R1 LovePara: app-server stack, on-target C dev, new NIC support

board/mentalnet/overlay/usr/include/bits/printf-ldbl.h

@@ -0,0 +1,23 @@
+/* -mlong-double-64 compatibility mode for <printf.h> functions.
+   Copyright (C) 2006-2025 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _PRINTF_H
+# error "Never include <bits/printf-ldbl.h> directly; use <printf.h> instead."
+#endif
+
+__LDBL_REDIR_DECL (printf_size)