From a5dd30772755a090ffb82d021145e6497d1e5a2b Mon Sep 17 00:00:00 2001
From: Tim Niemueller <tim@niemueller.de>
Date: Mon, 6 Mar 2017 17:52:12 +0100
Subject: [PATCH] Arduino.mk: on Fedora, disable LTO by default

---
 Arduino.mk | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Arduino.mk b/Arduino.mk
index 204677e..ea71c01 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1046,7 +1046,12 @@ ifndef AR_NAME
 endif
 
 ifeq ($(shell expr $(CC_VERNUM) '>' 490), 1)
-    USE_LTO ?= 1
+    DISTRO=$(if $(wildcard /etc/os-release),$(shell sed -n "/^ID=/ s/ID=//p" /etc/os-release),unknown)
+    ifeq ($(DISTRO),fedora)
+        USE_LTO ?= 0
+    else
+        USE_LTO ?= 1
+    endif
 endif