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Use more information from rustc's target spec #1249

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madsmtm opened this issue Oct 31, 2024 · 0 comments
Open
12 tasks

Use more information from rustc's target spec #1249

madsmtm opened this issue Oct 31, 2024 · 0 comments

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@madsmtm
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madsmtm commented Oct 31, 2024 •
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There's a lot more useful information exposed in rustc's target spec that cc could use after #1225. Opening this issue to track the progress on using those.

Specifically:

  • llvm-target and llvm-abiname
  • target-endian
  • linker
  • pre-link-objects/post-link-objects/pre-link-objects-fallback/crt-static-allows-dylibs/etc. for better -Clink-self-contained?
  • link-env/link-env-remove
  • cpu? See also Pass target-cpu to C compilers #268
  • dynamic-linking (for diagnostics?)
  • frame-pointer
  • default-dwarf-version
  • position-independent-executables/static-position-independent-executables
  • panic-strategy (for -fno-exceptions)
  • eh-frame-header?

Note that we still have to implement fallbacks for each of these for custom target specs.
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