Experimental Physics and
Industrial Control System

Michael Davidsaver <[email protected]> · Tue, 6 Feb 2018 14:27:52 -0800

On 02/06/2018 01:25 PM, Mark Rivers wrote:
> I am getting an error building pva2pva for the windows-x64-debug architecture on VS2010.  I don’t think this is an error I have previously reported.  I don’t know how to fix it.
...
> 
> link -nologo  -debug -incremental:no -fixed:no -MACHINE:X64              -out:p2p.exe       gwmain.obj server.obj chancache.obj moncache.obj channel.obj     H:/epics-devel/base-7.0
> 
> .1/lib/windows-x64-debug/pvAccessIOC.lib  H:/epics-devel/base-7.0.1/lib/windows-x64-debug/pvAccess.lib  H:/epics-devel/base-7.0.1/lib/windows-x64-debug/pvData.lib  H:/epics-devel/b
> 
> ase-7.0.1/lib/windows-x64-debug/Com.lib
> 
> Com.lib(Com.dll) : error LNK2005: "public: __cdecl epicsTimerNotify::epicsTimerNotify(void)" (??0epicsTimerNotify@@QEAA@XZ) already defined in server.obj
> 
>    Creating library p2p.lib and object p2p.exp
> 
> p2p.exe : fatal error LNK1169: one or more multiply defined symbols found

Gosh Mark, you sure find some good issues.

Let's assume this is an dllimport vs. export bug.  Can you add the following to p2pApp/server.cpp
above the epicsExportSharedSymbols and see if the situation changes at all?

> #include <epicsTimer.h> // add this line
> #define epicsExportSharedSymbols

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System