From 1fb9b4e0ee8684515ce0fd3c48e0d7e94a5f1e75 Mon Sep 17 00:00:00 2001
From: Sen Haerens <sen@senhaerens.be>
Date: Fri, 30 Nov 2018 00:16:58 +0100
Subject: [PATCH] Allow override of macros in core_version.h (#5268)

---
 cores/esp8266/core_version.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cores/esp8266/core_version.h b/cores/esp8266/core_version.h
index e4556d7e0..04c95c80c 100644
--- a/cores/esp8266/core_version.h
+++ b/cores/esp8266/core_version.h
@@ -1,5 +1,10 @@
+#ifndef ARDUINO_ESP8266_GIT_VER
 #define ARDUINO_ESP8266_GIT_VER 0x00000000
+#endif
+
+#ifndef ARDUINO_ESP8266_GIT_DESC
 #define ARDUINO_ESP8266_GIT_DESC unspecified
+#endif
 
 // ARDUINO_ESP8266_RELEASE is defined for released versions as a string containing the version name, i.e. "2_3_0_RC1"
 // ARDUINO_ESP8266_RELEASE is used in the core internally. Please use ESP.getCoreVersion() function instead.