[PATCH] D121868: [cc1as] Add support for emitting the build version load command for -darwin-target-variant

[Byoungchan Lee via Phabricator via cfe-commits]

bc-lee created this revision.
bc-lee added reviewers: arphaman, MaskRay.
Herald added a project: All.
bc-lee requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

This patch extends cc1as to export the build version load command with
LC_VERSION_MIN_MACOSX.
This is especially important for Mac Catalyst as Mac Catalyst uses
the MacOS's compiler rt built-ins.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121868

Files:
  clang/include/clang/Driver/Options.td
  clang/include/clang/Driver/ToolChain.h
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Driver/ToolChains/Darwin.h
  clang/tools/driver/cc1as_main.cpp

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