set (DIALECTS_PL
bprolog.yap
commons.yap
hprolog.yap
swi.yap
)
add_custom_target( dialects
DEPENDS visited
SOURCES ${DIALECTS_PL} )
add_custom_command (OUTPUT visited
COMMAND ${CMAKE_COMMAND} -E touch visited
DEPENDS ${DIALECTS_PL} ) # WORKING_DIRECTORY ${CMAKE_BINARY_DIR} )
install(FILES ${DIALECTS_PL}
DESTINATION ${libpl}/dialect