[Rd] MacOS X 10.4 build problem
w.northcott at unsw.edu.au
Mon May 2 22:05:14 CEST 2005
On 02/05/2005, at 10:50 PM, Simon Urbanek wrote:
>> Error in dyn.load(x, as.logical(local), as.logical(now)) :
>> unable to load shared library '/Users/billn/Public/R/
>> libs/grDevices.so, 6): Symbol not found: __cg_jpeg_resync_to_restart
>> Referenced from: /System/Library/Frameworks/
>> Expected in: /usr/local/lib/libJPEG.dylib
> It's a problem in your library setup. Your /usr/local/lib/
> libJPEG.dylib conflicts with the system libJPEG.dylib from ImageIO
> framework (which is in /System/Library/Frameworks/
> ImageIO.framework/Versions/A/Resources/libJPEG.dylib). Since R
> forces the load of the one in /usr/local/lib first (as you
> configured it), it is loaded instead of the one in ImageIO
> framework, but it doesn't contain the same symbols, thus the load
> fails. You should remove /usr/local/libJPEG.dylib and use static
> version or ImageIO instead.
Ding! I get it. It is a problem with the case independent file
system. libJPEG would be different from the gnu libjpeg, but on HFS+
it is not. Hence the confusion.
I will try to look at it later. I think all I may need to do is
remove the libjpeg.dylib symlink, which would Appleise it.
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