From 7a31770a9ae88f9b0482fb8a1e4cc702cacaf86e Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Thu, 19 Jun 2014 19:49:47 +0200
Subject: [PATCH] Allow variants to define an initVariant() function that is
 called at startup.

See #2080
---
 cores/arduino/main.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cores/arduino/main.cpp b/cores/arduino/main.cpp
index 0ad6962..091c365 100644
--- a/cores/arduino/main.cpp
+++ b/cores/arduino/main.cpp
@@ -19,10 +19,17 @@
 
 #include <Arduino.h>
 
+// Weak empty variant initialization function.
+// May be redefined by variant files.
+void initVariant() __attribute__((weak));
+void initVariant() { }
+
 int main(void)
 {
 	init();
 
+	initVariant();
+
 #if defined(USBCON)
 	USBDevice.attach();
 #endif