[R] JAGS 4.x, rjags 4.x problems | Linux

[Evan Cooch]

On 11/5/2015 9:45 AM, Rainer Hurling wrote:
> Am 04.11.2015 um 21:36 schrieb Evan Cooch:
>>
>>
>> On 11/4/2015 2:08 PM, Evan Cooch wrote:
>>> Greetings --
>>>
>>> This has also been posted on the jags forum, but since I suspect the
>>> problem is more 'R-related' than jags, will aos post here.
>>>
>>> Decided to 'upgrade' from jags 3.x.x to 4.x.x today, on my GNU/Linux
>>> boxes (which run latest RHEL). Here are the basic details:
>>>
>>> 1\ used R 3.2.2 compiled from source. 64-bit -- nothing fancy, other
>>> than the fact that I used OpenBLAS instead of 'generic'. Works fine.
>>>
>>> 2\ downloaded and compiled JAGS 4.0.1 from source (nothing fancy,
>>> ./configure & make & make install) -- no errors. Runs fine as a
>>> standalone app from CLI.
>>>
>>>
>>> 3\ Downloaded rjags_4-3.tar.gz, and installed from R CLI (within R --
>>> usual R CMD INSTALL approach). Again, no errors reported.
>>>
>>>
>>> However, when I fire up R, and try something simple like
>>>
>>> library(R2jags)
>>>
>>> I get a whole slew of error messages - following is reproducible on
>>> all my machines:
>>>
>>> Loading required package: rjags
>>> Loading required package: coda
>>> Error : .onLoad failed in loadNamespace() for 'rjags', details:
>>> call: dyn.load(file, DLLpath = DLLpath, ...)
>>> error: unable to load shared object
>>> '/usr/lib64/R/library/rjags/libs/rjags.so':
>>> libjags.so.3: cannot open shared object file: No such file or directory
>>> Error: package ‘rjags’ could not be loaded
>>>
>>>
>>
>> Further puzzlement -- I uninstalled R2jags and rjags, with the idea that
>> re-installing them (ostensibly with the 'latest and greatest') would do
>> the trick. While the process went fine for R2jags, when I tried to
>> re-install rjags, got the following error messages:
>>
>> checking for gcc -m64 -std=gnu99 option to accept ISO C89... none needed
>> checking for jags_version in -ljags... yes
>> checking version of JAGS library... wrong version
>> configure: error: rjags requires JAGS version 4.x.y
>> ERROR: configuration failed for package ‘rjags’
>> * removing ‘/usr/lib64/R/library/rjags’
>> * restoring previous ‘/usr/lib64/R/library/rjags’
>
> Hmm, is it possible, that your JAGS 4.x.y installation is fine, but an 
> old libjags.so library is lying around from a not fully completed 
> deinstallation? Could you have a look for older libjags.so versions, 
> please?
>
> Just a thought.
>


I suppose thats possible -- I'll go through the sequence again at some 
point, and report back.