10 files changed, 20 insertions, 20 deletions
diff --git a/testhal/STM32/STM32F37x/ADC/Makefile b/testhal/STM32/STM32F37x/ADC/Makefile
index 6d6acd26a..4cb6e02b7 100644
--- a/testhal/STM32/STM32F37x/ADC/Makefile
+++ b/testhal/STM32/STM32F37x/ADC/Makefile
@@ -180,10 +180,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/CAN/Makefile b/testhal/STM32/STM32F37x/CAN/Makefile
index 6d6acd26a..4cb6e02b7 100644
--- a/testhal/STM32/STM32F37x/CAN/Makefile
+++ b/testhal/STM32/STM32F37x/CAN/Makefile
@@ -180,10 +180,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/EXT/Makefile b/testhal/STM32/STM32F37x/EXT/Makefile
index 6d6acd26a..4cb6e02b7 100644
--- a/testhal/STM32/STM32F37x/EXT/Makefile
+++ b/testhal/STM32/STM32F37x/EXT/Makefile
@@ -180,10 +180,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/I2C/Makefile b/testhal/STM32/STM32F37x/I2C/Makefile
index 6d6acd26a..4cb6e02b7 100644
--- a/testhal/STM32/STM32F37x/I2C/Makefile
+++ b/testhal/STM32/STM32F37x/I2C/Makefile
@@ -180,10 +180,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/IRQ_STORM/Makefile b/testhal/STM32/STM32F37x/IRQ_STORM/Makefile
index 0914d41f8..e65a37279 100644
--- a/testhal/STM32/STM32F37x/IRQ_STORM/Makefile
+++ b/testhal/STM32/STM32F37x/IRQ_STORM/Makefile
@@ -185,10 +185,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/PWM-ICU/Makefile b/testhal/STM32/STM32F37x/PWM-ICU/Makefile
index 6d6acd26a..4cb6e02b7 100644
--- a/testhal/STM32/STM32F37x/PWM-ICU/Makefile
+++ b/testhal/STM32/STM32F37x/PWM-ICU/Makefile
@@ -180,10 +180,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/SDADC/Makefile b/testhal/STM32/STM32F37x/SDADC/Makefile
index 6d6acd26a..4cb6e02b7 100644
--- a/testhal/STM32/STM32F37x/SDADC/Makefile
+++ b/testhal/STM32/STM32F37x/SDADC/Makefile
@@ -180,10 +180,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/SPI/Makefile b/testhal/STM32/STM32F37x/SPI/Makefile
index 6d6acd26a..4cb6e02b7 100644
--- a/testhal/STM32/STM32F37x/SPI/Makefile
+++ b/testhal/STM32/STM32F37x/SPI/Makefile
@@ -180,10 +180,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/UART/Makefile b/testhal/STM32/STM32F37x/UART/Makefile
index 6d6acd26a..4cb6e02b7 100644
--- a/testhal/STM32/STM32F37x/UART/Makefile
+++ b/testhal/STM32/STM32F37x/UART/Makefile
@@ -180,10 +180,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings
diff --git a/testhal/STM32/STM32F37x/USB_CDC/Makefile b/testhal/STM32/STM32F37x/USB_CDC/Makefile
index 9151f14c7..9c77aed43 100644
--- a/testhal/STM32/STM32F37x/USB_CDC/Makefile
+++ b/testhal/STM32/STM32F37x/USB_CDC/Makefile
@@ -183,10 +183,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wextra -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall -Wextra
+CPPWARN = -Wall -Wextra -Wundef
 
 #
 # Compiler settings