--- nspr-4.9.2.ebuild	2012-11-15 22:46:34.461834790 +0100
+++ nspr-4.9.2-r1.ebuild	2012-11-15 22:54:41.749742853 +0100
@@ -67,12 +67,14 @@
 	cd "${S}"/build
 	if tc-is-cross-compiler; then
 		emake CC="$(tc-getBUILD_CC)" CXX="$(tc-getBUILD_CXX)" \
+			AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" \
 			-C config nsinstall || die "failed to build"
 		mv config/{,native-}nsinstall
 		sed -s 's#/nsinstall$#/native-nsinstall#' -i config/autoconf.mk
 		rm config/nsinstall.o
 	fi
-	emake CC="$(tc-getCC)" CXX="$(tc-getCXX)" || die "failed to build"
+	emake CC="$(tc-getCC)" CXX="$(tc-getCXX)" \
+		AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" || die "failed to build"
 }
 
 src_install () {