Remove the empty vmlinux.h if bpftool failed to dump btf info. The emptry vmlinux.h can hide real error when reading output 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: 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
