netdev - [PATCH bpf-next v2 2/3] libbpf: Add "libbpversion" make target to print version

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Message-Id: <20220208120648.49169-3-quentin@isovalent.com>
Date:   Tue,  8 Feb 2022 12:06:47 +0000
From:   Quentin Monnet <quentin@...valent.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        Quentin Monnet <quentin@...valent.com>
Subject: [PATCH bpf-next v2 2/3] libbpf: Add "libbpversion" make target to print version

Add a target to libbpf's Makefile to print its version number, in a
similar way to what running "make kernelversion" at the root of the
repository does.

This is to avoid re-implementing the parsing of the libbpf.map file in
case some other tools want to extract the version of the libbpf sources
they are using.

Signed-off-by: Quentin Monnet <quentin@...valent.com>
---
 tools/lib/bpf/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index b8b37fe76006..91136623edf9 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -108,6 +108,9 @@ MAKEOVERRIDES=
 
 all:
 
+libbpfversion:
+	@echo $(LIBBPF_VERSION)
+
 export srctree OUTPUT CC LD CFLAGS V
 include $(srctree)/tools/build/Makefile.include
 
-- 
2.32.0