> On Dec 31, 2015, at 3:43 AM, Duncan Murdoch <[email protected]> wrote:
> 
> On 30/12/2015 9:40 PM, David Winsemius wrote:
> [lots deleted]
>> So I guess the question is ... why is the build process for the 
>> Mavericks/Yosemite/El Capitan machines still failing to produce a current 
>> (working) version of rgl?
> 
> I think it does probably does produce a working version, but it fails the 
> tests on that particular machine.
> 
> I believe the problem is that the CRAN test machine uses an unusual X server. 
>  I've asked for details on a couple of occasions so I could reproduce the 
> error, but received no response.  I don't know if the server is buggy or rgl 
> just fails to do some checks that are unnecessary on other servers.
> 
> The latest error is occurring in rgl.pixels, and the underlying C++ code 
> there is a little sloppy with type conversions (e.g. it assumes GL_FLOAT is 
> float, which is not necessarily true), and is probably also sloppy with 
> run-time checks.  I don't think the type sloppiness could be a cause of the 
> error (I think it would fail for all servers if so), and I can't spot the 
> run-time sloppiness.
> 

Is there any way to put a ##Not run ..... ### "bracket" around that code?


> Duncan Murdoch

David Winsemius
Alameda, CA, USA

_______________________________________________
R-SIG-Mac mailing list
[email protected]
https://stat.ethz.ch/mailman/listinfo/r-sig-mac

Reply via email to