[Bug 1853168] [NEW] undefined reference to `clock_gettime'

[Dirk Zimoch via Core-talk <core-talk@aps.anl.gov>]

Public bug reported:

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

** Affects: epics-base
     Importance: Undecided
         Status: New

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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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