[all-commits] [llvm/llvm-project] d6cd8d: [lld-macho] Use ld64's LC_LINKER_OPTIONS behavior ...

[Keith Smiley via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d6cd8d6b1987be6abc2c2e854358f72c00d910a5
      https://github.com/llvm/llvm-project/commit/d6cd8d6b1987be6abc2c2e854358f72c00d910a5
  Author: Keith Smiley <keithbsmiley at gmail.com>
  Date:   2022-12-22 (Thu, 22 Dec 2022)

  Changed paths:
    M lld/MachO/Config.h
    M lld/MachO/Driver.cpp
    M lld/MachO/Options.td
    M lld/test/MachO/lc-linker-option.ll

  Log Message:
  -----------
  [lld-macho] Use ld64's LC_LINKER_OPTIONS behavior by default

By default ld64 ignores invalid LC_LINKER_OPTIONS unless the link fails,
in which case it prints a warning. Originally lld chose to be strict
about these, but it has uncovered that many of these exist in open
source projects today, since before developers never would have noticed
this issue. In order to make adoption of lld easier, this mirrors ld64's
behavior, while also adding a `--strict-auto-link-options` flag if
projects want to audit their libraries for these invalid options.

More discussion on https://reviews.llvm.org/D140225
Fixes https://github.com/llvm/llvm-project/issues/59627

Differential Revision: https://reviews.llvm.org/D140491