+find_program(YACC_EXE NAMES yacc)
+find_program(LEX_EXE NAMES lex)
+
+if(YACC_EXE AND LEX_EXE)
+ add_custom_target(automaton_generated_src ALL
+ DEPENDS ${CMAKE_HOME_DIRECTORY}/src/xbt/automaton/parserPromela.lex
+ ${CMAKE_HOME_DIRECTORY}/src/xbt/automaton/parserPromela.yacc
+ COMMENT "Generated automaton source files"
+ COMMAND ${YACC_EXE} -d parserPromela.yacc
+ COMMAND ${LEX_EXE} --prefix=xbt_automaton_parse_ --outfile=automaton_parse.yy.c parserPromela.lex
+ COMMAND ${CMAKE_COMMAND} -E remove y.output
+ WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/src/xbt/automaton/
+ )
+
+ SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
+ "${CMAKE_HOME_DIRECTORY}/src/xbt/automaton/y.tab.c;${CMAKE_HOME_DIRECTORY}/src/xbt/automaton/y.tab.h;${CMAKE_HOME_DIRECTORY}/src/xbt/automaton/automaton_parse.yy.c"
+ )
+endif(YACC_EXE AND LEX_EXE)