[R-sig-Debian] cannot find -lquadmath

[Peter Muhlberger]

Hi Dirk:

What would commenting out  -lquadmath in  /etc/R/Makeconf do?  If a
package, such as Hmisc, requires it, wouldn't that prevent compiling
or does the compiler then do more of a search for the library at that
point?

I wonder if I could have prevented this problem by pulling in a newer
version of R from backports rather than sid?

Peter

On Fri, Jan 13, 2012 at 4:48 PM, Dirk Eddelbuettel <edd at debian.org> wrote:
>
> Hi Peter,
>
> On 13 January 2012 at 16:01, Peter Muhlberger wrote:
> | Hi Dirk:
> |
> | I checked several months of r-sig-debian archives for a keyword
> | associated with my problem & found nothing.  Clearly, I used the wrong
> | keyword (probably "libquad").  Now that you mention that there was a
> | recent discussion, I can see it, and it's helpful.  Wish I knew of a
> | way to do a better search on the archive.
>
> Yes, sorry, and it was more or less timing issue. You and the other poster
> were pretty hit at the same time.
> |
> | I thought my experience might be helpful because I have a fairly
> | plain-vanilla version of Squeeze and build-essentials.  I gather from
> | the prior discussion on Jan 12 that my problem is that I updated my
> | copy of R using the sid archive (had to to use the sem package), so
> | now when I build it's probably expecting a more recent compiler setup.
>
> Right. That "gap" between sid and squeeze is usually non-existent, and I have
> also at times done a pick and choose.
>
> In this case, though, it seems that there is a compiler change and the two
> are different.
>
> You could try editing /etc/R/Makeconf and just comment out -lquadmath.
>
> Dirk
>
> |  So maybe my problem is more esoteric than I imagined.  It does seem
> | complicated to be a R user in Squeeze.
> |
> | It's also helpful to know that there are binaries for things like
> | Hmisc in the archives.
> |
> | Thanks in general for tackling the inclusion of R in Debian!
> |
> | Cheers,
> | Peter
> |
> | On Thu, Jan 12, 2012 at 10:21 PM, Dirk Eddelbuettel <edd at debian.org> wrote:
> | >
> | > On 12 January 2012 at 21:30, Peter Muhlberger wrote:
> | > | Apologies if this has been posted about recently, but I haven't been
> | > | on this listserve for a while.
> | >
> | > That is rude. This was discussed, and a fix layed out, within the last 24 hours.
> | >
> | > | I ran into a problem trying to compile Hmisc (required package for
> | >
> | > 1)  r-cran-hmisc was part of Debian for years. Why compile?
> | >
> | > 2)  r-cran-rms is part of Debian, the 'rms' package has replaced Hmisc /years
> | >    ago/ upstream.
> | >
> | > | rms) and have found a solution that I'd like to share.  The compile
> | > | fails with the message:
> | > |
> | > | /usr/bin/ld: cannot find -lquadmath
> | > |
> | > | libquadmath exists on my Debian Squeeze system (up-to-date, recently installed):
> | > |
> | > | ldconfig -p | grep libquad*
> | > |        libquadmath.so.0 (libc6,x86-64) =>
> | > | /usr/lib/x86_64-linux-gnu/libquadmath.so.0
> | > |
> | > | The problem appears to be that libquadmath.so.0 is buried in the
> | > | directory x86_64-linux-gnu where the compiler apparently can't see it.
> | > |
> | > | The fix is:
> | > |
> | > | cd /usr/lib
> | > | sudo ln -s /usr/lib/x86_64-linux-gnu/libquadmath.so.0 /usr/lib/libquadmath.so
> | > |
> | > | Now, the compile works.
> | > |
> | > | Whoever is setting up R or R packages for Debian should try to insure
> | > | that users don't have to apply fixes like the one above.
> | >
> | > Nonsense.  Look at the compile logs of /hundreds/ of r-cran-* packages across
> | > /more than a dozen/ architectures.  They build.
> | >
> | > Look eg at http://packages.qa.debian.org/r/r-cran-rms.html and click on build
> | > log, or go to https://buildd.debian.org/status/package.php?p=r-cran-rms
> | >
> | > Funny how it builds on all of our machines witout intervention, eh?
> | >
> | > Dirk
> | >
> | > |
> | > | Cheers,
> | > | Peter
> | > |
> | > | _______________________________________________
> | > | R-SIG-Debian mailing list
> | > | R-SIG-Debian at r-project.org
> | > | https://stat.ethz.ch/mailman/listinfo/r-sig-debian
> | >
> | > --
> | > "Outside of a dog, a book is a man's best friend. Inside of a dog, it is too
> | > dark to read." -- Groucho Marx
>
> --
> "Outside of a dog, a book is a man's best friend. Inside of a dog, it is too
> dark to read." -- Groucho Marx