package/newlib-bare-metal/0001-libgloss-microblaze-fix-read-and-_write-declarati.patch

From 1ebecb83607e9c0cc44ad1e518169ae03c0f2d26 Mon Sep 17 00:00:00 2001
From: Neal Frager <neal.frager@amd.com>
Date: Mon, 13 May 2024 07:22:47 +0100
Subject: [PATCH] libgloss: microblaze: fix read and _write declarations

This patch resolves the following build error which occurs with gcc 14.1.0:
../../.././libgloss/microblaze/linux-outbyte.c: In function 'outbyte':
../../.././libgloss/microblaze/linux-outbyte.c:3:9: error: implicit declaration of function '_write' [-Wimplicit-function-declaration]
    3 |         _write(1, &c, 1);

Signed-off-by: Neal Frager <neal.frager@amd.com>
Upstream: https://patchwork.sourceware.org/project/newlib/patch/20240513062419.2042278-1-neal.frager@amd.com/
---
 libgloss/microblaze/linux-inbyte.c  | 2 ++
 libgloss/microblaze/linux-outbyte.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/libgloss/microblaze/linux-inbyte.c b/libgloss/microblaze/linux-inbyte.c
index 58fdf1957..2f8d33871 100644
--- a/libgloss/microblaze/linux-inbyte.c
+++ b/libgloss/microblaze/linux-inbyte.c
@@ -1,3 +1,5 @@
+extern int read (int, char *, int);
+
 int inbyte(void)
 {
 	char ch = 0;
diff --git a/libgloss/microblaze/linux-outbyte.c b/libgloss/microblaze/linux-outbyte.c
index 9d7bc4890..46de511f6 100644
--- a/libgloss/microblaze/linux-outbyte.c
+++ b/libgloss/microblaze/linux-outbyte.c
@@ -1,3 +1,5 @@
+extern int _write (int, char *, int);
+
 void outbyte (unsigned char c)
 {
 	_write(1, &c, 1);
-- 
2.25.1