[Issue 15282] Import osmodel.mak from dmd to detect OS and MODEL

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15282

--- Comment #4 from github-bugzi...@puremagic.com ---
Commit pushed to stable at https://github.com/dlang/tools

https://github.com/dlang/tools/commit/6220f0a31d0934c0a8d87ff7650e209e29400e14
Merge pull request #179 from sohgo/import-osmodel.mak

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