[Bug 1913699] Re: vxWorks compilation fails with undeclared function

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

As I wrote, PVA compiles for VxWorks 6.3, which means the minimum gcc version would be 3.4.4. However there are many issues with the compiler in 6.4, so probably asking for gcc 4 (VxWorks 6.6) is the best. In that case the patch is not needed but then CONFIG.Common.vxWorksCommon could stop supporting it. I still compile EPICS 7 without PVA for older VxWorks versions, because I still have problems with VxWorks 6.9 on our old MV5100 and MV2300 boards.
I have tried VxWorks 7 but it is completely different from VxWorks 5 or 6. I have not succeeded to build any usable PPC support and of course get no support from WindRicer for old boards. I have basically given up on VxWorks 7.

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https://bugs.launchpad.net/bugs/1913699

Title:
  vxWorks compilation fails with undeclared function

Status in EPICS Base:
  New

Bug description:
  Since -Werror-implicit-function-declaration has been added to configure/CONFIG.gnuCommon in commit b49f0691, EPICS base 7.0 compilation fails for vxWorks in:
  ../osi/os/vxWorks/osdFindSymbol.c: In function `epicsLoadLibrary':
  ../osi/os/vxWorks/osdFindSymbol.c:49: error: implicit declaration of function `close'

  VxWorks declares close() in ioLib.h.

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