--- /dev/null
+--- a/configure.in
++++ b/configure.in
+@@ -68,7 +68,7 @@
+ case $my_build_os in
+ aix*) AC_DEFINE(AIX_STRANGENESS, 1, [ defined on AIX systems. ]) ;;
+ osf1*) AC_DEFINE(TRU64_STRANGENESS, 1, [ defined on OSF systems. ]) ;;
+- linux*) AC_DEFINE(_BSD_SOURCE, 1, [ defined usually on linux systems ] ) ;;
++ linux*) AC_DEFINE(_DEFAULT_SOURCE, 1, [ defined usually on linux systems ] ) ;;
+ bsd/os*) ;;
+ freebsd*) ;;
+ sunos*) ;;
--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+inherit autotools flag-o-matic
+
+DESCRIPTION="Reports network interface statistics"
+HOMEPAGE="https://www.frenchfries.net/paul/tcpstat/"
+SRC_URI="${HOMEPAGE}${P}.tar.gz"
+
+LICENSE="BSD-2"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~ppc64 ~sparc ~x86"
+IUSE="ipv6"
+
+DEPEND="
+ net-libs/libpcap
+"
+RDEPEND="
+ ${DEPEND}
+"
+DOCS=( AUTHORS ChangeLog NEWS README doc/Tips_and_Tricks.txt )
+PATCHES=(
+ "${FILESDIR}"/${P}-db.patch
+ "${FILESDIR}"/${P}-_DEFAULT_SOURCE.patch
+)
+
+src_prepare() {
+ default
+ eautoreconf
+}
+
+src_configure() {
+ append-cflags -Wall -Wextra
+ econf \
+ $(use_enable ipv6) \
+ --with-pcap-include='' \
+ --with-pcap-lib="$( $(tc-getPKG_CONFIG) --libs libpcap)"
+}
+
+src_install() {
+ default
+ dobin src/{catpcap,packetdump}
+ newdoc src/README README.src
+}