[Rock-dev] override cmake packages

[Matthias Goldhoorn]

On 08.07.2013 19:22, Sascha Arnold wrote:
>
> Hi,
> I need to override two packages in the spacebot package set normally 
> provided in the rock package set.
>
> I already overrode them in the source.yml and also applied own patches.
> So far it works, but then it won't apply the flags defined in 
> cmake_package in libs.autobuild witch are still defined in rock.
> And if I redefine them in the libs.autobuild of the spacebot package 
> set I get the message that I have two definitions and that the one 
> from rock will be used.
>
> So the question is now how can I force it to use the definition from 
> spacebot? Or is there a even better way?
>
> I need that for g2o and pcl. I already found out that I can also set 
> the CMake Flags in the overrides.rb, but for the pcl lib this line 
> "env_add 'PKG_CONFIG_PATH', File.join(pkg.prefix, 'lib64', 
> 'pkgconfig')" is also needed to find the local flann library and I 
> have no clue how to add that in the overrides.rb..
>

I think overriding it inside the overrides.rb is the better way.
Take an look to the autobuild/automake api if you can cover this.

For the building step you can simply add the environment variable 
globally like:

Autoproj.env_add 
"PATH",File.join(Autoproj.root_dir,"install","x86_64-linux-gnu","bin")

If you need this only for one package you could also do something like this.

Autoproj.manifest.package(your_pacakge_name) do |pkg|
     pkg.depends_on 'external/gcc'
     pkg.using[:automake] = false
     pkg.using[:autoconf] = false
     pkg.using[:autogen] = false
     pkg.using[:aclocal] = false
     pkg.using[:libtool] = false
     pkg.depends_on 'external/gcc'

    def pkg.do_build
        ENV['TARGET'] = "#{user_config('target')}-g++"
        ENV['CXX'] = "#{user_config('target')}-g++"
        ENV['CC'] = "#{user_config('target')}-gcc"
    end
end


Hope this helps...

Matthias


>
> Best,
> Sascha
>
>
>
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-- 
  Dipl.-Inf. Matthias Goldhoorn
  Space and Underwater Robotic

  Universität Bremen
  FB 3 - Mathematik und Informatik
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