Fixed problem with locating compound lib in out of sources builds using

relative paths

CMakeLists.txt

@@ -152,7 +152,7 @@ add_definitions(-DEIGEN2_SUPPORT)
 if (COMPOUND_LIB)
   set(_COMP_LIB "${COMPOUND_LIB}")
   if (NOT IS_ABSOLUTE "${COMPOUND_LIB}")
-    set(COMPOUND_LIB "${CMAKE_CURRENT_SOURCE_DIR}/${COMPOUND_LIB}")
+    set(COMPOUND_LIB "${CMAKE_CURRENT_BINARY_DIR}/${COMPOUND_LIB}")
   endif()
 else()
   set(_COMP_LIB "NONE")