X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/8b5aa616013811faf53fb5c1f2fdb819dd671b36..00b6b0140fa76845edaa894e0feb3287e4977c73:/LUFA/makefile

diff --git a/LUFA/makefile b/LUFA/makefile
index bfe9b8a04..537fee9b5 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: