On 27 May 2010 at 09:06, Michael Rutter wrote:
| 
| 
| On 05/27/2010 07:31 AM, Dirk Eddelbuettel wrote:
| >
| > On 27 May 2010 at 07:15, Michael Rutter wrote:
| > |
| > |
| > | On 05/27/2010 05:23 AM, Scott Brogan wrote:
| > |>  I've not been able to install rjags successfully in Ubuntu 10.04 :
| > |>
| > |>  ** testing if installed package can be loaded
| > |>  Error : .onLoad failed in loadNamespace() for 'rjags', details:
| > |>     call: dyn.load(file, DLLpath = DLLpath, ...)
| > |>     error: unable to load shared library
| > |>  '/home/scott/R/i486-pc-linux-gnu-library/2.11/rjags/libs/rjags.so':
| > |>     libjags.so.2: cannot open shared object file: No such file or 
directory
| > |>  ERROR: loading failed
| > |>
| > |>  I've tried with different versions of both JAGS&   rjags; lastly with R
| > |>  2.11.0, JAGS 2.1.0,&   rjags_2.1.0-4. Could anyone help ?
| > |>
| > |
| > | Scott,
| > |
| > | I also had trouble installing rjags in 10.04.  I got the same error you
| > | did, even though I could see the .so files.  The fix (I think, I tried
| > | lots of things) was to run 'ldconfig', then launch R and install the
| > | package.  Apparently, my jags install did not update the libraries.
| >
| > Excellent -- bug in my package as I do 'catch-all' package jags (as opposed
| > to libjags, libjags-dev, ...) and use packaging default so this got omitted.
| >
| > Will fix.  Thanks for catching that, and sorry for any inconvenience caused.
| >
| > Dirk
| >
| 
| I do need to point out that I installed jags from the source files 
| (http://sourceforge.net/projects/mcmc-jags/files/).  Then I installed 
| rjags from within R, after I did the 'ldconfig' command.

Ack, and my bad -- I should have checked. 

The packaging is much smarter than I gave it credit for and _does_ of course
include a call to ldconfig in its postinst.  So maybe next time you want to
try 'apt-get source -b jags' (after adding a deb-src entry that points to
unstable to your /etc/apt/sources.list) ?

-- 
  Regards, Dirk

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