--- /dev/null
+--- a/src/ntpclient.c 2018-08-27 20:38:12.000000000 +0200
++++ b/src/ntpclient.c 2019-08-19 20:11:59.000000000 +0200
+@@ -40,6 +40,7 @@
+ #include <unistd.h>
+ #include <errno.h>
+ #ifdef PRECISION_SIOCGSTAMP
++#include <linux/sockios.h>
+ #include <sys/ioctl.h>
+ #endif
+ #ifdef USE_OBSOLETE_GETTIMEOFDAY
--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+MY_PV="${PV/./_}"
+MY_P="${PN}-${MY_PV}"
+
+DESCRIPTION="A NTP (RFC-1305 and RFC-4330) client for unix-alike systems"
+HOMEPAGE="https://github.com/troglobit/ntpclient"
+SRC_URI="https://github.com/troglobit/${PN}/releases/download/${MY_PV}/${MY_P}.tar.xz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86"
+IUSE="debug embedded obsolete +syslog"
+
+S="${WORKDIR}/${MY_P}"
+
+PATCHES=(
+ "${FILESDIR}/${P}-linux-headers-5.2.patch"
+)
+
+src_configure() {
+ local myeconfargs=(
+ $(use_enable debug)
+ $(use_enable debug replay)
+ $(use_enable embedded mini)
+ $(use_enable obsolete)
+ $(use_enable !obsolete siocgstamp)
+ $(use_enable syslog)
+ )
+
+ econf "${myeconfargs[@]}"
+}