Wireshark-dev: Re: [Wireshark-dev] Building RPM proprietarry plugin including math.h fails
From: Anders Broman <[email protected]>
Date: Wed, 29 Aug 2018 07:09:42 +0200


Den ons 29 aug. 2018 07:03João Valverde <[email protected]> skrev:


On 29/08/18 05:53, Guy Harris wrote:
> On Aug 28, 2018, at 9:27 PM, João Valverde <[email protected]> wrote:
>
>> On 29/08/18 05:15, Anders Broman wrote:
>>
>>> If indeed that is the problem (very likely) the decision to make these libraries PRIVATE was intentional because the only external linkage requirement that I saw was glib.
>>> Yes this was the problem as I suspected yesterday, it just took a while to verify as I had to delete the build directory to have the cmake changes take effect. Another question
>>
>> It's not a bug in Wireshark, it's a bug in your build, IMO.
>
> If your plugin calls C math functions, the "math library" is an external linkage requirement; some platforms have a separate "math library", some don't.  M_LIBRARIES should be set as necessary by the CMake module for libm.

And if my plugin calls requires libfoozbar that's an automatic
libwireshark dependency then? Or doesn't call C math functions, why
should my plugin be force to link with libm? Point is any library is
already available to plugins.


Not sure what you are saying, where should what be done to make the build work? 
Anders


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