From 4b6c732cd757b8770d90e21c0e45c1991363d0f3 Mon Sep 17 00:00:00 2001
From: tyustli <1225613647@qq.com>
Date: Mon, 25 Mar 2019 10:28:12 +0800
Subject: [PATCH] last push forget modified the templates to support C++ this
 time add C++ for templates

---
 bsp/stm32/libraries/templates/stm32f0xx/SConstruct |  1 +
 .../stm32f0xx/board/linker_scripts/link.lds        | 14 ++++++++++++++
 .../libraries/templates/stm32f0xx/rtconfig.py      | 12 +++++++++++-
 bsp/stm32/libraries/templates/stm32f10x/SConstruct |  1 +
 .../stm32f10x/board/linker_scripts/link.lds        | 13 +++++++++++++
 .../libraries/templates/stm32f10x/rtconfig.py      | 12 +++++++++++-
 bsp/stm32/libraries/templates/stm32f4xx/SConstruct |  1 +
 .../stm32f4xx/board/linker_scripts/link.lds        | 13 +++++++++++++
 .../libraries/templates/stm32f4xx/rtconfig.py      | 12 +++++++++++-
 bsp/stm32/libraries/templates/stm32f7xx/SConstruct |  1 +
 .../stm32f7xx/board/linker_scripts/link.lds        | 13 +++++++++++++
 .../libraries/templates/stm32f7xx/rtconfig.py      | 12 ++++++++++--
 bsp/stm32/libraries/templates/stm32l4xx/SConstruct |  1 +
 .../stm32l4xx/board/linker_scripts/link.lds        | 13 +++++++++++++
 .../libraries/templates/stm32l4xx/rtconfig.py      | 12 +++++++++++-
 15 files changed, 125 insertions(+), 6 deletions(-)

diff --git a/bsp/stm32/libraries/templates/stm32f0xx/SConstruct b/bsp/stm32/libraries/templates/stm32f0xx/SConstruct
index c120f925d..7979e3a23 100644
--- a/bsp/stm32/libraries/templates/stm32f0xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f0xx/SConstruct
@@ -21,6 +21,7 @@ env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
+    CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
diff --git a/bsp/stm32/libraries/templates/stm32f0xx/board/linker_scripts/link.lds b/bsp/stm32/libraries/templates/stm32f0xx/board/linker_scripts/link.lds
index be18c21a2..222ed45f3 100644
--- a/bsp/stm32/libraries/templates/stm32f0xx/board/linker_scripts/link.lds
+++ b/bsp/stm32/libraries/templates/stm32f0xx/board/linker_scripts/link.lds
@@ -46,6 +46,14 @@ SECTIONS
         __rt_init_end = .;
 
         . = ALIGN(4);
+
+        PROVIDE(__ctors_start__ = .);
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        PROVIDE(__ctors_end__ = .);
+
+        . = ALIGN(4);
+
         _etext = .;
     } > ROM = 0
 
@@ -72,6 +80,12 @@ SECTIONS
         *(.data.*)
         *(.gnu.linkonce.d*)
 
+
+        PROVIDE(__dtors_start__ = .);
+        KEEP(*(SORT(.dtors.*)))
+        KEEP(*(.dtors))
+        PROVIDE(__dtors_end__ = .);
+
         . = ALIGN(4);
         /* This is used by the startup in order to initialize the .data secion */
         _edata = . ;
diff --git a/bsp/stm32/libraries/templates/stm32f0xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32f0xx/rtconfig.py
index c4d744f4f..3c8992f7d 100644
--- a/bsp/stm32/libraries/templates/stm32f0xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f0xx/rtconfig.py
@@ -44,7 +44,7 @@ if PLATFORM == 'gcc':
     OBJCPY = PREFIX + 'objcopy'
 
     DEVICE = ' -mcpu=cortex-m0 -mthumb -ffunction-sections -fdata-sections'
-    CFLAGS = DEVICE + ' -std=c99 -Dgcc'
+    CFLAGS = DEVICE + ' -Dgcc'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
     LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'
 
