[PATCH 1/2] selftests: Use lirc.h from kernel tree, not from system

[Sean Young <sean@xxxxxxxx>]

When the system lirc.h is older than v4.16, you will get errors like:

ir_loopback.c:32:16: error: field ‘proto’ has incomplete type
  enum rc_proto proto;

Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Sean Young <sean@xxxxxxxx>
---
 tools/testing/selftests/ir/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/ir/Makefile b/tools/testing/selftests/ir/Makefile
index f4ba8eb84b95..ad06489c22a5 100644
--- a/tools/testing/selftests/ir/Makefile
+++ b/tools/testing/selftests/ir/Makefile
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 TEST_PROGS := ir_loopback.sh
 TEST_GEN_PROGS_EXTENDED := ir_loopback
+APIDIR := ../../../include/uapi
+CFLAGS += -Wall -O2 -I$(APIDIR)
 
 include ../lib.mk
-- 
2.20.1