[add] default environment

bsp/CME_M7/SConstruct

@@ -8,6 +8,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/allwinner_tina/SConstruct

@@ -9,6 +9,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/amebaz/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/apollo2/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread_apollo2.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/asm9260t/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/at91sam9260/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-at91sam9260.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/at91sam9g45/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-at91sam9g45.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/avr32uc3b0/SConstruct

@@ -12,6 +12,7 @@ from building import *
  
 TARGET = 'rtthread-' + rtconfig.ARCH + '.' + rtconfig.TARGET_EXT
  
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
    AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/beaglebone/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-beaglebone.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/ck802/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-ck802.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/dm365/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-dm365.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/efm32/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-efm32.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/es32f0334/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/es32f0654/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/fh8620/SConstruct

@@ -15,6 +15,7 @@ TARGET = rtconfig.OUTPUT_NAME + rtconfig.TARGET_EXT
 # add rtconfig.h path to the assembler
 rtconfig.AFLAGS += ' -I' + str(Dir('#')) +' -I' + RTT_ROOT + '/libcpu/arm/armv6'
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
         CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/frdm-k64f/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-k64f.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/gd32303e-eval/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread-gd32f30x.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/gd32450z-eval/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread-gd32f4xx.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/gd32e230k-start/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread-gd32f230.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/gd32vf103v-eval/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/gkipc/SConstruct

@@ -15,6 +15,7 @@ TARGET = rtconfig.OUTPUT_NAME + rtconfig.TARGET_EXT
 # add rtconfig.h path to the assembler
 rtconfig.AFLAGS += ' -I' + str(Dir('#')) +' -I' + str(Dir('#')) + '/bsp'
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
         CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/hifive1/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/imx6sx/cortex-a9/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-imx6.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/imx6ul/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-imx6.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/imxrt/imxrt1052-atk-commander/SConstruct

@@ -16,7 +16,7 @@ except:
     exit(-1)
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
-
+DefaultEnvironment(tools=[])
 if rtconfig.PLATFORM == 'armcc':
     env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,

bsp/imxrt/imxrt1052-fire-pro/SConstruct

@@ -16,7 +16,7 @@ except:
     exit(-1)
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
-
+DefaultEnvironment(tools=[])
 if rtconfig.PLATFORM == 'armcc':
     env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,

bsp/imxrt/imxrt1052-nxp-evk/SConstruct

@@ -16,7 +16,7 @@ except:
     exit(-1)
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
-
+DefaultEnvironment(tools=[])
 if rtconfig.PLATFORM == 'armcc':
     env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,

bsp/imxrt/imxrt1064-nxp-evk/SConstruct

@@ -16,7 +16,7 @@ except:
     exit(-1)
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
-
+DefaultEnvironment(tools=[])
 if rtconfig.PLATFORM == 'armcc':
     env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,

bsp/imxrt/libraries/templates/imxrt1050xxx/SConstruct

@@ -16,7 +16,7 @@ except:
     exit(-1)
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
-
+DefaultEnvironment(tools=[])
 if rtconfig.PLATFORM == 'armcc':
     env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,

bsp/imxrt/libraries/templates/imxrt1064xxx/SConstruct

@@ -16,7 +16,7 @@ except:
     exit(-1)
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
-
+DefaultEnvironment(tools=[])
 if rtconfig.PLATFORM == 'armcc':
     env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,

bsp/k210/SConstruct

@@ -9,6 +9,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lm3s8962/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-lm3s.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lm3s9b9x/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-lm3s.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lm4f232/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc1114/SConstruct

@@ -9,6 +9,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc176x/SConstruct

@@ -11,6 +11,7 @@ from building import *
 
 TARGET = 'rtthread-lpc17xx.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc178x/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-lpc178x.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc2148/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'build/rtthread-lpc214x.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc2478/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-lpc24xx.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc408x/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc43xx/M0/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-lpc40xx.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc43xx/M4/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'build/rtthread_lpc43xx.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc5410x/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-%s.%s' % (rtconfig.BOARD_NAME, rtconfig.TARGET_EXT)
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc54114-lite/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-%s.%s' % (rtconfig.BOARD_NAME, rtconfig.TARGET_EXT)
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/lpc54608-LPCXpresso/SConstruct

@@ -11,7 +11,7 @@ sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
 from building import *
 
 TARGET = 'rtthread-%s.%s' % (rtconfig.BOARD_NAME, rtconfig.TARGET_EXT)
-
+DefaultEnvironment(tools=[])
 if rtconfig.PLATFORM == 'armcc':
     env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,

bsp/lpc824/SConstruct

@@ -14,6 +14,7 @@ from building import *
 
 TARGET = 'rtthread-lpc842.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/ls1bdev/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/ls1cdev/SConstruct

@@ -14,6 +14,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
 rtconfig.AFLAGS += ' -I' + str(Dir('#'))
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/m16c62p/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtt2m16c.' + rtconfig.TARGET_EXT 
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/mb9bf500r/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/mb9bf506r/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/mb9bf568r/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-fm4.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/mb9bf618s/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/mini2440/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-mini2440.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/mini4020/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-mini4020.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/mm32l07x/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/mm32l3xx/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/nrf51822/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-stm32f0xx.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/nrf52832/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread_nrf52832.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/nuvoton_m05x/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-nuvotan_m05x.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/nuvoton_m451/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-nuvotan_m451.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/nuvoton_m487/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-m487.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/nuvoton_nuc472/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-nuc472.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/nv32f100x/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-nv32f100x.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/qemu-vexpress-a9/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS   = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC   = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/qemu-vexpress-gemini/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-vexpress.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/raspi2/SConstruct

@@ -9,6 +9,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/realview-a8/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-realview.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/rm48x50/SConstruct

@@ -11,6 +11,7 @@ from building import *
 
 TARGET = 'rtthread-rm48x50.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/rv32m1_vega/ri5cy/SConstruct

@@ -9,6 +9,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/sam7x/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-sam7x.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/samd21/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'SAM_D2X_RTT.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/sep6200/SConstruct

@@ -12,6 +12,7 @@ from building import *
 
 TARGET = 'rtthread-sep6200.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
 	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
 	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/simulator/SConstruct

@@ -56,6 +56,7 @@ elif rtconfig.PLATFORM == 'mingw':
         odbccp32
         ''')
     TARGET = 'rtthread-win32.' + rtconfig.TARGET_EXT
+    DefaultEnvironment(tools=[])
     env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
         CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/libraries/templates/stm32f0xx/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/libraries/templates/stm32f10x/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/libraries/templates/stm32f2xx/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/libraries/templates/stm32f4xx/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/libraries/templates/stm32f7xx/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/libraries/templates/stm32h7xx/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/libraries/templates/stm32l4xx/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f072-st-nucleo/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f091-st-nucleo/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-atk-nano/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-atk-warshipv3/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-dofly-M3S/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-dofly-lyc8/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-fire-arbitrary/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-gizwits-gokitv21/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-hw100k-ibox/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-mini-system/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f103-yf-ufun/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f107-uc-eval/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f401-st-nucleo/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f405-smdz-breadfruit/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f407-atk-explorer/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f407-st-discovery/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f411-st-nucleo/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f412-st-nucleo/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,

bsp/stm32/stm32f427-robomaster-a/SConstruct

@@ -17,6 +17,7 @@ except:
 
 TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
+DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,