[PATCH] D122931: [CMake][compiler-rt] Support for using in-tree libc++

[Petr Hosek via Phabricator via cfe-commits]

phosek created this revision.
phosek added reviewers: ldionne, smeenai, beanz.
Herald added subscribers: abrachet, mgorny, dberris.
Herald added a project: All.
phosek requested review of this revision.
Herald added projects: clang, Sanitizers.
Herald added subscribers: Sanitizers, cfe-commits.

compiler-rt build has several options for choosing C++ ABI and C++
library for testing. These options are inadequate and incorrect as they
don't set the dependencies correctly when using in-tree libc++ and don't
support runtimes like ORC or XRay that use C++ library.

      

This change replaces these options with COMPILER_RT_USE_LIBCXX that
determines whether to use in-tree libc++ or not. If yes, it correctly
sets the dependendencies using generator expresions. If not, users
should use standard flags like CMAKE_CXX_FLAGS to select their preferred
C++ standard library.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122931

Files:
  clang/cmake/caches/Fuchsia-stage2.cmake
  compiler-rt/CMakeLists.txt
  compiler-rt/lib/fuzzer/CMakeLists.txt

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