[PATCH 0/2] bpftool: improve error handing for missing .BTF section

Changbin Du (2): libbpf: show more info about missing ".BTF" section makefiles: do not generate empty vmlinux.h

samples/bpf/Makefile | 2 +- tools/bpf/bpftool/Makefile | 2 +- tools/bpf/runqslower/Makefile | 2 +- tools/lib/bpf/btf.c | 12 ++++++++++++ tools/perf/Makefile.perf | 2 +- tools/testing/selftests/bpf/Makefile | 2 +- 6 files changed, 17 insertions(+), 5 deletions(-)