Sunflower has no compile step; it can be run directly from the source
tree with `python3 -m sunflower` once the dependencies are installed.
Package names below are Debian/Ubuntu names.

Required:
	python3
	python3-gi
	python3-gi-cairo
	python3-chardet
	gir1.2-gtk-3.0 >= 3.22
	gir1.2-glib-2.0 >= 1.50
	gir1.2-gdkpixbuf-2.0
	gir1.2-pango-1.0
	gir1.2-vte-2.91 >= 0.46

Optional:
	gir1.2-notify-0.7        - desktop notifications
	gir1.2-gtksource-4       - syntax highlighting in the file viewer
	gir1.2-gnomedesktop-3.0  - thumbnails in the file list
	gir1.2-gnomekeyring-1.0  - storing passwords for remote locations

Experimental GTK 4 mode (SUNFLOWER_GTK=4) additionally needs:
	gir1.2-gtk-4.0
	gir1.2-vte-3.91
	gir1.2-gtksource-5       - optional, replaces gir1.2-gtksource-4
