jnr.posix.LinuxPOSIXTest fails on Gentoo ppc64

[vaukai]

Downstream bug report: https://bugs.gentoo.org/866199

build.log.txt

[headius]

Unfortunate that this is not passing. I'm not sure why the msghdr definition would differ enough on ppc to fail this test.

[judovana]

Just heads up for 3.1.7 and3.1.20 :

184:Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.355 sec - in jnr.posix.SignalTest
185-OpenJDK 64-Bit Server VM warning: Ignoring option MaxPermSize; support was removed in 8.0
186-Running jnr.posix.LinuxPOSIXTest
187-Running jnr.posix.ConfstrTest
188:Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.365 sec <<< FAILURE! - in jnr.posix.LinuxPOSIXTest
189:testMessageHdrMultipleControl(jnr.posix.LinuxPOSIXTest)  Time elapsed: 0.049 sec  <<< FAILURE!
190:java.lang.AssertionError: expected:<2> but was:<1>
191:	at org.junit.Assert.fail(Assert.java:89)
192:	at org.junit.Assert.failNotEquals(Assert.java:835)
193-	at org.junit.Assert.assertEquals(Assert.java:647)
194-	at org.junit.Assert.assertEquals(Assert.java:633)
195-	at jnr.posix.LinuxPOSIXTest.testMessageHdrMultipleControl(LinuxPOSIXTest.java:143)
196-
197-Successfully loaded native POSIX impl.
198:Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.307 sec - in jnr.posix.ConfstrTest

I can see it on all fedoras and rhels too.