Re: #ifdef EPICS3_14

[Dirk Zimoch <dirk.zimoch@psi.ch>]

I use:

#if ((EPICS_VERSION==3 && EPICS_REVISION>=14) || EPICS_VERSION>3)
#include<epicsExport.h>
epicsExportAddress(dset,devAiStream);
#endif

Dirk


David M. Kline wrote:
> Till Straumann wrote:
>
> > David M. Kline wrote:
> >
> > > i use something like this:
> > > ------------------------------------------------------------------------------------------ 
> > >
> > > /* EPICS base version-specific definitions (must be performed first) */
> > > #include <epicsVersion.h>
> > > #define LT_EPICSBASE(v,r,l) ((EPICS_VERSION<=(v)) && 
> > > (EPICS_REVISION<=(r)) && (EPICS_MODIFICATION<(l)))
> > I believe your test is wrong - 3.13.8 would not pass 
> > LT_EPICBASE(3,14,6), i.e., would not reach
> > the #error statement
> >
> > It should be
> >
> > (  EPICS_VERSION<(v) ||
> >  (EPICS_VERSION==(v) && (  EPICS_REVISION < (r) ||
> >                                              ( EPICS_REVISION == (r) 
> > && EPICS_MODIFICATION < (l) )
> >                                              )
> >  )
> > )
> >
> > BTW: wrong implementations can be found in gtr and other packages 
> > which illustrates
> > that having a correct version in a base header would make real sense. 
> > Applications could
> > then test
>
>
>
> i agree.
>
> oops ...  you are absolutely correct, i'm embarrassed. sorry to everyone 
> for the
> misinformation... (i'll go crawl into a hole now.)
>
> thanks for bringing this to my attention,
> /david
>
> > #if !defined(LT_EPICSBASE) || LT_EPICSBASE(x,y,z)
> >  #error
> > #endif
> >
> > Regards
> > -- Till
> >
> > > /* Evaluate EPICS base */
> > > #if LT_EPICSBASE(3,14,6)
> > >     #error "EPICS base must be 3.14.6 or greater"
> > > #endif
> > > ------------------------------------------------------------------------------------------ 
> > >
> > > you can make variations as well..
> > >
> > > tschuess!
> > > /david
> > >
> > >
> > > Steven Hartman wrote:
> > >
> > > > I have a number of EPICS 3.13 VxWorks device/drivers which I would 
> > > > like to
> > > > start using with EPICS 3.14, also with VxWorks. From the "Converting an
> > > > EPICS R3.13 application to R3.14.4" document, I see that the 
> > > > addition of
> > > > two lines is the minimum that is required.
> > > >
> > > > I would like to be able to maintain the same source code for both 
> > > > the 3.13
> > > > and 3.14 apps. So, what I would like to be able to do is something 
> > > > like:
> > > >
> > > > #ifdef EPICS3_14
> > > >  #include <epicsExport.h>
> > > >  . . .
> > > >  epicsExportAddress(dset,devFoo);
> > > > #endif
> > > >
> > > > My question is, Is there already an `official' identifier defined to 
> > > > use
> > > > for such preprocessor conditionals that I can use for this?
> > > >
> > > > Thanks,
> > > >  
> > >
> > > --
> > >
> > > +-------------------------------------------------+
> > > Argonne National Laboratory
> > > APS Operations Division (AOD)
> > > Beamline Controls and Data Acquisition (BCDA)
> > >
> > > EPICS Application Development and Beamline Support
> > > David M. Kline
> > > (630) 252-8639
> > > dkline@aps.anl.gov
> > > +-------------------------------------------------+
> > >  

--
Dr. Dirk Zimoch
Swiss Light Source
Paul Scherrer Institut
Computing and Controls
phone +41 56 310 5182
fax   +41 56 310 4413