From ac5a0879822be6785e1808d0a2b83f9ff286e5cc Mon Sep 17 00:00:00 2001
From: Sudar <sudar@sudarmuthu.com>
Date: Sat, 15 Jun 2013 19:17:13 +0530
Subject: [PATCH] Add the ability to configure avrdude options

A new environmental variable AVRDUDE_OPTS is added, which can be used to
configure the options passed to avrdude.

Fix #53
---
 HISTORY.md            | 1 +
 arduino-mk/Arduino.mk | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/HISTORY.md b/HISTORY.md
index 4330964..ea7a1e3 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -7,6 +7,7 @@ The following is the rough list of changes that went into different versions. I
 - Replace hardcoded executables with variable
 - Fix whitespace issues
 - Add a warning when HEX_MAXIMUM_SIZE is not specified
+- Add the ability to configure avrdude options. Fix issue #53
 
 ### 0.10.6 (2013-06-14)
 - Fix whitespace and add /dev/null redirection (https://github.com/sej7278)
diff --git a/arduino-mk/Arduino.mk b/arduino-mk/Arduino.mk
index 8800bde..825aa95 100644
--- a/arduino-mk/Arduino.mk
+++ b/arduino-mk/Arduino.mk
@@ -798,7 +798,12 @@ ifndef AVRDUDE_CONF
     # If avrdude is installed separately, it can find its own config file
 endif
 
-AVRDUDE_COM_OPTS = -q -V -p $(MCU)
+# Default avrdude options. -V Do not verify, -q - suppress progress output
+ifndef AVRDUDE_OPTS
+    AVRDUDE_OPTS = -q -V
+endif
+
+AVRDUDE_COM_OPTS = $(AVRDUDE_OPTS) -p $(MCU)
 ifdef AVRDUDE_CONF
     AVRDUDE_COM_OPTS += -C $(AVRDUDE_CONF)
 endif