--- /dev/null
+diff -ur a/configure.ac b/configure.ac
+--- a/configure.ac 2009-10-15 03:42:51.000000000 +0200
++++ b/configure.ac 2015-10-07 02:18:06.571175156 +0200
+@@ -82,6 +82,8 @@
+ ACF_SEARCH_FUNCTION([res_query], [-lresolv, -lbind],
+ [], [AC_MSG_ERROR([res_query not found])],
+ [AC_LANG_PROGRAM([[
++ #include <netinet/in.h>
++ #include <arpa/nameser.h>
+ #include <resolv.h>
+ ]], [[res_query(0, 0, 0, 0, 0);]])
+ ])
--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+inherit autotools-multilib eutils flag-o-matic libtool multilib multilib-minimal
+
+DESCRIPTION="C library for executing name service queries asynchronously"
+HOMEPAGE="http://0pointer.de/lennart/projects/libasyncns/"
+SRC_URI="http://0pointer.de/lennart/projects/libasyncns/${P}.tar.gz"
+
+SLOT="0"
+
+LICENSE="LGPL-2.1"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~sh ~sparc ~x86 ~amd64-fbsd ~amd64-linux ~x86-linux"
+
+IUSE="doc debug"
+
+RDEPEND=""
+DEPEND="doc? ( app-doc/doxygen )"
+
+src_prepare() {
+ # fix libdir in pkgconfig file
+ epatch "${FILESDIR}/${P}-libdir.patch"
+ # fix configure check for res_query
+ epatch "${FILESDIR}/${P}-configure-res_query.patch"
+ eautoreconf
+}
+
+multilib_src_configure() {
+ # libasyncns uses assert()
+ use debug || append-cppflags -DNDEBUG
+
+ ECONF_SOURCE=${S} \
+ econf \
+ --docdir="${EPREFIX}"/usr/share/doc/${PF} \
+ --htmldir="${EPREFIX}"/usr/share/doc/${PF}/html \
+ --disable-dependency-tracking \
+ --disable-lynx \
+ --disable-static
+}
+
+multilib_src_compile() {
+ emake || die "emake failed"
+
+ if multilib_is_native_abi && use doc; then
+ doxygen doxygen/doxygen.conf || die "doxygen failed"
+ fi
+}
+
+multilib_src_install() {
+ emake DESTDIR="${D}" install || die "emake install failed"
+
+ if multilib_is_native_abi && use doc; then
+ docinto apidocs
+ dohtml html/*
+ fi
+}
+
+multilib_src_install_all() {
+ find "${D}" -name '*.la' -delete
+}