Update Doxygen documentation build scripts to fail if any warnings are generated.

git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@2101 d5102386-fcda-11dd-9fdb-3debd5008f28

89 files changed, 269 insertions, 89 deletions

diff --git a/Bootloaders/CDC/makefile b/Bootloaders/CDC/makefile
index 850d9dfc..1ebb6f8c 100644
--- a/Bootloaders/CDC/makefile
+++ b/Bootloaders/CDC/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Bootloaders/DFU/makefile b/Bootloaders/DFU/makefile
index 14cf3a46..078597e0 100644
--- a/Bootloaders/DFU/makefile
+++ b/Bootloaders/DFU/makefile
@@ -689,7 +689,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Bootloaders/HID/makefile b/Bootloaders/HID/makefile
index 853bcade..5bbb8708 100644
--- a/Bootloaders/HID/makefile
+++ b/Bootloaders/HID/makefile
@@ -686,7 +686,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/BuildTests/ModuleTest/makefile.avr8 b/BuildTests/ModuleTest/makefile.avr8
index f41470f7..b94ac50e 100644
--- a/BuildTests/ModuleTest/makefile.avr8
+++ b/BuildTests/ModuleTest/makefile.avr8
@@ -707,9 +707,12 @@ clean_list :
 

 doxygen:

 	@echo Generating Project Documentation \($(TARGET)\)...

-	@doxygen Doxygen.conf

+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \

+	  exit 1; \

+	fi;

 	@echo Documentation Generation Complete.

 

+

 clean_doxygen:

 	rm -rf Documentation

 

diff --git a/BuildTests/ModuleTest/makefile.uc3 b/BuildTests/ModuleTest/makefile.uc3
index ba3ec10b..3fa866c9 100644
--- a/BuildTests/ModuleTest/makefile.uc3
+++ b/BuildTests/ModuleTest/makefile.uc3
@@ -481,7 +481,9 @@ clean_list :
 

 doxygen:

 	@echo Generating Project Documentation \($(TARGET)\)...

-	@doxygen Doxygen.conf

+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \

+	  exit 1; \

+	fi;

 	@echo Documentation Generation Complete.

 

 clean_doxygen:

diff --git a/BuildTests/ModuleTest/makefile.xmega b/BuildTests/ModuleTest/makefile.xmega
index 054c6c85..a48cb1be 100644
--- a/BuildTests/ModuleTest/makefile.xmega
+++ b/BuildTests/ModuleTest/makefile.xmega
@@ -701,7 +701,9 @@ clean_list :
 

 doxygen:

 	@echo Generating Project Documentation \($(TARGET)\)...

-	@doxygen Doxygen.conf

+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \

+	  exit 1; \

+	fi;

 	@echo Documentation Generation Complete.

 

 clean_doxygen:

diff --git a/BuildTests/SingleUSBModeTest/makefile.avr8 b/BuildTests/SingleUSBModeTest/makefile.avr8
index c0c7dbaf..a7b69b58 100644
--- a/BuildTests/SingleUSBModeTest/makefile.avr8
+++ b/BuildTests/SingleUSBModeTest/makefile.avr8
@@ -691,7 +691,9 @@ clean_list :
 

 doxygen:

 	@echo Generating Project Documentation \($(TARGET)\)...

-	@doxygen Doxygen.conf

+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \

+	  exit 1; \

+	fi;

 	@echo Documentation Generation Complete.

 

 clean_doxygen:

diff --git a/BuildTests/SingleUSBModeTest/makefile.uc3 b/BuildTests/SingleUSBModeTest/makefile.uc3
index 33f2ffd2..4ffaf287 100644
--- a/BuildTests/SingleUSBModeTest/makefile.uc3
+++ b/BuildTests/SingleUSBModeTest/makefile.uc3
@@ -454,7 +454,9 @@ clean_list :
 

 doxygen:

 	@echo Generating Project Documentation \($(TARGET)\)...

-	@doxygen Doxygen.conf

+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \

+	  exit 1; \

+	fi;

 	@echo Documentation Generation Complete.

