Enable geoservices_mapboxgl for Windows

[random_precision]

I'm building Qt from open source.
What should I do to enable mapboxgl plugin?
My configure command is looking like this:

call C:\Qt\5.12.6\Src\configure -static -opensource -debug -confirm-license -nomake examples -nomake tests -qt-sqlite -plugin-sql-sqlite -openssl -I "C:\Program Files\OpenSSL-Win64\include" -L "C:\Program Files\OpenSSL-Win64\lib\VC\static" -prefix C:\Qt\usr