While I'm not familiar with j.u.concurrent build infrastructure, but the issue about missing native function is known and I'll file a jira and provide a fix today.
Nik.
1) Natives are missing. In particular, java.util.concurrent.atomic.AtomicLong.VMSupportsCS8 looks like should be implemented on VM side. 2) ant test -Dbuild.module=concurrent does not work. The output is as follows: support-jar: [jar] Building jar: C:\_work_\harmony\enhanced\classlib\trunk\deploy\build \test\support.jar test-modules: test: full-report: BUILD FAILED C:\_work_\harmony\enhanced\classlib\trunk\build.xml:167: The following error occ urred while executing this line: C:\_work_\harmony\enhanced\classlib\trunk\make\build-test.xml:58: C:\_work_\harm ony\enhanced\classlib\trunk\build\test_report not found. Do I miss something important? -- Pavel Pervov, Intel Enterprise Solutions Software Division