I have find a workaround (without an inplace build) using the site module you can target the temporary directory in a generic way
cd src && sdh_pip_install . SITE_PKGS="$(python -c "import site; \ print(site.getusersitepackages().replace(site.getuserbase(), ''))")" PYTHONPATH=$PYTHONPATH:$SAGE_DESTDIR_LOCAL$SITEPKGS cd docs $MAKE html -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.