tree c0c11d9a72049156db08359ab982149f802c338f
parent 5d321c1c3e0bc79d6abc1b9092eae34cf200ad42
author Bruno Cardoso Lopes <bruno.cardoso@gmail.com> 1469556563 +0000
committer Bruno Cardoso Lopes <bruno.cardoso@gmail.com> 1469556563 +0000

[CMAKE] Find ld64 using xcrun

Given similar reasons from r276710, ld64 scrubs DYLD_* environment if
called from the shim executable /usr/bin/ld.

Add support for finding ld64 via xcrun.

This is needed in order to get LIT to have the full path to the ld4
executable.

Differential Revision: https://reviews.llvm.org/D22791

rdar://problem/24300926

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276781 91177308-0d34-0410-b5e6-96231b3b80d8