[PATCH] D85474: Add -fbinutils-version= to gate ELF features on the specified binutils version

[Fangrui Song via Phabricator via cfe-commits]

MaskRay marked an inline comment as done.
MaskRay added inline comments.


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Comment at: clang/include/clang/Driver/Options.td:3307-3310
+def fbinutils_version_EQ : Joined<["-"], "fbinutils-version=">, Group<f_Group>,
+  HelpText<"Produced object files can use ELF features only supported by ld newer than the specified version. If"
+  "-fno-integrated-as is specified, produced assembly can use newer ELF features. "
+  "'future' means that features not implemented by any known release can be used">;
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jhenderson wrote:
> It might be helpful to indicate what the default is.
The default can be overridden by targets. Don't know how to document it.

(If this ever gets wider use, people may want to add a configure time variable.)


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D85474/new/

https://reviews.llvm.org/D85474