Re: wxWidgets 3.2.2.1: Does configure install wxWidgetsConfig.cmake?

Confusing typo, it should have been: You CAN'T just generate them...

On 2 Oct 2023 23:29, Maarten Bent wrote:
> There is https://github.com/wxWidgets/wxWidgets/issues/22714 that 
> addresses the issue of different files being installed.
> I haven't looked into it yet.
>
> wxWidgetsConfig.cmake is not a stand-alone file. It relies on 
> wxWidgetsTargets.cmake.
> These target files are generated by CMake, and contain compile 
> definitions, include directories, link dependencies and library paths 
> and names for each library.
>
> You can just generate them, add them to the repo, and include them in 
> the installers.
> Different configure options (like shared or static) will result in 
> different library names.
> And link dependencies (paths/names) could be different for different 
> distros.
> So you'll need some script that generates the config and target 
> file(s), and fills them with the stuff from configure.
> Which seems not at all trivial.
>
> To solve your initial problem.
> If wxWidgets is installed with configure, you can use 
> find_package(wxWidgets) 
> (https://cmake.org/cmake/help/latest/module/FindwxWidgets.html) 
> (without CONFIG).
> This use wx-config internally. Your configure install should have 
> installed this wx-config.
> So I think if /path/to/somewhere/bin is in your path, it should find 
> and use that wx-config, and CMake will be able to find that wxWidgets 
> installation.
> Setting a WX_CONFIG env. var. is also possible.
>
> Maarten
>
>
> On 2 Oct 2023 22:35, Vadim Zeitlin wrote:
>> On Mon, 02 Oct 2023 22:04:46 +0200 Joost Kraaijeveld wrote:
>>
>> JK> Just as Ian says. E.g. Debian (my distro) uses configure to build
>> JK> wxWidgets as the system installed version. Now I cannot use the Debian
>> JK> installed package with cmake for some applications I maintain.
>>
>>   I don't know how do packagers handle this with the other libraries
>> supporting both autotools and CMake (we can't be the only ones, right?).
>>
>> JK> But then, I don't know whether this is difficult to do this with the
>> JK> current configure-based build. Is it difficult?
>>
>>   I don't know, sorry. I guess the simplest way would be to use CMake to
>> just generate the required files and then install them?
>>
>> On Mon, 02 Oct 2023 22:28:26 +0200 Joost Kraaijeveld wrote:
>>
>> JK> BTW: comparing the installed versions of a configure-build and a cmake-
>> JK> build one have a rather different set of installed files (besides
>> JK> common files).
>> JK>
>> JK> E.g. the cmake-version has Android-headers, dfb-headers, a different
>> JK> set of generic headers (a super-set of the configure-set), gtk-private
>> JK> headers, motif-headers etc.
>>
>>   This looks like a bug in CMake install, it really shouldn't install all
>> these headers, especially the private ones.
>>
>>   Regards,
>> VZ
>>
>
>

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