CMake: New variable LLVM_LIBDIR_SUFFIX.

Patch by Ingmar Vanhassel!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73216 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index a21ed20..e525674 100755
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -10,8 +10,8 @@
     add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
   endif( LLVM_COMMON_DEPENDS )
   install(TARGETS ${name}
-    LIBRARY DESTINATION lib
-    ARCHIVE DESTINATION lib)
+    LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+    ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
 endmacro(add_llvm_library name)