Commit ba2fd563 authored by Tony Ambardar's avatar Tony Ambardar Committed by Daniel Borkmann

tools/bpftool: Support passing BPFTOOL_VERSION to make

This change facilitates out-of-tree builds, packaging, and versioning for
test and debug purposes. Defining BPFTOOL_VERSION allows self-contained
builds within the tools tree, since it avoids use of the 'kernelversion'
target in the top-level makefile, which would otherwise pull in several
other includes from outside the tools tree.
Signed-off-by: default avatarTony Ambardar <Tony.Ambardar@gmail.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Acked-by: default avatarQuentin Monnet <quentin@isovalent.com>
Acked-by: default avatarSong Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20200917115833.1235518-1-Tony.Ambardar@gmail.com
parent 642e450b
...@@ -25,7 +25,7 @@ endif ...@@ -25,7 +25,7 @@ endif
LIBBPF = $(LIBBPF_PATH)libbpf.a LIBBPF = $(LIBBPF_PATH)libbpf.a
BPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion) BPFTOOL_VERSION ?= $(shell make -rR --no-print-directory -sC ../../.. kernelversion)
$(LIBBPF): FORCE $(LIBBPF): FORCE
$(if $(LIBBPF_OUTPUT),@mkdir -p $(LIBBPF_OUTPUT)) $(if $(LIBBPF_OUTPUT),@mkdir -p $(LIBBPF_OUTPUT))
......
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