@@ -57,11 +57,15 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
 elif PLATFORM == 'armcc':
     # toolchains
     CC = 'armcc'
+    CXX = 'armcc'
     AS = 'armasm'
     AR = 'armar'
     LINK = 'armlink'
@@ -85,11 +89,15 @@ elif PLATFORM == 'armcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
+    CXX = 'iccarm'
     AS = 'iasmarm'
     AR = 'iarchive'
     LINK = 'ilinkarm'
@@ -130,5 +138,7 @@ elif PLATFORM == 'iar':
     LFLAGS = ' --config "board/linker_scripts/link.icf"'
     LFLAGS += ' --entry __iar_program_start'
 
+    CXXFLAGS = CFLAGS
+    
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
diff --git a/bsp/stm32/libraries/templates/stm32f10x/SConstruct b/bsp/stm32/libraries/templates/stm32f10x/SConstruct
index 05326b2b7..27b5e7fcc 100644
--- a/bsp/stm32/libraries/templates/stm32f10x/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f10x/SConstruct
@@ -21,6 +21,7 @@ env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
+    CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
diff --git a/bsp/stm32/libraries/templates/stm32f10x/board/linker_scripts/link.lds b/bsp/stm32/libraries/templates/stm32f10x/board/linker_scripts/link.lds
index 74d06fdc5..d22c800ca 100644
--- a/bsp/stm32/libraries/templates/stm32f10x/board/linker_scripts/link.lds
+++ b/bsp/stm32/libraries/templates/stm32f10x/board/linker_scripts/link.lds
@@ -46,6 +46,14 @@ SECTIONS
         __rt_init_end = .;
 
         . = ALIGN(4);
+
+        PROVIDE(__ctors_start__ = .);
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        PROVIDE(__ctors_end__ = .);
+
+        . = ALIGN(4);
+
         _etext = .;
     } > ROM = 0
 
@@ -72,6 +80,11 @@ SECTIONS
         *(.data.*)
         *(.gnu.linkonce.d*)
 
+        PROVIDE(__dtors_start__ = .);
+        KEEP(*(SORT(.dtors.*)))
+        KEEP(*(.dtors))
+        PROVIDE(__dtors_end__ = .);
+
         . = ALIGN(4);
         /* This is used by the startup in order to initialize the .data secion */
         _edata = . ;
diff --git a/bsp/stm32/libraries/templates/stm32f10x/rtconfig.py b/bsp/stm32/libraries/templates/stm32f10x/rtconfig.py
index 40826ac99..c6d16622d 100644
--- a/bsp/stm32/libraries/templates/stm32f10x/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f10x/rtconfig.py
@@ -44,7 +44,7 @@ if PLATFORM == 'gcc':
     OBJCPY = PREFIX + 'objcopy'
 
     DEVICE = ' -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections'
-    CFLAGS = DEVICE + ' -std=c99 -Dgcc'
+    CFLAGS = DEVICE + ' -Dgcc'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
     LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'
 
@@ -57,11 +57,15 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
 elif PLATFORM == 'armcc':
     # toolchains
     CC = 'armcc'
+    CXX = 'armcc'
     AS = 'armasm'
     AR = 'armar'
     LINK = 'armlink'
@@ -85,11 +89,15 @@ elif PLATFORM == 'armcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
+    CXX = 'iccarm'
     AS = 'iasmarm'
     AR = 'iarchive'
     LINK = 'ilinkarm'
@@ -130,5 +138,7 @@ elif PLATFORM == 'iar':
     LFLAGS = ' --config "board/linker_scripts/link.icf"'
     LFLAGS += ' --entry __iar_program_start'
 
+    CXXFLAGS = CFLAGS
+    
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
diff --git a/bsp/stm32/libraries/templates/stm32f4xx/SConstruct b/bsp/stm32/libraries/templates/stm32f4xx/SConstruct
index 1101c708b..629f25c6e 100644
--- a/bsp/stm32/libraries/templates/stm32f4xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f4xx/SConstruct
@@ -21,6 +21,7 @@ env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
+    CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
diff --git a/bsp/stm32/libraries/templates/stm32f4xx/board/linker_scripts/link.lds b/bsp/stm32/libraries/templates/stm32f4xx/board/linker_scripts/link.lds
index c6fe92740..50169db32 100644
--- a/bsp/stm32/libraries/templates/stm32f4xx/board/linker_scripts/link.lds
+++ b/bsp/stm32/libraries/templates/stm32f4xx/board/linker_scripts/link.lds
@@ -47,6 +47,14 @@ SECTIONS
         __rt_init_end = .;
 
