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From: https://github.com/xdp-project/xdp-tools/commit/cb6d06219d1b49b07980b481a383e1dea74a0702
Bug: https://bugs.gentoo.org/889842
From cb6d06219d1b49b07980b481a383e1dea74a0702 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Holger=20Hoffst=C3=A4tte?= <holger@applied-asynchrony.com>
Date: Sat, 4 Mar 2023 20:08:25 +0100
Subject: [PATCH] make: disable stack protector for BPF bits built by clang
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The clang toolchain might have stack-protection enabled by default
(e.g. via platform configuration) and that won't work for BPF,
so unconfitionally disable it via -fno-stack-protector.
Signed-off-by: Holger Hoffstätte <holger@applied-asynchrony.com>
---
lib/defines.mk | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/defines.mk b/lib/defines.mk
index f134c43b..54b259f2 100644
--- a/lib/defines.mk
+++ b/lib/defines.mk
@@ -1,5 +1,5 @@
CFLAGS ?= -O2 -g
-BPF_CFLAGS ?= -Wno-visibility
+BPF_CFLAGS ?= -Wno-visibility -fno-stack-protector
BPF_TARGET ?= bpf
HAVE_FEATURES :=
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