Re: Building a library as both static and dynamic

[Efraim Flashner <efraim@flashner.co.il>]

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On Sun, Sep 27, 2020 at 07:57:19AM -0400, Greg Hogan wrote:
> Is there a best practice or example for building a library twice, both static and dynamic? I submitted patch #43620, and in working on another library have the same issue. These are cmake builds with a parameter declaration for either a static or dynamic build, not both. I would like to create a single package with both “out” and “static” outputs, which looks to be standard across Guix.
> 
> One idea is to run the configure / make / make install phases twice. modify-phases does not currently support copying phases (though add-after could work with the right function reference from cmake-build) and #:configure-flags would need to be set differently.
> 
> Another option would be to patch the source build files, but this problem feels solvable in Guix without duplicating the code from cmake-build’s configure.
> 
> Thanks,
> Greg

x265 is a package that uses cmake and is built multiple times with
different options and with a separate static output.

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