--- /tmp/configure.ac	2006-12-18 12:14:47.000000000 +0100
+++ monotone-0.31/configure.ac	2006-12-18 12:15:58.022227000 +0100
@@ -73,7 +73,6 @@
 AC_CXX_STLPORT_HASHMAP
 AC_CXX_TR1_UNORDERED_MAP
 AC_CXX_TR1_UNORDERED_MAP_CONST_CORRECT
-AC_CXX_SYNC_WITH_STDIO_WORKS
 AC_CXX_TEMPLATE_STATIC_CONST_BUG
 
 # Checks for typedefs and structures.