[Commits] [wesnoth/wesnoth] 44f567: Enable LTO by default.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 44f567c6a3252992907d320e38bb93ab14ff7359
      https://github.com/wesnoth/wesnoth/commit/44f567c6a3252992907d320e38bb93ab14ff7359
  Author: pentarctagon <pentarctagon at tutamail.com>
  Date:   2018-02-02 (Fri, 02 Feb 2018)

  Changed paths:
    M .travis.yml
    M CMakeLists.txt
    M SConstruct
    M docker_run.sh

  Log Message:
  -----------
  Enable LTO by default.

LTO for Windows is disabled for now, as TDM-GCC does not work well with it.
LTO for Travis is also disabled, due to the extra time linking with LTO takes.