[Rock-dev] Rock install on ubuntu 16.04

[Steffen Planthaber]

Hi,

These are exactly the needed steps to compile rock-core on ubuntu 16.04.
Currently only master supports Ubuntu 16.04.

In https://github.com/rock-core/package_set/pull/86 we are currently 
discussing how to set cxx11 reliably for the packages.


Current best option is to add this to the overrides.rb:

Autoproj.post_import do |name, pkg|
     if pkg.kind_of?(Autobuild::CMake)
         cxx_flags = "#{pkg.defines['CMAKE_CXX_FLAGS']} #{ENV['CXXFLAGS']}"
         if cxx_flags !~ /-std=c\+\+11/
             pkg.define "CMAKE_CXX_FLAGS", "#{cxx_flags} -std=c++11"
         end
     end
end

Afaik installing llvm3.7 manually is not nessecary.


Best, Steffen


Am 21.07.2016 um 13:42 schrieb Javier Hidalgo Carrió:
> Hi Rob,
>
> Sorry for my late reply.
>
> On 14.07.2016 22:15, Rob Hewitt wrote:
>> Hey Javier, I manged to get it installed. The first step was switching
>> to the most recent ruby. I was using an older version to get past an
>> error I encountered with tools/roby, but switching to the master
>> branch also fixed this.  In the end the things I changed were:
>>
>>  1. Switched to ruby 2.3 from ruby1.9.3
>>  2. enable c++11 for g++
>>  3. installed llvm3.7 and added it to the cmake_prefix_path variable.
>>  4. Then I ran bootstrap.sh, it failed, and I added Autoproj.env_set
>>     'TYPELIB_CXX_LOADER', 'castxml' to the generated /autoproj/init.rb
>>     file.
>>  5. then I ran autoproj update, autoproj build
>>
> I personally did not try those steps by myself. Though, the changes seem
> reasonable to me. I am sure someone has already try it, I am including
> rock-dev in CC in the message.
>
> Cheers,
>
> Javier.
>
>> I just pieced this together based on reading a bunch of different
>> threads on the mailinglist. Not sure if the first two steps are
>> actually necessary. Seems like 16.04 compatibility is a work in
>> progress so I thought I'd let you know what I did.
>>
>> Cheers,
>>
>> Rob
>>
>> On Wed, Jul 13, 2016 at 11:04 AM, Rob Hewitt <r.hewitt at queensu.ca
>> <mailto:r.hewitt at queensu.ca>> wrote:
>>
>>     Hey Javier, hope you're having a good summer. I'm currently
>>     starting a fresh install of ubuntu 16.04 on my PC at home and I'm
>>     trying to install rock on it. I've had a few issues but have
>>     managed to work through them until now. I've hit a wall with a
>>     dependency and I thought I'd run it by you to see if you're aware
>>     of it.
>>
>>     I've attached a photo of the error I get while running the
>>     bootstrap.sh file (with all default choices). It mentions
>>     something about eigen3, however I believe the actual problem is
>>     with the base-types library as eigen3 (version 3.2.8) is installed.
>>
>>     I've included the .log it produces as well.
>>
>>     Any help would be appreciated. Looking at the mailing list, it
>>     seems I'm not alone with issues related to 16.04 and the base
>>     libraries. I sent in a request to subscribe to the mailing list as
>>     well, in case you aren't sure what I can do.
>>
>>     Cheers,
>>
>>     Rob
>>
>>     --
>>     Rob Hewitt,
>>     B.Sc. Engineering Physics, University of Saskatchewan,
>>     M.A.Sc <http://M.A.Sc>. Aerospace Engineering, Carleton University,
>>     Ph.D. Candidate in Electrical Engineering, Queen's University,
>>     r.hewitt at queensu.ca <mailto:r.hewitt at queensu.ca>
>>
>>
>>
>>
> --
> Javier Hidalgo Carrió
> Researcher
> ---
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