Change default stack size to 16384; remove unused parameters

Makefile

@@ -23,21 +23,19 @@ CP    = $(TOOLCHAIN)-objcopy
 OD    = $(TOOLCHAIN)-objdump
 GDB   = $(TOOLCHAIN)-gdb
 
-STACK_SIZE?=2048
+#STACK_SIZE?=2048
+STACK_SIZE?=16384
 
 JLFLAGS = -device XMC4500-1024 -if SWD -speed 900
 
 CFLAGS = -target armv6m--none-eabi -mcpu=cortex-m4 -mthumb -integrated-as -ccc-gcc-name arm-none-eabi-gcc
-# CFLAGS = -g
-# CFLAGS+= -fno-builtin
-CFLAGS+= -O0 -ffunction-sections -fdata-sections
-CFLAGS+= -MD -std=c99 -Wall -fms-extensions
+CFLAGS+= -fno-builtin
+CFLAGS+= -Os -ffunction-sections -fdata-sections
+CFLAGS+= -MD -std=c99 -Wall
 CFLAGS+= -DUC_ID=$(UC_ID) -DARM_MATH_CM4 -DINTERRUPT_CONTROL_ENDPOINT
-CFLAGS+= -fmessage-length=0 
 CFLAGS+= -DXMC4500_F100x1024
 CFLAGS+= -I$(CMSIS)/Include -I$(CMSIS)/Infineon/$(UC)_series/Include
 CFLAGS+= -Ilib/LUFA -I$(XMC)/XMCLib/inc
-CFLAGS+= -ccc-gcc-name arm-none-eabi-gcc
 
 ASFLAGS = -target armv6m--none-eabi -mcpu=cortex-m4 -marm -mthumb
 ASFLAGS+= -O0 -ffunction-sections -fdata-sections