old_contents: # toolchains options
  ARCH='sim'
  #CPU='win32'
  #CPU='posix'
  CPU='posix'
  CROSS_TOOL='gcc' #msvc # gcc
  
  # lcd panel options
  # 'FMT0371','ILI932X', 'SSD1289'
  # RT_USING_LCD_TYPE = 'SSD1289'
  
  # cross_tool provides the cross compiler
  # EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
  if  CROSS_TOOL == 'gcc':
  	PLATFORM 	= 'gcc'
  	EXEC_PATH 	= '/usr/bin/gcc'
  
  if  CROSS_TOOL == 'msvc':
  	PLATFORM 	= 'cl'
  	EXEC_PATH = ''
  
  BUILD = 'debug'
  #BUILD = ''
  
  if PLATFORM == 'gcc':
      # toolchains
      PREFIX = ''
      CC = PREFIX + 'gcc'
      AS = PREFIX + 'gcc'
      AR = PREFIX + 'ar'
      LINK = PREFIX + 'gcc'
      TARGET_EXT = 'axf'
      SIZE = PREFIX + 'size'
      OBJDUMP = PREFIX + 'objdump'
      OBJCPY = PREFIX + 'objcopy'
  
      DEVICE = ' -ffunction-sections -fdata-sections'
      DEVICE = '  '
      CFLAGS = DEVICE + ' -I/usr/include -w -D_REENTRANT'
      AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
      #LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-linux.map,-cref,-u,Reset_Handler -T stm32_rom.ld'
      #LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-linux.map -lpthread'
      #LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-linux.map -pthread'
      LFLAGS = DEVICE + ' -Wl,-Map=rtthread-linux.map -pthread -T gcc.ld'
  
      CPATH = ''
      LPATH = ''
  
      if BUILD == 'debug':
          CFLAGS += ' -g -O0 -gdwarf-2'
          AFLAGS += ' -gdwarf-2'
      else:
          CFLAGS += ' -O2'
  
      POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
  
  elif PLATFORM == 'cl':
      # toolchains
      PREFIX = ''
      TARGET_EXT = 'exe'
      AS = PREFIX + 'cl'
      CC = PREFIX + 'cl'
      AR = PREFIX + 'cl'
      LINK = PREFIX + 'cl'
      AFLAGS = ''
      CFLAGS = ''
      LFLAGS = ''
  
      if BUILD == 'debug':
          CFLAGS += ' /MTd'
          LFLAGS += ' /DEBUG'
      else:
          CFLAGS += ' /MT'
          LFLAGS += ''
  
      CFLAGS += ' /ZI /Od /W 3 /WL '
      LFLAGS += ' /SUBSYSTEM:CONSOLE /MACHINE:X86 '
  
      CPATH = ''
      LPATH = ''
  
      POST_ACTION = ''
  
new_contents: # toolchains options
  ARCH='sim'
  #CROSS_TOOL='msvc' or 'gcc' or 'mingw' (mingw is not supported yet!)
  CROSS_TOOL='msvc'
  
  # cross_tool provides the cross compiler
  # EXEC_PATH is the compiler execute path 
  if  CROSS_TOOL == 'gcc':
      CPU       = 'posix'
      PLATFORM  = 'gcc'
      EXEC_PATH = '/usr/bin/gcc'
  
  if  CROSS_TOOL == 'msvc':
      CPU       = 'win32'
      PLATFORM  = 'cl'
      EXEC_PATH = ''
  
  BUILD = 'debug'
  #BUILD = ''
  
  if PLATFORM == 'gcc':
      # toolchains
      PREFIX = ''
      CC = PREFIX + 'gcc'
      AS = PREFIX + 'gcc'
      AR = PREFIX + 'ar'
      LINK = PREFIX + 'gcc'
      TARGET_EXT = 'axf'
      SIZE = PREFIX + 'size'
      OBJDUMP = PREFIX + 'objdump'
      OBJCPY = PREFIX + 'objcopy'
  
      DEVICE = ' -ffunction-sections -fdata-sections'
      DEVICE = '  '
      CFLAGS = DEVICE + ' -I/usr/include -w -D_REENTRANT'
      AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
      #LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-linux.map -lpthread'
      LFLAGS = DEVICE + ' -Wl,-Map=rtthread-linux.map -pthread -T gcc.ld'
  
      CPATH = ''
      LPATH = ''
  
      if BUILD == 'debug':
          CFLAGS += ' -g -O0 -gdwarf-2'
          AFLAGS += ' -gdwarf-2'
      else:
          CFLAGS += ' -O2'
  
      POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
  
  elif PLATFORM == 'cl':
      # toolchains
      PREFIX = ''
      TARGET_EXT = 'exe'
      AS = PREFIX + 'cl'
      CC = PREFIX + 'cl'
      AR = PREFIX + 'cl'
      LINK = PREFIX + 'cl'
      AFLAGS = ''
      CFLAGS = ''
      LFLAGS = ''
  
      if BUILD == 'debug':
          CFLAGS += ' /MTd'
          LFLAGS += ' /DEBUG'
      else:
          CFLAGS += ' /MT'
          LFLAGS += ''
  
      CFLAGS += ' /ZI /Od /W 3 /WL '
      LFLAGS += ' /SUBSYSTEM:CONSOLE /MACHINE:X86 '
  
      CPATH = ''
      LPATH = ''
  
      POST_ACTION = ''
  
subject: clean code in bsp/simulator/rtconfig.py