This is all aimed at making it so that sysprof can be built as a
subproject within GLib, with only `libsysprof-capture-4.a` being
produced as output.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
It has previously been implicitly pulled in by libsysprof-capture, but
that will change in future.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
Helps: #40