag_strict_overflow)
 Treat signed overflow as undefined
 
-fsyntax-only
+;fsyntax-only
+;Common Report Var(flag_syntax_only)
+;Check for syntax errors, then stop
+
+; This is basically just an alias for -fsyntax_only, in practice
+fffigen
 Common Report Var(flag_syntax_only)
-Check for syntax errors, then stop
+Generate .ffi output
+
 
 ftest-coverage
 Common Report Var(flag_test_coverage)