text: ##############################################################################
  # Build global options
  # NOTE: Can be overridden externally.
  #
  
  # Compiler options here.
  ifeq ($(USE_OPT),)
    USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
  endif
  
  # C specific options here (added to USE_OPT).
  ifeq ($(USE_COPT),)
    USE_COPT = 
  endif
  
  # C++ specific options here (added to USE_OPT).
  ifeq ($(USE_CPPOPT),)
    USE_CPPOPT = -fno-rtti
  endif
  
  # Enable this if you want the linker to remove unused code and data
  ifeq ($(USE_LINK_GC),)
    USE_LINK_GC = yes
  endif
  
  # Linker extra options here.
  ifeq ($(USE_LDOPT),)
    USE_LDOPT = 
  endif
  
  # Enable this if you want link time optimizations (LTO)
  ifeq ($(USE_LTO),)
    USE_LTO = yes
  endif
  
  # If enabled, this option allows to compile the application in THUMB mode.
  ifeq ($(USE_THUMB),)
    USE_THUMB = no
  endif
  
  # Enable this if you want to see the full log while compiling.
  ifeq ($(USE_VERBOSE_COMPILE),)
    USE_VERBOSE_COMPILE = no
  endif
  
  # If enabled, this option makes the build process faster by not compiling
  # modules not used in the current configuration.
  ifeq ($(USE_SMART_BUILD),)
    USE_SMART_BUILD = yes
  endif
  
  #
  # Build global options
  ##############################################################################
  
  ##############################################################################
  # Architecture or project specific options
  #
  
  # Stack size to be allocated to the ARM System/User stack. This
  # stack is the stack used by the main() thread.
  ifeq ($(USE_SYSTEM_STACKSIZE),)
    USE_SYSTEM_STACKSIZE = 0x400
  endif
  
  # Stack size to the allocated to the ARM IRQ stack. This
  # stack is used for processing interrupts and exceptions.
  ifeq ($(USE_EXCEPTIONS_STACKSIZE),)
    USE_IRQ_STACKSIZE = 0x400
  endif
  
  # Stack size to the allocated to the ARM FIQ stack. This
  # stack is used for processing interrupts and exceptions.
  ifeq ($(USE_FIQ_STACKSIZE),)
    USE_FIQ_STACKSIZE = 64
  endif
  
  # Stack size to the allocated to the ARM Supervisor stack. This
  # stack is used for processing interrupts and exceptions.
  ifeq ($(USE_SUPERVISOR_STACKSIZE),)
    USE_SUPERVISOR_STACKSIZE = 8
  endif
  
  # Stack size to the allocated to the ARM Undefined stack. This
  # stack is used for processing interrupts and exceptions.
  ifeq ($(USE_UND_STACKSIZE),)
    USE_UND_STACKSIZE = 8
  endif
  
  # Stack size to the allocated to the ARM Abort stack. This
  # stack is used for processing interrupts and exceptions.
  ifeq ($(USE_ABT_STACKSIZE),)
    USE_ABT_STACKSIZE = 8
  endif
  
  # Enables the use of FPU.
  ifeq ($(USE_FPU),)
    USE_FPU = no
  endif
  
  #
  # Architecture or project specific options
  ##############################################################################
  
  ##############################################################################
  # Project, sources and paths
  #
  
  # Define project name here
  PROJECT = ch
  
  # Imported source files and paths
  CHIBIOS = ../../..
  # Licensing files.
  include $(CHIBIOS)/os/license/license.mk
  # Startup files.
  include $(CHIBIOS)/os/common/startup/ARM/compilers/GCC/mk/startup_lpc214x.mk
  # HAL-OSAL files (optional).
  include $(CHIBIOS)/os/hal/hal.mk
  include $(CHIBIOS)/os/hal/ports/LPC/LPC214x/platform.mk
  include $(CHIBIOS)/os/hal/boards/OLIMEX_LPC_P2148/board.mk
  include $(CHIBIOS)/os/hal/osal/rt-nil/osal.mk
  # RTOS files (optional).
  include $(CHIBIOS)/os/rt/rt.mk
  include $(CHIBIOS)/os/common/ports/ARM/compilers/GCC/mk/port_generic.mk
  # Other files (optional).
  include $(CHIBIOS)/test/lib/test.mk
  include $(CHIBIOS)/test/rt/rt_test.mk
  include $(CHIBIOS)/test/oslib/oslib_test.mk
  
  # Define linker script file here
  LDSCRIPT= $(STARTUPLD)/LPC2148.ld
  
  # C sources that can be compiled in ARM or THUMB mode depending on the global
  # setting.
  CSRC = $(ALLCSRC) \
         $(TESTSRC) \
         main.c
  
  # C++ sources that can be compiled in ARM or THUMB mode depending on the global
  # setting.
  CPPSRC = $(ALLCPPSRC)
  
  # C sources to be compiled in ARM mode regardless of the global setting.
  # NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
  #       option that results in lower performance and larger code size.
  ACSRC =
  
  # C++ sources to be compiled in ARM mode regardless of the global setting.
  # NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
  #       option that results in lower performance and larger code size.
  ACPPSRC =
  
  # C sources to be compiled in THUMB mode regardless of the global setting.
  # NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
  #       option that results in lower performance and larger code size.
  TCSRC =
  
  # C sources to be compiled in THUMB mode regardless of the global setting.
  # NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
  #       option that results in lower performance and larger code size.
  TCPPSRC =
  
  # List ASM source files here.
  ASMSRC = $(ALLASMSRC)
  
  # List ASM with preprocessor source files here.
  ASMXSRC = $(ALLXASMSRC)
  
  # Inclusion directories.
  INCDIR = $(CONFDIR) $(ALLINC) $(TESTINC)
  
  #
  # Project, sources and paths
  ##############################################################################
  
  ##############################################################################
  # Compiler settings
  #
  
  MCU  = arm7tdmi
  
  #TRGT = arm-elf-
  TRGT = arm-none-eabi-
  CC   = $(TRGT)gcc
  CPPC = $(TRGT)g++
  # Enable loading with g++ only if you need C++ runtime support.
  # NOTE: You can use C++ even without C++ support if you are careful. C++
  #       runtime support makes code size explode.
  LD   = $(TRGT)gcc
  #LD   = $(TRGT)g++
  CP   = $(TRGT)objcopy
  AS   = $(TRGT)gcc -x assembler-with-cpp
  AR   = $(TRGT)ar
  OD   = $(TRGT)objdump
  SZ   = $(TRGT)size
  HEX  = $(CP) -O ihex
  BIN  = $(CP) -O binary
  
  # ARM-specific options here
  AOPT =
  
  # THUMB-specific options here
  TOPT = -mthumb -DTHUMB
  
  # Define C warning options here
  CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
  
  # Define C++ warning options here
  CPPWARN = -Wall -Wextra -Wundef
  
  #
  # Compiler settings
  ##############################################################################
  
  ##############################################################################
  # Start of user section
  #
  
  # List all user C define here, like -D_DEBUG=1
  UDEFS =
  
  # Define ASM defines here
  UADEFS =
  
  # List all user directories here
  UINCDIR =
  
  # List the user directory to look for the libraries here
  ULIBDIR =
  
  # List all user libraries here
  ULIBS =
  
  #
  # End of user defines
  ##############################################################################
  
  RULESPATH = $(CHIBIOS)/os/common/startup/ARM/compilers/GCC
  include $(RULESPATH)/rules.mk
  