Thanks to some offlist help: It's a runtime option, not a build option. On 11/19/13 7:34 PM, Pete Brunet wrote: > p.s. I tried the following on the configure but don't see any indication > that this switch was used. > > --with-boot-jdk-jvmargs="-Xcheck:jni" > > On 11/19/13 7:30 PM, Pete Brunet wrote: >> How do I get the jdk 8 build to use -Xcheck:jni?