Looks like the adjustments to install xrender.pc is missing in lib/Xrender. It should be done similar to the mechanism in Xft/Xcursor. I'll attach a patch. But I think this patch must be reviewed. VERSION e.g. is hardcoded and there should be a better way to detect the current version number.
Created attachment 204 [details] [review] Patch to install xrender.pc
Egbert, any comments about this patch?
Committed, thanks!
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