@ -78,7 +78,7 @@ paddle version
# PaddlePaddle. This awkwardness is due to
# https://github.com/PaddlePaddle/Paddle/issues/1854. It also
# describes a solution.
if [ ${WITH_DOC} == "ON" ]; then
if [[ ${WITH_DOC} == "ON" ]]; then
cat <<EOF
========================================
Building documentation ...