Re: [Discuss-gnuradio] Some thoughts on out of tree modules and cmake files

[Marcus Müller]

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Also, usually to build an OOT-Module you shouldn't need the whole GR
tree, but only the headers that had been used to build the
gnuradio-libraries as well as the libraries to link against.

So, when introducing another external dependency for OOT modules we
kind of make packaging harder. I don't know if it's worth the effort;
then, again, I've never built any gnuradio-devel (or the like) fedora
or debian/ubuntu package. It certainly would not hurt a development
machine badly to install the CMake modules.
Then, again, it would be preferable to have these modules installed
somewhere where CMake would automatically look for them, calling for a
package gnuradio-cmake-modules (or something of the like) on its own.

Greetings,
Marcus

On 28.01.2014 13:26, Sylvain Munaut wrote:
>> at the moment each out of tree module has it's one cmake/Modules
>> path, containing some cmake macros, mainly copied from some
>> gnuradio source tree.
> 
> GnuRadio already installs the required CMakefiles modules globally
> so AFAIK, OOT modules are free to use them.
> 
> And it's definitely a goal toward things are trending but there
> are still some reason to keep local copies.
> 
> One reason OOT module would choose to keep a local copy is to be 
> compatible with older GR. For instance, in my OOT projects, I keep
> the local FindGnuradio.cmake instead of using GrConfig.cmake
> because it was broken until 3.7.2.1 ...
> 
> For some other cmake modules, they're not really "meant" to be
> used outside of GR itself. Like the GrComponent.cmake . I know
> several modules using it, but it's been slightly modified to fit
> the particular need of that OOT project because the default one is
> not customizable enough (because not meant for anything by GR
> internal)
> 
> 
> Cheers,
> 
> Sylvain
> 
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