[Kwiver-users] Recommended version of CMAKE to be used for DIVA installation

[Aaron Bray]

CMake version 3.5.1 will work just fine

If you are running that cmake command from your intended DIVA build
directory (Which should be empty, do not manually build fletch and kwiver
to the same target build directory),
This will execute the 'Superbuild' control flow in the DIVA CMake files.
(A CMake super-build is a project which downloads, configures and builds
other projects. )

This control flow from your command should return something like this :

*The C compiler identification is GNU 5.4.0*

*The CXX compiler identification is GNU 5.4.0*

*Check for working C compiler: /usr/bin/cc*

*Check for working C compiler: /usr/bin/cc -- works*

*Detecting C compiler ABI info*

*Detecting C compiler ABI info - done*

*Detecting C compile features*

*Detecting C compile features - done*

*Check for working CXX compiler: /usr/bin/c++*

*Check for working CXX compiler: /usr/bin/c++ -- works*

*Detecting CXX compiler ABI info*

*Detecting CXX compiler ABI info - done*

*Detecting CXX compile features*

*Detecting CXX compile features - done*

*Found Git: /usr/bin/git (found version "2.7.4") *

*I am pulling and building fletch!*

*I am pulling and building kwiver!*

*Configuring done*

This is telling you that it will create a Makefile that will download the
fletch, kwiver, and kwant source code and build them each, and then build
the DIVA code base

The Eigen Error mentioned is usually due to running CMake on KWIVER source
(from with the KWIVER build directory) (Which should be empty and a
different folder or a subfolder from the DIVA build directory) and not
providing a fletch_DIR for the KWIVER CMake script to use during it's
configuration process

Did you successfully build Fletch and KWIVER manually?

If so, you should run CMake for DIVA, from an empty build directory like
so, to inform the DIVA super build of the location of your  KWIVER build
directory

$ cmake ../../src -DCMAKE_BUILD_TYPE=Release
-Dkwiver_DIR:PATH=<path/to/kwiver/build/dir>

CMake will return something like this:


*Looking for your kwiver...*

*I found your kwiver!*
*It uses this fletch <path to the fletch build directory>*

*I am pulling and building kwant!*

*Configuring done*



I suggest using the cmake gui to help see what directories and CMake
options are set to help get your build set up

(I recommend checking the 'Grouped' and 'Advanced' options in the GUI)


you can get it with

$sudo apt-get install cmake-qt-gui


Thanks,


  Aaron


On Sat, Jan 13, 2018 at 3:01 AM, Ankit Parag Shah <aps1 at andrew.cmu.edu>
wrote:

> Hi all,
>
> While building DIVA project using the following steps -
> https://github.com/Kitware/DIVA, with a fresh Kwiver and fletch
> installation steps, I am facing errors while performing the following
> installation step.
>
> $ cmake ../../src -DCMAKE_BUILD_TYPE=Release
>
> Error is as follows: -
>
> CMake Error at /usr/share/cmake-3.5/Modules/FindPackageHandleStandardArgs.cmake:148
> (message):
>   Could NOT find Eigen3 (missing: EIGEN3_INCLUDE_DIR EIGEN3_VERSION_OK)
>   (Required is at least version "2.91.0")
> Call Stack (most recent call first):
>   /usr/share/cmake-3.5/Modules/FindPackageHandleStandardArgs.cmake:388
> (_FPHSA_FAILURE_MESSAGE)
>   CMake/FindEigen3.cmake:81 (find_package_handle_standard_args)
>   CMake/kwiver-depends-Eigen.cmake:3 (find_package)
>   CMake/kwiver-depends.cmake:4 (include)
>   CMakeLists.txt:138 (include)
>
> Upon researching on Google about the error caused and understanding use of
> EIGEN, there are various hacks suggested to overcome the problem. The
> problem seems to be within CMAKE which is not able to find
> EIGEN3_INCLUDE_DIR in path variable.
>
> Currently, I am using cmake 3.5.1, may I ask whether it is recommended to
> perform hacks or it is better to install latest version of cmake available
> going forward.
>
> Looking forward to your response.
>
> Kind Regards,
> Ankit Shah
> Masters Student in Language Technologies
> Carnegie Mellon University.
>
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> Kwiver-users at public.kitware.com
> https://public.kitware.com/mailman/listinfo/kwiver-users
>
>
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