Experimental Physics and
Industrial Control System

Andrew Johnson via Core-talk <[email protected]> · Thu, 21 Nov 2019 21:10:30 -0000

In #13 above I said that MinGW dynamic builds have worked fine for me
locally since the 3.14.12.6 and 3.15.5 releases. The Travis-CI builds of
Base have also been compiling successfully with WINE=32 TEST=NO
STATIC=NO since April 2017. Note that these are configured for
dist:trusty.

Dirk's failure is happening while .ci/travis/prepare.sh is building Base as a pre-requisite of his StreamDevice job, for dist:xenial. I just tried building the 3.15 branch of epics-base with dist:xenial and it failed exactly the same way:
    https://travis-ci.org/anjohnson/epics-base/jobs/615249472#L834
Thus this cross-build failure seems to have started with the Xenial distro on Travis. The newer Bionic distro also fails with the same error.

A work-around would thus be to use trusty for building against the older
Base branches. We also need to back-port the
78b6312f493bbe02a37cc6f5fdcff38683d51236 commit to the 3.15 branch.

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https://bugs.launchpad.net/bugs/1853168

Title:
  undefined reference to `clock_gettime'

Status in EPICS Base:
  New

Bug description:
  I'm getting this linker error when building Base 3.15.6 with mingw:

  /usr/bin/x86_64-w64-mingw32-g++ -o Com.dll -shared -Wl,--out-
  implib,libCom.dll.a
  -L/home/travis/.cache/base-R3.15.6/lib/windows-x64-mingw       -m64
  -static-libgcc -static-libstdc++            asLib.obj asTrapWrite.obj
  bucketLib.obj postfix.obj calcPerform.obj cvtFast.obj resourceLib.obj
  epicsOnce.obj epicsSingletonMutex.obj dbmf.obj ellLib.obj ellSort.obj
  envSubr.obj envData.obj errlog.obj errSymLib.obj errSymTbl.obj
  fdmgr.obj fdManager.obj freeListLib.obj gpHashLib.obj iocsh.obj
  registry.obj libComRegister.obj iocLog.obj logClient.obj macCore.obj
  macEnv.obj macUtil.obj alarmString.obj aToIPAddr.obj adjustment.obj
  cantProceed.obj epicsConvert.obj epicsExit.obj epicsStdlib.obj
  epicsString.obj truncateFile.obj ipAddrToAsciiAsynchronous.obj
  epicsUnitTest.obj epicsThread.obj epicsMutex.obj epicsEvent.obj
  epicsTime.obj epicsMessageQueue.obj epicsMath.obj epicsAtomicOSD.obj
  epicsGeneralTime.obj osiClockTime.obj osdSock.obj osdSockAddrReuse.obj
  osiSock.obj systemCallIntMech.obj epicsSocketConvertErrnoToString.obj
  osdAssert.obj osdFindSymbol.obj osdInterrupt.obj osdPoolStatus.obj
  osdSignal.obj osdEnv.obj epicsReadline.obj epicsTempFile.obj
  epicsStdio.obj osdStdio.obj osdThread.obj osdThreadExtra.obj
  osdThreadHooks.obj osdMutex.obj osdSpin.obj osdEvent.obj osdTime.obj
  osdProcess.obj osdNetIntf.obj osdMessageQueue.obj devLibVME.obj
  devLibVMEOSD.obj epicsStackTrace.obj osdBackTrace.obj osdFindAddr.obj
  poolJob.obj threadPool.obj epicsRingPointer.obj epicsRingBytes.obj
  taskwd.obj epicsTimer.obj timer.obj timerQueue.obj
  timerQueueActive.obj timerQueueActiveMgr.obj timerQueuePassive.obj
  yajl.obj yajl_alloc.obj yajl_buf.obj yajl_encode.obj yajl_gen.obj
  yajl_lex.obj yajl_parser.obj epicsGetopt.obj setThreadName.obj
  forceBadAllocException.obj  Com.coff    -lws2_32 -ladvapi32 -luser32
  -lws2_32

  osiClockTime.obj:osiClockTime.c:(.text+0xb4): undefined reference to
  `clock_gettime'

  osiClockTime.obj:osiClockTime.c:(.text+0x33b): undefined reference to
  `clock_gettime'

  collect2: error: ld returned 1 exit status

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System