[Dune] Globally installed modules vs. local modules

[Lukas Böger]

Found it... When dune-alugrid is globally installed, it's obviously
found as it should be. Then, a mix of global and local cmake modules
messes up the configuration.

The solution is thus to either include a local dune-alugrid (more
general, probably include every module locally that shall be part of the
compilation) or as a less brute-force method simply remove these modules
from dune.module files. In this case remove remove dune-alugrid from the
suggested dependencies in dune-pdelab/dune.module.

Now happy -
Lukas

On 27.06.2016 11:20, Lukas Böger wrote:
> Hi Oliver and thanks for the fast reply!
> 
> The setup is as follows, globally installed in /usr:
> 
> * common, geometry, grid, istl, localfunctions, typetree, pdelab: 2.4.1
> * dune-alugrid: 2.4.0
> * dune-functions: 2.4-compatible
> * ug: 3.11.0
> 
> though the last two shouldn't matter. I have an additional local folder
> with
> 
> * common, geometry, grid, istl, localfunctions, typetree, pdelab:
>   current master branch
> 
> When running
> 
> DUNE_CONTROL_PATH=`pwd`/dune-common/dune.module:`pwd`/dune-geometry/dune.module:`pwd`/dune-grid/dune.module:`pwd`/dune-localfunctions/dune.module:`pwd`/dune-istl/dune.module:`pwd`/dune-typetree/dune.module:`pwd`/dune-pdelab/dune.module
> ./dune-common/bin/dunecontrol --opts=options configure
> 
> with only the install prefix set in the options file, the cmake cache
> cleared before and cmake of version 3.5.2, I get
> 
> Call Stack (most recent call first):
>   cmake/modules/DunePdelabMacros.cmake:2 (include)
>   [pwd]/dune-common/cmake/modules/DuneMacros.cmake:570 (include)
>   [pwd]/dune-common/cmake/modules/DuneMacros.cmake:714
>   (dune_process_dependency_macros)
>   CMakeLists.txt:23 (dune_project)
> 
> CMake Error at /usr/share/dune/cmake/modules/Headercheck.cmake:11
> (dune_common_script_dir):
>  Unknown CMake command "dune_common_script_dir".
> Call Stack (most recent call first):
>   [pwd]/dune-common/cmake/modules/DuneMacros.cmake:738
>   (setup_headercheck)
>   CMakeLists.txt:23 (dune_project)
> 
> The problem here is that the global headercheck macro is found by cmake
> instead of the local one in ./dune-common/cmake/modules, and those files
> differ. More general, when I look at the cmake output, there are
> several lines indicating that global files are invoked, e.g.
> 
> -- Performing tests specific to dune-common from file
> /usr/share/dune/cmake/modules/DuneCommonMacros.cmake
> 
> The globally installed dune-alugrid module causes the inclusion of
> global files here, as configuration works fine when adding dune-alugrid
> to the local folder.
> 
> Best,
> Lukas
> 
> 
> On 27.06.2016 08:52, Oliver Sander wrote:
>> Hi Lukas,
>>
>> this should work, and I use this feature on a regular basis.  Nevertheless
>> there may be bugs that may be triggered only by your particular setup.
>> Can you describe on more detail what exactly you are trying to do?
>>
>> Cheers,
>> Oliver
>>
>> On 24.06.2016 15:42, Lukas Böger wrote:
>>> Dear all,
>>>
>>> is it generally discouraged to globally install a version of Dune
>>> modules (e.g. stable 2.4.1) and then compile local versions besides
>>> (e.g. current master branch)?
>>>
>>> While doing so with a set of local modules not matching the globally
>>> installed ones, I ran into trouble with cmake modules. They were
>>> globally found and their paths merged into CMAKE_MODULE_PATH in
>>> dune_create_dependency_tree, such that they had precedence over the
>>> local dune-common/cmake/modules directory with files of a more recent
>>> version. I guess such a mix of global and local cmake modules of
>>> different versions can work out by accident, but not in general.
>>>
>>> Example: globally installed dune-x, dune-y and dune-z (all 2.4.1) and
>>> locally compile dune-x and dune-y (both current master branch), but
>>> EXCLUDING the optional dune-z?
>>>
>>> Setting DUNE_CONTROL_PATH doesn't help here as global paths will be
>>> searched for modules anyway.
>>>
>>> Best,
>>> Lukas
>>>
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