diff --git a/bsp/gd32/arm/gd32103c-eval/SConstruct b/bsp/gd32/arm/gd32103c-eval/SConstruct
index ca839efaac7..716ee1a5ebb 100644
--- a/bsp/gd32/arm/gd32103c-eval/SConstruct
+++ b/bsp/gd32/arm/gd32103c-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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32105c-eval/SConstruct b/bsp/gd32/arm/gd32105c-eval/SConstruct
index ca839efaac7..716ee1a5ebb 100644
--- a/bsp/gd32/arm/gd32105c-eval/SConstruct
+++ b/bsp/gd32/arm/gd32105c-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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32105r-start/SConstruct b/bsp/gd32/arm/gd32105r-start/SConstruct
index ca839efaac7..716ee1a5ebb 100644
--- a/bsp/gd32/arm/gd32105r-start/SConstruct
+++ b/bsp/gd32/arm/gd32105r-start/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32107c-eval/SConstruct b/bsp/gd32/arm/gd32107c-eval/SConstruct
index ca839efaac7..716ee1a5ebb 100644
--- a/bsp/gd32/arm/gd32107c-eval/SConstruct
+++ b/bsp/gd32/arm/gd32107c-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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32205r-start/SConstruct b/bsp/gd32/arm/gd32205r-start/SConstruct
index acf379fa372..75be5987fd8 100644
--- a/bsp/gd32/arm/gd32205r-start/SConstruct
+++ b/bsp/gd32/arm/gd32205r-start/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32207i-eval/SConstruct b/bsp/gd32/arm/gd32207i-eval/SConstruct
index acf379fa372..75be5987fd8 100644
--- a/bsp/gd32/arm/gd32207i-eval/SConstruct
+++ b/bsp/gd32/arm/gd32207i-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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32303c-start/SConstruct b/bsp/gd32/arm/gd32303c-start/SConstruct
index a69485b2a13..5038f72e4c2 100644
--- a/bsp/gd32/arm/gd32303c-start/SConstruct
+++ b/bsp/gd32/arm/gd32303c-start/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32303e-eval/SConstruct b/bsp/gd32/arm/gd32303e-eval/SConstruct
index a69485b2a13..5038f72e4c2 100644
--- a/bsp/gd32/arm/gd32303e-eval/SConstruct
+++ b/bsp/gd32/arm/gd32303e-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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32305r-start/SConstruct b/bsp/gd32/arm/gd32305r-start/SConstruct
index a69485b2a13..5038f72e4c2 100644
--- a/bsp/gd32/arm/gd32305r-start/SConstruct
+++ b/bsp/gd32/arm/gd32305r-start/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32307e-start/SConstruct b/bsp/gd32/arm/gd32307e-start/SConstruct
index a69485b2a13..5038f72e4c2 100644
--- a/bsp/gd32/arm/gd32307e-start/SConstruct
+++ b/bsp/gd32/arm/gd32307e-start/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32407v-lckfb/SConstruct b/bsp/gd32/arm/gd32407v-lckfb/SConstruct
index 0701e74ed55..ae4f8f787c5 100644
--- a/bsp/gd32/arm/gd32407v-lckfb/SConstruct
+++ b/bsp/gd32/arm/gd32407v-lckfb/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32407v-start/SConstruct b/bsp/gd32/arm/gd32407v-start/SConstruct
index 0701e74ed55..ae4f8f787c5 100644
--- a/bsp/gd32/arm/gd32407v-start/SConstruct
+++ b/bsp/gd32/arm/gd32407v-start/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32450z-eval/SConstruct b/bsp/gd32/arm/gd32450z-eval/SConstruct
index 0701e74ed55..ae4f8f787c5 100644
--- a/bsp/gd32/arm/gd32450z-eval/SConstruct
+++ b/bsp/gd32/arm/gd32450z-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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32470z-lckfb/SConstruct b/bsp/gd32/arm/gd32470z-lckfb/SConstruct
index 0701e74ed55..ae4f8f787c5 100644
--- a/bsp/gd32/arm/gd32470z-lckfb/SConstruct
+++ b/bsp/gd32/arm/gd32470z-lckfb/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/arm/gd32e503v-eval/SConstruct b/bsp/gd32/arm/gd32e503v-eval/SConstruct
index 5f786445df1..c208ab01f37 100644
--- a/bsp/gd32/arm/gd32e503v-eval/SConstruct
+++ b/bsp/gd32/arm/gd32e503v-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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/risc-v/gd32vf103r-start/SConstruct b/bsp/gd32/risc-v/gd32vf103r-start/SConstruct
index dac46990a1a..c21c14eac05 100644
--- a/bsp/gd32/risc-v/gd32vf103r-start/SConstruct
+++ b/bsp/gd32/risc-v/gd32vf103r-start/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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
diff --git a/bsp/gd32/risc-v/gd32vf103v-eval/SConstruct b/bsp/gd32/risc-v/gd32vf103v-eval/SConstruct
index dac46990a1a..c21c14eac05 100644
--- a/bsp/gd32/risc-v/gd32vf103v-eval/SConstruct
+++ b/bsp/gd32/risc-v/gd32vf103v-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, CCFLAGS = rtconfig.CFLAGS,
+    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
     CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)