[CMake] Relinking with Ninja broken in 3.7.0

[Konstantin Tokarev]

16.11.2016, 19:44, "Mika Fischer" <mika.fischer at zoopnet.de>:
> Hi,
>
> I get the following error even though I'm on Linux and thus an ELF-based platform. This breaks all our builds...
>
> `The install of the <target> target requires changing an RPATH from
> the build tree, but this is not supported with the Ninja generator unless
> on an ELF-based platform.  The CMAKE_BUILD_WITH_INSTALL_RPATH variable may
> be set to avoid this relinking step.`
>
> Looking at cmGeneratorTarget.cxx#L1214, I see that there's no switch for ELF-based platforms, it just unconditionally throws a fatal error when relinking is required and ninja is being used...
>
> Is the error message misleading and this should actually work on Linux?
> Or is this not supposed to be working, and we should no longer use ninja? If so, why?
>
> CMAKE_BUILD_WITH_INSTALL_RPATH is not a viable alternative for us...

I just fix up cmake_install.cmake with sed to replace CMakeRelink.dir with real library location

>
> Best,
>  Mika
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-- 
Regards,
Konstantin