+Find_program( READLINK_PROGRAM readlink)
+
+If(READLINK_PROGRAM)
+ Execute_process(COMMAND readlink -f ${ALICE_ROOT}
+ COMMAND xargs svn info
+ OUTPUT_VARIABLE _svn_out)
+Else(READLINK_PROGRAM)
+ Execute_process(COMMAND svn info ${ALICE_ROOT}
+ OUTPUT_VARIABLE _svn_out)
+Endif(READLINK_PROGRAM)