Merge pull request #5178 from RT-Thread/revert-5171-ccflags

Revert "Fix compiler flags issue"

78 files changed, 78 insertions, 78 deletions

diff --git a/bsp/stm32/libraries/templates/stm32f0xx/SConstruct b/bsp/stm32/libraries/templates/stm32f0xx/SConstruct
index 30fcf0f2f3..30f7822723 100644
--- a/bsp/stm32/libraries/templates/stm32f0xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f0xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32f10x/SConstruct b/bsp/stm32/libraries/templates/stm32f10x/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/libraries/templates/stm32f10x/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f10x/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32f2xx/SConstruct b/bsp/stm32/libraries/templates/stm32f2xx/SConstruct
index b30419eeeb..bb2db4fecf 100644
--- a/bsp/stm32/libraries/templates/stm32f2xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f2xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32f3xx/SConstruct b/bsp/stm32/libraries/templates/stm32f3xx/SConstruct
index 473cb31a9c..c213e833ee 100644
--- a/bsp/stm32/libraries/templates/stm32f3xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f3xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32f4xx/SConstruct b/bsp/stm32/libraries/templates/stm32f4xx/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/libraries/templates/stm32f4xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f4xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32f7xx/SConstruct b/bsp/stm32/libraries/templates/stm32f7xx/SConstruct
index 439cd3bb4d..050835a35a 100644
--- a/bsp/stm32/libraries/templates/stm32f7xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32f7xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32h7xx/SConstruct b/bsp/stm32/libraries/templates/stm32h7xx/SConstruct
index d4805c856c..48974d990f 100644
--- a/bsp/stm32/libraries/templates/stm32h7xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32h7xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32l1xx/SConstruct b/bsp/stm32/libraries/templates/stm32l1xx/SConstruct
index 71044d586d..43fc489d6f 100644
--- a/bsp/stm32/libraries/templates/stm32l1xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32l1xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32l4xx/SConstruct b/bsp/stm32/libraries/templates/stm32l4xx/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/libraries/templates/stm32l4xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32l4xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32mp1xx/SConstruct b/bsp/stm32/libraries/templates/stm32mp1xx/SConstruct
index fa3993fd26..e1481a896b 100644
--- a/bsp/stm32/libraries/templates/stm32mp1xx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32mp1xx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/libraries/templates/stm32wbxx/SConstruct b/bsp/stm32/libraries/templates/stm32wbxx/SConstruct
index ce747c2a71..f449461f3a 100644
--- a/bsp/stm32/libraries/templates/stm32wbxx/SConstruct
+++ b/bsp/stm32/libraries/templates/stm32wbxx/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f072-st-nucleo/SConstruct b/bsp/stm32/stm32f072-st-nucleo/SConstruct
index f27deeff97..593ea85d6f 100644
--- a/bsp/stm32/stm32f072-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f072-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread_acm32f030.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f091-st-nucleo/SConstruct b/bsp/stm32/stm32f091-st-nucleo/SConstruct
index 30fcf0f2f3..30f7822723 100644
--- a/bsp/stm32/stm32f091-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f091-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-atk-nano/SConstruct b/bsp/stm32/stm32f103-atk-nano/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f103-atk-nano/SConstruct
+++ b/bsp/stm32/stm32f103-atk-nano/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-atk-warshipv3/SConstruct b/bsp/stm32/stm32f103-atk-warshipv3/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f103-atk-warshipv3/SConstruct
+++ b/bsp/stm32/stm32f103-atk-warshipv3/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-blue-pill/SConstruct b/bsp/stm32/stm32f103-blue-pill/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f103-blue-pill/SConstruct
+++ b/bsp/stm32/stm32f103-blue-pill/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-dofly-M3S/SConstruct b/bsp/stm32/stm32f103-dofly-M3S/SConstruct
index 382a5ff821..64aeaadb38 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/SConstruct
+++ b/bsp/stm32/stm32f103-dofly-M3S/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-dofly-lyc8/SConstruct b/bsp/stm32/stm32f103-dofly-lyc8/SConstruct
index dad6f2da99..a82a39499e 100644
--- a/bsp/stm32/stm32f103-dofly-lyc8/SConstruct
+++ b/bsp/stm32/stm32f103-dofly-lyc8/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-fire-arbitrary/SConstruct b/bsp/stm32/stm32f103-fire-arbitrary/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f103-fire-arbitrary/SConstruct
