From b9069f84fe0fc5d911b9d476da693cda56a2009a Mon Sep 17 00:00:00 2001
From: Phillip Stephens <antidote.crk@gmail.com>
Date: Sun, 11 Dec 2016 12:18:12 -0800
Subject: [PATCH] Fix compiling against LLVM <4.0

---
 atdna/CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/atdna/CMakeLists.txt b/atdna/CMakeLists.txt
index 06ad82a..4d2c993 100644
--- a/atdna/CMakeLists.txt
+++ b/atdna/CMakeLists.txt
@@ -13,6 +13,10 @@ include(FindLLVM.cmake)
 if(NOT LLVM_FOUND)
     message(STATUS "Unable to locate LLVM installation; skipping atdna")
 else()
+find_library(LLVMDEMANGLE_LIB LLVMDemangle)
+if (NOT LLVMDEMANGLE_LIB)
+    set(LLVMDEMANGLE_LIB "")
+endif()
 list(APPEND LLVM_LIBS
      clangFrontend
      clangTooling
@@ -31,7 +35,7 @@ list(APPEND LLVM_LIBS
      LLVMBitReader
      LLVMMC
      LLVMProfileData
-     LLVMDemangle
+     ${LLVMDEMANGLE_LIB}
      LLVMSupport)
 
 string(FIND ${LLVM_VERSION_STRING} "svn" SVN_FILTER_IDX)