From a567b6c1f6b91aec331e88b8ea46a0c692ff3b45 Mon Sep 17 00:00:00 2001
From: Anton Maklakov <anton@espressif.com>
Date: Wed, 10 Apr 2019 21:05:10 +0700
Subject: [PATCH] pthread: Use a definition only if we have the old toolchain

---
 components/newlib/platform_include/pthread.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/newlib/platform_include/pthread.h b/components/newlib/platform_include/pthread.h
index 3c7d4f8a10..35be88a60c 100644
--- a/components/newlib/platform_include/pthread.h
+++ b/components/newlib/platform_include/pthread.h
@@ -16,8 +16,12 @@
 
 #include <sys/types.h>
 #include <sys/time.h>
+#include <sys/features.h>
 
+// Remove this when GCC 5.2.0 is no longer supported
+#ifndef _POSIX_TIMEOUTS
 #define _POSIX_TIMEOUTS     // For pthread_mutex_timedlock
+#endif
 
 #include_next <pthread.h>