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This patch is needed for building newlib with gcc 14.1.0. Without this patch,
the following build error will occur:
../../.././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);
This patch has been submitted upstream:
https://patchwork.sourceware.org/project/newlib/patch/20240513062419.2042278-1-neal.frager@amd.com/
Signed-off-by: Neal Frager <neal.frager@amd.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
From 1ebecb83607e9c0cc44ad1e518169ae03c0f2d26 Mon Sep 17 00:00:00 2001
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From: Neal Frager <neal.frager@amd.com>
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Date: Mon, 13 May 2024 07:22:47 +0100
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Subject: [PATCH] libgloss: microblaze: fix read and _write declarations
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This patch resolves the following build error which occurs with gcc 14.1.0:
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../../.././libgloss/microblaze/linux-outbyte.c: In function 'outbyte':
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../../.././libgloss/microblaze/linux-outbyte.c:3:9: error: implicit declaration of function '_write' [-Wimplicit-function-declaration]
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3 | _write(1, &c, 1);
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Signed-off-by: Neal Frager <neal.frager@amd.com>
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Upstream: https://patchwork.sourceware.org/project/newlib/patch/20240513062419.2042278-1-neal.frager@amd.com/
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---
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libgloss/microblaze/linux-inbyte.c | 2 ++
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libgloss/microblaze/linux-outbyte.c | 2 ++
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2 files changed, 4 insertions(+)
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diff --git a/libgloss/microblaze/linux-inbyte.c b/libgloss/microblaze/linux-inbyte.c
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index 58fdf1957..2f8d33871 100644
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--- a/libgloss/microblaze/linux-inbyte.c
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+++ b/libgloss/microblaze/linux-inbyte.c
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@@ -1,3 +1,5 @@
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+extern int read (int, char *, int);
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+
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int inbyte(void)
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{
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char ch = 0;
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diff --git a/libgloss/microblaze/linux-outbyte.c b/libgloss/microblaze/linux-outbyte.c
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index 9d7bc4890..46de511f6 100644
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--- a/libgloss/microblaze/linux-outbyte.c
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+++ b/libgloss/microblaze/linux-outbyte.c
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@@ -1,3 +1,5 @@
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+extern int _write (int, char *, int);
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+
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void outbyte (unsigned char c)
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{
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_write(1, &c, 1);
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--
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2.25.1
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