+++ b/bsp/stm32/stm32f103-fire-arbitrary/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-gizwits-gokitv21/SConstruct b/bsp/stm32/stm32f103-gizwits-gokitv21/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f103-gizwits-gokitv21/SConstruct
+++ b/bsp/stm32/stm32f103-gizwits-gokitv21/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-hw100k-ibox/SConstruct b/bsp/stm32/stm32f103-hw100k-ibox/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f103-hw100k-ibox/SConstruct
+++ b/bsp/stm32/stm32f103-hw100k-ibox/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-onenet-nbiot/SConstruct b/bsp/stm32/stm32f103-onenet-nbiot/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f103-onenet-nbiot/SConstruct
+++ b/bsp/stm32/stm32f103-onenet-nbiot/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f103-yf-ufun/SConstruct b/bsp/stm32/stm32f103-yf-ufun/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f103-yf-ufun/SConstruct
+++ b/bsp/stm32/stm32f103-yf-ufun/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f107-uc-eval/SConstruct b/bsp/stm32/stm32f107-uc-eval/SConstruct
index aa4912f754..1a9f419db5 100644
--- a/bsp/stm32/stm32f107-uc-eval/SConstruct
+++ b/bsp/stm32/stm32f107-uc-eval/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f207-st-nucleo/SConstruct b/bsp/stm32/stm32f207-st-nucleo/SConstruct
index 459617fac2..c0afbd9669 100644
--- a/bsp/stm32/stm32f207-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f207-st-nucleo/SConstruct
@@ -24,7 +24,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f302-st-nucleo/SConstruct b/bsp/stm32/stm32f302-st-nucleo/SConstruct
index 473cb31a9c..c213e833ee 100644
--- a/bsp/stm32/stm32f302-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f302-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f401-st-nucleo/SConstruct b/bsp/stm32/stm32f401-st-nucleo/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f401-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f401-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f405-smdz-breadfruit/SConstruct b/bsp/stm32/stm32f405-smdz-breadfruit/SConstruct
index e89d52b734..6fbf23c9cf 100644
--- a/bsp/stm32/stm32f405-smdz-breadfruit/SConstruct
+++ b/bsp/stm32/stm32f405-smdz-breadfruit/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f407-armfly-v5/SConstruct b/bsp/stm32/stm32f407-armfly-v5/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f407-armfly-v5/SConstruct
+++ b/bsp/stm32/stm32f407-armfly-v5/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f407-atk-explorer/SConstruct b/bsp/stm32/stm32f407-atk-explorer/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f407-atk-explorer/SConstruct
+++ b/bsp/stm32/stm32f407-atk-explorer/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f407-robomaster-c/SConstruct b/bsp/stm32/stm32f407-robomaster-c/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f407-robomaster-c/SConstruct
+++ b/bsp/stm32/stm32f407-robomaster-c/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f407-st-discovery/SConstruct b/bsp/stm32/stm32f407-st-discovery/SConstruct
index d2afd56b8b..1684dc06b0 100644
--- a/bsp/stm32/stm32f407-st-discovery/SConstruct
+++ b/bsp/stm32/stm32f407-st-discovery/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f410-st-nucleo/SConstruct b/bsp/stm32/stm32f410-st-nucleo/SConstruct
index d2afd56b8b..1684dc06b0 100644
--- a/bsp/stm32/stm32f410-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f410-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f411-atk-nano/SConstruct b/bsp/stm32/stm32f411-atk-nano/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f411-atk-nano/SConstruct
+++ b/bsp/stm32/stm32f411-atk-nano/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f411-st-nucleo/SConstruct b/bsp/stm32/stm32f411-st-nucleo/SConstruct
index d2afd56b8b..1684dc06b0 100644
--- a/bsp/stm32/stm32f411-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f411-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f411-weact-MiniF4/SConstruct b/bsp/stm32/stm32f411-weact-MiniF4/SConstruct
index d2afd56b8b..1684dc06b0 100644
--- a/bsp/stm32/stm32f411-weact-MiniF4/SConstruct
+++ b/bsp/stm32/stm32f411-weact-MiniF4/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f412-st-nucleo/SConstruct b/bsp/stm32/stm32f412-st-nucleo/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f412-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f412-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f413-st-nucleo/SConstruct b/bsp/stm32/stm32f413-st-nucleo/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f413-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f413-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f427-robomaster-a/SConstruct b/bsp/stm32/stm32f427-robomaster-a/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f427-robomaster-a/SConstruct
