Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -162,7 +162,9 @@
   if (LIBCXX_CXX_ABI_INTREE)
     # Link against just-built "cxxabi" target.
     set(CXXABI_LIBNAME cxxabi)
-  else()
+  elseif(LIBCXX_LIBCXXABI_LIBRARY)
+    set(CXXABI_LIBNAME ${LIBCXX_LIBCXXABI_LIBRARY})
+  else()	
     # Assume c++abi is installed in the system, rely on -lc++abi link flag.
     set(CXXABI_LIBNAME "c++abi")
   endif()