[ros-release] Build failed due to `ar`: command not found

[Tully Foote]

>From your build output I see the following reference to ccache in the
target architecture. I think that's probably where you want to look.

    Building architecture x86_64 <Output in
/tmp/buildd/ros-hydro-ardrone-autonomy-1.3.1-0precise-20140219-2242/obj-x86_64-linux-gnu/ardrone/src/ardronelib/ARDroneLib/FFMPEG/ffmpeg/../../Soft/Build/targets_versions//ffmpeg_x86_64_PROD_MODE_Linux_3.5.0-46-generic_GNU_Linux_usrlibccachegcc_4.6.3>

Here:
http://jenkins.ros.org/job/ros-hydro-ardrone-autonomy_binarydeb_precise_amd64/2/console

Tully


On Fri, Feb 21, 2014 at 10:28 AM, Mani Monajjemi
<mani.monajjemi at gmail.com>wrote:

> Hi Martin,
>
> Thank you for your answer. `ccache` seems to be the default compiler
> front-end on the build server. There is no reference to `ccache` in any of
> Makefiles.
>
> You are right `ar` is in `binutils` and `binutils` seems to be installed
> on the server (my prev. email). However `ar` seems not to be in the PATH or
> there might be a bad symlink to it.
>
> - Mani
>
>
> Mani Monajjemi
>
>
> On Fri, Feb 21, 2014 at 2:43 AM, Martin Günther <mguenthe at uos.de> wrote:
>
>> Hi Mani,
>>
>> On Thu, 20 Feb 2014 18:21:14 -0800
>> Mani Monajjemi <mani.monajjemi at gmail.com> wrote:
>>
>> > [...]
>> > `ar` is in `binutils` Ubuntu package
>> > [...]
>> >
>> > However, `ar` is still not found:
>> >
>> > /usr/lib/ccache/ar: Command not found
>>
>> `/usr/bin/ar` is in the binutils package, `/usr/lib/ccache/ar` is in no
>> Debian package. (Also, installing ccache didn't set up that
>> symlink on my machine). There's probably a problem in your makefiles;
>> you shouldn't assume ccache is installed.
>>
>> Cheers,
>> Martin
>>
>> --
>> Dipl.-Inf. Martin Günther
>> Universität Osnabrück
>> Institut für Informatik
>> Albrechtstr. 28  (Raum 31/503)
>> D-49076 Osnabrück
>>
>> Fon: 0541 969 2434
>> http://www.inf.uos.de/mguenthe/
>>
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>>
>
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