20151210 22:10:19 warning preprocessor: Redefining macro RANDOM_SIDE without explicit #undef at multiplayer/eras.cfg:3
    included from _main.cfg:36
previously defined at multiplayer/eras.cfg:3
    included from multiplayer/_main.cfg:17
    included from core/editor/_main.cfg:6
    included from core/_main.cfg:26
    included from _main.cfg:18
20151210 22:10:19 warning preprocessor: Redefining macro QUICK_4MP_LEADERS without explicit #undef at multiplayer/eras.cfg:13
    included from _main.cfg:36
previously defined at multiplayer/eras.cfg:13
    included from multiplayer/_main.cfg:17
    included from core/editor/_main.cfg:6
    included from core/_main.cfg:26
    included from _main.cfg:18
20151210 22:10:19 warning preprocessor: Redefining macro TURNS_OVER_ADVANTAGE without explicit #undef at multiplayer/eras.cfg:28
    included from _main.cfg:36
previously defined at multiplayer/eras.cfg:28
    included from multiplayer/_main.cfg:17
    included from core/editor/_main.cfg:6
    included from core/_main.cfg:26
    included from _main.cfg:18
20151210 22:10:19 warning preprocessor: Redefining macro ERA_DEFAULT without explicit #undef at multiplayer/eras.cfg:39
    included from _main.cfg:36
previously defined at multiplayer/eras.cfg:39
    included from multiplayer/_main.cfg:17
    included from core/editor/_main.cfg:6
    included from core/_main.cfg:26
    included from _main.cfg:18
20151210 22:10:19 warning preprocessor: Redefining macro ERA_HEROES without explicit #undef at multiplayer/eras.cfg:61
    included from _main.cfg:36
previously defined at multiplayer/eras.cfg:61
    included from multiplayer/_main.cfg:17
    included from core/editor/_main.cfg:6
    included from core/_main.cfg:26
    included from _main.cfg:18