+++ b/bsp/stm32/stm32f427-robomaster-a/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f429-armfly-v6/SConstruct b/bsp/stm32/stm32f429-armfly-v6/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f429-armfly-v6/SConstruct
+++ b/bsp/stm32/stm32f429-armfly-v6/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f429-atk-apollo/SConstruct b/bsp/stm32/stm32f429-atk-apollo/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f429-atk-apollo/SConstruct
+++ b/bsp/stm32/stm32f429-atk-apollo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f429-fire-challenger/SConstruct b/bsp/stm32/stm32f429-fire-challenger/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f429-fire-challenger/SConstruct
+++ b/bsp/stm32/stm32f429-fire-challenger/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f429-st-disco/SConstruct b/bsp/stm32/stm32f429-st-disco/SConstruct
index d2afd56b8b..1684dc06b0 100644
--- a/bsp/stm32/stm32f429-st-disco/SConstruct
+++ b/bsp/stm32/stm32f429-st-disco/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f446-st-nucleo/SConstruct b/bsp/stm32/stm32f446-st-nucleo/SConstruct
index 175b843fa5..945cb55a52 100644
--- a/bsp/stm32/stm32f446-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f446-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f469-st-disco/SConstruct b/bsp/stm32/stm32f469-st-disco/SConstruct
index d2afd56b8b..1684dc06b0 100644
--- a/bsp/stm32/stm32f469-st-disco/SConstruct
+++ b/bsp/stm32/stm32f469-st-disco/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f746-st-disco/SConstruct b/bsp/stm32/stm32f746-st-disco/SConstruct
index 439cd3bb4d..050835a35a 100644
--- a/bsp/stm32/stm32f746-st-disco/SConstruct
+++ b/bsp/stm32/stm32f746-st-disco/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f746-st-nucleo/SConstruct b/bsp/stm32/stm32f746-st-nucleo/SConstruct
index 439cd3bb4d..050835a35a 100644
--- a/bsp/stm32/stm32f746-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f746-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f767-atk-apollo/SConstruct b/bsp/stm32/stm32f767-atk-apollo/SConstruct
index 439cd3bb4d..050835a35a 100644
--- a/bsp/stm32/stm32f767-atk-apollo/SConstruct
+++ b/bsp/stm32/stm32f767-atk-apollo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f767-fire-challenger-v1/SConstruct b/bsp/stm32/stm32f767-fire-challenger-v1/SConstruct
index 439cd3bb4d..050835a35a 100644
--- a/bsp/stm32/stm32f767-fire-challenger-v1/SConstruct
+++ b/bsp/stm32/stm32f767-fire-challenger-v1/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f767-st-nucleo/SConstruct b/bsp/stm32/stm32f767-st-nucleo/SConstruct
index 439cd3bb4d..050835a35a 100644
--- a/bsp/stm32/stm32f767-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32f767-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32f769-st-disco/SConstruct b/bsp/stm32/stm32f769-st-disco/SConstruct
index 439cd3bb4d..050835a35a 100644
--- a/bsp/stm32/stm32f769-st-disco/SConstruct
+++ b/bsp/stm32/stm32f769-st-disco/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32g070-st-nucleo/SConstruct b/bsp/stm32/stm32g070-st-nucleo/SConstruct
index d7bfd24e31..96fd191077 100644
--- a/bsp/stm32/stm32g070-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32g070-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32g071-st-nucleo/SConstruct b/bsp/stm32/stm32g071-st-nucleo/SConstruct
index d7bfd24e31..96fd191077 100644
--- a/bsp/stm32/stm32g071-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32g071-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32g431-st-nucleo/SConstruct b/bsp/stm32/stm32g431-st-nucleo/SConstruct
index 53bb227366..d32015f991 100644
--- a/bsp/stm32/stm32g431-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32g431-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32h743-atk-apollo/SConstruct b/bsp/stm32/stm32h743-atk-apollo/SConstruct
index 76ca732464..a7cc0cb251 100644
--- a/bsp/stm32/stm32h743-atk-apollo/SConstruct
+++ b/bsp/stm32/stm32h743-atk-apollo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32h743-st-nucleo/SConstruct b/bsp/stm32/stm32h743-st-nucleo/SConstruct
index d4805c856c..48974d990f 100644
--- a/bsp/stm32/stm32h743-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32h743-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32h747-st-discovery/SConstruct b/bsp/stm32/stm32h747-st-discovery/SConstruct
index d4805c856c..48974d990f 100644
--- a/bsp/stm32/stm32h747-st-discovery/SConstruct
+++ b/bsp/stm32/stm32h747-st-discovery/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32h750-armfly-h7-tool/SConstruct b/bsp/stm32/stm32h750-armfly-h7-tool/SConstruct
index d4805c856c..48974d990f 100644
--- a/bsp/stm32/stm32h750-armfly-h7-tool/SConstruct
+++ b/bsp/stm32/stm32h750-armfly-h7-tool/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32h750-artpi-h750/SConstruct b/bsp/stm32/stm32h750-artpi-h750/SConstruct
index d4805c856c..48974d990f 100644
--- a/bsp/stm32/stm32h750-artpi-h750/SConstruct
