Gentoo's Bugzilla –
Attachment 321318 Details for
Bug 431336dev-db/couchdb with >=dev-lang/spidermonkey-185 - In file included from couch_js/main.c:18:0: couch_js/sm180.c: In function ‘req_status’: couch_js/sm180.c:108:5: error: implicit declaration of function ‘INT_FITS_IN_JSVAL’