Re: Running regression tests on Ubuntu 14.04

[Gary E. Miller]

Yo John!

Thanks for the confirmation.

https://gitlab.com/gpsd/gpsd/-/issues/66

Assigned to James.

On Wed, 29 Apr 2020 21:44:56 -0400
John Ackermann N8UR <address@hidden> wrote:

> Hmmm, I encountered this just this morning.  I built gpsd fresh (after
> scons -c) with no errors (but didn't run test) and found that gpsfake
> crashed with an error that it was unable to load libgpsdpacket.so
> (sorry, forget the exact message).  Running ldconfig didn't help.
> 
> This was Ubuntu 19.10, and using the normal scons build *without*
> specifying target_python, so using only python 2.7.
> 
> I temporarily fixed it by hardcoding the path /usr/local/lib into the
> ctypes call in packet.py.  Of course, that's not the correct answer.
> 
> I didn't have this problem when trying to build for python 3.7, so I
> suspect Gregory is correct that it's something to do with the way the
> library search behavior works between the two versions.
> 
> John
> ----
> On 4/29/20 8:41 PM, Gregory Fong wrote:
> > Hello,
> > 
> > I noticed that running the regression tests on Ubuntu 14.04 no
> > longer seems to work from top of current master branch.  The
> > following fixes the issue for me, but it doesn't feel like the
> > "correct" solution:
> > 
> > --------8<--------
> > $ git diff
> > diff --git a/gps/packet.py.in b/gps/packet.py.in
> > index fb4360b3f..77cd6ae24 100644
> > --- a/gps/packet.py.in
> > +++ b/gps/packet.py.in
> > @@ -44,7 +44,7 @@ _cwd = os.getcwd()
> >  if 'gpsd' in _cwd.split('/'):
> >      _path = _cwd + '/'
> >  else:
> > -    _path = ''
> > +    _path = './'
> >  #    _path = ['@libdir@']
> > 
> >  try:
> > --------8<--------
> > 
> > I haven't looked deeply into it, but suspect what is happening is
> > that the way it's written currently is dependent on library search
> > behavior of newer Python versions, and that ctypes in Python 2.7.6
> > doesn't include the current directory in the load path.
> > 
> > To test this hypothesis, I've tried a couple of things.
> > 
> > This works:
> > 
> >     LD_LIBRARY_PATH=. ./regress-driver test/daemon/passthrough.log
> > 
> > This does not:
> > 
> >     scons check
> > 
> > It fails with:
> > 
> >     Failed to load the library: libgpsdpacket.so.27.0.0
> >     scons: *** [python-versions] Error 1
> >     scons: building terminated because of errors.
> > 
> > Best regards,
> > Gregory
> >   
> 
> 




RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

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