For some reason compiler doesn't complain about uninitialized variable, fixed in previous patch, if libbpf is compiled without -O2 optimization level. So do compile it with -O2 and never let similar issue slip by again. -Wall is added unconditionally, so no need to specify it again. Signed-off-by: Andrii Nakryiko <andriin@xxxxxx> --- tools/lib/bpf/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index f43249696d9f..70cb44efe8cb 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -98,7 +98,7 @@ PC_FILE = libbpf.pc ifdef EXTRA_CFLAGS CFLAGS := $(EXTRA_CFLAGS) else - CFLAGS := -g -Wall + CFLAGS := -g -O2 endif # Append required CFLAGS -- 2.24.1