From 6d3d95a2710106efb8be1f997e56934ff014fd63 Mon Sep 17 00:00:00 2001
From: Lukas Schauer <lukas2511@users.noreply.github.com>
Date: Fri, 6 Feb 2015 04:41:17 +0100
Subject: [PATCH] Only set ESPTOOL if not set before

This allows setting the path to esptool.py as an option on make, allowing the use of alternative tools, or modified esptool.py versions.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 6b4a545b..7de24a3b 100644
--- a/Makefile
+++ b/Makefile
@@ -75,7 +75,7 @@ else
     endif
 endif
 #############################################################
-ESPTOOL = ../tools/esptool.py
+ESPTOOL ?= ../tools/esptool.py
 
 
 CSRCS ?= $(wildcard *.c)