On Tue, Jun 29, 2010 at 15:32, Wendall Cada <[email protected]> wrote: > While doing some preliminary research on building a couchdb rpm, I > discovered that Fedora/Centos/RedHat couchdb rpms are built against > js-devel-0.70.
You mean 1.7.0? > As can be seen here: > $ js -v > JavaScript-C 1.7.0 2007-10-03 > > I am quite shocked that it is being built against something so ancient. > xulrunner-devel is at 1.9.2.4 on my fc13 workstation. It's a known problem that no stand-alone SpiderMonkey has been released for quite a while. On the other hand, I don't think XULRunner versions directly relate to SpiderMonkey versions the way you imply. > The question is, how much of a performance hit is there using this very old > and outdated js lib? I think tests with SpiderMonkey 1.8 weren't conclusive about the performance benefit, so I wouldn't worry too much (but people might correct me on this). Cheers, Dirkjan
