From 55bc3a7255500b70fe1bc6ef84289b1b0e6c77a6 Mon Sep 17 00:00:00 2001
From: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Date: Tue, 25 Sep 2018 13:04:46 +0200
Subject: [PATCH] Makefile: add ifdef guards to config.h

Change-Id: Ib7ae206cc163ae9daffee18c3c68d527ee0dc308
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/426666
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Lance Hartmann <lance.hartmann@oracle.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 6dfb92f88..2fe0d0b1d 100644
--- a/Makefile
+++ b/Makefile
@@ -84,7 +84,10 @@ mk/cc.mk:
 config.h: CONFIG CONFIG.local scripts/genconfig.py
 	$(Q)PYCMD=$$(cat PYTHON_COMMAND 2>/dev/null) ; \
 	test -z "$$PYCMD" && PYCMD=python ; \
-	$$PYCMD scripts/genconfig.py $(MAKEFLAGS) > $@.tmp; \
+	echo "#ifndef SPDK_CONFIG_H" > $@.tmp; \
+	echo "#define SPDK_CONFIG_H" >> $@.tmp; \
+	$$PYCMD scripts/genconfig.py $(MAKEFLAGS) >> $@.tmp; \
+	echo "#endif /* SPDK_CONFIG_H */" >> $@.tmp; \
 	cmp -s $@.tmp $@ || mv $@.tmp $@ ; \
 	rm -f $@.tmp