[PATCH 2/2] tools/bpftool: Add -Wall when building BPF programs

[Ian Rogers]

No additional warnings are generated by enabling this, but having it
enabled will help avoid regressions.

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

diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index f897cb5fb12d..45ac2f9e0aa9 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -166,7 +166,7 @@ $(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h 
$(LIBBPF)
                -I$(srctree)/tools/include/uapi/ \
                -I$(LIBBPF_PATH) \
                -I$(srctree)/tools/lib \
-               -g -O2 -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
+               -g -O2 -Wall -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
 
 $(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP)
        $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@
-- 
2.30.0.284.gd98b1dd5eaa7-goog