 

 clean_doxygen:

diff --git a/BuildTests/SingleUSBModeTest/makefile.xmega b/BuildTests/SingleUSBModeTest/makefile.xmega
index b56efbfa..f594d95b 100644
--- a/BuildTests/SingleUSBModeTest/makefile.xmega
+++ b/BuildTests/SingleUSBModeTest/makefile.xmega
@@ -673,7 +673,9 @@ clean_list :
 

 doxygen:

 	@echo Generating Project Documentation \($(TARGET)\)...

-	@doxygen Doxygen.conf

+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \

+	  exit 1; \

+	fi;

 	@echo Documentation Generation Complete.

 

 clean_doxygen:

diff --git a/BuildTests/StaticAnalysisTest/makefile b/BuildTests/StaticAnalysisTest/makefile
index 744120d8..474b2597 100644
--- a/BuildTests/StaticAnalysisTest/makefile
+++ b/BuildTests/StaticAnalysisTest/makefile
@@ -42,4 +42,5 @@ staticcheck:
 	cppcheck --quiet --inline-suppr --check-config --template=$(MESSAGE_TEMPLATE) $(INCLUDE_PATHS:%=-I%) $(EXCLUDE_LIST:%=-i%) $(LUFA_ROOT_PATH)

 	cppcheck --quiet --inline-suppr --error-exitcode=1 --std=c99 --force --enable=all --inconclusive $(SUPPRESS_WARNINGS:%=--suppress=%) --template=$(MESSAGE_TEMPLATE) $(INCLUDE_PATHS:%=-I%) $(EXCLUDE_LIST:%=-i%) $(LUFA_ROOT_PATH)

 

-%:
\ No newline at end of file
+%:

+	
\ No newline at end of file
diff --git a/Demos/Device/ClassDriver/AudioInput/makefile b/Demos/Device/ClassDriver/AudioInput/makefile
index 1763d552..439630c6 100644
--- a/Demos/Device/ClassDriver/AudioInput/makefile
+++ b/Demos/Device/ClassDriver/AudioInput/makefile
@@ -698,7 +698,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/AudioOutput/makefile b/Demos/Device/ClassDriver/AudioOutput/makefile
index e00e3e23..62c0aad4 100644
--- a/Demos/Device/ClassDriver/AudioOutput/makefile
+++ b/Demos/Device/ClassDriver/AudioOutput/makefile
@@ -699,7 +699,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/DualVirtualSerial/makefile b/Demos/Device/ClassDriver/DualVirtualSerial/makefile
index 922437c2..25828e40 100644
--- a/Demos/Device/ClassDriver/DualVirtualSerial/makefile
+++ b/Demos/Device/ClassDriver/DualVirtualSerial/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/GenericHID/makefile b/Demos/Device/ClassDriver/GenericHID/makefile
index 05f2c9a3..e60ce4c1 100644
--- a/Demos/Device/ClassDriver/GenericHID/makefile
+++ b/Demos/Device/ClassDriver/GenericHID/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/Joystick/makefile b/Demos/Device/ClassDriver/Joystick/makefile
index 559ceb05..88bad8e5 100644
--- a/Demos/Device/ClassDriver/Joystick/makefile
+++ b/Demos/Device/ClassDriver/Joystick/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/Keyboard/makefile b/Demos/Device/ClassDriver/Keyboard/makefile
index 064c9c91..1f44e38f 100644
--- a/Demos/Device/ClassDriver/Keyboard/makefile
+++ b/Demos/Device/ClassDriver/Keyboard/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/KeyboardMouse/makefile b/Demos/Device/ClassDriver/KeyboardMouse/makefile
index 430a2b02..cfb60e78 100644
--- a/Demos/Device/ClassDriver/KeyboardMouse/makefile
+++ b/Demos/Device/ClassDriver/KeyboardMouse/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/KeyboardMouseMultiReport/makefile b/Demos/Device/ClassDriver/KeyboardMouseMultiReport/makefile
index 48613c99..52566b7e 100644
--- a/Demos/Device/ClassDriver/KeyboardMouseMultiReport/makefile
+++ b/Demos/Device/ClassDriver/KeyboardMouseMultiReport/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/MIDI/makefile b/Demos/Device/ClassDriver/MIDI/makefile
index 910fea1b..b5790490 100644
--- a/Demos/Device/ClassDriver/MIDI/makefile
+++ b/Demos/Device/ClassDriver/MIDI/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/MassStorage/makefile b/Demos/Device/ClassDriver/MassStorage/makefile
index bad1cfa6..e24d1a2e 100644
--- a/Demos/Device/ClassDriver/MassStorage/makefile
+++ b/Demos/Device/ClassDriver/MassStorage/makefile
@@ -698,7 +698,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/makefile b/Demos/Device/ClassDriver/MassStorageKeyboard/makefile
index 40cab5e5..87d40a6a 100644
--- a/Demos/Device/ClassDriver/MassStorageKeyboard/makefile
+++ b/Demos/Device/ClassDriver/MassStorageKeyboard/makefile
@@ -698,7 +698,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/Mouse/makefile b/Demos/Device/ClassDriver/Mouse/makefile
index a6c468eb..63d8f464 100644
--- a/Demos/Device/ClassDriver/Mouse/makefile
+++ b/Demos/Device/ClassDriver/Mouse/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/makefile b/Demos/Device/ClassDriver/RNDISEthernet/makefile
index 6ee3a273..d50dc3db 100644
--- a/Demos/Device/ClassDriver/RNDISEthernet/makefile
+++ b/Demos/Device/ClassDriver/RNDISEthernet/makefile
@@ -713,7 +713,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/VirtualSerial/makefile b/Demos/Device/ClassDriver/VirtualSerial/makefile
index 3821c0bd..c6127869 100644
--- a/Demos/Device/ClassDriver/VirtualSerial/makefile
+++ b/Demos/Device/ClassDriver/VirtualSerial/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/VirtualSerialMassStorage/makefile b/Demos/Device/ClassDriver/VirtualSerialMassStorage/makefile
index e4a7187c..1b211680 100644
--- a/Demos/Device/ClassDriver/VirtualSerialMassStorage/makefile
+++ b/Demos/Device/ClassDriver/VirtualSerialMassStorage/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/ClassDriver/VirtualSerialMouse/makefile b/Demos/Device/ClassDriver/VirtualSerialMouse/makefile
index d85f9b83..b918197d 100644
--- a/Demos/Device/ClassDriver/VirtualSerialMouse/makefile
+++ b/Demos/Device/ClassDriver/VirtualSerialMouse/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/Incomplete/Sideshow/makefile b/Demos/Device/Incomplete/Sideshow/makefile
index 7b106c80..eee6cf80 100644
--- a/Demos/Device/Incomplete/Sideshow/makefile
+++ b/Demos/Device/Incomplete/Sideshow/makefile
@@ -699,7 +699,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/Incomplete/TestAndMeasurement/makefile b/Demos/Device/Incomplete/TestAndMeasurement/makefile
index d782f6e3..ff83d824 100644
--- a/Demos/Device/Incomplete/TestAndMeasurement/makefile
+++ b/Demos/Device/Incomplete/TestAndMeasurement/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/AudioInput/makefile b/Demos/Device/LowLevel/AudioInput/makefile
index 20d0785c..19be3658 100644
--- a/Demos/Device/LowLevel/AudioInput/makefile
+++ b/Demos/Device/LowLevel/AudioInput/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/AudioOutput/makefile b/Demos/Device/LowLevel/AudioOutput/makefile
index c28cddf4..604cbf09 100644
--- a/Demos/Device/LowLevel/AudioOutput/makefile
+++ b/Demos/Device/LowLevel/AudioOutput/makefile
@@ -698,7 +698,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/DualVirtualSerial/makefile b/Demos/Device/LowLevel/DualVirtualSerial/makefile
index 4c1a625c..30408590 100644
--- a/Demos/Device/LowLevel/DualVirtualSerial/makefile
+++ b/Demos/Device/LowLevel/DualVirtualSerial/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/GenericHID/makefile b/Demos/Device/LowLevel/GenericHID/makefile
index cadac8a2..3fb2175e 100644
--- a/Demos/Device/LowLevel/GenericHID/makefile
+++ b/Demos/Device/LowLevel/GenericHID/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/Joystick/makefile b/Demos/Device/LowLevel/Joystick/makefile
index 2faa0709..b16fc5a0 100644
--- a/Demos/Device/LowLevel/Joystick/makefile
+++ b/Demos/Device/LowLevel/Joystick/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/Keyboard/makefile b/Demos/Device/LowLevel/Keyboard/makefile
index 6cc717b1..44de3a8c 100644
--- a/Demos/Device/LowLevel/Keyboard/makefile
+++ b/Demos/Device/LowLevel/Keyboard/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/KeyboardMouse/makefile b/Demos/Device/LowLevel/KeyboardMouse/makefile
index 7bbb9cd3..7a38dfc4 100644
--- a/Demos/Device/LowLevel/KeyboardMouse/makefile
+++ b/Demos/Device/LowLevel/KeyboardMouse/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/MIDI/makefile b/Demos/Device/LowLevel/MIDI/makefile
index 0281d4a5..140b1050 100644
--- a/Demos/Device/LowLevel/MIDI/makefile
+++ b/Demos/Device/LowLevel/MIDI/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/MassStorage/makefile b/Demos/Device/LowLevel/MassStorage/makefile
index a6b2f567..f7fa7153 100644
--- a/Demos/Device/LowLevel/MassStorage/makefile
+++ b/Demos/Device/LowLevel/MassStorage/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/Mouse/makefile b/Demos/Device/LowLevel/Mouse/makefile
index adb6d6be..5a5dd99e 100644
--- a/Demos/Device/LowLevel/Mouse/makefile
+++ b/Demos/Device/LowLevel/Mouse/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/RNDISEthernet/makefile b/Demos/Device/LowLevel/RNDISEthernet/makefile
index 99c7e332..afc5cdcc 100644
--- a/Demos/Device/LowLevel/RNDISEthernet/makefile
+++ b/Demos/Device/LowLevel/RNDISEthernet/makefile
@@ -713,7 +713,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/VirtualSerial/makefile b/Demos/Device/LowLevel/VirtualSerial/makefile
index a5e0230b..fdef673b 100644
--- a/Demos/Device/LowLevel/VirtualSerial/makefile
+++ b/Demos/Device/LowLevel/VirtualSerial/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/DualRole/ClassDriver/MouseHostDevice/makefile b/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
index 488b5917..fddf476c 100644
--- a/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
+++ b/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/AndroidAccessoryHost/makefile b/Demos/Host/ClassDriver/AndroidAccessoryHost/makefile
index a54879ff..6aec0354 100644
--- a/Demos/Host/ClassDriver/AndroidAccessoryHost/makefile
+++ b/Demos/Host/ClassDriver/AndroidAccessoryHost/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/AudioInputHost/makefile b/Demos/Host/ClassDriver/AudioInputHost/makefile
index 09283074..8ba2b734 100644
--- a/Demos/Host/ClassDriver/AudioInputHost/makefile
+++ b/Demos/Host/ClassDriver/AudioInputHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/AudioOutputHost/makefile b/Demos/Host/ClassDriver/AudioOutputHost/makefile
index 8b3d886a..1acda450 100644
--- a/Demos/Host/ClassDriver/AudioOutputHost/makefile
+++ b/Demos/Host/ClassDriver/AudioOutputHost/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/JoystickHostWithParser/makefile b/Demos/Host/ClassDriver/JoystickHostWithParser/makefile
index 8829ab81..1fa6d135 100644
--- a/Demos/Host/ClassDriver/JoystickHostWithParser/makefile
+++ b/Demos/Host/ClassDriver/JoystickHostWithParser/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/KeyboardHost/makefile b/Demos/Host/ClassDriver/KeyboardHost/makefile
index 854e98d2..760aad69 100644
--- a/Demos/Host/ClassDriver/KeyboardHost/makefile
+++ b/Demos/Host/ClassDriver/KeyboardHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/KeyboardHostWithParser/makefile b/Demos/Host/ClassDriver/KeyboardHostWithParser/makefile
index be138020..4a137483 100644
--- a/Demos/Host/ClassDriver/KeyboardHostWithParser/makefile
+++ b/Demos/Host/ClassDriver/KeyboardHostWithParser/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/MIDIHost/makefile b/Demos/Host/ClassDriver/MIDIHost/makefile
index 371772b9..b346a205 100644
--- a/Demos/Host/ClassDriver/MIDIHost/makefile
+++ b/Demos/Host/ClassDriver/MIDIHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/MassStorageHost/makefile b/Demos/Host/ClassDriver/MassStorageHost/makefile
index c3aae340..9b166caa 100644
--- a/Demos/Host/ClassDriver/MassStorageHost/makefile
+++ b/Demos/Host/ClassDriver/MassStorageHost/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/MouseHost/makefile b/Demos/Host/ClassDriver/MouseHost/makefile
index 26bb6614..260b6e47 100644
--- a/Demos/Host/ClassDriver/MouseHost/makefile
+++ b/Demos/Host/ClassDriver/MouseHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/MouseHostWithParser/makefile b/Demos/Host/ClassDriver/MouseHostWithParser/makefile
index b4509c87..cb8da5e9 100644
--- a/Demos/Host/ClassDriver/MouseHostWithParser/makefile
+++ b/Demos/Host/ClassDriver/MouseHostWithParser/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/PrinterHost/makefile b/Demos/Host/ClassDriver/PrinterHost/makefile
index e61f4ef1..63bf5f44 100644
--- a/Demos/Host/ClassDriver/PrinterHost/makefile
+++ b/Demos/Host/ClassDriver/PrinterHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/RNDISEthernetHost/makefile b/Demos/Host/ClassDriver/RNDISEthernetHost/makefile
index 66fff0d9..5c688526 100644
--- a/Demos/Host/ClassDriver/RNDISEthernetHost/makefile
+++ b/Demos/Host/ClassDriver/RNDISEthernetHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/StillImageHost/makefile b/Demos/Host/ClassDriver/StillImageHost/makefile
index f0d6f3ab..45b44caf 100644
--- a/Demos/Host/ClassDriver/StillImageHost/makefile
+++ b/Demos/Host/ClassDriver/StillImageHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/ClassDriver/VirtualSerialHost/makefile b/Demos/Host/ClassDriver/VirtualSerialHost/makefile
index b313f278..9fa99283 100644
--- a/Demos/Host/ClassDriver/VirtualSerialHost/makefile
+++ b/Demos/Host/ClassDriver/VirtualSerialHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/Incomplete/BluetoothHost/makefile b/Demos/Host/Incomplete/BluetoothHost/makefile
index b6b23397..1b3b479b 100644
--- a/Demos/Host/Incomplete/BluetoothHost/makefile
+++ b/Demos/Host/Incomplete/BluetoothHost/makefile
@@ -701,7 +701,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/AndroidAccessoryHost/makefile b/Demos/Host/LowLevel/AndroidAccessoryHost/makefile
index 55e6645c..c4d435a3 100644
--- a/Demos/Host/LowLevel/AndroidAccessoryHost/makefile
+++ b/Demos/Host/LowLevel/AndroidAccessoryHost/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/AudioInputHost/makefile b/Demos/Host/LowLevel/AudioInputHost/makefile
index d19c3b9d..01764ba1 100644
--- a/Demos/Host/LowLevel/AudioInputHost/makefile
+++ b/Demos/Host/LowLevel/AudioInputHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/AudioOutputHost/makefile b/Demos/Host/LowLevel/AudioOutputHost/makefile
index c1f16d17..42f7392a 100644
