X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b5682f2c4476c368589c084b374bcdd997e85cdb..e39f3378a21ae5076e8c49bc728c20e436e3a69f:/Demos/Device/LowLevel/DualVirtualSerial/makefile

diff --git a/Demos/Device/LowLevel/DualVirtualSerial/makefile b/Demos/Device/LowLevel/DualVirtualSerial/makefile
index 4c1a625cb..9db0f9a0f 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 -v "warning: ignoring unsupported tag" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen: