* Update buildRelease workflow to use sdl2-2.30.11 on MacOS
* In buildRelease workflow, update Macos build for SDL to use -DMAIKO_DISPLAY_SDL=2 instead of =ON
* Start cygwin-sdl builds: first pass at buildCygwinBuilderImage workflow. Add makefile-cygwin.x86_64-sdl.
* WIP Dockerfile_cygwin_builder
* First pass of complete cygwin-sdl build workflow
* Fix indent error in buildCygwinBuilderImage.yml
* fix incorrect use of github token in buildCygwinBuilderImage.yml
* fix incorrect use of --build-arg in buildCygwinBuilderImage.
* fix incorrect docker build statement in buildCygwinBuilderImage.
* make docker tag lowercase since apparently Wiondows docker doesn't like uppercase tags in buildCygwinBuilderImage.
* fix quotiing on last commit in buildCygwinBuilderImage.
* fix download output location for SDL2 in buildCygwinBuilderImage.
* Add windows/cygwin build to buildRelease workflow
* Fix typos in buildRelease workflow
* Fix more typos in buildRelease workflow
* Debugging per-system if statements buildRelease workflow
* Debugging per-system if statements buildRelease workflow #2
* Debugging per-system if statements buildRelease workflow #3
* Fix checkout actions step to use powershell-sims not bash-isms in Windows job
* Fix Docker_env step to use powershell-isms not bash-isms in Windows job
* Fix Docker_env step to use powershell-isms not bash-isms in Windows job #2
* Fix Docker_env step to use powershell-isms not bash-isms in Windows job #3
* Revamp cygwin build to use docker build instead of docker buildxx because buildx seems to not like windows containers
* Fix some line split nonsense
* Fix typo in last commit
* Add proper repo info to Dockerfile_cygwin_maiko
* More debugging
* Revamp how cygwin-sdl is built - now build directly on runner and not via a Dcokerfile and docker.
* Fix typo
* Fix retrieve of sdl2
* Fix set up release tag action to ake account of the fact that Maiko has been checked out to cygwin\maiko instead of top level workspace
* Fix set up release tag action to ake account of the fact that Maiko has been checked out to cygwin\maiko instead of top level workspace #2
* Fix set up release tag action to ake account of the fact that Maiko has been checked out to cygwin\maiko instead of top level workspace #3
* Cleanup build maiko step
* Prevent git from messing uo line endings on checkout
* Fix copy of cygwin.x86_64 dir to relesase tars
* Set execute bit of (almost) all files in release tar; rearrange build step to use cyugwin bash as the shell
* Fix rearrange build step to use cyugwin bash as the shell
* Try a different way of rearrange build step to use cyugwin bash as the shell
* Fix typo
* When cygwin bash as shell did not work; reverting to brute-force way
* Hopefully fix release push not getting tar file
* Cygwin-sdl build working; remove debugging code
* Remove wrokflow files associated with abandoned attempts at building cygwin via docker
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Co-authored-by: Frank Halasz <fghalasz@interlisp.org>
