system/evdi-kernel: Added (Extensible Virtual Display Interface).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

system/evdi-kernel/README

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+The Extensible Virtual Display Interface (EVDI) is a Linux kernel
+module that enables management of multiple screens, allowing user-space
+programs to take control over what happens with the image. It is
+essentially a virtual display you can add, remove and receive screen
+updates for, in an application that uses the libevdi library.

system/evdi-kernel/doinst.sh

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+chroot . /sbin/depmod -a @KERNEL@

system/evdi-kernel/evdi-kernel.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for DisplayLink EVDI kernel Module
+
+# Copyright 2017 Andre Barboza, Belo Horizonte - Brazil
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "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 AUTHOR 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=evdi-kernel
+VERSION=${VERSION:-1.3.43}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+KERNEL=${KERNEL:-$(uname -r)}
+KERNELPATH=${KERNELPATH:-/lib/modules/$KERNEL/build}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/evdi-$VERSION.tar.gz
+cd evdi-$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 {} \;
+
+pushd module
+make KERN_DIR=${KERNELPATH}
+popd
+
+mkdir -p $PKG/lib/modules/$KERNEL/misc
+install -m 0644 module/evdi.ko $PKG/lib/modules/$KERNEL/misc/
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a \
+  README.md docs/{details.md,index.md,quickstart.md} \
+  $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+sed "s%@KERNEL@%$KERNEL%" $CWD/doinst.sh > $PKG/install/doinst.sh
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

system/evdi-kernel/evdi-kernel.info

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+PRGNAM="evdi-kernel"
+VERSION="1.3.43"
+HOMEPAGE="https://github.com/DisplayLink/evdi/"
+DOWNLOAD="https://github.com/DisplayLink/evdi/archive/v1.3.43/evdi-1.3.43.tar.gz"
+MD5SUM="08b08e873f5b4f70929a126427150152"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES=""
+MAINTAINER="Andre Barboza"
+EMAIL="bmg.andre@gmail.com"

system/evdi-kernel/slack-desc

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+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+           |-----handy-ruler------------------------------------------------------|
+evdi-kernel: evdi-kernel (Extensible Virtual Display Interface - Kernel Module)
+evdi-kernel:
+evdi-kernel: The Extensible Virtual Display Interface (EVDI) is a Linux kernel
+evdi-kernel: module that enables management of multiple screens, allowing
+evdi-kernel: user-space programs to take control over what happens with the image.
+evdi-kernel: It is essentially a virtual display you can add, remove and receive
+evdi-kernel: screen updates for, in an application that uses the libevdi library.
+evdi-kernel:
+evdi-kernel:
+evdi-kernel:
+evdi-kernel: