R help - Jul 2008 - Installation error for RCurl in Redhat enterrpise 5

I am getting the following error while trying to install the RCurl library. I
have checked that the curl and the libcurl.so.3
is already installed in the /usr/bin
> install.packages("RCurl")
--- Please select a CRAN mirror for use in this session ---
Loading Tcl/Tk interface ... done
trying URL 'http://cran.hostingzero.net/src/contrib/RCurl_0.9-3.tar.gz'
Content type 'application/x-gzip' length 150822 bytes (147 Kb)
opened URL
=================================================downloaded 147 Kb

* Installing *source* package 'RCurl' ...
checking for curl-config... no
Cannot find curl-config
ERROR: configuration failed for package 'RCurl'
** Removing '/usr/lib/R/library/RCurl'

The downloaded packages are in
        /tmp/RtmprTpHXJ/downloaded_packages
Updating HTML index of packages in '.Library'
Warning message:
In install.packages("RCurl") :
  installation of package 'RCurl' had non-zero exit
status
> 



It would be great if some one has suggesstion about solving this problem


Thanks,
Amin

On Thu, 24 Jul 2008, Momin, Amin A wrote:
> I am getting the following error while trying to install the RCurl 
> library. I have checked that the curl and the libcurl.so.3 is already 
> installed in the /usr/bin
You are almost surely missing the curl-devel RPM.  On most Linux distros 
third-party packages are split up into parts needed to use the library and 
parts needed to compile against the library, and you need both.

I hope libcurl.so.3 is actually in /usr/lib.  One of the components that 
will be in curl-devel is libcurl.so that you need to compile against 
libcurl.
>
>> install.packages("RCurl")
> --- Please select a CRAN mirror for use in this session ---
> Loading Tcl/Tk interface ... done
> trying URL
'http://cran.hostingzero.net/src/contrib/RCurl_0.9-3.tar.gz'
> Content type 'application/x-gzip' length 150822 bytes (147 Kb)
> opened URL
> =================================================> downloaded 147 Kb
>
> * Installing *source* package 'RCurl' ...
> checking for curl-config... no
> Cannot find curl-config
> ERROR: configuration failed for package 'RCurl'
> ** Removing '/usr/lib/R/library/RCurl'
>
> The downloaded packages are in
>        /tmp/RtmprTpHXJ/downloaded_packages
> Updating HTML index of packages in '.Library'
> Warning message:
> In install.packages("RCurl") :
>  installation of package 'RCurl' had non-zero exit status
>>
>
>
>
>
> It would be great if some one has suggesstion about solving this problem
>
>
> Thanks,
> Amin
>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
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