dietlibc: new gcc>4.7 with -O2 or above will try to optimise some string functions, this fails with dietlib so we disable with -fno-optimize-strlen

base/dietlibc/dietlibc.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../dietlibc/dietlibc.conf
-# Copyright (C) 2007 - 2009 The OpenSDE Project
+# Copyright (C) 2007 - 2012 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2004 Clifford Wolf
 #
@@ -107,6 +107,7 @@ fi
 var_append makeopt     ' ' prefix=/$prefix
 var_append makeinstopt ' ' prefix=/$prefix
 var_append makeopt     ' ' LIBDIR=$libdir
+var_append makeopt ' ' "CFLAGS='-fno-optimize-strlen'"
 var_append makeinstopt ' ' LIBDIR=$libdir
 var_append makeinstopt ' ' BINDIR=$bindir
 var_append makeinstopt ' ' MAN1DIR=$mandir/man1