Skip building JVMCI if it is already there
Skip building JVMCI if it is already there

eregon/mozart-graal,eregon/mozart-graal,mistasse/mozart-graal,eregon/mozart-graal,mistasse/mozart-graal,mistasse/mozart-graal,mistasse/mozart-graal,eregon/mozart-graal,eregon/mozart-graal,eregon/mozart-graal,mistasse/mozart-graal