From 7977646874531a08430becc339ae03472648d481 Mon Sep 17 00:00:00 2001
From: Serhii Voloshynov <serhii.voloshynov@globallogic.com>
Date: Fri, 12 Jun 2020 11:58:38 +0300
Subject: [PATCH] make kernel reproducible

---
 Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Makefile b/Makefile
index 3043937..b92e80d 100644
--- a/Makefile
+++ b/Makefile
@@ -651,6 +651,8 @@ KBUILD_CFLAGS   += -O2
 endif
 endif
 
+KBUILD_CFLAGS	+= $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
+
 KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \
 			$(call cc-disable-warning,maybe-uninitialized,))
 
-- 
2.7.4