Cross-compiling would be much more efficient than the current approach of 3x pipelines. It would also enable easier debugging of build issues. Some resources: https://github.com/mxe/mxe https://itk.org/Wiki/ITK/Cross_Compiling#Building_the_ToolChain_for_Windows https://github.com/tpoechtrager/osxcross
Cross-compiling would be much more efficient than the current approach of 3x pipelines. It would also enable easier debugging of build issues.
Some resources:
https://github.com/mxe/mxe
https://itk.org/Wiki/ITK/Cross_Compiling#Building_the_ToolChain_for_Windows
https://github.com/tpoechtrager/osxcross