The sifbuilder site is generated with the sif profile for drupal, with sifnethost and sifnetsite correctly defined to point to the sifbuilder host and site,
> php sifcmd.php b --sifpacksdir=../sifbuilder_local/packages
-sifnetconfigfile=../sifbuilder_local/sifnet_config.php --sifnetsite=sbd_at_localhost --sifnethost=localhost --siburi=./sibs/sib_drupal5_sif_sif.xml -x -f -v
on the nethost. The definition of this site is set in the sib_drupal5_sif_sif.xml sib. That file specifies ... install the drupal core, install and apply the sif theme, activate core modules -search, blog-, get and install contributed modules -views, site-map-, configure blocks -Navigation, Primary links-, create blocks and block rows -sif, my links-, set permissions -access content, search content-, set config variables -site_name, site_footer-. That xml definition includes also the information to dynamically generate, install, and configure a drupal module -_sifgroups- based on its relational model.
Content is created applying a content sib, always with sifnethost and sifnetsite correctly defined to point to the sifbuilder host and site.
> php sifcmd.php b --sifpacksdir=../sifbuilder_local/packages
-sifnetconfigfile=../sifbuilder_local/sifnet_config.php --sifnetsite=sbd_at_localhost --sifnethost=localhost --siburi=./sibs/sib_drupal5_sif_sif.xml -f -v
In support to the creation of the sifbuilder site, sifbuilder 1.10 includes the drupal5_mod_sifbuilder_0_0_1 sip for drupal. That package generates the nodes for the sif installation packages (sips) that is accessible from the sif menu block.