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From: R0b0t1 <r030t1@gmail.com>
Date: Thu, 23 Nov 2017 12:46:44 -0600
Message-ID: <CAAD4mYhJ=HLxmdhFEhmFz8YvEwWg9F-u6qAeR-htp8d-ntjy9g@mail.gmail.com>
Subject: Re: [gentoo-user] Cmake problem - please help
To: gentoo-user@lists.gentoo.org
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Hello,
Firstly, you should file a bug, but that might not get it working as
quickly as you'd like.
On Thu, Nov 23, 2017 at 11:01 AM, Helmut Jarausch <jarausch@skynet.be> wrote:
> Hi,
>
> cmake is still a mystery to me.
>
> I like to add a (non-Gentoo) package to my local overlay.
> This package is configured and built by 'cmake'
>
Which package?
> It needs and finds a package 'mumps' (from the Science Overlay)
> but linkage fails since the 'mumps' library needs another library
> (scalapack)
>
> So, how can I "tell" 'cmake' to link to libscalapack (there is a
> /usr/lib64/pkgconfig/refscalapack.pc file on my machine)
>
> But 'sci-libs/mumps' doesn't install a pkg-config file.
>
> I have done 'grep' through all CMakeLists.txt files,
> but I have no idea where the 'mumps' library is included.
>
The files are named like "FindXXXXX" and look like this:
https://github.com/OpenCMISS/cm/blob/master/cmake_modules/FindMUMPS.cmake.
If you edit them system-wide, you can likely get everything to build
via Portage.
You can also look for a "taget_link_library" directive in the
project's CMakeLists.txt and hardcode a path.
https://cmake.org/cmake/help/v3.0/command/target_link_libraries.html
> I'd be grateful to any hints and links (for 'cmake' dummies)
>
Pretending you want to configure and build your project with CMake is
probably the best option, though I have given you all that you should
need to fix the problem.
https://cmake.org/cmake-tutorial/
I would seriously consider Mr. Dang's solution. It is something I have
had to do quite a bit, especially as CMake is extremely opaque at the
system level. Brewlinux is new to me, I just do everything by hand.
Cheers,
R0b0t1