libcxxabi cmake: Use HandleLLVMOptions.cmake, don't manually add -std=c++11.

No intended behavior change on Linux and Mac OS X.  On Windows, having libcxxabi
in one's checkout should now no longer break running cmake. (cl.exe supports
c++11, but doesn't understand a -std= flag.)


git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@213214 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed
tree: 96224874d775e4736266d914d2637cbe65c1513b
  1. CMakeLists.txt
  2. CREDITS.TXT
  3. LICENSE.TXT
  4. cmake/
  5. include/
  6. lib/
  7. src/
  8. test/
  9. www/