Re: [R] Problems with Rscript executable.

From: Dirk Eddelbuettel <edd_at_debian.org>
Date: Mon, 28 Apr 2008 12:21:34 -0500

Gregg,

On 28 April 2008 at 10:42, Gregg Phillips wrote:
| Good Morning,
|
| I have recently built R version 2.7.0 on a CentOS release 4.6, 64-bit
| system using the following command:
|
| ./configure --prefix=/usr/local/r-2.7.0
|
| Everything built fine and works properly except for Rscript which is
| looking for files in the original build directory instead of the
| specified install directory. Did I forget to add a flag or is this a bug?

I think it's a bug, or 'some unnecessary fragility' in the build system.

A user noticed the same in one of the beta/rc pre-releases I made of R 2.7.0 for the Debian distro. I immediately reported this to Prof Ripley, but I never received a reply.

A few easy-ish ways to fix it are:

i) Define the environment variable RHOME and point to /usr/local/r-2.7.0;

     if the variable exists Rscript will ignore the compile-time setting.

ii) Similarly, just alter the code and override rhome in line 67:

             static char rhome[] = R_HOME;

iii) Correct the fragility in the build system by something like

	$ cd src/unix; R_HOME="/usr/local/r-2.7.0" make Rscript
     which should work.

iv)  Just switch to littler :-)  
     [ http://dirk.eddelbuettel.com/code/littler.html ]

Hoep this helps, Dirk

-- 
Three out of two people have difficulties with fractions.

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Received on Mon 28 Apr 2008 - 17:57:12 GMT

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