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 crs libminiupnpc.a miniwget.o minixml.o igd_desc_parse.o minisoap.o miniupnpc.o upnpreplyparse.o upnpcommands.o upnperrors.o connecthostport.o portlistingparse.o receivedata.o minissdpc.o
+ 19 Apr 2014; Julian Ospald <hasufell@gentoo.org> miniupnpc-1.8.ebuild: + respect AR wrt #475144