diff -durN gcc-4.2.1.orig/libstdc++-v3/include/c_std/std_cstdio.h gcc-4.2.1/libstdc++-v3/include/c_std/std_cstdio.h
--- gcc-4.2.1.orig/libstdc++-v3/include/c_std/std_cstdio.h	2006-12-07 10:33:51.000000000 +0100
+++ gcc-4.2.1/libstdc++-v3/include/c_std/std_cstdio.h	2007-08-03 20:33:24.000000000 +0200
@@ -144,7 +144,7 @@
 
 _GLIBCXX_END_NAMESPACE
 
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99 || defined(__UCLIBC__)
 
 #undef snprintf
 #undef vfscanf
