diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index d42b495b099278cc7a96b4dc0945d56c38c06287..6c7468eb3684494b46a248fcef39a1e451fd6856 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -189,4 +189,5 @@ $(obj)/%.o: $(src)/%.c
 		-Wno-compare-distinct-pointer-types \
 		-Wno-gnu-variable-sized-type-not-at-end \
 		-Wno-address-of-packed-member -Wno-tautological-compare \
+		-Wno-unknown-warning-option \
 		-O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@
diff --git a/samples/bpf/cookie_uid_helper_example.c b/samples/bpf/cookie_uid_helper_example.c
index ad5afedf2e7047db24db8565e0a433122e479912..9ce55840d61d222ec2c9881be9a108c7b630dba0 100644
--- a/samples/bpf/cookie_uid_helper_example.c
+++ b/samples/bpf/cookie_uid_helper_example.c
@@ -273,7 +273,7 @@ static int usage(void)
 	return 1;
 }
 
-void finish(int ret)
+static void finish(int ret)
 {
 	test_finish = true;
 }
diff --git a/samples/bpf/test_lru_dist.c b/samples/bpf/test_lru_dist.c
index d96dc88d3b04067135fe80c95628fca37a29c022..73c35714226842b248027b214989e56570e4378f 100644
--- a/samples/bpf/test_lru_dist.c
+++ b/samples/bpf/test_lru_dist.c
@@ -25,7 +25,9 @@
 #include "bpf_util.h"
 
 #define min(a, b) ((a) < (b) ? (a) : (b))
-#define offsetof(TYPE, MEMBER)	((size_t)&((TYPE *)0)->MEMBER)
+#ifndef offsetof
+# define offsetof(TYPE, MEMBER)	((size_t)&((TYPE *)0)->MEMBER)
+#endif
 #define container_of(ptr, type, member) ({			\
 	const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
 	(type *)( (char *)__mptr - offsetof(type,member) );})