[gcc/segher/heads/gm2] (4 commits) doc: Change menus so that this builds

[Segher Boessenkool]

The branch 'segher/heads/gm2' was updated to point to:

 91473b9caf6... doc: Change menus so that this builds

It previously pointed to:

 4935ad4ccd9... doc: Change menus so that this builds

Diff:

!!! WARNING: THE FOLLOWING COMMITS ARE NO LONGER ACCESSIBLE (LOST):
-------------------------------------------------------------------

  4935ad4... doc: Change menus so that this builds
  8a87de6... Add the texinfo doc
  50d8861... gm2: Replace ../$(subdir) and ../../$(subdir) by just $(sub
  c8303dd... Build fix.
  6996fab... Add missing m2/ dir.
  71d8801... Import from Gaius' 20210617 post.


Summary of changes (added commits):
-----------------------------------

  91473b9... doc: Change menus so that this builds
  28cec96... gm2: Replace ../$(subdir) and ../../$(subdir) by just $(sub
  7bad072... Build fix from Matthias
  dfe58af... Import from Gaius' 20210617 post