diff -r 000000000000 -r 6474c204b198 build/unix/headers/bits/c++config.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build/unix/headers/bits/c++config.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,2 @@
+#include_next <bits/c++config.h>
+#undef _GLIBCXX_USE_FLOAT128