- Switch to git-checkout via source services, commit 092d884d.
- Following the above: Drop autoconf, automake and
pkgconfig(pygobject-2.0) BuildRequires. Add gtk-doc and libtool.
Pass autogen.sh inst of autoreconf, and add --enable-gtk-doc and
--enable-introspection to configure. Modernize spec.
- Drop farstream-0.2.8-rtpbitrateadapter-no-adaptation.patch: Fixed
upstream.
- Add farstream-fix-build-gst116.patch: Fix build with gstreamer
1.16.x (glfdo#farstream/farstream!3).
- Add farstream-add-check-for-glib-mkenums.patch: Fix autoconf
build failure for glib-mkenums (glfdo#farstream/farstream!2).
- Add farstream-fix-make43.patch: autotools: Fix build with
make-4.3 (glfdo#farstream/farstream#17).
- Disable LTO via define, as it currently fails when set to auto.