+++ b/bsp/stm32/stm32h750-artpi-h750/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l010-st-nucleo/SConstruct b/bsp/stm32/stm32l010-st-nucleo/SConstruct
index 5260453150..5fcb889bc2 100644
--- a/bsp/stm32/stm32l010-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l010-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l053-st-nucleo/SConstruct b/bsp/stm32/stm32l053-st-nucleo/SConstruct
index 5260453150..5fcb889bc2 100644
--- a/bsp/stm32/stm32l053-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l053-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l412-st-nucleo/SConstruct b/bsp/stm32/stm32l412-st-nucleo/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/stm32l412-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l412-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l431-BearPi/SConstruct b/bsp/stm32/stm32l431-BearPi/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/stm32l431-BearPi/SConstruct
+++ b/bsp/stm32/stm32l431-BearPi/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l432-st-nucleo/SConstruct b/bsp/stm32/stm32l432-st-nucleo/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/stm32l432-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l432-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l433-st-nucleo/SConstruct b/bsp/stm32/stm32l433-st-nucleo/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/stm32l433-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l433-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l452-st-nucleo/SConstruct b/bsp/stm32/stm32l452-st-nucleo/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/stm32l452-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l452-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l475-atk-pandora/SConstruct b/bsp/stm32/stm32l475-atk-pandora/SConstruct
index 89eaa4c9b0..cf635771c0 100644
--- a/bsp/stm32/stm32l475-atk-pandora/SConstruct
+++ b/bsp/stm32/stm32l475-atk-pandora/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l475-st-discovery/SConstruct b/bsp/stm32/stm32l475-st-discovery/SConstruct
index 88a5cea577..44df6b339e 100644
--- a/bsp/stm32/stm32l475-st-discovery/SConstruct
+++ b/bsp/stm32/stm32l475-st-discovery/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l476-st-nucleo/SConstruct b/bsp/stm32/stm32l476-st-nucleo/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/stm32l476-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l476-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l496-ali-developer/SConstruct b/bsp/stm32/stm32l496-ali-developer/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/stm32l496-ali-developer/SConstruct
+++ b/bsp/stm32/stm32l496-ali-developer/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l496-st-nucleo/SConstruct b/bsp/stm32/stm32l496-st-nucleo/SConstruct
index 69420b23c3..c4b3facad7 100644
--- a/bsp/stm32/stm32l496-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l496-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l4r5-st-nucleo/SConstruct b/bsp/stm32/stm32l4r5-st-nucleo/SConstruct
index d48584bf43..58a36adbfc 100644
--- a/bsp/stm32/stm32l4r5-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32l4r5-st-nucleo/SConstruct
@@ -19,7 +19,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l4r9-st-eval/SConstruct b/bsp/stm32/stm32l4r9-st-eval/SConstruct
index 88a5cea577..44df6b339e 100644
--- a/bsp/stm32/stm32l4r9-st-eval/SConstruct
+++ b/bsp/stm32/stm32l4r9-st-eval/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32l4r9-st-sensortile-box/SConstruct b/bsp/stm32/stm32l4r9-st-sensortile-box/SConstruct
index 88a5cea577..44df6b339e 100644
--- a/bsp/stm32/stm32l4r9-st-sensortile-box/SConstruct
+++ b/bsp/stm32/stm32l4r9-st-sensortile-box/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32mp157a-st-discovery/SConstruct b/bsp/stm32/stm32mp157a-st-discovery/SConstruct
index fa3993fd26..e1481a896b 100644
--- a/bsp/stm32/stm32mp157a-st-discovery/SConstruct
+++ b/bsp/stm32/stm32mp157a-st-discovery/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32mp157a-st-ev1/SConstruct b/bsp/stm32/stm32mp157a-st-ev1/SConstruct
index fa3993fd26..e1481a896b 100644
--- a/bsp/stm32/stm32mp157a-st-ev1/SConstruct
+++ b/bsp/stm32/stm32mp157a-st-ev1/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32wb55-st-nucleo/SConstruct b/bsp/stm32/stm32wb55-st-nucleo/SConstruct
index ce747c2a71..f449461f3a 100644
--- a/bsp/stm32/stm32wb55-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32wb55-st-nucleo/SConstruct
@@ -20,7 +20,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/stm32/stm32wl55-st-nucleo/SConstruct b/bsp/stm32/stm32wl55-st-nucleo/SConstruct
index 6061b52175..77e638a5eb 100644
--- a/bsp/stm32/stm32wl55-st-nucleo/SConstruct
+++ b/bsp/stm32/stm32wl55-st-nucleo/SConstruct
@@ -19,7 +19,7 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
 
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
-    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)