Merge pull request #1112 from enkiller/master

[bsp]imxrt1052-evk 支持scons编译C++代码

bsp/imxrt1052-evk/Kconfig

@@ -18,7 +18,7 @@ config $PKGS_DIR
 source "$RTT_DIR/Kconfig"
 source "$PKGS_DIR/Kconfig"
 
-config BOARD_IMXRT1052_EVK
+config SOC_IMXRT1052
     bool 
     select ARCH_ARM_CORTEX_M7
     default y

bsp/imxrt1052-evk/SConstruct

@@ -7,18 +7,30 @@ if os.getenv('RTT_ROOT'):
     RTT_ROOT = os.getenv('RTT_ROOT')
 else:
 	RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
-print RTT_ROOT
 	
 sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
 from building import *
 
 TARGET = 'rtthread-imxrt.' + rtconfig.TARGET_EXT
 
-env = Environment(tools = ['mingw'],
+if rtconfig.PLATFORM == 'armcc':
+    env = Environment(tools = ['mingw'],
         AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
         CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+        CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
         AR = rtconfig.AR, ARFLAGS = '-rc',
-	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
+        LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS,
+        # overwrite cflags, because cflags has '--C99'
+        CXXCOM = '$CXX -o $TARGET --cpp -c $CXXFLAGS $_CCCOMCOM $SOURCES')
+else:
+    env = Environment(tools = ['mingw'],
+        AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
+        CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+        CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
+        AR = rtconfig.AR, ARFLAGS = '-rc',
+        LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS,
+        CXXCOM = '$CXX -o $TARGET -c $CXXFLAGS $_CCCOMCOM $SOURCES')
+
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
 if rtconfig.PLATFORM == 'iar':

bsp/imxrt1052-evk/rtconfig.py

@@ -40,18 +40,17 @@ if PLATFORM == 'gcc':
     OBJCPY = PREFIX + 'objcopy'
     STRIP = PREFIX + 'strip'
 
-    DEVICE = ' -std=c99 -mcpu=cortex-m7 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -ffunction-sections -fdata-sections'
-    CFLAGS = DEVICE + ' -g -Wall -DUSE_HAL_DRIVER -D__ASSEMBLY__ -D__FPU_PRESENT -eentry'
+    DEVICE = ' -mcpu=cortex-m7 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -ffunction-sections -fdata-sections'
+    CFLAGS = DEVICE + ' -std=c99 -Wall -DUSE_HAL_DRIVER -D__ASSEMBLY__ -D__FPU_PRESENT -eentry'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
     LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -nostartfiles -Wl,--gc-sections,-Map=imxrt1052_sdram.map,-cref,-u,Reset_Handler -T ./Libraries/gcc/MIMXRT1052xxxxx_flexspi_nor.ld'
 
     CPATH = ''
     LPATH = ''
 
+    if BUILD == 'debug':
         CFLAGS += ' -gdwarf-2'
         AFLAGS += ' -gdwarf-2'
-
-    if BUILD == 'debug':
         CFLAGS += ' -O0'
     else:
         CFLAGS += ' -O2 -Os'
@@ -69,6 +68,7 @@ if PLATFORM == 'gcc':
 elif PLATFORM == 'armcc':
     # toolchains
     CC = 'armcc'
+    CXX = 'armcc'
     AS = 'armasm'
     AR = 'armar'
     LINK = 'armlink'
@@ -79,7 +79,7 @@ elif PLATFORM == 'armcc':
     AFLAGS = DEVICE
     LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-imxrt.map --scatter ./Libraries/arm/MIMXRT1052xxxxx_flexspi_nor.scf'
 
-    CFLAGS += ' --c99  --diag_suppress=66,1296,186'
+    CFLAGS += ' --diag_suppress=66,1296,186'
     CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
     LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
 
@@ -91,7 +91,11 @@ elif PLATFORM == 'armcc':
     else:
         CFLAGS += ' -O2'
 
-    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+    CXXFLAGS = CFLAGS
+    CFLAGS += ' --c99'
+
+    POST_ACTION = 'fromelf -z $TARGET'
+    # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
     # toolchains