We have been using both ncdf and  RNetCDF
packages, and often enjoy the general approach
offered by RNetCDF

That package has not been available on the Mac for
some time, it appears, ... but was maybe available
last year  (see message below).

According to the CRAN documentation page and my own
attempts to acquire RNetCDF,  the problem
appears to be with the needed package "udunits"

That package is also useful for atmosphere, oceans,
and connected sciences.

With a MacPro 1.1 running 10.5.8 and the indicated R and RGui,
I get this result

* installing *source* package ‘udunits’ ...
creating cache ./config.cache
checking how to run the C preprocessor... gcc -arch i386 -std=gnu99 -E
checking for gcc... gcc -arch i386 -std=gnu99
checking whether the C compiler (gcc -arch i386 -std=gnu99 -g -O2 )  
works... no
configure: error: installation or configuration problem: C compiler  
cannot create executables.
ERROR: configuration failed for package ‘udunits’
* removing ‘/Library/Frameworks/R.framework/Versions/2.10/Resources/ 
library/udunits’

The downloaded packages are in
	‘/private/var/folders/pb/pbT1eFNa2RaEvE+1Yx812U+++TI/-Tmp-/RtmpzhkbgP/ 
downloaded_packages’
 >
 >
 > sessionInfo()
R version 2.10.0 (2009-10-26)
i386-apple-darwin9.8.0

locale:
[1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] tools_2.10.0
Warning message:
In install.packages(c("udunits"), lib = "/Library/Frameworks/ 
R.framework/Resources/library/",  :
   installation of package 'udunits' had non-zero exit status
 >

***************
Is this hard to fix?
Could there be a RNetCDF without the udunits package?  .... I myself
use udunits rather rarely.

Bob Chatfield




>> Message: 2
>> Date: Sat, 4 Jul 2009 14:35:40 -0700
>> From: Jan de Leeuw <deleeuw@stat.ucla.edu>
>> Subject: Re: [R-SIG-Mac] Unable to install package RGtk2
>> To: "r-sig-mac@stat.math.ethz.ch Mac List"
>> 	<r-sig-mac@stat.math.ethz.ch>
>> Cc: statcompute <statcompute@mta.stat.ucla.edu>
>> Message-ID: <FD535A21-B873-4986-8466-876455B77C1C@stat.ucla.edu>
>> Content-Type: text/plain; charset=windows-1252; format=flowed;
>> 	delsp=yes
>>
>> I have a 2.5 GB file localxxxxxx.tgz, with xxxxxx indicating the  
>> date.
>>
>> You can get it from afp://gifi.stat.ucla.edu and then
>> from my Public directory in /software. Or from a WebDAV connection to
>> http://public.me.com/jdeleeuw/software (it's currently gone from
>> me.com, but
>> it will be there again soon).
>>
>> It contains
>>
>> a. 64-bit version of R-devel (a.k.a R-2.10.0) with about 600  
>> packages.
>> It supports the
>>    GTK+, tcl/tk, SciViews, etc interfaces.
>>
>> b. 64-bit version of grass-trunk (a.k.a. GRASS-7.0).
>>
>> c. Support-libraries and executables, all 64-bit, for ImageMagick,
>> freetype, GDAL, proj,
>>    gsl, gmp, mpfr, fftw, mysql, pgsql, hadoop, root, heasoft, hdf4/5,
>> netcdf, graphviz,
>>    ffmpeg, asymptote, expat, cdd, cfitsio, fontconfig, gc, geos,
>> geotiff, gd, tiff, jpeg,
>>    png, svg, gettext, harminv, iconv, intl, jags, jasper, las,
>> pixman, qhull, readline,
>>    sqlite, szip, tcl/tk, udunits, xml2, gtk2, gdk, atk, glib, cairo,
>> pango, glade, git,
>>    wget, gawk, sed, gs, pkg-config, tramo, seats, x12a, yacas, pvm3
>> --- probably more.
>>
>> d. A 64-bit version of gcc, g++, gfortran 4.2.5 with gomp.  
>> Everything,
>> including the
>>    compilers, is compiled with flags "-m64 -O3 -fopenmp -
>> mtune=native" -- "native" in
>>    this context means "nocona", i.e. Intel Core Duo.
>>
>> e. texlive-2008
>>
>> It is updated one or twice per week with recent cvs, svn or git
>> versions. It installs in
>> /usr/local. The R is pretty snappy on my machine.
>>
>> !!!!!!!!!!!!!!!!!
>> Limitations 
>>  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>>
>> 1. This is for CLI junkies. Normal people will stay away from this.
>>
>> 2. The quartz device in R works, but many other things are either GTK
>> +, tcl/tk, or even
>>    Athena.
>>
>> 3. This was compiled on OS X 10.6 (Snow Leopard). Your Leopard  
>> mileage
>> may vary. No
>>    universal binaries of any sort, of course.
>>
>> 4. Basically it creates a separate 64-bit development environment,
>> independent of the Apple stuff
>>    (and independently, if you want, of the "normal" and nice R and
>> GRASS framework-builds and GUIs).
>>
>> 5. This is a large file. After unpacking "du -s /usr/local" says
>> 14167872 (i.e. 14 GB).
>>
>> 6. I am not really supporting this for users outside my department.
>> That would be unwise.


Dr. Robert Chatfield
Earth Sciences, MS 245-5
NASA Ames Research Center
Moffett Field, CA 94035    USA

Ph: 650-604-5490  FAX 650-604-3625

http://geo.arc.nasa.gov/sgg/chatfield





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