From 3d8e4796de12c8399b24a5ae077013275450fb80 Mon Sep 17 00:00:00 2001
From: cho45 <cho45@lowreal.net>
Date: Sat, 24 Aug 2019 20:27:16 +0900
Subject: [PATCH] use newlib-nano to saving sram usage of impure_data

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index b40bc5d..f0f8a12 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 
 # Compiler options here.
 ifeq ($(USE_OPT),)
-  USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
+  USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16 --specs=nano.specs
 endif
 
 # C specific options here (added to USE_OPT).