         . = ALIGN(4);
+
+        PROVIDE(__ctors_start__ = .);
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        PROVIDE(__ctors_end__ = .);
+
+        . = ALIGN(4);
+
         _etext = .;
     } > ROM = 0
 
@@ -73,6 +81,11 @@ SECTIONS
         *(.data.*)
         *(.gnu.linkonce.d*)
 
+        PROVIDE(__dtors_start__ = .);
+        KEEP(*(SORT(.dtors.*)))
+        KEEP(*(.dtors))
+        PROVIDE(__dtors_end__ = .);
+
         . = ALIGN(4);
         /* This is used by the startup in order to initialize the .data secion */
         _edata = . ;
diff --git a/bsp/stm32/libraries/templates/stm32f4xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32f4xx/rtconfig.py
index 3241586f6..4a9fe33ce 100644
--- a/bsp/stm32/libraries/templates/stm32f4xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f4xx/rtconfig.py
@@ -44,7 +44,7 @@ if PLATFORM == 'gcc':
     OBJCPY = PREFIX + 'objcopy'
 
     DEVICE = ' -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
-    CFLAGS = DEVICE + ' -std=c99 -Dgcc'
+    CFLAGS = DEVICE + ' -Dgcc'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
     LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'
 
@@ -57,11 +57,15 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
 elif PLATFORM == 'armcc':
     # toolchains
     CC = 'armcc'
+    CXX = 'armcc'
     AS = 'armasm'
     AR = 'armar'
     LINK = 'armlink'
@@ -85,11 +89,15 @@ elif PLATFORM == 'armcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
+    CXX = 'iccarm'
     AS = 'iasmarm'
     AR = 'iarchive'
     LINK = 'ilinkarm'
@@ -130,5 +138,7 @@ elif PLATFORM == 'iar':
     LFLAGS = ' --config "board/linker_scripts/link.icf"'
     LFLAGS += ' --entry __iar_program_start'
 
+    CXXFLAGS = CFLAGS
+    
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
diff --git a/bsp/stm32/libraries/templates/stm32f7xx/SConstruct b/bsp/stm32/libraries/templates/stm32f7xx/SConstruct
index b6053d64c..012e6b41b 100644
--- a/bsp/stm32/libraries/templates/stm32f7xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f7xx/SConstruct
@@ -21,6 +21,7 @@ env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
+    CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
diff --git a/bsp/stm32/libraries/templates/stm32f7xx/board/linker_scripts/link.lds b/bsp/stm32/libraries/templates/stm32f7xx/board/linker_scripts/link.lds
index c6fe92740..50169db32 100644
--- a/bsp/stm32/libraries/templates/stm32f7xx/board/linker_scripts/link.lds
+++ b/bsp/stm32/libraries/templates/stm32f7xx/board/linker_scripts/link.lds
@@ -47,6 +47,14 @@ SECTIONS
         __rt_init_end = .;
 
         . = ALIGN(4);
+
+        PROVIDE(__ctors_start__ = .);
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        PROVIDE(__ctors_end__ = .);
+
+        . = ALIGN(4);
+
         _etext = .;
     } > ROM = 0
 
@@ -73,6 +81,11 @@ SECTIONS
         *(.data.*)
         *(.gnu.linkonce.d*)
 
+        PROVIDE(__dtors_start__ = .);
+        KEEP(*(SORT(.dtors.*)))
+        KEEP(*(.dtors))
+        PROVIDE(__dtors_end__ = .);
+
         . = ALIGN(4);
         /* This is used by the startup in order to initialize the .data secion */
         _edata = . ;
diff --git a/bsp/stm32/libraries/templates/stm32f7xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32f7xx/rtconfig.py
index 5b01587ff..51fdf4d64 100644
--- a/bsp/stm32/libraries/templates/stm32f7xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f7xx/rtconfig.py
@@ -44,7 +44,7 @@ if PLATFORM == 'gcc':
     OBJCPY = PREFIX + 'objcopy'
 
