#!/bin/sh
# Copyright Loris Vincenzi (http://www.slacky.eu)
# All rights reserved.
#
# Heavily based on the Slackware 12.2 SlackBuild
# 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.
# 
# Improved by Massimo Cavalleri (submax)

NAME=p7zip
VERSION=9.04
ARCH=${ARCH:-i486}
BUILD=1sl
CWD=$(pwd)
TMP=${TMP:-/tmp/tgz}
PKG=$TMP/package-$NAME

# download source
if [ ! -e $CWD/${NAME}_${VERSION}_src_all.tar.bz2 ]; then
   wget http://garr.dl.sourceforge.net/sourceforge/p7zip/${NAME}_${VERSION}_src_all.tar.bz2
fi

# clean package directory
rm -rf $PKG
mkdir -p $PKG

# extract source
cd $TMP
tar xjvf $CWD/${NAME}_${VERSION}_src_all.tar.bz2
cd p7zip_$VERSION

# set permissions
chmod -R u+w,go+r-w,a-s .
chown -R root:root .

# set optimizations
case $ARCH in
 "i486") SLKCFLAGS="-O2 -march=i486 -mtune=i686" ; SLKLIBDIR=lib ; CHOST=i486 ;;
 "i686") SLKCFLAGS="-O3 -march=i686 -pipe -fomit-frame-pointer" ; SLKLIBDIR=lib ; CHOST=i486 ;;
 "x86_64_slamd64") SLKCFLAGS="-O2" ; SLKLIBDIR=lib64 ; CHOST=x86_64 ;; # multilib /lib and /lib64
 "x86_64") SLKCFLAGS="-O2" ; SLKLIBDIR=lib ; CHOST=x86_64 ;; # pure /lib only es. sflack
 "s390") SLKCFLAGS="-O2" ; SLKLIBDIR=lib ; CHOST=s390 ;;
esac
if [ "$CHOST" == "x86_64" ]; then
   cp -f makefile.linux_amd64 makefile.machine
elif [ "$CHOST" == "s390" ]; then
   cp -f makefile.linux_s390x makefile.machine
else
   cp -f makefile.linux_x86_ppc_alpha_gcc_4.X makefile.machine
fi
sed -i "s|^OPTFLAGS=.*|OPTFLAGS=$SLKCFLAGS -L/usr/$SLKLIBDIR -L/$SLKLIBDIR|g" makefile.machine

# compile
make all3 || exit
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
# Install mc's virtual filesystem
mkdir -p $PKG/usr/share/mc/extfs/
cp contrib/VirtualFileSystemForMidnightCommander/u7z $PKG/usr/share/mc/extfs/
chmod 644 $PKG/usr/share/mc/extfs/u7z
find $PKG | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
find $PKG | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
sed -i "s|$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

# doc
mkdir -p $PKG/usr/doc/$NAME-$VERSION
cp -a ChangeLog DOCS/* README TODO $PKG/usr/doc/$NAME-$VERSION
rm -rf $PKG/usr/share/doc/
mkdir -p $PKG/usr/doc/$NAME-$VERSION/SlackBuild
cat $CWD/slack-desc > $PKG/usr/doc/$NAME-$VERSION/SlackBuild/slack-desc
cat $CWD/$NAME.SlackBuild > $PKG/usr/doc/$NAME-$VERSION/SlackBuild/$NAME.SlackBuild
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
find $PKG/usr/man -type f -exec gzip -9 {} \;

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

# build tgz's package
cd $PKG
chown -R root:root $PKG
if [ -x "$(which requiredbuilder)" ]; then
   requiredbuilder -y -v -s $CWD $PKG
fi
makepkg -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.tgz

# optional clean
if [ "$1" = "--cleanup" ]; then
   if [ "$TMP" != "/" ]; then
      rm -rf $TMP
   fi
fi