Update ci-main.yml

[cooljeanius]

bump macOS version; make use of all available processors

[cooljeanius]

Failures now look like:

WARNING: Client prerequisites are not met. wesnoth cannot be built.
WARNING: Unit tests are disabled because their prerequisites are not met
  If any config checks fail, look in build/config.log for details
  If a check fails spuriously due to caching, use --config=force to force its rerun
---[applying configuration]---
SConscript:/Users/runner/work/wesnoth/wesnoth/po/SConscript  took 220.983 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/doc/manual/SConscript  took 0.225 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/doc/SConscript  took 0.514 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/packaging/windows/SConscript  took 0.484 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/packaging/systemd/SConscript  took 0.349 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/build/release/SConscript  took 392.092 ms

scons: *** Export of non-existent variable ''wesnoth''
SConscript:/Users/runner/work/wesnoth/wesnoth/SConstruct  took 10693.099 ms
File "/Users/runner/work/wesnoth/wesnoth/src/SConscript", line 159, in WesnothProgram
Error: Process completed with exit code 2.

@CelticMinstrel @Vultraz any ideas?

[cooljeanius]

Failures now look like:

WARNING: Client prerequisites are not met. wesnoth cannot be built.
WARNING: Unit tests are disabled because their prerequisites are not met
  If any config checks fail, look in build/config.log for details
  If a check fails spuriously due to caching, use --config=force to force its rerun
---[applying configuration]---
SConscript:/Users/runner/work/wesnoth/wesnoth/po/SConscript  took 220.983 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/doc/manual/SConscript  took 0.225 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/doc/SConscript  took 0.514 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/packaging/windows/SConscript  took 0.484 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/packaging/systemd/SConscript  took 0.349 ms
SConscript:/Users/runner/work/wesnoth/wesnoth/build/release/SConscript  took 392.092 ms

scons: *** Export of non-existent variable ''wesnoth''
SConscript:/Users/runner/work/wesnoth/wesnoth/SConstruct  took 10693.099 ms
File "/Users/runner/work/wesnoth/wesnoth/src/SConscript", line 159, in WesnothProgram
Error: Process completed with exit code 2.

@CelticMinstrel @Vultraz any ideas?

Or I guess maybe @loonycyborg is the person to ask about scons?

[loonycyborg]

From which job this output? "scons translations" on macos?

[loonycyborg]

Maybe try it with 2b96529 reverted.