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diff --git a/network/openntpd/openntpd.SlackBuild b/network/openntpd/openntpd.SlackBuild
new file mode 100644
index 0000000000000..299f4120f0d5b
--- /dev/null
+++ b/network/openntpd/openntpd.SlackBuild
@@ -0,0 +1,142 @@
+#!/bin/sh
+
+# Slackware build script for openntpd
+
+# Copyright (c) 2015 LEVAI Daniel
+# All rights reserved.
+#
+# * Redistribution and use in source and binary forms, with or without
+#   modification, are permitted provided that the following conditions
+#   are met:
+# * Redistributions of source code must retain the above copyright notice
+#   this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+PRGNAM=openntpd
+VERSION=${VERSION:-5.7p1}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i486" ]; then
+  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+echo "You must have a user and group called '_ntp' to use this package. E.g.:
+# groupadd -g 217 _ntp
+# useradd -u 217 -m -d /var/empty/openntpd -s /bin/false -g _ntp _ntp"
+
+# Check the user/group if they're present
+egrep -q -e '^_ntp:' /etc/passwd
+egrep -q -e '^_ntp:' /etc/group
+
+# Create the _ntp user's home, and the daemon's chroot directory
+mkdir -p $PKG/var/empty/openntpd
+chown root:root $PKG/var/empty/openntpd
+chmod 0755 $PKG/var/empty/openntpd
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
+cd $PRGNAM-$VERSION
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+for diff in $CWD/patches/*.diff;do
+	patch -p1 < "${diff}"
+done
+
+# Prepare the source for renamings, later in the build script
+sed -i -r -e 's,^(#define	CONFFILE	SYSCONFDIR "/)(ntpd)(\.conf")$,\1open\2\3,' ./ntpd.h
+sed -i -r -e 's,^(#define	DRIFTFILE	LOCALSTATEDIR "/db/)(ntpd)(\.drift")$,\1open\2\3,' ./ntpd.h
+sed -i -r -e 's,^(#define	CTLSOCKET	LOCALSTATEDIR "/run/)(ntpd)(\.sock")$,\1open\2\3,' ./ntpd.h
+sed -i -r -e 's,ntpd,openntpd,;s,NTPD,OPENNTPD,;s,ntpctl,openntpctl,' \
+	./ntpd.8 ./ntpd.conf.5 ./ntpctl.8 ./ntpd.conf
+sed -i -r -e 's,adjfreq,adjtime,' ./ntpd.8
+
+CFLAGS="$SLKCFLAGS" \
+./configure \
+  --prefix=/usr \
+  --libdir=/usr/lib${LIBDIRSUFFIX} \
+  --sysconfdir=/etc \
+  --localstatedir=/var \
+  --mandir=/usr/man \
+  --build=$ARCH-slackware-linux
+
+make
+make install DESTDIR=$PKG
+
+# Remove unnecessary directories created by `make install`
+rmdir $PKG/var/run/
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+find $PKG/usr/man -type f -exec gzip -9 {} \;
+for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
+
+# Don't interfere with stock ntp package
+mv $PKG/usr/sbin/ntpd $PKG/usr/sbin/openntpd
+mv $PKG/usr/sbin/ntpctl $PKG/usr/sbin/openntpctl
+mv $PKG/usr/man/man8/ntpd.8.gz $PKG/usr/man/man8/openntpd.8.gz
+mv $PKG/usr/man/man8/ntpctl.8.gz $PKG/usr/man/man8/openntpctl.8.gz
+mv $PKG/usr/man/man5/ntpd.conf.5.gz $PKG/usr/man/man5/openntpd.conf.5.gz
+mv $PKG/etc/ntpd.conf $PKG/etc/openntpd.conf.new
+
+# Add an init script
+mkdir -p $PKG/etc/rc.d
+install -m 0644 $CWD/rc.openntpd $PKG/etc/rc.d/rc.openntpd.new
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a INSTALL README $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+cat $CWD/doinst.sh > $PKG/install/doinst.sh
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}