[PATCH v9 0/7] MR7111: Draft: support building Wine with LTO

[Konstantin Demin (＠rockdrilla)]

work is still in progress.

todo:
- ensure that all affected sources (i.e. C sources with any kind of assembly) are listed in either way for all architectures
- test Wine built with LTO

relevant bug reports:
- https://bugs.winehq.org/show_bug.cgi?id=41712
- https://bugs.winehq.org/show_bug.cgi?id=51051

--
  v9: LTO quirks
      configure: enable building Wine with LTO
      makedep: support skipping/disabling LTO
      makedep: support LTO builds
      winegcc: support LTO builds
      winebuild: support LTO builds
      tools: helper functions for LTO builds

https://gitlab.winehq.org/wine/wine/-/merge_requests/7111