From ae10f71dd4eb0143e3ec1740360a4f5c0005eee4 Mon Sep 17 00:00:00 2001
From: Matthijs Kooijman <matthijs@stdin.nl>
Date: Thu, 30 May 2013 16:09:05 +0200
Subject: [PATCH] Output configuration info only once

Before, the configuration info would be shown again when running a
recursive make call, or when make restarted after regenerating the
dependencies file. Now, it only shows the info the first time.

Closes: #46
---
 arduino-mk/Arduino.mk | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arduino-mk/Arduino.mk b/arduino-mk/Arduino.mk
index 1064160..f068739 100644
--- a/arduino-mk/Arduino.mk
+++ b/arduino-mk/Arduino.mk
@@ -340,10 +340,16 @@ dir_if_exists = $(if $(wildcard $(1)$(2)),$(1))
 # the number of bytes indicated by the second argument.
 space_pad_to = $(shell echo $(1) "                                                      " | head -c$(2))
 
+arduino_output =
+# When output is not suppressed and we're in the top-level makefile,
+# running for the first time (i.e., not after a restart after
+# regenerating the dependency file), then output the configuration.
 ifndef ARDUINO_QUIET
-    arduino_output = $(info $(1))
-else
-    arduino_output =
+    ifeq ($(MAKE_RESTARTS),)
+        ifeq ($(MAKELEVEL),0)
+            arduino_output = $(info $(1))
+        endif
+    endif
 endif
 
 # Call with some text, and a prefix tag if desired (like [AUTODETECTED]),