srtlg [1] filed a deletion request for wxgtk30 [2]: I followed MarsSeed's request and asked the maintainer of wxwidgets-3.0 to include the necessary compatibility for GMAT. This package has thus been merged with wxwidgets-3.0 and IS NO LONGER NEEDED.
[1] https://aur.archlinux.org/account/srtlg/ [2] https://aur.archlinux.org/pkgbase/wxgtk30/
