#!/bin/sh

# Heavily based on the Slackware 13.37 SlackBuild (v1)

# Written by Loris Vincenzi (http://www.slacky.eu)
# Last build from atomix600 (atomix600(at)hotmail(dot)it)

# Slackware build script for p7zip
# Official Site: http://p7zip.sourceforge.net
 
# 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.

set -e

PKGNAME=${PKGNAME:-p7zip}
VERSION=${VERSION:-9.20.1}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-sl}
PKGTYPE=${PKGTYPE:-txz}
SOURCE=${SOURCE:-http://leaseweb.dl.sourceforge.net/project/$PKGNAME/$PKGNAME/$VERSION/${PKGNAME}_${VERSION}_src_all.tar.bz2}

CWD=$(pwd)
TMP=${TMP:-/tmp/buildpkgs/$PKGNAME}
PKG=${PKG:-$TMP/package-$PKGNAME}
OUTPUT=${OUTPUT:-$CWD}

if [ ! -e $CWD/${PKGNAME}_${VERSION}_src_all.tar.bz2 ]; then
    wget $SOURCE
fi

CHOST=i486
if [ $ARCH = i486 ]; then
    SLKCFLAGS="-O2 -march=i486 -mtune=i686"
    LIBDIRSUFFIX==""
elif [ $ARCH = i586 ]; then
    SLKCFLAGS="-O2 -march=i586 -mtune=i686"
    LIBDIRSUFFIX=""
elif [ $ARCH = i686 ]; then
    SLKCFLAGS="-O2 -march=i686 -mtune=i686"
    LIBDIRSUFFIX=""
elif [ $ARCH = x86_64 ]; then
    SLKCFLAGS="-O2 -fPIC"
    LIBDIRSUFFIX="64"
    CHOST=x86_64
fi

rm -rf $TMP
mkdir -p $TMP $PÈKG $OUTPUT

cd $TMP
tar xjvf $CWD/${PKGNAME}_${VERSION}_src_all.tar.bz2
cd ${PKGNAME}_${VERSION}
chmod -R u+w,go+r-w,a-s .
chown -R root:root .

case $CHOST in
    x86_64)
    cp -f makefile.linux_amd64 makefile.machine
    ;;
    
    s390)
    cp -f makefile.linux_s390x makefile.machine
    ;;

    i?86)
    cp -f makefile.linux_x86_asm_gcc_4.X makefile.machine
    ;;
esac

sed -i "s|^OPTFLAGS=.*|OPTFLAGS=$SLKCFLAGS |g" makefile.machine

make all3

sed -i "s|DEST_HOME=.*|DEST_HOME=$PKG/usr|g" install.sh

./install.sh

mkdir -p $PKG/usr/lib/p7zip/
cp bin/7z.so $PKG/usr/lib/p7zip/
chmod 555 $PKG/usr/lib/p7zip/7z.so
mkdir -p $PKG/usr/share/mc/extfs/
cp contrib/VirtualFileSystemForMidnightCommander/u7z $PKG/usr/share/mc/extfs/
chmod 644 $PKG/usr/share/mc/extfs/u7z

sed -i "s|$PKG/usr|/usr|g" $PKG/usr/bin/7z
sed -i "s|$PKG/usr|/usr|g" $PKG/usr/bin/7za
sed -i "s|$PKG/usr|/usr|g" $PKG/usr/bin/7zr

mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION
cp -a \
    ChangeLog DOCS/* README TODO \
    $PKG/usr/doc/$PKGNAME-$VERSION
rm -rf $PKG/usr/share/doc/
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/$PKGNAME.SlackBuild
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/slack-desc

sed -i "s|$PKG/usr/share/doc/p7zip/DOCS|/usr/doc/$NAME-$VERSION|g" $PKG/usr/man/man1/7z.1
sed -i "s|$PKG/usr/share/doc/p7zip/DOCS|/usr/doc/$NAME-$VERSION|g" $PKG/usr/man/man1/7za.1
sed -i "s|$PKG/usr/share/doc/p7zip/DOCS|/usr/doc/$NAME-$VERSION|g" $PKG/usr/man/man1/7zr.1

if [ -d $PKG/usr/man ]; then
    ( cd $PKG/usr/man
      find . -type f -exec gzip -9 {} \;
      for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
    )
fi

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
)

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
chown -R root:root $PKG

if [ -x "$(which requiredbuilder 2>/dev/null)" ]; then
    requiredbuilder -y -v -s $CWD $PKG
fi

/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE

if [ "$1" = "--cleanup" ]; then
    rm -rf $TMP
fi