On Wed, Nov 30, 2022 at 04:52:11PM -0800, Andrii Nakryiko wrote: > On Tue, Nov 29, 2022 at 5:42 AM Changbin Du <changbin.du@xxxxxxxxx> wrote: > > > > Remove the empty vmlinux.h if bpftool failed to dump btf info. > > The emptry vmlinux.h can hide real error when reading output > > typo: empty > Will be fixed, thanks. > > of make. > > > > This is done by adding .DELETE_ON_ERROR special target in related > > makefiles. > > > > Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx> > > --- > > tools/bpf/bpftool/Makefile | 3 +++ > > tools/perf/Makefile.perf | 2 ++ > > tools/testing/selftests/bpf/Makefile | 3 +++ > > 3 files changed, 8 insertions(+) > > > > diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile > > index 4a95c017ad4c..f6b1e65085db 100644 > > --- a/tools/bpf/bpftool/Makefile > > +++ b/tools/bpf/bpftool/Makefile > > @@ -265,3 +265,6 @@ FORCE: > > .PHONY: all FORCE bootstrap clean install-bin install uninstall > > .PHONY: doc doc-clean doc-install doc-uninstall > > .DEFAULT_GOAL := all > > + > > +# Delete partially updated (corrupted) files on error > > +.DELETE_ON_ERROR: > > diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf > > index a432e59afc42..265254fc641a 100644 > > --- a/tools/perf/Makefile.perf > > +++ b/tools/perf/Makefile.perf > > @@ -1149,3 +1149,5 @@ FORCE: > > .PHONY: libtraceevent_plugins archheaders > > > > endif # force_fixdep > > + > > +.DELETE_ON_ERROR: > > please split out perf changes, they should go through perf tree > sure, I'll send a standalone patch to perf tree. > > diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile > > index e6cf21fad69f..f41c4b011221 100644 > > --- a/tools/testing/selftests/bpf/Makefile > > +++ b/tools/testing/selftests/bpf/Makefile > > @@ -617,3 +617,6 @@ EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ > > liburandom_read.so) > > > > .PHONY: docs docs-clean > > + > > +# Delete partially updated (corrupted) files on error > > +.DELETE_ON_ERROR: > > -- > > 2.37.2 > > -- Cheers, Changbin Du
