checking if app-specific confvars.sh exists... ./browser/confvars.sh configure: error: You must specify a default toolkit (perhaps cairo-gtk2).

[Antonio Olivares]

checking if app-specific confvars.sh exists... ./browser/confvars.sh
configure: error: You must specify a default toolkit (perhaps cairo-gtk2).
===>  Script "configure" failed unexpectedly.
Please report the problem to gecko at FreeBSD.org [maintainer] and attach the
"/usr/ports/www/firefox/work/mozilla-release/config.log" including the output
of the failure of your make command. Also, it might be a good idea to provide
an overview of all packages installed on your system (e.g. an `ls
/var/db/pkg`).
*** Error code 1

Stop in /usr/ports/www/firefox.
*** Error code 1

Stop in /usr/ports/www/firefox.

===>>> make failed for www/firefox
===>>> Aborting update

===>>> Update for www/firefox failed
===>>> Aborting update

Terminated
===>>> There are messages from installed ports to display,
       but first take a moment to review the error messages
       above.  Then press Enter when ready to proceed.

please advice

Regards,

Antonio
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