On Fri, 2020-08-14 at 08:43 -0700, Yonghong Song wrote: [...] > I tried the following > > --- a/tools/bpf/bpftool/Makefile > +++ b/tools/bpf/bpftool/Makefile > @@ -25,7 +25,7 @@ endif > > LIBBPF = $(LIBBPF_PATH)libbpf.a > > -BPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. > kernelversion) > +BPFTOOL_VERSION := $(shell MAKEFLAGS=w make -rR --no-print-directory > -sC ../../.. kernelversion) > > -bash-4.4$ ./bpftool version > ./bpftool v5.8.0 > > I set env variable MAKEFLAGS=w, and build bpftool it works fine too. > Maybe I miss something or debian changed top level Makefile? Yes, but we don't change MAKEFLAGS or any of the logic around quietness or verbosity. I assume there are other factors involved, as I've also been unable to construct a simple reproducer. Ben. > I am testing against latest bpf tree. > > > > > $(LIBBPF): FORCE > > $(if $(LIBBPF_OUTPUT),@mkdir -p $(LIBBPF_OUTPUT)) > > -- Ben Hutchings - Debian developer, member of kernel, installer and LTS teams
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