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Date:   Wed, 20 Dec 2017 20:19:43 +0000
From:   Roman Gushchin <>
To:     <>
CC:     <>, <>,
        <>, Roman Gushchin <>,
        Jakub Kicinski <>,
        Alexei Starovoitov <>,
        Daniel Borkmann <>
Subject: [RFC PATCH net-next] tools/bpftool: use version from the kernel source tree

Bpftool determines it's own version based on the kernel
version, which is picked from the linux/version.h header.

It's strange to use the version of the installed kernel
headers, and makes much more sense to use the version
of the actual source tree, where bpftool sources are.

This patch adds $(srctree)/usr/include to the list
of include files, which causes bpftool to use the version
from the source tree.


$ bpftool version
bpftool v4.14.6

$ bpftool version
bpftool v4.15.0

Signed-off-by: Roman Gushchin <>
Cc: Jakub Kicinski <>
Cc: Alexei Starovoitov <>
Cc: Daniel Borkmann <>
 tools/bpf/bpftool/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index 9c089cfa5f3f..6864d416c49e 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -37,7 +37,9 @@ CC = gcc
 CFLAGS += -O2
 CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow
-CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi -I$(srctree)/tools/include -I$(srctree)/tools/lib/bpf -I$(srctree)/kernel/bpf/
+CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi
+CFLAGS += -I$(srctree)/tools/include -I$(srctree)/tools/lib/bpf
+CFLAGS += -I$(srctree)/kernel/bpf/ -I$(srctree)/usr/include
 LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
 INSTALL ?= install

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