[CMake] ?= Looking for an explanation: What exactly means "install" in cmake language

[Eric Noulard]

Le mar. 8 oct. 2019 à 12:52, Cornelis Bockemühl <cornelis at bockemuehl.ch> a
écrit :

> One more finding: the "magic" that QtCreator does to start example also
> without any additional fiddling with the RPATH: it already contains a
> RUNPATH, and this points to the shared library libshlibbu.so in it's build
> tree location, not in the installed location - and the same with
> libshlibbu.so.
>
> And the "install" process indeed handles the RPATH/RUNPATH: it simply
> removes it!
>
> Meaning: it I want to end up what I initially expected, I have to do two
> additional things manually (or maybe there is an automatic way??):
>
> 1) copy the shared libraries to the "example" install directory tree
> 2) add some RPATH or RUNPATH setting to all the binaries that need it
>

You should read how RPATH handling is done with CMake.
see:
https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/RPATH-handling

As you already noted there is a build RPATH and an install RPATH.
The first is used when building the second replace the first after
installation takes place.

-- 
Eric
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