Experimental Physics and
Industrial Control System

Benjamin Franksen <[email protected]> · Thu, 19 Dec 2013 12:11:46 +0100

Hi Jueri

I am forwarding this to techtalk as I have no idea how to properly solve
this build problem.

On Wednesday, December 18, 2013 14:47:27 Tagger, Jueri wrote:
> I tried to build seq-2.1.15 with base-3.14.12.4 using Visual Studio
> 2010. The sequencer build failed at linking the test app
> pvPutAsync.lib with error:
>
> pvPutAsync.obj : error LNK2001: unresolved external symbol
> _seq_sync_timeout pvPutAsync.exe : fatal error LNK1120: 1 unresolved
> externals
>
> To my understanding the seq_sync_timeout should be in seq.lib which
> was successfully built earlier and linked in. However, it the missing
> symbol is not there. Any ideas?

and as a follow up:
> Regarding: pvPutAsync.obj : error LNK2001: unresolved external symbol
> _seq_sync_timeout
>
> It appeared that linking of seq.lib with Visual Studio 2010 SP 1
> requires additional link option: /EXPORT:seq_sync_timeout (Otherwise
> variable double seq_sync_timeout = 10.0; from file
> seq-2.1.15/src/seq/seq_if.c  does not get exported.)
>
> I just rebuilt the seq.lib with the /EXPORT option but there is surely
> a proper place where this option can be inserted.

Could someone (Andrew?) give advice on how to properly fix this in the
sequencer? Should I add some magic annotation to the variable's
declaration?

Cheers
Ben
--
"Make it so they have to reboot after every typo." ― Scott Adams

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System