diff --git a/bsp/lpc43xx/M0/rtconfig.py b/bsp/lpc43xx/M0/rtconfig.py
index f6e58476e5..e998c27fe1 100644
--- a/bsp/lpc43xx/M0/rtconfig.py
+++ b/bsp/lpc43xx/M0/rtconfig.py
@@ -44,7 +44,7 @@ if PLATFORM == 'gcc':
     SIZE = PREFIX + 'size'
     OBJDUMP = PREFIX + 'objdump'
     OBJCPY = PREFIX + 'objcopy'
-    DEVICE = ' -mthumb -mcpu=cortex-m0 -ffunction-sections -fdata-sections'
+    DEVICE = ' -mthumb -mcpu=cortex-m0 -ffunction-sections -fdata-sections -Wall'
     CFLAGS = DEVICE
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
     LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lpc43xx.map,-cref,-u,Reset_Handler -T rtthread-lpc43xx.ld'
diff --git a/bsp/lpc43xx/M4/rtconfig.py b/bsp/lpc43xx/M4/rtconfig.py
index f73811f23d..1cbaacf650 100644
--- a/bsp/lpc43xx/M4/rtconfig.py
+++ b/bsp/lpc43xx/M4/rtconfig.py
@@ -48,7 +48,7 @@ if PLATFORM == 'gcc':
     SIZE = PREFIX + 'size'
     OBJDUMP = PREFIX + 'objdump'
     OBJCPY = PREFIX + 'objcopy'
-    DEVICE = ' -mcpu=' + CPU + ' -mthumb -ffunction-sections -fdata-sections'
+    DEVICE = ' -mcpu=' + CPU + ' -mthumb -ffunction-sections -fdata-sections -Wall'
     if USE_CORE == 'CORE_M4':
         DEVICE += ' -mfpu=fpv4-sp-d16 -mfloat-abi=softfp'
     CFLAGS = DEVICE