From 02155273587ac269686555e47de2729b0e80077e Mon Sep 17 00:00:00 2001
From: Abtin Keshavarzian <abtink@google.com>
Date: Wed, 8 Jan 2020 13:13:07 -0800
Subject: [PATCH] [spi-hdlc-adapter] fix undefined config macro warnings
 (#4458)

---
 tools/spi-hdlc-adapter/spi-hdlc-adapter.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tools/spi-hdlc-adapter/spi-hdlc-adapter.c b/tools/spi-hdlc-adapter/spi-hdlc-adapter.c
index 11e7134e6..76650fcab 100644
--- a/tools/spi-hdlc-adapter/spi-hdlc-adapter.c
+++ b/tools/spi-hdlc-adapter/spi-hdlc-adapter.c
@@ -27,6 +27,10 @@
 
 #define _GNU_SOURCE 1
 
+#ifndef HAVE_CONFIG_H
+#define HAVE_CONFIG_H 0
+#endif
+
 #if HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -53,18 +57,34 @@
 #include <linux/ioctl.h>
 #include <linux/spi/spidev.h>
 
+#ifndef HAVE_EXECINFO_H
+#define HAVE_EXECINFO_H 0
+#endif
+
 #if HAVE_EXECINFO_H
 #include <execinfo.h>
 #endif
 
+#ifndef HAVE_PTY_H
+#define HAVE_PTY_H 0
+#endif
+
 #if HAVE_PTY_H
 #include <pty.h>
 #endif
 
+#ifndef HAVE_UTIL_H
+#define HAVE_UTIL_H 0
+#endif
+
 #if HAVE_UTIL_H
 #include <util.h>
 #endif
 
+#ifndef HAVE_OPENPTY
+#define HAVE_OPENPTY 0
+#endif
+
 /* ------------------------------------------------------------------------- */
 /* MARK: Macros and Constants */