Merge official spice2x 'main', up to b53447b
Notes: dc82c98 is where the nixac fork starts.
- Upstream's OBJECT-library + forbidden-static-DLL-import build refactor
merged with nixAC's blob/dsdmo resources
- SPICE_XP / runtime large-address-aware detection builds have been
integrated from upstream
- README.md grabs from upstream; .gitignore keeps nixAC's fork-specific
entries
REDCODE
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