meson.build: Detect if we build from a git subtree
commit6cd3c1b54973f2055187404ffabb36200253e9a6
authorKjell Ahlstedt <[email protected]>
Tue, 27 Sep 2022 07:44:27 +0000 (27 09:44 +0200)
committerKjell Ahlstedt <[email protected]>
Tue, 27 Sep 2022 10:51:29 +0000 (27 12:51 +0200)
treec23a4590eb1e87a128d20360a1c98e9ba1fd7e5f
parent10dd1c73b2bb86dcafb55c411707ebe2d68bf4df
meson.build: Detect if we build from a git subtree

See https://gitlab.gnome.org/GNOME/gtkmm/-/merge_requests/72 (William Roy)
meson.build