... in the SPKG.rst of r and rpy2.
Also, for dummy packages such as r, do not show the message "If the system package is installed, ./configure will
check whether it can be used."
see https://groups.google.com/g/sage-devel/c/0Rl6YbnPNmM
Also use the feature argument in the lazy_import of rpy2 in sage.interfaces.r, so that system package info will be displayed when rpy2 is not installed.
... in the
SPKG.rstofrandrpy2.Also, for dummy packages such as
r, do not show the message "If the system package is installed, ./configure willcheck whether it can be used."
see https://groups.google.com/g/sage-devel/c/0Rl6YbnPNmM
Also use the
featureargument in thelazy_importofrpy2insage.interfaces.r, so that system package info will be displayed when rpy2 is not installed.