From 23a675f6212fc50730f45d49d9ae484fc2727335 Mon Sep 17 00:00:00 2001
From: Markus Towara <mtowara@gmail.com>
Date: Tue, 15 Nov 2016 21:57:15 +0100
Subject: [PATCH] reduce binary size of .hex still a few bytes bigger than with
arduino but nothing major
---
Marlin/Makefile | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/Marlin/Makefile b/Marlin/Makefile
index 03d93845b8..81eeceada9 100644
--- a/Marlin/Makefile
+++ b/Marlin/Makefile
@@ -387,6 +387,7 @@ CDEBUG = -g$(DEBUG)
CWARN = -Wall -Wstrict-prototypes
CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct \
-fshort-enums -w -ffunction-sections -fdata-sections \
+ -flto \
-DARDUINO=$(ARDUINO_VERSION)
ifneq ($(HARDWARE_MOTHERBOARD),)
CTUNING += -DMOTHERBOARD=${HARDWARE_MOTHERBOARD}
@@ -510,7 +511,7 @@ extcoff: $(TARGET).elf
# Link: create ELF output file from library.
$(BUILD_DIR)/$(TARGET).elf: $(OBJ) Configuration.h
$(Pecho) " CXX $@"
- $P $(CC) $(ALL_CXXFLAGS) -Wl,--gc-sections -o $@ -L. $(OBJ) $(LDFLAGS)
+ $P $(CC) $(ALL_CXXFLAGS) -Wl,--gc-sections,--relax -o $@ -L. $(OBJ) $(LDFLAGS)
$(BUILD_DIR)/%.o: %.c Configuration.h Configuration_adv.h $(MAKEFILE)
$(Pecho) " CC $<"