Ticket #431: Jamfile

# Creates "generated" files users will depend on.
actions Gen {
        echo '>' Start generating $(<)
        sleep 1
        echo '>' Done generating $(<)
}

# Will use files generated by a 'Gen' actions.
rule Use {
        DEPENDS $(<) : $(>) ;
}

actions Use {
        echo "> $(<) is using generated file" $(>)
        sleep 1
        echo "> $(<) is done."
}

Gen g1.generated g2.generated ;

Use u1.user : g1.generated ;
Use u2.user : g2.generated ;

DEPENDS all : u1.user u2.user ;
#DEPENDS g2.generated : g1.generated ;