[Dune] find dune-modules in non-default location with dunecontrol

Jö Fahlke jorrit at jorrit.de
Fri Apr 14 14:04:30 CEST 2017

I thought you can have multiple entries in DUNE_CONTROL_PATH, deperated by :.


Am Fri, 14. Apr 2017, 13:37:41 +0200 schrieb Simon Praetorius:
> Hi everyone,
> I'm currently struggling with `dunecontrol` and the dune way of working
> with cmake:
> # Problem description
> I created a new dune-module that depends on some dune core-modules. This
> new module is not developed in the location `DUNE_CONTROL_PATH` where
> all other dune core-modules are located. This new module creates a
> library I want to use in some projects. In order to provide the include
> files, library files and cmake configurations I installed the new
> dune-module into an `CMAKE_INSTALL_PREFIX` location.
> # Question
> Now, how do I find this module in a projects that adds this to its
> `dune.module` file, when using dunecontrol? I tried to set the
> `PKG_CONFIG_PATH` manually, but no effect. I set in the options file the
> cmake module directory for the module-config.cmake file, but not effect.
> I tried to look into the dunecontrol script to find out how the modules
> are searched, but couldn't determine this corresponding part of the script.
> # Details:
> dune-core-modules --> /path-a/dune (DUNE_CONTROL_PATH) (or installed as
> .deb-package)
> my-dune-module --> /path-b/my-dune-module --> installed into
> /path-c/my-dune-module
> project --> ~/project
> dune.module (of my-dune-module):
> ```
> Depends: dune-common dune-geometry ...
> Suggests: ...
> ```
> dune.module (of project):
> ```
> Depends: my-dune-module
> ```
> What is the "best" workflow when using an installed dune module? Is
> there anywhere a documentation of what dunecontrol actually does? Which
> (env) variables can be set to control the build/fine/configure process?
> What are possible options in the options-file?
> When searching for the `my-dune-module` in `project` directly, e.g. by
> calling `find_package` or `find_dune_package` manually, the module is
> found without problems, but the behavior is different from finding by
> dunecontrol, e.g. the `MyDuneModuleMacros.cmake` file is not executed
> automatically. I can always do everything manually, then it is clear
> what is happening and where everything is looked up, but probably this
> is not the dune way of doing things, right?
> I wish everyone happy eastern,
> Simon

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