[ros-users] binary packages dependencies
Brian Gerkey
gerkey at willowgarage.com
Thu Jun 24 22:17:17 UTC 2010
hi Cedric,
You've noticed an aspect our binary packages that's bothered us (the
developers) since the day we started making them, which is that they
contain extraneous build artifacts, sometimes lots of them.
We plan to remove them, starting with the worst offenders, some of
which you've identified. Ideally, we'd remove the build directory of
every package, but some (ill-behaved) packages export directly from
their build directory; they need to be fixed.
You'll see a lot of benefit from that kind of cleanup. We could then
explore your suggestion of making runtime and development versions of
each package. Doing that properly will take some thought, and is
unlikely to happen very soon.
brian.
On Thu, Jun 24, 2010 at 3:10 PM, Cedric Pradalier
<cedric.pradalier at mavt.ethz.ch> wrote:
> On 06/24/2010 11:28 PM, Cedric Pradalier wrote:
>> Hi,
>>
>> I've just installed ros from the pre-compiled packages, and I see the
>> binary packages depend on a lot of -dev packages, automake, autoconf,
>> etc...
>> Is there a rationale behind that?
>>
>> I would believe that one of the advantages of pre-compiled binaries is
>> that it make it easier to install ros on an embedded system, with
>> limited hard-drive/flash space, all of which get lost if the ros
>> packages pull close to 1GB of dependencies.
>>
>> How much community interest would there be behind separating the
>> packages into binary and -dev packages, the binary having very limited
>> dependencies?
>>
>> Otherwise, the install from source can be compiled and deployed within
>> 200MB, incl. roscore (roscpp, rospy), opencv, and image pipeline, laser
>> pipeline, laser drivers, but no tf (brings in bullet and a lot of
>> friends) and no rviz.
>>
>> Cheers
>>
>>
> Just installed a couple of cturtle packages, and noticed the following:
>
> The opencv_vision stack is 392MB installed.
> In that, the opencv2/build directory is 356MB, and not required in as
> far as I know.
>
> In ogre, the build directory is 342MB out of 444MB.
> In robot_model/assimp: build is 138MB out of 158MB
> In robot_model/colladadom: build is 129MB out of 151MB
>
> In total, on the few packages I installed, my /opt/ros is 1.5GB, and I'm
> pretty sure at least 965MB out of that is just disk padding.
>
> I know space is not an issue for most of us, but still...
>
> --
> Cedric - Specialising in cat herding
> - http://www.asl.ethz.ch/people/cedricp
> - http://www.skybotix.com
>
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