[PATCH] D31858: Reland "[CMake][libunwind] Use -nodefaultlibs for CMake checks"

[Petr Hosek via Phabricator via llvm-commits]

phosek created this revision.
Herald added subscribers: mgorny, rengolin, aemerson.

This is a reland of commit r299796.

      

Turned out that we need gcc_s or compiler-rt on ARM when checking the support for -funwind-tables which creates a dependency on __aeabi_unwind_cpp_pr0 symbol that's provided by the compiler runtime.


Repository:
  rL LLVM

https://reviews.llvm.org/D31858

Files:
  CMakeLists.txt
  cmake/Modules/HandleCompilerRT.cmake
  cmake/config-ix.cmake

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