From: "naveenkumar.nagaraj" <naveenkumar.nagaraj@timesys.com>
Subject: NO_PERF-condition
diff --git a/Makefile b/Makefile
index 74d8d92..5a54752 100644
--- a/Makefile
+++ b/Makefile
@@ -307,7 +307,12 @@ ifeq ($(VSOCK_DEFINED), 1)
 CFLAGS += -DVSOCK
 endif
 
+ifndef NO_PERF
 PERF_DEFINED := $(shell if (echo "$(pound)include <linux/perf_event.h>" | $(CC) -E - >/dev/null 2>&1) ; then echo 1; else echo 0 ; fi)
+else
+PREF_DEFINED := 0
+endif
+
 export PERF_DEFINED
 ifeq ($(PERF_DEFINED), 1)
 CFLAGS += -DPERF
-- 
2.25.1