SET(SPHINXOPTS )
SET(SOURCEDIR ${CMAKE_CURRENT_SOURCE_DIR})
-SET(PAPEROPT_a4 -D latex_paper_size=a4)
-SET(ALLSPHINXOPTS -d doctrees ${PAPEROPT_a4} ${SPHINXOPTS} ${SOURCEDIR})
+SET(ALLSPHINXOPTS -d doctrees ${SPHINXOPTS} ${SOURCEDIR})
# install user's documentation