From: Kevin Rosenberg <kevin@rosenberg.net>
Date: Fri, 27 Jun 2008 01:07:06 +0000 (-0600)
Subject: Commit mthomas changes to GCC and port those changes to IAR
X-Git-Url: http://git.kpe.io/?p=avr_bc100.git;a=commitdiff_plain;h=93e97b1db3d777e5c7536c997046c86f2f3a62f6;hp=65612c4c7df34cdae10f9427ace6fd9e9e430d05

Commit mthomas changes to GCC and port those changes to IAR
---

diff --git a/BaseTinyFirmware/GCC/avr458/Makefile b/BaseTinyFirmware/GCC/avr458/Makefile
index 844d3db..49c1c04 100644
--- a/BaseTinyFirmware/GCC/avr458/Makefile
+++ b/BaseTinyFirmware/GCC/avr458/Makefile
@@ -13,7 +13,8 @@ COMMON = -mmcu=$(MCU)
 
 ## Compile options common for all C compilation units.
 CFLAGS = $(COMMON)
-CFLAGS += -gdwarf-2 -std=gnu99 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
+CFLAGS += -gdwarf-2 -std=gnu99 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -ffunction-sections
+CFLAGS += -fno-inline-small-functions -fno-split-wide-types
 CFLAGS += -Wall -Wstrict-prototypes -Wundef -Wa,-adhlns=./$(*F).lst
 CFLAGS += -fno-inline-small-functions -fno-split-wide-types
 CFLAGS += -MMD -MP -MF dep/$(@F).d  
@@ -26,7 +27,7 @@ ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2
 
 ## Linker flags
 LDFLAGS = $(COMMON)
-LDFLAGS +=  -Wl,-Map=$(PROJECT).map,--cref -Wl,-relax
+LDFLAGS +=  -Wl,-Map=$(PROJECT).map,--cref -Wl,-relax -Wl,-gc-sections
 
 ## Intel Hex file production flags
 HEX_FLASH_FLAGS = -R .eeprom