libraries/libjpeg-turbo: Added (accelerated libjpeg)

libraries/libjpeg-turbo/README

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+libjpeg-turbo is a version of libjpeg which uses MMX, SSE, and SSE2
+SIMD instructions to accelerate baseline JPEG compression and
+decompression by about 2-4x on x86 and x86-64 platforms. It is based
+on libjpeg/SIMD but has numerous enhancements.
+

libraries/libjpeg-turbo/libjpeg-turbo.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for libjpeg-turbo
+
+# Written by V'yacheslav Stetskevych <slava18 dont_spam_me gmail com>
+
+PRGNAM=libjpeg-turbo
+VERSION=${VERSION:-0.0.91}
+ARCH=${ARCH:-i486}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+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"
+fi
+
+set -e
+
+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 . \
+ \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
+ -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
+ -exec chmod 644 {} \;
+
+# In order to install libjpeg-turbo globally, run ./configure like this
+# (To revert back, simply reinstall slackware's libjpeg package):
+# ./configure \
+# --prefix=/usr \
+# --libdir=/usr/lib${LIBDIRSUFFIX}
+# Otherwise, use LD_LIBRARY_PATH to override it for individual applications.
+
+CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS" \
+./configure
+
+make
+make install-strip DESTDIR=$PKG
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a \
+  BUILDING.txt ChangeLog.txt LGPL.txt LICENSE.txt 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
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

libraries/libjpeg-turbo/libjpeg-turbo.info

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+PRGNAM="libjpeg-turbo"
+VERSION="0.0.91"
+HOMEPAGE="http://libjpeg-turbo.virtualgl.org"
+DOWNLOAD="http://downloads.sourceforge.net/libjpeg-turbo/libjpeg-turbo-0.0.91.tar.gz"
+MD5SUM="21c35a6bcb0e7878977c4f1e0f2ed380"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+MAINTAINER="V'yacheslav Stetskevych"
+EMAIL="slava18@gmail.com"
+APPROVED="dsomero"

libraries/libjpeg-turbo/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 ':'.
+
+             |-----handy-ruler------------------------------------------------------|
+libjpeg-turbo: libjpeg-turbo (accelerated libjpeg)
+libjpeg-turbo:
+libjpeg-turbo: libjpeg-turbo is a version of libjpeg which uses MMX, SSE, and SSE2
+libjpeg-turbo: SIMD instructions to accelerate baseline JPEG compression and
+libjpeg-turbo: decompression by about 2-4x on x86 and x86-64 platforms. It is based
+libjpeg-turbo: on libjpeg/SIMD but has numerous enhancements.
+libjpeg-turbo: See README-turbo.txt in /usr/doc/libjpeg-turbo* for usage hints.
+libjpeg-turbo:
+libjpeg-turbo: Homepage: http://libjpeg-turbo.virtualgl.org
+libjpeg-turbo:
+libjpeg-turbo: