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We want sysprof's exact datadir for compatability with platforms where software is installed into their own individual immutable prefix's. Such that, mutter's prefix will never equate to sysprof's. This depends on a MR in sysprof [0] which adds datadir to its pkgconfig files, as these files will always have the proper path we want. This adds version a constraint on sysprof_dep, as datadir was added to the .pc in this version. [0]: https://gitlab.gnome.org/GNOME/sysprof/merge_requests/19 https://gitlab.gnome.org/GNOME/mutter/merge_requests/957