Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -28,6 +28,7 @@
 set(LLVM_VERSION_MAJOR 3)
 set(LLVM_VERSION_MINOR 6)
 set(LLVM_VERSION_PATCH 0)
+set(LLVM_VERSION_SUFFIX svn)
 
 if (NOT PACKAGE_VERSION)
   set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}svn")
Index: cmake/modules/AddLLVM.cmake
===================================================================
--- cmake/modules/AddLLVM.cmake
+++ cmake/modules/AddLLVM.cmake
@@ -320,6 +320,11 @@
         PROPERTIES
         IMPORT_SUFFIX ".imp")
     endif ()
+
+    set_target_properties(${name}
+      PROPERTIES
+      SOVERSION ${LLVM_VERSION_MAJOR}
+      VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
   endif()
 
   if(ARG_MODULE OR ARG_SHARED)