[R] how do I tell configure where to find Java? [Broadcast]

[mike waters]

For a jre you could create a file called /etc/profile.d/java.sh containing
the following (JAVA_HOME path will need to point to the correct directory
for your particular Java version):

#!/bin/sh
JAVA_HOME=/usr/java/jre1.5.0_08
export JAVA_HOME
JAVA_BIN=$JAVA_HOME/bin
CLASSPATH=$CLASSPATH:$JAVA_HOME:$JAVA_HOME/lib
PATH=$JAVA_BIN:$PATH
export JAVA_BIN CLASSPATH PATH 

-----Original Message-----
From: Liaw, Andy [mailto:andy_liaw at merck.com] 
Sent: 03 October 2006 20:31
To: mike waters
Cc: 'r-help'
Subject: RE: [R] how do I tell configure where to find Java? [Broadcast]

Before I do that, I would need to remove the gcj stuff that are in /usr/bin.
If I know how to remove gcj, I'd gladly do that.  However, for the
particular version of the OS, the entire GCC seems to be bundled into one
rpm, and I could not remove just the gcj component.  Neither do I wish to
mess with files that are part of some RPMs--- in my experience that's
invitation for trouble later.

Best,
Andy 

From: mike waters 
> 
> I'm not familiar with gcj, but my initial reaction would be a ln -s 
> for the relevant compiler executable from /usr/java into /usr/bin.
> 
> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Liaw, Andy
> Sent: 03 October 2006 19:40
> To: r-help
> Subject: [R] how do I tell configure where to find Java?
> 
> Dear R-help,
> 
> I'm trying to build R-2.4.0 on our Opteron-based Scyld cluster.  The 
> system has gcj (the GNU Java compiler, part of
> GCC) stuff in /usr/bin.  When I installed jdk 1.5.08, the install 
> script placed it in /usr/java (I didn't have a choice, as the script 
> didn't offer that option).  Now when I run configure in R-2.4.0, it 
> finds gcj, which is not what I want to use.  Is there a way to tell 
> configure where to look for Java?  I tried configure --help but didn't 
> see anything related to Java.
> 
> Best,
> Andy
> 
> Andy Liaw, PhD
> Biometrics Research    PO Box 2000 RY33-300
> Merck Research Labs        Rahway, NJ 07065
> andy_liaw(a)merck.com          732-594-0820
> 
> 
> 
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