build: Deal with Qt depends .qmake.stash file #2048
Merged
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#2038 added a top-level Qt SUBDIRS-type project in 6f090a0 to the Qt depends recipe to manage auxillary Qt modules needed by the project, and this causes Qt to generate a .qmake.stash file in the depends directory. The file contains a cache of qmake build variables which can cause issues with subsequent static builds that target a different platform or SDK than those selected for the previous depends build.
This ensures that the Qt recipe clears the stash file when rebuilding the Qt packages, and qmake will regenerate it as needed.