Re: catkin-related changes in orogen

On Mon, Jan 6, 2014 at 12:23 PM, Sylvain Joyeux <[email protected]>wrote:

> On 01/03/2014 10:30 AM, Ruben Smits wrote:
>
>> How have you resolved the ruby1.9.3 dependency on Ubuntu 12.04? It seems
>> that is practically impossible to get all dependencies correctly from
>> debian packages without having to install ruby1.8 (it seems the rubygems
>> debian package is to blame).
>>
> Not rubygems. Don't remember which one, but there is indeed a dependency
> issue there. However, this is only installing a few useless packages, not a
> big issue IMO (see below)
>
>
>  The FindRuby.cmake file (the one provided in utilrb as well as the one
>> provided by cmake 2.8.12.1) is not able to detect ruby1.9.3 if ruby1.8
>> is installed on the system.
>>
> It is able to detect it, it only goes for the default ruby (the one
> selected with update-alternatives) which is unfortunately either the last
> installed or ruby 1.8 (don't remember). In any case, what the cmake macros
> do make sense.
>
>
I still think there is something wrong with the FindRuby.cmake, if i do
find_package(Ruby 1.9.3 REQUIRED) it is not able to find the correct ruby
executable if the default ruby is pointing to ruby1.8 (which is the default
if installed). I looks for executables named as ruby1.9 and ruby19, but the
actual executable is ruby1.9.1 or ruby1.9.3.


> The autoproj configuration explicitly passes the ruby full path used to
> bootstrap the installation to cmake as the RUBY_EXECUTABLE cmake variable
> to make sure we use the right one regardless of everything else. You should
> probably do the same.
>
>
Ok, I'll try that.

Maybe I should explain where I want to get at: creating debians for the
toolchain only based on debian-installed software. That's why I don't want
to depend on gems or other manual changes on the system.

Ruben



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> Sylvain Joyeux (Dr.Ing.)
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-- 
Ruben Smits, CTO
+32 479 511 786
Intermodalics - Kapeldreef 60, 3001 Heverlee - BELGIUM
www.intermodalics.eu

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