linux-kernel - [PATCH bpf-next v2] bpf: Clean up Makefile of bpf preload

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Message-Id: <20220308044339.458876-1-ytcoode@gmail.com>
Date:   Tue,  8 Mar 2022 12:43:39 +0800
From:   Yuntao Wang <ytcoode@...il.com>
To:     quentin@...valent.com
Cc:     andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
        daniel@...earbox.net, john.fastabend@...il.com, kafai@...com,
        kpsingh@...nel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, songliubraving@...com, yhs@...com,
        ytcoode@...il.com
Subject: [PATCH bpf-next v2] bpf: Clean up Makefile of bpf preload

The trailing slash in LIBBPF_SRCS is redundant, it should be removed.

But to simplify the Makefile further, we can set LIBBPF_INCLUDE to
$(srctree)/tools/lib directly, thus the LIBBPF_SRCS variable is unused
and can be removed.

Signed-off-by: Yuntao Wang <ytcoode@...il.com>
---
v1->v2: get rid of LIBBPF_SRCS

 kernel/bpf/preload/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/bpf/preload/Makefile b/kernel/bpf/preload/Makefile
index 167534e3b0b4..7284782981bf 100644
--- a/kernel/bpf/preload/Makefile
+++ b/kernel/bpf/preload/Makefile
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-LIBBPF_SRCS = $(srctree)/tools/lib/bpf/
-LIBBPF_INCLUDE = $(LIBBPF_SRCS)/..
+LIBBPF_INCLUDE = $(srctree)/tools/lib
 
 obj-$(CONFIG_BPF_PRELOAD_UMD) += bpf_preload.o
 CFLAGS_bpf_preload_kern.o += -I $(LIBBPF_INCLUDE)
-- 
2.35.1