--- a/Demos/Host/LowLevel/AudioOutputHost/makefile
+++ b/Demos/Host/LowLevel/AudioOutputHost/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/GenericHIDHost/makefile b/Demos/Host/LowLevel/GenericHIDHost/makefile
index 2b5fd3cd..18ef6dbb 100644
--- a/Demos/Host/LowLevel/GenericHIDHost/makefile
+++ b/Demos/Host/LowLevel/GenericHIDHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/JoystickHostWithParser/makefile b/Demos/Host/LowLevel/JoystickHostWithParser/makefile
index ad4717d8..3775eb00 100644
--- a/Demos/Host/LowLevel/JoystickHostWithParser/makefile
+++ b/Demos/Host/LowLevel/JoystickHostWithParser/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/KeyboardHost/makefile b/Demos/Host/LowLevel/KeyboardHost/makefile
index f2e6ac30..f5eb441e 100644
--- a/Demos/Host/LowLevel/KeyboardHost/makefile
+++ b/Demos/Host/LowLevel/KeyboardHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/KeyboardHostWithParser/makefile b/Demos/Host/LowLevel/KeyboardHostWithParser/makefile
index c33b9297..63ada8b5 100644
--- a/Demos/Host/LowLevel/KeyboardHostWithParser/makefile
+++ b/Demos/Host/LowLevel/KeyboardHostWithParser/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/MIDIHost/makefile b/Demos/Host/LowLevel/MIDIHost/makefile
index 3daa0cec..5881bace 100644
--- a/Demos/Host/LowLevel/MIDIHost/makefile
+++ b/Demos/Host/LowLevel/MIDIHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/MassStorageHost/makefile b/Demos/Host/LowLevel/MassStorageHost/makefile
index da4bb76b..c4860611 100644
--- a/Demos/Host/LowLevel/MassStorageHost/makefile
+++ b/Demos/Host/LowLevel/MassStorageHost/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/MouseHost/makefile b/Demos/Host/LowLevel/MouseHost/makefile
index 9e7fc90c..8b370647 100644
--- a/Demos/Host/LowLevel/MouseHost/makefile
+++ b/Demos/Host/LowLevel/MouseHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/MouseHostWithParser/makefile b/Demos/Host/LowLevel/MouseHostWithParser/makefile
index 46d2fadf..c5df80e3 100644
--- a/Demos/Host/LowLevel/MouseHostWithParser/makefile
+++ b/Demos/Host/LowLevel/MouseHostWithParser/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/PrinterHost/makefile b/Demos/Host/LowLevel/PrinterHost/makefile
index c30fb650..42b7a77b 100644
--- a/Demos/Host/LowLevel/PrinterHost/makefile
+++ b/Demos/Host/LowLevel/PrinterHost/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/RNDISEthernetHost/makefile b/Demos/Host/LowLevel/RNDISEthernetHost/makefile
index d640a405..0830199f 100644
--- a/Demos/Host/LowLevel/RNDISEthernetHost/makefile
+++ b/Demos/Host/LowLevel/RNDISEthernetHost/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/StillImageHost/makefile b/Demos/Host/LowLevel/StillImageHost/makefile
index 9aabddd4..09e3f59c 100644
--- a/Demos/Host/LowLevel/StillImageHost/makefile
+++ b/Demos/Host/LowLevel/StillImageHost/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Host/LowLevel/VirtualSerialHost/makefile b/Demos/Host/LowLevel/VirtualSerialHost/makefile
index 2daa5ea9..21e94637 100644
--- a/Demos/Host/LowLevel/VirtualSerialHost/makefile
+++ b/Demos/Host/LowLevel/VirtualSerialHost/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/LUFA/CodeTemplates/makefile_template.avr8 b/LUFA/CodeTemplates/makefile_template.avr8
index 7fd19390..7f8534a3 100644
--- a/LUFA/CodeTemplates/makefile_template.avr8
+++ b/LUFA/CodeTemplates/makefile_template.avr8
@@ -683,7 +683,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/LUFA/CodeTemplates/makefile_template.uc3 b/LUFA/CodeTemplates/makefile_template.uc3
index 647a956c..78fd9f69 100644
--- a/LUFA/CodeTemplates/makefile_template.uc3
+++ b/LUFA/CodeTemplates/makefile_template.uc3
@@ -456,7 +456,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/LUFA/CodeTemplates/makefile_template.xmega b/LUFA/CodeTemplates/makefile_template.xmega
index 3c09effc..8c0f0db6 100644
--- a/LUFA/CodeTemplates/makefile_template.xmega
+++ b/LUFA/CodeTemplates/makefile_template.xmega
@@ -675,7 +675,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/LUFA/makefile b/LUFA/makefile
index bfe9b8a0..9e68d3cb 100644
--- a/LUFA/makefile
+++ b/LUFA/makefile
@@ -77,7 +77,11 @@ ifeq ($(origin LUFA_PATH), undefined)
 
