gnucash: dlopen(/sw/lib/libgnc-backend-postgres.so, 9): image not found

failed to load gnc-backend-postgres from /sw/lib

loading system configuration
looking for /sw/etc/gnucash/config
trying to load /sw/etc/gnucash/config
loading user configuration
looking for /Users/david/.gnucash/config-2.0.user
looking for /Users/david/.gnucash/config-1.8.user
looking for /Users/david/.gnucash/config-1.6.user
looking for /Users/david/.gnucash/config.user
loading auto configuration
looking for /Users/david/.gnucash/config-2.0.auto
looking for /Users/david/.gnucash/config-1.8.auto
looking for /Users/david/.gnucash/config-1.6.auto
looking for /Users/david/.gnucash/config.auto
loading saved reports
looking for /Users/david/.gnucash/saved-reports-2.0
trying to load /Users/david/.gnucash/saved-reports-2.0
loading stylesheets
looking for /Users/david/.gnucash/stylesheets-2.0
trying to load /Users/david/.gnucash/stylesheets-2.0
Error: gnc_http_cancel_requests(): ***Warning*** Find a gnome2 replacement for ghttp  *******
Error: gnc_http_cancel_requests(): ***Warning*** Find a gnome2 replacement for ghttp  *******
Error: gnc_http_cancel_requests(): ***Warning*** Find a gnome2 replacement for ghttp  *******
