# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
# Nonofficial ebuild by Ycarus, additions by Oliver Schneider. For new version look here : http://gentoo.zugaina.org/
# This ebuild is a modification of the official qemu ebuild
# Some patch can be appliqued :
# - aog  (http://www.boblycat.org/~malc/code/patches/qemu/)
# - vvfat (http://libvncserver.sourceforge.net/qemu/)


ECVS_SERVER="savannah.gnu.org:/cvsroot/qemu"
ECVS_MODULE="qemu"
ECVS_AUTH="ext"
ECVS_USER="anoncvs"
ECVS_TOP_DIR="${DISTDIR}/cvs-src/${PN}"

inherit cvs eutils

S=${WORKDIR}/${ECVS_MODULE}



DESCRIPTION="Multi-platform & multi-targets cpu emulator and dynamic translator. CVS version with QEMU Accelerator Module (kqemu) and QVM86"
DESCRIPTION_FR="Emulateur multi-plateforme et multi-cpu. Version CVS avec le module d'acceleration (QEMU Accelerator Module, kqemu) et QVM86"
HOMEPAGE="http://fabrice.bellard.free.fr/qemu/"

LICENSE="GPL-2 LGPL-2.1"
SLOT="0"
KEYWORDS="~x86 ~ppc -alpha -sparc ~amd64"
IUSE="softmmu sdl kqemu vvfat aog qvm86" # nptl qemu-fast nptlonly"
RESTRICT="nostrip"

DEPEND="virtual/libc
	sdl? ( media-libs/libsdl )
	app-text/texi2html
	!app-emulation/qemu"
RDEPEND=""

set_target_list() {
	TARGET_LIST="arm-user i386-user ppc-user sparc-user" #i386-softmmu ppc-softmmu
	use softmmu && TARGET_LIST="${TARGET_LIST} i386-softmmu ppc-softmmu"
	export TARGET_LIST
}

src_compile() {
    if use kqemu; then
        wget http://fabrice.bellard.free.fr/qemu/kqemu-0.6.2-1.tar.gz
	tar xzvf kqemu-0.6.2-1.tar.gz
        rm kqemu-0.6.2-1.tar.gz
	cd kqemu
        rm install.sh
	touch install.sh
        chmod u+x install.sh
	cd ..
    fi
    if use qvm86; then
	tar xjvf ${FILESDIR}/qvm86_module-snapshot-2005-04-19_23.tar.bz2
	mv qvm86_module-snapshot-2005-04-19_23 qvm86
	cat qvm86/patch.qvm86 | patch -p0
        rm qvm86/install.sh
	touch qvm86/install.sh
        chmod u+x qvm86/install.sh
    fi

    if use vvfat; then
	wget http://libvncserver.sourceforge.net/qemu/qemu-vvfat5.patch.gz
	gunzip qemu-vvfat5.patch.gz
	patch -p1 < qemu-vvfat5.patch
    fi
    if use aog; then
	wget http://www.boblycat.org/~malc/code/patches/qemu/4_aog_qemu.patch.gz
	gunzip 4_aog_qemu.patch.gz
	patch -p1 < 4_aog_qemu.patch
    fi
    set_target_list
    ./configure \
    	--prefix=/usr \
    	--target-list="${TARGET_LIST}" \
	--enable-slirp \
	`use_enable sdl`\
	|| die "could not configure"
    make || die "make failed"
}

src_install() {
    make install \
	prefix=${D}/usr \
	bindir=${D}/usr/bin \
	datadir=${D}/usr/share/qemu \
	docdir=${D}/usr/share/doc/${P} \
	mandir=${D}/usr/share/man || die
    chmod -x ${D}/usr/share/man/*/*
    if use kqemu; then
	cd kqemu
	if [ -f kqemu.ko ] ; then
	    module=kqemu.ko
	else
	    module=kqemu.o
	fi
	kernel_path="/lib/modules/`uname -r`"
	dodir ${kernel_path}/misc
	insinto ${kernel_path}/misc
	doins ${module}
    fi
    if use qvm86; then
	cd qvm86
	if [ -f qvm86.ko ] ; then
	    module=qvm86.ko
	else
	    module=qvm86.o
	fi
	kernel_path="/lib/modules/`uname -r`"
	dodir ${kernel_path}/misc
	insinto ${kernel_path}/misc
	doins ${module}
    fi
}

pkg_postinst() {
	einfo "You will need the Universal TUN/TAP driver compiled into"
	einfo "kernel or as a module to use the virtual network device."
	use softmmu || \
	(
	ewarn "You have the softmmu useflag disabled."
	ewarn "In order to have the full system emulator (qemu) you have"
	ewarn "to emerge qemu again with the softmmu useflag enabled"
	)
	if use kqemu; then
	    /sbin/depmod -a
	    einfo ""
	    ewarn "Create the kqemu device :"
	    ewarn "mknod /dev/kqemu c 250 0"
	    ewarn "chmod 666 /dev/kqemu"
	    einfo ""
	fi
	if use qvm86; then
	    /sbin/depmod -a
	    einfo ""
	    ewarn "Create the qvm86 device :"
	    ewarn "mknod /dev/qvm86 c 222 0"
	    ewarn "chmod 666 /dev/qvm86"
	    einfo ""
	fi
}