There are various issues with chcon and selinix systems.

this might be a good thing to add to the open jdk wiki.

5. On fedora linux I get the following message that is
harmless for developer builds but maybe should be better
explained somewhere:

/usr/bin/chcon: failed to change context of `libjvm.so' to `system_u:object_r:textrel_shlib_t:s0': Operation not supported
ERROR: Cannot chcon libjvm.so