You receive this bug because this package does not respect my system's AR (x86_64-pc-linux-gnu-ar) and calls directly /usr/bin/ar The possible solutions to fix this issue are: 1)Fix the buildsystem, if you can; 2)inherit toolchain-funcs and use tc-export AR 3)inherit toolchain-funcs and use emake AR="$(tc-getAR)" From the build log: ar cru libaguix.a acontainer.o acontainerbb.o aguix.o aguixcolor.o aguixfont.o ascaler.o awidth.o awindow.o backgroundmessagehandler.o bevelbox.o button.o callback.o choosebutton.o compregex.o condvar.o cyclebutton.o dndelement.o dndtext.o drawablecont.o fieldlistview.o fieldlistviewdnd.o fieldlvrowdata.o focus.o guielement.o kartei.o karteibutton.o lowlevelfunc.o message.o mutex.o popupmenu.o popupwindow.o request.o searchtextstorage.o slider.o solidbutton.o stringgadget.o text.o textshrinker.o textstorage.o textview.o thread.o utf8.o util.o widget.o
+ 25 Apr 2013; Sergey Popov <pinkbyte@gentoo.org> -worker-2.18.1.ebuild, + worker-2.19.6.ebuild: + Respect AR, wrt bug #467222. Thanks to Agostino Sarubbo for discovering this + issue. Drop old version