Created attachment 385377 [details] mozilla-js.pc.patch The pkgconfig file fails to include proper support for the js headers. Simple fix is to modify mozilla-js.pc.in slightly to include the proper location of the headers. The patch that is attached should be committed back on 1.9.0.x branch along with the up coming 1.9.1 branch.
Created attachment 389266 [details] [diff] [review] mozilla-js.pc.in fix for proper location of headers.
mozilla-plugin also looks for headers in stable while they are only avaliable in unstable.
Created attachment 389267 [details] [diff] [review] mozilla-plugin.pc diff to include proper headers
https://developer.mozilla.org/en/Getting_your_patch_in_the_tree#Getting_Reviews - if you don't request review, there's really no point in attaching patches, since the most you can hope for is that someone will leave a comment linking to https://developer.mozilla.org/en/Getting_your_patch_in_the_tree.
Comment on attachment 389266 [details] [diff] [review] mozilla-js.pc.in fix for proper location of headers. Both patch are up for review another gentoo dev has requested I get these fixed as soon as possible upstream.