[Rd] JPEG struct mismatch on Intel Macs (PR#9209)

simon.urbanek at r-project.org simon.urbanek at r-project.org
Wed Sep 6 19:16:37 CEST 2006

On Sep 6, 2006, at 12:34 PM, Peter Dalgaard wrote:

> spector at stat.berkeley.edu writes:
>> Full_Name: Phil Spector
>> Version: 2.3.1
>> OS: Mac OS X (Tiger)
>> Submission from: (NULL) (
>> Trying to close a jpeg() device on an Intel Mac causes the following:
>>> jpeg('out.jpg')
>>> plot(1:10)
>>> dev.off()
>> JPEG parameter struct mismatch: library thinks size is 372, caller  
>> expects 376
>> null device
>>           1
>> An empty jpg file is produced in 'out.jpg'
> AFAICT, this wouldn't be a bug in R. Your version of R appears to  
> have been built with one version of the jpeg libraries and you have  
> another version installed. Unless we have a compiler issue and one  
> part is padding out to a multiple of 8 bytes.

Although it's not a bug in R, it is a problem with the Mac binary  
which uses static libjpeg. I have re-compiled libjpeg for Intel Mac  
so tonight's nightly build should be ok.


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