meson: add Solaris support
Summary: Add Solaris support for meson
Test Plan: test on OpenIndiana
Reviewers: raster, bu5hm4n, stefan_schmidt
Reviewed By: raster, stefan_schmidt
Subscribers: alarcher, stefan_schmidt, bu5hm4n, cedric, reviewers, committers
Tags: efl
Differential Revision: https://phab.enlightenment.org/D11973