[R-SIG-Mac] Cocoa gui with embedded R framework

Kjell Konis konis at stats.ox.ac.uk
Wed Mar 23 21:21:03 CET 2005


It seems to work okay.  Right now I have to set R_HOME for each  
location I want to test R.app in but that should be an easy fix: I  
think I can set R_HOME in Rcontroller.  That should set R_HOME before  
the application goes belly-up.

There are some hard coded /Library/Frameworks/R.framework's that are  
preventing some packages from installing/loading but hopefully they  
aren't buried too deep.


On Mar 23, 2005, at 6:40 PM, stefano iacus wrote:

> You should set R_HOME in the env vars of the R executable (see the  
> INSTALL file in the xcode project of R.app)
> Otherwise you can set R_HOME as a global var. It's a global prefs file  
> (I don't remember now which one) that is used by the Finder on OS X to  
> set env vars.
> Simon? Could this be done at run-time (for this specific version of  
> R.app of Kjell) by setting it relative to R.app path before  
> kickstarting R?
> In any case, I would be pleased to know if is works after moving  
> around R.app on the system or even after installing a package and move  
> again R.app around.
> stefano
> On 23/mar/05, at 19:28, Kjell Konis wrote:
>> Hi,
>> Background:
>> I am trying to build the cocoa gui with R.framework embedded as a  
>> private framework.  The first thing I did was make a copy of  
>> R.framework and use install_name_tool to change the install location  
>> of libR.dylib to  
>> "@executable_path/../Frameworks/R.framework/Versions/2.0.1/Resources/ 
>> lib/libR.dylib".  Then I changed the settings in the R.xcode project  
>> to link against this custom R.framework and copy it into  
>> R.app/Contents/Frameworks (for some reason I had to add the full  
>> paths to R.framework/Headers and R.framework/PrivateHeaders even with  
>> the framework search path set to the directory containing R.framework  
>> - weird).  Anyway, the project builds successfully but fails to start  
>> because the R_HOME environment variable is not set.  The only mention  
>> of R_HOME I can find in R.xcode is in the Info.plist file but  
>> changing the value there doesn't seem to have any effect.
>> Question:
>> How does the R_HOME get set when the R is launched from the cocoa gui?
>> Thanks,
>> Kjell
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