Append EXTRA_CFLAGS to CFLAGS so that additional flags can be applied to
the compiler.

Signed-off-by: Leo Yan <leo.yan@arm.com>
---
 tools/bpf/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile
index fd2585af1252669c59228af3a77320e449e1a1ab..9c19e81f3c274767c3b9b94c907cbbe3ce9fe78c 100644
--- a/tools/bpf/Makefile
+++ b/tools/bpf/Makefile
@@ -11,6 +11,7 @@ INSTALL ?= install
 CFLAGS += -Wall -O2
 CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi \
 	  -I$(srctree)/tools/include
+CFLAGS += $(EXTRA_CFLAGS)
 
 # This will work when bpf is built in tools env. where srctree
 # isn't set and when invoked from selftests build, where srctree

-- 
2.34.1