# Copyright 2008, 2009 Daniel Mierswa <impulze@impulze.org>
# Distributed under the terms of the GNU General Public License v2

export_exlib_phases src_prepare src_configure

SUMMARY="A generic and open source machine emulator and virtualizer."
DESCRIPTION="
    When used as a machine emulator, it can run OS and programs made for one
    machine on a different machine. It claims to achieve good performances
    because of dynamic translation.'
"
HOMEPAGE="http://wiki.qemu.org/"

LICENCES="GPL-2"
MYOPTIONS="
    bluetooth
    curl
    doc
    gnutls
    ncurses     [[ description = [ ncurses interface for the virtual machine ] ]]
    pulseaudio
    sasl
    sdl         [[ description = [ SDL interface for the virtual machine and SDL audio module ] ]]
    static
    vde         [[ description = [ Enables support for the Virtual Distributed Ethernet networking system ] ]]
"

DEPENDENCIES="
    build+run:
        bluetooth? ( net-wireless/bluez )
        curl? ( net-misc/curl )
        pulseaudio? ( media-sound/pulseaudio )
        gnutls? ( dev-libs/gnutls )
        ncurses? ( sys-libs/ncurses )
        sasl? ( net-libs/cyrus-sasl )
        sdl? ( media-libs/SDL )
        vde? ( net/vde )
        !app-virtualization/kvm [[
            description = [ It doesn't make sense to install both anymore. ]
            resolution = [ manual ]
        ]]
        !app-virtualization/qemu-kvm [[
            description = [ It doesn't make sense to install both anymore. ]
            resolution = [ manual ]
        ]]
"

REMOTE_IDS="freecode:qemu"

UPSTREAM_CHANGELOG="${HOMEPAGE}/changelog.html"
UPSTREAM_DOCUMENTATION="${HOMEPAGE}/user-doc.html"
UPSTREAM_RELEASE_NOTES="${HOMEPAGE}/index.html"

# TODO: configure creates automagic dependency and static linkage with SDL

qemu_src_configure ()
{
    local audio_drv
    audio_drv+=( alsa )
    option sdl && audio_drv+=( sdl )
    option pulseaudio && audio_drv+=( pa )

    local myconf
    option ncurses || myconf+=( --disable-curses )
    option vde || myconf+=( --disable-vde )
    option bluetooth || myconf+=( --disable-bluez )
    option static && myconf+=( --static )
    option sdl || myconf+=( --disable-sdl )
    option gnutls || myconf+=( --disable-vnc-tls )
    option sasl || myconf+=( --disable-vnc-sasl )
    option doc || myconf+=( --disable-docs )
    option curl || myconf+=( --disable-curl )
    [[ -n "${audio_drv[@]}" ]] && myconf+=( --enable-mixemu )

    edo ./configure \
        --prefix=/usr \
        --host-cc="${BUILD_CC}" \
        --cc="${CC}" \
        --extra-cflags="${CFLAGS}" \
        --extra-ldflags="${LDFLAGS}" \
        --disable-strip \
        --audio-drv-list="$(echo ${audio_drv[@]} | tr ' ' ',')" \
        "${myconf[@]}" \
        $@
}

qemu_src_prepare ()
{
    edo sed \
        -e '/^CFLAGS=/s:-O2 -g::' \
        -e '/^LDFLAGS=/s:-g::' \
        -i configure
}