reference linux jdk8 build fails, unable to build jfr.jar

essentially a openjdk build, shouldn't be attempting to do anything with jfr.jar
## Starting images
Creating images/lib/charsets.jar
Creating images/lib/ext/cldrdata.jar
Creating images/lib/ext/dnsns.jar
gmake[2]: *** No rule to make target `/HUDSON/workspace/8-2-build-rlinux-i586/jdk8-build/112/builds/b106/se-linux-i586-ea-fastdebug/images/lib/jfr.jar', needed by `all'. Stop.
gmake[1]: *** [images] Error 2
make: *** [images-only] Error 2
Archiving artifacts
Recording test results
Notifying upstream projects of job completion
Finished: FAILURE