[all-commits] [llvm/llvm-project] 7d8375: [clang][driver] Fix -print-libgcc-file-name on Dar...

[Gábor Horváth via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7d8375b86ee490acafb4254603ccd4edc2a58256
      https://github.com/llvm/llvm-project/commit/7d8375b86ee490acafb4254603ccd4edc2a58256
  Author: Gábor Horváth <xazax.hun at gmail.com>
  Date:   2024-07-19 (Fri, 19 Jul 2024)

  Changed paths:
    M clang/include/clang/Driver/Driver.h
    M clang/lib/Driver/Driver.cpp
    M clang/lib/Driver/ToolChains/Darwin.cpp
    M clang/lib/Driver/ToolChains/Darwin.h
    A clang/test/Driver/darwin-print-libgcc-file-name.c

  Log Message:
  -----------
  [clang][driver] Fix -print-libgcc-file-name on Darwin platforms (#98325)

On Darwin, -print-libgcc-file-name was returning a nonsensical result.
It would return the name of the library that would be used by the
default toolchain implementation, but that was something that didn't
exist on Darwin.

Fixing this requires initializing the Darwin toolchain before processing
`-print-libgcc-file-name`. Previously, the Darwin toolchain would only
be initialized when building the jobs for this compilation, which is too
late since `-print-libgcc-file-name` requires the toolchain to be
initialized in order to provide the right results.

rdar://90633749

Co-authored-by: Gabor Horvath <gaborh at apple.com>



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