[all-commits] [llvm/llvm-project] a6a016: cmake: Gate host library targets on shared library...

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/runtimes-fix-cross-compile-host-library-targets
  Home:   https://github.com/llvm/llvm-project
  Commit: a6a016c2da00a77daa22bbe3f26dca7ff9ba4266
      https://github.com/llvm/llvm-project/commit/a6a016c2da00a77daa22bbe3f26dca7ff9ba4266
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2026-07-09 (Thu, 09 Jul 2026)

  Changed paths:
    M clang/cmake/modules/ClangConfig.cmake.in
    M llvm/cmake/modules/LLVMConfig.cmake.in

  Log Message:
  -----------
  cmake: Gate host library targets on shared library support

This avoids cmake warnings about importing unsupported shared libraries (which
are also host build artifacts) when building libc for amdgpu.

00b2f81 guarded exported library targets and host find_package() calls behind
"if(NOT CMAKE_CROSSCOMPILING)". The intent was to avoid importing the always-shared
targets (LTO, Remarks) on targets which will warn due to not supportind shared
libraries. However CMAKE_CROSSCOMPILING is too broad since it is also set for
usable cross-built libraries.

Change to check if the consuming platform supports shared libraries instead. This
feels not quite precise though, since the found libraries could still be static.

Co-authored-by: Claude (Opus 4.8) <noreply at anthropic.com>



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