     DEVICE = ' -mcpu=cortex-m7 -mthumb -mfpu=fpv5-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
-    CFLAGS = DEVICE + ' -std=c99 -Dgcc'
+    CFLAGS = DEVICE + ' -Dgcc'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
     LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'
 
@@ -57,11 +57,15 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
 elif PLATFORM == 'armcc':
     # toolchains
     CC = 'armcc'
+    CXX = 'armcc'
     AS = 'armasm'
     AR = 'armar'
     LINK = 'armlink'
@@ -85,12 +89,14 @@ elif PLATFORM == 'armcc':
     else:
         CFLAGS += ' -O2'
 
-    CXXFLAGS = CFLAGS
+    CXXFLAGS = CFLAGS 
+    
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
+    CXX = 'iccarm'
     AS = 'iasmarm'
     AR = 'iarchive'
     LINK = 'ilinkarm'
@@ -131,5 +137,7 @@ elif PLATFORM == 'iar':
     LFLAGS = ' --config "board/linker_scripts/link.icf"'
     LFLAGS += ' --entry __iar_program_start'
 
+    CXXFLAGS = CFLAGS
+    
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
diff --git a/bsp/stm32/libraries/templates/stm32l4xx/SConstruct b/bsp/stm32/libraries/templates/stm32l4xx/SConstruct
index e1989a9d8..58a36adbf 100644
--- a/bsp/stm32/libraries/templates/stm32l4xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32l4xx/SConstruct
@@ -21,6 +21,7 @@ env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
+    CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
diff --git a/bsp/stm32/libraries/templates/stm32l4xx/board/linker_scripts/link.lds b/bsp/stm32/libraries/templates/stm32l4xx/board/linker_scripts/link.lds
index 2d009e649..d58eaf110 100644
--- a/bsp/stm32/libraries/templates/stm32l4xx/board/linker_scripts/link.lds
+++ b/bsp/stm32/libraries/templates/stm32l4xx/board/linker_scripts/link.lds
@@ -46,6 +46,14 @@ SECTIONS
         __rt_init_end = .;
 
         . = ALIGN(4);
+
+        PROVIDE(__ctors_start__ = .);
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        PROVIDE(__ctors_end__ = .);
+
+        . = ALIGN(4);
+
         _etext = .;
     } > ROM = 0
 
@@ -72,6 +80,11 @@ SECTIONS
         *(.data.*)
         *(.gnu.linkonce.d*)
 
+        PROVIDE(__dtors_start__ = .);
+        KEEP(*(SORT(.dtors.*)))
+        KEEP(*(.dtors))
+        PROVIDE(__dtors_end__ = .);
+
         . = ALIGN(4);
         /* This is used by the startup in order to initialize the .data secion */
         _edata = . ;
diff --git a/bsp/stm32/libraries/templates/stm32l4xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32l4xx/rtconfig.py
index d632114e2..ae800430f 100644
--- a/bsp/stm32/libraries/templates/stm32l4xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32l4xx/rtconfig.py
@@ -44,7 +44,7 @@ if PLATFORM == 'gcc':
     OBJCPY = PREFIX + 'objcopy'
 
     DEVICE = ' -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
-    CFLAGS = DEVICE + ' -std=c99 -Dgcc'
+    CFLAGS = DEVICE + ' -Dgcc'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
     LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'
 
@@ -57,11 +57,15 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
 elif PLATFORM == 'armcc':
     # toolchains
     CC = 'armcc'
+    CXX = 'armcc'
     AS = 'armasm'
     AR = 'armar'
     LINK = 'armlink'
@@ -85,11 +89,15 @@ elif PLATFORM == 'armcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
+    CXX = 'iccarm'
     AS = 'iasmarm'
     AR = 'iarchive'
     LINK = 'ilinkarm'
@@ -130,5 +138,7 @@ elif PLATFORM == 'iar':
     LFLAGS = ' --config "board/linker_scripts/link.icf"'
     LFLAGS += ' --entry __iar_program_start'
 
+    CXXFLAGS = CFLAGS
+    
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
-- 
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