From d48bd8708b48c2095db776dd0592b0096c4ae2a4 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Mon, 25 May 2015 23:02:23 +1000
Subject: [PATCH] build: allow ccache to be found on windows cygwin

---
 mk/find_tools.mk | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mk/find_tools.mk b/mk/find_tools.mk
index cc9fce5278..5be93efd36 100644
--- a/mk/find_tools.mk
+++ b/mk/find_tools.mk
@@ -18,8 +18,8 @@ ifeq ($(SYSTYPE),Linux)
   FIND_TOOL    =  $(firstword $(wildcard $(addsuffix /$(1),$(TOOLPATH))))
 endif
 ifeq ($(findstring CYGWIN, $(SYSTYPE)),CYGWIN)
-  TOOLPATH :=  $(ARDUINO)/hardware/tools/avr/bin
-  FIND_TOOL    =  $(firstword $(wildcard $(addsuffix /$(1).exe,$(TOOLPATH))))
+  TOOLPATH :=  $(subst :, ,$(PATH))
+  FIND_TOOL = $(firstword $(wildcard $(addsuffix /$(1).exe,$(TOOLPATH))))
 endif
 ifeq ($(findstring MINGW, $(SYSTYPE)),MINGW)
   # expect that tools are on the path