[Rd] make check fails when R_HOME env var set (PR#1284)

[andy_liaw@merck.com]

I also fell into that trap a couple of times, but it doesn't really bother
me, since it's, IMHO, a real minor inconvenience.

(In bash, under Linux:)  Would the following work?  Haven't tried...

  R_HOME="" make check

Andy

> -----Original Message-----
> From: gregory_r_warnes@groton.pfizer.com
> [mailto:gregory_r_warnes@groton.pfizer.com]
> Sent: Friday, January 25, 2002 3:11 PM
> To: r-devel@stat.math.ethz.ch
> Cc: R-bugs@biostat.ku.dk
> Subject: [Rd] make check fails when R_HOME env var set (PR#1284)
> 
> 
> 	
> When the R_HOME environment variable is set, R issues a 
> warning messages
> when it starts up.  When doing 'make check' this causes the check for
> eval-etc.R to fail:
> 	
> 	[...]
> 	make[3]: Leaving directory
> `/Volumes/app/R/src/R-1.4.0_patched_2002-01-24/tests'
> 	running strict specific tests
> 	make[3]: Entering directory
> `/Volumes/app/R/src/R-1.4.0_patched_2002-01-24/tests'
> 	running code in `eval-etc.R' ... OK
> 	comparing `eval-etc.Rout' to `./eval-etc.Rout.save' ...1d0
> 	< WARNING: ignoring environment value of R_HOME
> 	make[3]: *** [eval-etc.Rout] Error 1
> 	make[3]: Leaving directory
> `/Volumes/app/R/src/R-1.4.0_patched_2002-01-24/tests'
> 	make[2]: *** [test-Specific] Error 2
> 	make[2]: Leaving directory
> `/Volumes/app/R/src/R-1.4.0_patched_2002-01-24/tests'
> 	make[1]: *** [test-all-basics] Error 1
> 	make[1]: Leaving directory
> `/Volumes/app/R/src/R-1.4.0_patched_2002-01-24/tests'
> 	make: *** [check] Error 2
> 
> This is, of course easily worked around by unsetting R_HOME 
> and removing it
> from the shell startup scripts, but this is incovienient when 
> R_HOME needs
> to be set for other reasons (e.g. to allow the Python interface to R
> 'RSPython' to find the R code it needs).
> 
> It already appears that the version strings are filtered out 
> when testing
> for difference between the versions.  Is it possible to filter out the
> environment variable warning message as well? 
> 
> -Greg
> 
> 
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