From 687ee7236e03d1944c5037a45eb5c9748217529c Mon Sep 17 00:00:00 2001
From: pwpiwi <pwpiwi@users.noreply.github.com>
Date: Mon, 24 Feb 2020 11:37:38 +0100
Subject: [PATCH] compatibility fix: get_clocktime() is not a available with
 older glibc

---
 client/comms.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/client/comms.c b/client/comms.c
index b3b85fd2..b4091e00 100644
--- a/client/comms.c
+++ b/client/comms.c
@@ -17,6 +17,7 @@
 #include <pthread.h>
 #include <inttypes.h>
 #include <time.h>
+#include <sys/time.h>
 
 #include "uart.h"
 #include "ui.h"
@@ -144,7 +145,14 @@ static void storeCommand(UsbCommand *command) {
 static int getCommand(UsbCommand* response, uint32_t ms_timeout) {
 
 	struct timespec end_time;
+#if (_POSIX_TIMERS > 0)
 	clock_gettime(CLOCK_REALTIME, &end_time);
+#else
+	struct timeval tv;
+	gettimeofday(&tv, NULL);
+	end_time.tv_sec = tv.tv_sec;
+	end_time.tv_nsec = tv.tv_usec * 1000;
+#endif
 	end_time.tv_sec += ms_timeout / 1000;
 	end_time.tv_nsec += (ms_timeout % 1000) * 1000000;
 	if (end_time.tv_nsec > 1000000000) {