- NMU: 2.14.6 -> 2.14.12.

- Dropped certain targets from import checks in CMake configs.
  This will fix bug 39685, or, at least, dramatically reduce its impact.
- Built without gcc-LTO, since it miscompiles the LLVM optimizer.
- Temporarily disabled doc generation to urgently push the fix above.

- Built with python2 in BTE to appease python2's findprov.

- Made opt-viewer use python3. (closes: bug 40691)
- Backported from llvmorg-12.0.1:
  D102059: 884040d "libsanitizer: Remove cyclades inclusion in sanitizer"
  This is needed for the package to be buildable from source with modern
  glibc-kernheaders. (closes: bug 40357)

- Added launcher executable.
- Added a systemd service unit.

- build in c++-11 mode

- Applied upstream fixes for CVE-2020-6062/TALOS-2020-0985.
- Applied upstream fixes for CVE-2020-6061/TALOS-2020-0984.

- Initial build for ALT Sisyphus