system/grub_legacy: Added (legacy version of GRUB bootloader).

Signed-off-by: David Spencer <idlemoor@slackbuilds.org>

system/grub_legacy/README

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+GRUB Legacy is the legacy version of the GRUB Bootloader.
+It has the following features:
+    It is smaller than the current version.
+    It is easily configurable.
+    It is the best bootloader for embedded systems.
+
+This package conflicts with Slackware's grub package.

system/grub_legacy/grub_legacy.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for grub_legacy
+
+# Copyright 2017 Jan F. Chadima <jfch@jagda.eu>
+
+# 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=grub_legacy
+VERSION=${VERSION:-0.97}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i686 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+case "$ARCH" in
+  i686)
+    SRCPKG="grub-$VERSION-99.el6.i686"
+    ;;
+  x86_64)
+    SRCPKG="grub-$VERSION-99.el6.x86_64"
+    ;;
+  *)
+    echo "Unsupported architecture $ARCH."
+    exit 1
+    ;;
+esac
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rpm2cpio $CWD/$SRCPKG.rpm | (cd $PKG; cpio -idu)
+cd $PKG
+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 {} \;
+
+mv $PKG/usr/share/doc $PKG/usr
+mv $PKG/usr/doc/grub-$VERSION $PKG/usr/doc/$PRGNAM-$VERSION
+mv $PKG/usr/share/info $PKG/usr
+mv $PKG/usr/share/man $PKG/usr
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

system/grub_legacy/grub_legacy.info

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+PRGNAM="grub_legacy"
+VERSION="0.97"
+HOMEPAGE="https://www.gnu.org/software/grub/grub-legacy.html"
+DOWNLOAD="http://mirror.centos.org/centos/6/os/i386/Packages/grub-0.97-99.el6.i686.rpm"
+MD5SUM="ae1ce873fa589e2d07fb59560ad6f4c8"
+DOWNLOAD_x86_64="http://mirror.centos.org/centos/6/os/x86_64/Packages/grub-0.97-99.el6.x86_64.rpm"
+MD5SUM_x86_64="3228e8139b60800d1ce3d6c84ed4baa2"
+REQUIRES="%README%"
+MAINTAINER="Jan F. Chadima"
+EMAIL="jfch@jagda.eu"

system/grub_legacy/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------------------------------------------------------|
+grub_legacy: grub_legacy (the GRand Unified Bootloader; the legacy version)
+grub_legacy:
+grub_legacy: GNU GRUB is a multiboot boot loader.
+grub_legacy:     This is the legacy version of the GRUB Bootloader.
+grub_legacy:     * It is simple to manage
+grub_legacy:     * It is small
+grub_legacy:     * It is ideal for embedded systems
+grub_legacy:
+grub_legacy: Website: https://www.gnu.org/software/grub/grub-legacy.html
+grub_legacy:
+grub_legacy: