On May 23, 2015, at 9:04 PM, Ryan Schmidt <[email protected]> wrote:

> I do wish to do at least some basic functionality testing of a libjpeg 
> replacement on Tiger and Leopard. I do not want to be the cause of much of 
> MacPorts ceasing to function properly for users of those systems, if it can 
> be reasonably avoided.
> 
> I verified libjpeg-turbo 1.4.0 builds and destroots on real PowerPC Macs 
> running 10.4 and 10.5, but have not yet installed or used it.
> 
> I plan to rebuild a port I maintain--graphviz--and all its dependencies to 
> use libjpeg-turbo, then verify that I can create a graph with graphviz that 
> both uses (reads) jpeg input files and produces (writes) a jpeg output file. 
> Then I would probably repeat the test with mozjpeg instead of libjpeg-turbo. 
> If that works, I'll be satisfied to replace jpeg with libjpeg-turbo/mozjpeg.

Running `port test libjpeg-turbo` would be useful as well.

vq
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