[Emc-commit] [LinuxCNC/linuxcnc] 0e2929: axis: link _togl with -lGL (partially addresses #4...

[BsAtHome <no...@gi...>]

  Branch: refs/heads/2.9
  Home:   https://github.com/LinuxCNC/linuxcnc
  Commit: 0e292978fc112587f67654eed667b66912d4b6f4
      https://github.com/LinuxCNC/linuxcnc/commit/0e292978fc112587f67654eed667b66912d4b6f4
  Author: Luca Toniolo <107...@us...>
  Date:   2026-05-19 (Tue, 19 May 2026)

  Changed paths:
    M src/emc/usr_intf/axis/Submakefile

  Log Message:
  -----------
  axis: link _togl with -lGL (partially addresses #4034)

_toglmodule.c calls raw GLX functions directly; libepoxy only provides
runtime dispatch, not link-time GLX symbols. Without -lGL the resulting
_togl.so has unresolved glX* symbols and fails to import on aarch64,
where the transitive libepoxy -> libGL chain does not apply as it does
on x86_64.

Fixes the 'undefined symbol: glXDestroyContext' ImportError reported in
#4034. Does not fix the AXIS segfault, which appears to originate in
the UTM virgl/ANGLE GL stack on Apple Silicon and is unrelated.

Backport of the togl hunk from ceed26dc72.


  Commit: dc070e201d18300a01013364690bae8b5c57ce18
      https://github.com/LinuxCNC/linuxcnc/commit/dc070e201d18300a01013364690bae8b5c57ce18
  Author: BsAtHome <be...@va...>
  Date:   2026-05-20 (Wed, 20 May 2026)

  Changed paths:
    M src/emc/usr_intf/axis/Submakefile

  Log Message:
  -----------
  Merge pull request #4042 from grandixximo/fix-togl-arm64

axis: link _togl with -lGL (partially addresses #4034)


Compare: https://github.com/LinuxCNC/linuxcnc/compare/3bc490cee5ac...dc070e201d18

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