#!/bin/sh
# Copyright Loris Vincenzi (http://www.slacky.eu)
# All rights reserved.
#
# Heavily based on the Slackware 13.0 SlackBuild
# http://www.nongnu.org/qemu/about.html
#
# 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.

CWD=`pwd`
TMP=${TMP:-/tmp/txz}
PKG=$TMP/package-qemu
NAME=qemu
VERSION=0.12.3
ARCH=${ARCH:-i686}
BUILD=1lkr

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "coreduo" ]; then
  SLKCFLAGS="-march=prescott -O2 -pipe -fomit-frame-pointer"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
fi

if [ ! -d $TMP ]; then
 mkdir -p $TMP
fi
if [ ! -d $PKG ]; then
 mkdir -p $PKG
fi

cd $TMP
tar xzvf $CWD/$NAME-$VERSION.tar.gz
cd $NAME-$VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-s .
LDFLAGS="$SLKCFLAGS" \
CFLAGS="$SLKCFLAGS" \
./configure \
--prefix=/usr \
--enable-kvm \
--enable-curses \
--enable-linux-user \
--enable-io-thread \
--enable-system \
--enable-uname-release=R
make || exit 1
make install DESTDIR=$PKG || exit 1
mkdir -p $PKG/usr/doc/$NAME-$VERSION
cp -a README COPYING* Changelog LICENSE TODO VERSION $PKG/usr/doc/$NAME-$VERSION
cp -a $PKG/usr/share/doc/$NAME/* $PKG/usr/doc/$NAME-$VERSION
rm -rf $PKG/usr/share/doc
mkdir -p $PKG/usr/man
mv $PKG/usr/share/man/man1 $PKG/usr/man
rm -rf $PKG/usr/share/man
find $PKG/usr/man -type f -exec gzip -9 {} \;
cd $PKG
find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/slack-desc > $PKG/usr/doc/$NAME-$VERSION/slack-desc
cat $CWD/$NAME.SlackBuild > $PKG/usr/doc/$NAME-$VERSION/$NAME.SlackBuild
requiredbuilder -v -y -s $CWD $PKG
makepkg -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.txz

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