#!/bin/bash

##SlackBuild style build script

CWD=`pwd`
NAME=VirtualBox-OSE
VERSION=1.4.0
ARCH=i586
BUILD=1vl58
VL_PACKAGER=easuter

if [ "$TMP" = "" ]; then
  TMP=/tmp
fi

if [ $UID != 0 ]; then
	echo "You need to be root to run this script."
	exit
fi

if [ ! -d $TMP/finished-packages ]; then
	mkdir -p $TMP/finished-packages
fi

PKG=$TMP/package-$NAME
KMODPKG=$TMP/kmodpackage-$NAME
rm -rf $PKG
rm -rf $KMODPKG
mkdir -p $PKG/usr
mkdir $PKG/install
mkdir -p $KMODPKG/install


if [ "$ARCH" = "i386" ]; then
  export CFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  export CFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i586" ]; then
  export CFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  export CFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  export CFLAGS="-O2"
fi

CXXFLAGS="$CFLAGS"

cd $TMP
rm -rf $NAME-$VERSION
tar xvf $CWD/$NAME-$VERSION.tar.bz2
cd $NAME-$VERSION
chown -R root:root .

#VirtualBox won't build unless it uses a glibc iconv header
if [ ! -f /usr/include/iconv.h-libiconv ]; then
	mv /usr/include/iconv.h /usr/include/iconv.h-libiconv
	cat $CWD/iconv.h-glibc-2.3.6 > /usr/include/iconv.h
fi

./configure --without-hal --with-qt-dir=/usr/lib/qt

source env.sh
kmk all -j3

if ( ! kmk ); then
	echo "make failed"
	exit
fi
	
#Build the stable kernel module

cd out/linux.x86/release/bin/src
make

if ( ! make ); then
	echo "error building kernel module!"
	exit
fi

cd $TMP/$NAME-$VERSION
cp $CWD/slack-desc .

cat >> slack-desc << EOF

#----------------------------------------

BUILDDATE: `date`
PACKAGER:  $VL_PACKAGER
HOST:      `uname -srm`
DISTRO:    `cat /etc/vector-version`
CFLAGS:    $CFLAGS
CONFIGURE: `awk "/\.\/configure\ /" config.log`

EOF

#Create the VirtualBox package first, then the kernel module package

mkdir -p $PKG/opt/$NAME-$VERSION
mkdir $PKG/opt/$NAME-$VERSION/bin
mkdir $PKG/opt/$NAME-$VERSION/kmod-src
mkdir -p $PKG/usr/bin
mkdir -p $PKG/usr/share/applications
mkdir $PKG/usr/share/pixmaps
cp -r out/linux.x86/release/bin/src/* $PKG/opt/$NAME-$VERSION/kmod-src/
rm -f $PKG/opt/$NAME-$VERSION/kmod-src/*.o \
	$PKG/opt/$NAME-$VERSION/kmod-src/*.ko
cat $CWD/vl-kmod-build.sh > $PKG/opt/$NAME-$VERSION/kmod-src/vl-kmod-build.sh
chmod 755 $PKG/opt/$NAME-$VERSION/kmod-src/vl-kmod-build.sh
cat $CWD/vl-kmod-README > $PKG/opt/$NAME-$VERSION/kmod-src/README
cp -r out/linux.x86/release/bin $PKG/opt/$NAME-$VERSION/
cp -r out/linux.x86/release/lib $PKG/opt/$NAME-$VERSION/
rm -rf $PKG/opt/$NAME-$VERSION/bin/src
rm -rf $PKG/opt/$NAME-$VERSION/bin/*.ko
cat $CWD/virtualbox.sh > $PKG/usr/bin/virtualbox
chmod 755 $PKG/usr/bin/virtualbox
cat $CWD/virtualbox.desktop > \
	$PKG/usr/share/applications/virtualbox.desktop
cat $CWD/vbox_logo.png > $PKG/usr/share/pixmaps/vbox_logo.png

( 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 $PKG/usr/doc/$NAME-$VERSION
cp -a \
  AUTHORS COPYING ChangeLog NEWS README TODO \
  $PKG/usr/doc/$NAME-$VERSION
cp slack-desc $PKG/install

cd $PKG
cat $CWD/doinst.sh_main > install/doinst.sh
cat $CWD/slack-required_main > install/slack-required
makepkg -p -l y -c n $NAME-$VERSION-$ARCH-$BUILD.tlz

cp $NAME-$VERSION-$ARCH-$BUILD.tlz $TMP/finished-packages
echo "$NAME-$VERSION package is in $TMP/finished-packages"

#Build the kernel module package (this will be the same as the box it was
#built on, so make sure you are using a stock kernel!
cd -

mkdir -p $KMODPKG/lib/modules/`uname -r`/misc
cp out/linux.x86/release/bin/src/vboxdrv.ko \
	$KMODPKG/lib/modules/`uname -r`/misc
cd $KMODPKG
cat $CWD/doinst.sh_kmod > install/doinst.sh
echo "VirtualBox-OSE >= 1.4.0" > install/slack-required
cat >> install/slack-desc << EOF
VirtualBox-OSE-kmod: VirtualBox kernel module
VirtualBox-OSE-kmod: 
VirtualBox-OSE-kmod: For use with kernel `uname -r` only!
VirtualBox-OSE-kmod: 
VirtualBox-OSE-kmod: Website: http://www.virtualbox.org/
VirtualBox-OSE-kmod: License: GNU General Public License, version 2

EOF

makepkg -p -l y -c n $NAME-kmod-${VERSION}_`uname -r`-$ARCH-$BUILD.tlz
mv $NAME-kmod-${VERSION}_`uname -r`-$ARCH-$BUILD.tlz /tmp/finished-packages
echo "$NAME-kmod-${VERSION}_`uname -r` is in /tmp/finshed_packages"

rm -rf $TMP/$NAME-$VERSION
rm -rf $PKG
rm -rf $KMODPKG
rm /usr/include/iconv.h
mv /usr/include/iconv.h-libiconv /usr/include/iconv.h