    doxygen:
 	@echo Generating LUFA Library Documentation...
-	( cat Doxygen.conf ; echo "PROJECT_NUMBER=`grep LUFA_VERSION_STRING Version.h | cut -d'"' -f2`" ) | doxygen -
+
+	@if ( ( cat Doxygen.conf ; echo "PROJECT_NUMBER=`grep LUFA_VERSION_STRING Version.h | cut -d'"' -f2`" ) | doxygen - 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
+
 	@echo Documentation Generation Complete.
 
    clean_doxygen:
diff --git a/Projects/AVRISP-MKII/makefile b/Projects/AVRISP-MKII/makefile
index 475ec714..d83fe1d6 100644
--- a/Projects/AVRISP-MKII/makefile
+++ b/Projects/AVRISP-MKII/makefile
@@ -724,7 +724,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/Benito/makefile b/Projects/Benito/makefile
index d1955e38..eb8b9a34 100644
--- a/Projects/Benito/makefile
+++ b/Projects/Benito/makefile
@@ -706,7 +706,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/HIDReportViewer/makefile b/Projects/HIDReportViewer/makefile
index a39e9333..e4e0193a 100644
--- a/Projects/HIDReportViewer/makefile
+++ b/Projects/HIDReportViewer/makefile
@@ -692,7 +692,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/Incomplete/StandaloneProgrammer/makefile b/Projects/Incomplete/StandaloneProgrammer/makefile
index f5696970..6b9b763c 100644
--- a/Projects/Incomplete/StandaloneProgrammer/makefile
+++ b/Projects/Incomplete/StandaloneProgrammer/makefile
@@ -706,7 +706,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/LEDNotifier/makefile b/Projects/LEDNotifier/makefile
index 6abe713f..cde0b4e2 100644
--- a/Projects/LEDNotifier/makefile
+++ b/Projects/LEDNotifier/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/MIDIToneGenerator/makefile b/Projects/MIDIToneGenerator/makefile
index 768b6125..60963e49 100644
--- a/Projects/MIDIToneGenerator/makefile
+++ b/Projects/MIDIToneGenerator/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/Magstripe/makefile b/Projects/Magstripe/makefile
index 22442bcf..9184d910 100644
--- a/Projects/Magstripe/makefile
+++ b/Projects/Magstripe/makefile
@@ -709,7 +709,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/MediaController/makefile b/Projects/MediaController/makefile
index 9efa473d..98eeb5b3 100644
--- a/Projects/MediaController/makefile
+++ b/Projects/MediaController/makefile
@@ -695,7 +695,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/MissileLauncher/makefile b/Projects/MissileLauncher/makefile
index 45f438a3..3de08627 100644
--- a/Projects/MissileLauncher/makefile
+++ b/Projects/MissileLauncher/makefile
@@ -693,7 +693,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/RelayBoard/makefile b/Projects/RelayBoard/makefile
index 1ea3902a..5ff62f98 100644
--- a/Projects/RelayBoard/makefile
+++ b/Projects/RelayBoard/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/TempDataLogger/makefile b/Projects/TempDataLogger/makefile
index d0917fb4..f79398af 100644
--- a/Projects/TempDataLogger/makefile
+++ b/Projects/TempDataLogger/makefile
@@ -706,7 +706,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/USBtoSerial/makefile b/Projects/USBtoSerial/makefile
index ed2b825f..64f625da 100644
--- a/Projects/USBtoSerial/makefile
+++ b/Projects/USBtoSerial/makefile
@@ -698,7 +698,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/Webserver/makefile b/Projects/Webserver/makefile
index a8724412..7866604e 100644
--- a/Projects/Webserver/makefile
+++ b/Projects/Webserver/makefile
@@ -736,7 +736,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Projects/XPLAINBridge/makefile b/Projects/XPLAINBridge/makefile
index 28e47eb7..c6de2769 100644
--- a/Projects/XPLAINBridge/makefile
+++ b/Projects/XPLAINBridge/makefile
@@ -723,7 +723,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen: