#!/bin/bash
#
#  qemu.SlackBuild is free software; you can redistribute it and/or modify it under the
#  terms of the GNU General Public License as published by the Free Software
#  Foundation; either version 2 of the License, or any later version.
#
#  qemu.SlackBuild is distributed in the hope that it will be useful, but WITHOUT ANY
#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License along with
#  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
#  Place - Suite 330, Boston, MA 02111-1307, USA
#

# default settings
PACKAGE="qemu"
PACKAGE_EXT="bz2"
VERSION=${VERSION:=3.1.0}
BUILD=${BUILD:=1}

if [ -f ~/.slackbuildrc ]; then
  . ~/.slackbuildrc
elif [ -f ../../runtime/slackbuildrc ]; then
  . ../../runtime/slackbuildrc
fi

check_required

SRC="$PACKAGE-$VERSION.tar.$PACKAGE_EXT"
URL="http://wiki.qemu.org/download/$SRC"

get_source $SRC $URL
unpack_source $SRC $PACKAGE-$VERSION

# Enable only x86* and arm emulation for qemu: if you want to build
# all the targets available use TARGETS=all
if [ "${TARGETS:-all}" = "all" ]; then
  targets=""
else
  targets="--target-list=i386-softmmu,x86_64-softmmu,i386-linux-user,x86_64-linux-user,arm-softmmu,arm-linux-user,armeb-linux-user"
fi

KVMGROUP=${KVMGROUP:-users}

# Needed to build man pages if built after plain "su"
export PATH=$PATH:/usr/share/texmf/bin

# Remove double CFLAGS
sed -i "s|^\ \ CFLAGS=\"-O2\ |  CFLAGS=\"|" configure || exit 1

# check if spice is there
if pkg-config --exists spice-server ; then
  with_spice="--enable-spice"
else
  with_spice="--disable-spice"
fi

# check if usbredir is there
if pkg-config --exists libusbredirhost ; then
  with_usbredir="--enable-usb-redir"
else
  with_usbredir="--disable-usb-redir"
fi

# check if device-tree-compiler is installed
if ls /var/log/packages/device-tree-compiler-* 1>/dev/null 2>/dev/null ; then
  with_fdt="--enable-fdt"
else
  with_fdt=""
fi

# --libdir is recognized but not advertised in --help
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PACKAGE-$VERSION \
  --enable-sdl \
  --enable-gtk \
  --enable-system \
  --enable-kvm \
  --enable-vde \
  --disable-debug-info \
  --audio-drv-list=alsa,oss,sdl,pa \
  $targets \
  $with_spice \
  $with_usbredir \
  $with_fdt


make -j5 V=1 OS_CFLAGS="$SLKCFLAGS"

make install DESTDIR=$PKG

# let ordinary users use this
chmod u+s $PKG/usr/libexec/qemu-bridge-helper

# install some udev rules for /dev/kvm
mkdir -p $PKG/lib/udev/rules.d/
sed "s/@GROUP@/$KVMGROUP/" $CWD/65-kvm.rules > $PKG/lib/udev/rules.d/65-kvm.rules

# create a symlink for qemu-kvm to support aqemu and such frontends
# even though qemu now has a gtk gui.
if [ "$ARCH" = "i486" ]; then
  KVMARCH="i386"
elif [ "$ARCH" = "i686" ]; then
  KVMARCH="i386"
elif [ "$ARCH" = "x86_64" ]; then
  KVMARCH="x86_64"
fi
[ ! -z $KVMARCH ] && ln -s qemu-system-$KVMARCH $PKG/usr/bin/qemu-kvm

# Add docs to the proper location
mkdir -p $DOCS
cp -a Changelog COPYING* LICENSE MAINTAINERS README qemu-*.html docs/* $DOCS


fixup_package $PKG

# Clean up the extra stuff:
set +u
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/$PACKAGE-$VERSION
  rm -rf $PKG
fi