--- a/libbpf/src/Makefile
+++ b/libbpf/src/Makefile
-@@ -25,6 +25,7 @@ ALL_CFLAGS := $(INCLUDES)
+@@ -34,6 +34,7 @@ ALL_CFLAGS := $(INCLUDES)
SHARED_CFLAGS += -fPIC -fvisibility=hidden -DSHARED
+CFLAGS = $(EXTRA_CFLAGS)
CFLAGS ?= -g -O2 -Werror -Wall -std=gnu89
- ALL_CFLAGS += $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
- ALL_LDFLAGS += $(LDFLAGS)
+ ALL_CFLAGS += $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 $(EXTRA_CFLAGS)
+ ALL_LDFLAGS += $(LDFLAGS) $(EXTRA_LDFLAGS)