From 9bd4047425baacfbd92ab6e48075958c2c4ff3cc Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Sat, 31 Jan 2015 23:22:24 +0200
Subject: [PATCH] Revert "cyclic dependencies" flag to "atmelavr" platform

---
 platformio/builder/scripts/atmelavr.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platformio/builder/scripts/atmelavr.py b/platformio/builder/scripts/atmelavr.py
index 55dc2d74..b3070b95 100644
--- a/platformio/builder/scripts/atmelavr.py
+++ b/platformio/builder/scripts/atmelavr.py
@@ -53,7 +53,8 @@ env.Replace(
     LINKFLAGS=[
         "-Os",
         "-mmcu=$BOARD_MCU",
-        "-Wl,--gc-sections"
+        "-Wl,--gc-sections",
+        "-Wl,--start-group"
     ],
 
     UPLOADER=join("$PIOPACKAGES_DIR", "tool-avrdude", "avrdude"),