D7258: makefile: use Python 3 by default outside of Windows (BC)

[indygreg (Gregory Szorc)]

indygreg added a comment.


  I just uploaded a compromise patch that ignores Windows for now.

REPOSITORY
  rHG Mercurial

BRANCH
  default

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7258/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7258

To: indygreg, #hg-reviewers, martinvonz, mharbison72
Cc: yuja, mharbison72, durin42, dlax, martinvonz, mercurial-devel