Support LLVM_LIBDIR_SUFFIX.

This is useful for distros installing under /usr/lib64.

Patch from İsmail Dönmez.


git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@212826 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ae0befb..81b61ef 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -82,6 +82,6 @@
   )
 
 install(TARGETS cxxabi
-  LIBRARY DESTINATION lib
-  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+  ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
   )
diff --git a/src/Unwind/CMakeLists.txt b/src/Unwind/CMakeLists.txt
index ee24504..7e38e0f 100644
--- a/src/Unwind/CMakeLists.txt
+++ b/src/Unwind/CMakeLists.txt
@@ -96,6 +96,6 @@
   )
 
 install(TARGETS unwind
-  LIBRARY DESTINATION lib
-  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+  ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
   )