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Subject[PATCH 2/3] perf tool: Enable warnings when compiling BPF programs
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Add -Wall -Werror when compiling BPF skeletons.

Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/Makefile.perf | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 5345ac70cd83..f43d2551f3de 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -1029,7 +1029,7 @@ $(BPFTOOL): | $(SKEL_TMP_OUT)
OUTPUT=$(SKEL_TMP_OUT)/ bootstrap

$(SKEL_TMP_OUT)/%.bpf.o: util/bpf_skel/%.bpf.c $(LIBBPF) | $(SKEL_TMP_OUT)
- $(QUIET_CLANG)$(CLANG) -g -O2 -target bpf $(BPF_INCLUDE) \
+ $(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -Wall -Werror $(BPF_INCLUDE) \
-c $(filter util/bpf_skel/%.bpf.c,$^) -o $@ && $(LLVM_STRIP) -g $@

$(SKEL_OUT)/%.skel.h: $(SKEL_TMP_OUT)/%.bpf.o | $(BPFTOOL)
--
2.30.1.766.gb4fecdf3b7-goog
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