diff -up avr-libc-2.0.0/doc/api/doxygen.config.in.nolatexbatch avr-libc-2.0.0/doc/api/doxygen.config.in

--- avr-libc-2.0.0/doc/api/doxygen.config.in.nolatexbatch	2016-11-13 11:56:31.708459778 +0100

+++ avr-libc-2.0.0/doc/api/doxygen.config.in	2016-11-13 11:56:35.577495290 +0100

@@ -1739,7 +1739,7 @@ USE_PDFLATEX           = YES

 # The default value is: NO.

 # This tag requires that the tag GENERATE_LATEX is set to YES.

-LATEX_BATCHMODE        = YES

+LATEX_BATCHMODE        = NO

 # If the LATEX_HIDE_INDICES tag is set to YES then doxygen will not include the

 # index chapters (such as File Index, Compound Index, etc.) in the output.