2020-12-29 21:44:15

by Song Liu

[permalink] [raw]
Subject: [PATCH v7 1/3] bpftool: add Makefile target bootstrap

This target is used to only build the bootstrap bpftool, which will be
used to generate bpf skeletons for other tools, like perf.

Signed-off-by: Song Liu <[email protected]>
---
tools/bpf/bpftool/Makefile | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index f897cb5fb12d0..e3292a3a0c461 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -148,6 +148,8 @@ VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
/boot/vmlinux-$(shell uname -r)
VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))

+bootstrap: $(BPFTOOL_BOOTSTRAP)
+
ifneq ($(VMLINUX_BTF)$(VMLINUX_H),)
ifeq ($(feature-clang-bpf-co-re),1)

--
2.24.1