[all-commits] [llvm/llvm-project] 7c0678: [CMake] Remove HAVE_LINK_H

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7c06786479311fbf19f54c7980c6e96936fa05a8
      https://github.com/llvm/llvm-project/commit/7c06786479311fbf19f54c7980c6e96936fa05a8
  Author: Fangrui Song <i at maskray.me>
  Date:   2024-08-20 (Tue, 20 Aug 2024)

  Changed paths:
    M llvm/cmake/config-ix.cmake
    M llvm/include/llvm/Config/config.h.cmake
    M llvm/lib/Support/Unix/Signals.inc
    M llvm/unittests/Support/SignalsTest.cpp
    M llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
    M utils/bazel/llvm-project-overlay/llvm/config.bzl
    M utils/bazel/llvm-project-overlay/llvm/include/llvm/Config/config.h
    M utils/bazel/llvm_configs/config.h.cmake

  Log Message:
  -----------
  [CMake] Remove HAVE_LINK_H

We can remove the variable from https://reviews.llvm.org/D5610 since
link.h is available on Linux (glibc/musl/Bionic), FreeBSD, and NetBSD.
Use `__has_include(<link.h>)` before including it.

Pull Request: https://github.com/llvm/llvm-project/pull/104893



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