Re: [Xenomai-core] Xenomai in Debian

[Philippe Gerum <rpm@xenomai.org>]

On Fri, 2010-02-26 at 14:13 +0100, Stefan Kisdaroczi wrote:
> Am 24.02.2010 14:13, schrieb Philippe Gerum:
> > On Wed, 2010-02-24 at 14:11 +0100, Philippe Gerum wrote:
> >> On Wed, 2010-02-24 at 14:06 +0100, Stefan Kisdaroczi wrote:
> >>> Hi Philippe,
> >>>
> >>> Am 23.02.2010 18:46, schrieb Philippe Gerum:
> >>>> On Tue, 2010-02-23 at 17:52 +0100, Stefan Kisdaroczi wrote:
> >>>>> Hi,
> >>>>>
> >>>>> Am 14.02.2010 10:38, schrieb Philippe Gerum:
> >>>>>>
> >>>>>> <snip>
> >>>>>> In the future, maybe we could simply provide a wrapper script accepting
> >>>>>> sub-commands, such as "xeno latency, xeno sigtest" etc, to be put
> >>>>>> into /usr/bin by distros, which would hide the actual location of those
> >>>>>> binaries?
> >>>>>>
> >>>>>> In any case, thanks for your work so far. We probably need to discuss
> >>>>>> the packaging issues on this list, so that we get both consistency and
> >>>>>> usability in the future.
> >>>>>>
> >>>>>> Gilles and Roland, if this is fine with you, I'll handle the liaison
> >>>>>> role with upstream packagers, so please CC me explicitly on those mails.
> >>>>>> We'll sort out this issue, it doesn't look that bad anyway.
> >>>>>
> >>>>> Roland added a xeno wrapper to the debian.org xenomai package 2.5.1-3.
> >>>>>
> >>>>> I synced now the debian/ directories from debian.org and xenomai.org:
> >>>>>  - For debian.org I sent patches to the Debian bugtracker [1] [2].
> >>>>>    Another patch for dpkg-cross support [3] I sent to Roland privately.
> >>>>>  - For xenomai.org I attached patches to this mail (against -2.5.git).
> >>>>>
> >>>>> If both parties apply the patches the debian directories are in sync,
> >>>>> except some minor differences in the debian/control file, see patch
> >>>>> do-not-commit-please.patch. I would like to keep these changes out so
> >>>>> that the xenomai.org packages are compatible with Debian 5.0 Lenny.
> >>>>> The debian.org packages are for Debian 6.0 Squeeze.
> >>>>>
> >>>>
> >>>> Merged into my queue (except the last one as mentioned). This will be
> >>>> pushed upstream to Gilles for 2.5.2. Thanks.
> >>>
> >>> I took a look at your branch for-upstream. Your commit
> >>>   scripts: add wrapper script to run standard Xenomai commands
> >>>   6e0574791f48cbf8b3421a68c5789254e7d084b7
> >>> adds the same wrapper as my patch 0005-debian-wrapper-script-usr-bin-xeno-to-call-executa.patch
> >>>   debian: wrapper script /usr/bin/xeno to call executables in /usr/lib/xenomai/
> >>>   fbe86cc50d3a65cd23e93d43adba4ed369fe70b1
> >>> Please revert the commit of my patch, we need another fix for debian/rules for "your" wrapper.
> >>>
> >>
> >> Ok, I thought your patch set was based on my tree, so I did not check
> >> thoroughly. I did not send any pull request to Gilles, so no harm done.
> >>
> >>> How do I call configure to install the wrapper in /usr/bin and
> >>> the programs like latency, switchtest etc. to /usr/lib/xenomai ?
> >>>
> >>
> >> We need some fixage in scripts/wrappers/Makefile.am to do that. I'll
> >> prepare this asap.
> > 
> > scripts/Makefile.am...
> 
> Hi Philippe,
> 
> I just tried the --with-testdir switch. It worked, but i'm not really sure if
> this is the right track.
> 
> Roland's packages install all binaries to /usr/lib/xenomai, except xeno and
> xeno-config. You state in your commit message more or less the same goal:
> "At some point, all remaining executables or scripts left under $prefix/bin should match
> xeno*, to further reduce the odds of causing name collisions."
> 
> Using --with-testdir all tests (latency,switchtest,...) are now in /usr/lib/xenomai.
> To install the "utils" (rtcansend,insn_write,insn_write,cmd_read,...) to the same
> directory using --with-testdir sounds not obviously. You could add a second switch
> --with-utildir, but a second dir will not work for the xeno-wrapper-script.
> 

CAN and other utilities should definitely remain in $bindir. The fact
that they are not prefixed by xeno* is another thing; CAN utilities are
already prefixed, maybe Analogy ones should be named in a bit less
generic way, although they are not raising any conflict today. I wrote
that what's under $bindir "should" match xeno* when a risk of collision
exists, but there is no point in enforcing a stricter rule at this
point. In any case, I don't want to enforce a never-in-bindir rule for
all Xenomai binaries, we can still pick their names in a way that avoids
obvious issues.

The real problem was about tests, for which using rather generic names
made sense. This is what that patch is for.

> I think something like using --bindir=/usr/lib/xenomai and --wrapperdir=/usr/bin
> is probably better, as there are less exceptions.
> 
> For the test I patched xeno.in: exec @XENO_TEST_DIR@/$@
> 
> Stefan
> 
> >>
> >>> Stefan
> >>>
> >>>>
> >>>>> Thanks
> >>>>> kisda
> >>>>>
> >>>>> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=571099
> >>>>> [2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=571104
> >>>>> [3] http://git.xenomai.org/?p=xenomai-2.5.git;a=commitdiff;h=5bcd18f714f4cbeaaac0cc4a08e6c9f375aa3b77
> >>>>
> >>>>
> >>>
> >>>
> >>
> >>
> > 
> > 
> 
> 


-- 
Philippe.