doc/doxygen/Makefile.am: we want the html version of the doc to be included in the distrib file, but not installed

doc/doxygen/Makefile.am

@@ -1,7 +1,7 @@
 # StarPU --- Runtime system for heterogeneous multicore architectures.
 #
 # Copyright (C) 2009, 2011, 2013  Université de Bordeaux 1
-# Copyright (C) 2010, 2011, 2012, 2013  Centre National de la Recherche Scientifique
+# Copyright (C) 2010, 2011, 2012, 2013, 2014  Centre National de la Recherche Scientifique
 #
 # Permission is granted to copy, distribute and/or modify this document
 # under the terms of the GNU Free Documentation License, Version 1.3
@@ -166,7 +166,8 @@ EXTRA_DIST	= 					\
 	chapters/tasks_size_overhead.eps		\
 	chapters/tasks_size_overhead.pdf		\
 	doxygen.cfg 					\
-	refman.tex
+	refman.tex					\
+	$(DOX_HTML_DIR)
 
 dox_inputs = $(DOX_CONFIG) 				\
 	$(chapters) 					\
@@ -222,7 +223,7 @@ $(DOX_TAG): $(dox_inputs)
 	sed -i 's/.*"Files.html".*//' html/pages.html
 	if test -f latex/main.tex ; then mv latex/main.tex latex/index.tex ; fi
 
-dist_pdf_DATA = $(DOX_PDF) $(DOX_HTML_DIR)
+dist_pdf_DATA = $(DOX_PDF)
 
 $(DOX_PDF): $(DOX_TAG) refman.tex
 	cp $(top_srcdir)/doc/doxygen/chapters/version.sty $(DOX_LATEX_DIR)