Hi Alan,
Well, actually, most of my testing is with dynamic libraries and drivers -
those are the defaults. But with the latest change I have come across a strange
issue regarding the macro WIN32. What it looks like now is that it is defined
with one configuration of the MSVC compiler but not with another one. This is
with Visual Studio 2010 - for some vague reason my Visual Studio 2012
installation is not working properly. I need to examine this more
systematically.
Regards,
Arjen
> -----Original Message-----
> From: Alan W. Irwin [mailto:ir...@beluga.phys.uvic.ca]
> Sent: Wednesday, March 18, 2015 12:18 PM
> To: Laurent Berger
> Cc: Arjen Markus; Phil Rosenberg; Jim Dishaw; PLplot development list
> Subject: Re: [Plplot-devel] Call for testing of the PLplot git master tip
> version VS2012,
> shared libraries
>
> On 2015-03-18 10:04+0100 Laurent Berger wrote:
>
> > but how can I set COMPILE_DEFINITIONS?
> > At line 68-69 of CmakeLists.txt i can find
> > SET_SOURCE_FILES_PROPERTIES(${plplot_LIB_SRCS}
> > PROPERTIES COMPILE_FLAGS "-DUSINGDLL" ) but (may be I'm wrong) it's
> > only for plplot_LIB_SRCS and test_plbuf.c it's not in the list.
>
> Hi Laurant:
>
> Oops, you are right, and that might be the key for solving this issue.
>
> I was completely focussed on the shared library because it is important to
> export all
> symbols from there (which requires USINGDLL to be set for the library).
> Nothing
> special has to be done to import symbols into a C example for the gcc case
> with --
> visibility=hidden (All Unices, Cygwin, MinGW/MSYS, MinGW-w64/MSYS2) so I
> completely forgot about that issue for MSVC where apparently (from the CMake
> logic in include/pldll.h.in) something special does have to be done to import
> symbols,
> and that only happens if USINGDLL is set for all the C examples. That had
> already
> been done for examples/c/x??c, but not for several other C examples including
> test_plbuf.
>
> So I have now made sure that USINGDLL has been set for all examples in
> examples/c (commit id = ac66c44, the current master tip) so please give that
> a try
> and let us know if that completely solves the issues with shared libraries
> that you
> have been experiencing with MSVC and test_plbuf.
>
> @Phil, Arjen, and Jim:
>
> I have a feeling you guys have only been doing MSVC tests for the static
> library
> case because you saw some unresolved symbols for the shared library case. But
> please don't be so polite by keeping those build system issues to yourselves.
> :-) I
> really do want to know about and completely solve issues like that on Linux,
> and I
> hope to inspire you guys to have a similar "zero tolerance" attitude for
> build system
> issues on Windows.
>
> N.B. With luck commit id ac66c44 should be a complete cure for MSVC symbol
> visibility issues for the C examples case. However, I am sure there are also
> such
> issues for C++, Tcl, Tk, etc. examples so I will fix those after I get some
> sleep
> (unless you give me a nice surprise and beat me to that fix now I have shown
> what
> needs to be done for every add_executable command in
> examples/c++/CMakeLists.txt, etc.)
>
> Alan
> __________________________
> Alan W. Irwin
>
> Astronomical research affiliation with Department of Physics and Astronomy,
> University of Victoria (astrowww.phys.uvic.ca).
>
> Programming affiliations with the FreeEOS equation-of-state implementation for
> stellar interiors (freeeos.sf.net); the Time Ephemerides project
> (timeephem.sf.net);
> PLplot scientific plotting software package (plplot.sf.net); the libLASi
> project
> (unifont.org/lasi); the Loads of Linux Links project (loll.sf.net); and the
> Linux Brochure
> Project (lbproject.sf.net).
> __________________________
>
> Linux-powered Science
> __________________________
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