Added gfortran as a link library.

CMakeLists.txt

@@ -58,6 +58,9 @@ IF(LAPACK_FOUND)
     LIST(APPEND ${PROJECT_NAME}_LINK_SRC_FLAGS ${lapack_lib})
     LIST(APPEND ${PROJECT_NAME}_LINK_FLAGS ${lapack_lib})
   endforeach(lapack_lib)
+  IF (LINUX)
+    LIST(APPEND ${PROJECT_NAME}_LINK_FLAGS -lgfortran)
+  ENDIF(LINUX)
   IF (WIN32)
     LIST(APPEND ${PROJECT_NAME}_CXX_FLAGS "-DBOOST_NUMERIC_BINDINGS_USE_CLAPACK" )
   ENDIF (WIN32)