Re: [Plplot-devel] How to use plplot in my own project?

[Laurent B. <lau...@un...>]

In a small project https://github.com/LaurentBerger/AAPlus, I use this 
https://stackoverflow.com/questions/29971026/generator-expression-for-install-commands 



Le 29/09/2018 à 10:53, Phil Rosenberg a écrit :
> Hi Laurent
> Just a not about naming - I too expected a d suffix on the library
> name to represent debug when I first started using plplot. There used
> to be a cmake option to add a suffix to the name, but it is no longer
> listed on https://sourceforge.net/p/plplot/wiki/CMake_options_for_PLplot/
> - Alan do you know if it is still implemented and if so what it is?
> There used to be a d suffix added to represent the fact that the
> library was built with double precision floating point variables, but
> I don't think this is the case any more.
>
> I used to add the d suffix for debug builds, but in the end I stopped.
> I came across too many libraries that didn't do it. I have a feeling
> it is an inherently windows style thing (you only need debug libraries
> if they are static rather than shared and Linux users never seem to
> build static libraries), so many Linux-centric open source projects
> don't do it. Maybe I'm wrong in saying this, it's only my thoughts.
> Anyway, my solution was to install my debug libraries in a folder
> specific to debug libraries. Almost every library has a way to specify
> the install prefix. With plplot you can do this with the
> -DCMAKE_LIBRARY_PATH or -DCMAKE_INSTALL_PREFIX
>
> Whether you go for a prefix option or if a suffix is possible you will
> need to run cmake twice, once for release and once for debug and once
> for release by setting the -DCMAKE_CONFIGURATION_TYPES options to
> "Debug" or "Release".
>
> Phil
> On Tue, 25 Sep 2018 at 22:08, Alan W. Irwin <Ala...@gm...> wrote:
>> On 2018-09-25 22:05+0200 Laurent Berger wrote:
>>
>>> Hi,
>>>
>>> I want to use plplot in my own project using cmake and I miss something. my
>>> cmakelists.txt is see below and it works. But in include_directories cmake
>>> command I must write :
>>>
>>> include_directories(${plplot_DIR}/../../../include) and it is really weird.
>>> what's variable name for include ?
>> [...]
>>
>>> CMakeLists.txt
>>>
>> [...]
>>> find_package(plplot)
>> [...]
>>> ADD_EXECUTABLE (${NomProjet} ${Projet_SRCS} )
>> [...]
>>> if (plplot_FOUND)
>>>
>>>      include_directories(${plplot_DIR}/../../../include)
>>>      target_link_libraries( ${NomProjet} PUBLIC PLPLOT::plplotwxwidgets)
>>> else (plplot_FOUND)
>>> message( " PROBLEME" )
>>> endif(plplot_FOUND)
>> Hi Laurent:
>>
>> I have reviewed the redacted version above, and all seems well.  For
>> example, our installed examples are similarly built against the
>> installed version of PLplot, and what you have implemented above
>> follows that same method.  For example, you can see
>> "find_package(plplot)" (in the non-CORE_BUILD part of
>> examples/CMakeLists.txt), and a combination of add_executable,
>> include_directories (which refers to the installed location of PLplot
>> for the non-CORE_BUILD case just like you apparently have
>> implemented), and target_link_libraries in examples/c/CMakeLists.txt.
>>
>> However, you were right to question that include_directories command
>> which is necessary now, but should not be necessary in future once I
>> set up the export of PLplot to handle compile options properly.  But
>> that implementation is a little tricky so although it is on my ToDo
>> list now, I am going to put it off until after the 5.14.0 release that
>> is coming soon.
>>
>> Alan
>> __________________________
>> Alan W. Irwin
>>
>> 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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