# Contributor: Shanmu Thiagaraja <sthiagaraja+AUR@prshanmu.com>
# Contributor: Limao Luo
# Contributor: Luceo
# Contributor: Revellion
# Maintainer (Parabola): André Silva <emulatorman@parabola.nu>

pkgname=xen
pkgver=4.2.1
pkgrel=6
pkgdesc="Xen Hypervisor & Tools (Parabola rebranded)"
arch=(i686 x86_64)
url=http://www.xen.org/
license=(GPL2)
depends=(bin86 bluez bridge-utils glib2 gnutls libaio libjpeg-turbo libpng lzo2 sdl wget vde2 yajl)
[[ "$CARCH" == "x86_64" ]] && depends+=(lib32-glibc)
makedepends=(dev86 git iasl markdown ocaml-findlib)
optdepends=('xen-docs: Official Xen Documentation')
conflicts=(xen-4.2{,-testing-hg} xen-{gdbsx,hg-unstable,rc})
backup=(etc/$pkgname/xend-{config,pci-{permissive,quirks}}.sxp etc/modules-load.d/$pkgname.conf etc/$pkgname/xl.conf)
options=(!buildflags !strip)
install=$pkgname.install
source=(http://bits.xensource.com/oss-xen/release/$pkgver/$pkgname-$pkgver.tar.gz
    09_xen
    gcc-4.8-typedefs.patch
    gdbsx-glibc-2.17.patch
    texi2html.patch
    timer-add-lrt-lm.patch
    qemu-makefile.patch
    proc-xen.mount
    var-lib-xenstored.mount
    xenconsoled.service
    xendomains.service
    xendomU@.service
    xenstored.service
    tmpfiles.d-$pkgname.conf
    $pkgname.conf)

prepare() {
    cd $pkgname-$pkgver/
    patch -Np1 -i ../gcc-4.8-typedefs.patch
    patch -Np1 -i ../gdbsx-glibc-2.17.patch
    patch -Np1 -i ../texi2html.patch
    patch -Np1 -i ../timer-add-lrt-lm.patch
    patch -Np1 -i ../qemu-makefile.patch
    sed -i '203i\\t\t--disable-docs \\' tools/Makefile # disable qemu doc generation b/c of an error
}

build() {
    export CFLAGS+='-Wall -Wstrict-prototypes -Wno-unused-local-typedefs -Wno-sizeof-pointer-memaccess'
    cd $pkgname-$pkgver/
    ./autogen.sh
    ./configure PYTHON=/usr/bin/python2
    unset CFLAGS
}

package() {
    cd $pkgname-$pkgver/

    make DESTDIR="$pkgdir" LANG=C PYTHON=python2 install-{xen,tools,stubdom}

    cd ../
    for f in ${source[@]}; do
        [[ $f =~ .mount || $f =~ .service ]] && install -Dm644 $f "$pkgdir"/usr/lib/systemd/system/$f
    done
    install -Dm644 tmpfiles.d-$pkgname.conf "$pkgdir"/usr/lib/tmpfiles.d/$pkgname.conf
    install -Dm644 $pkgname.conf "$pkgdir"/etc/modules-load.d/$pkgname.conf
    install -Dm755 09_xen "$pkgdir"/etc/grub.d/09_xen

    cd "$pkgdir"
    sed -i ':XENDOM_CONFIG=/etc/:s:sysconfig/xendomains:conf.d/xendomains:' etc/init.d/xendomains
    sed -i 's:touch /var/lock/subsys/xend:mkdir -p /var/lock/subsys\n       &:' etc/init.d/xend

    if [[ -d usr/lib64 ]]; then
        cd usr/
        cp -r lib64/* lib/
        rm -rf lib64
    fi

    mv etc/{init,rc}.d

    mv usr/local/etc/qemu/ etc/
    rm -rf usr/local/share/
    mv etc/rc.d/xendomains etc/xen/scripts/xendomains

    ##### Kill unwanted stuff #####
    # stubdom: newlib
    rm -rf usr/*-xen-elf

    # hypervisor symlinks
    rm -f boot/xen{,-4,-4.2}.gz

    # silly doc dir fun
    rm -rf usr/share/doc/xen
    rm -rf usr/share/doc/qemu

    # Pointless helper
    rm -f usr/sbin/xen-python-path

    # qemu stuff (unused or available from upstream)
    rm -rf usr/share/xen/man
    rm -rf usr/bin/qemu-*-xen
    for file in bamboo.dtb bios.bin openbios-ppc openbios-sparc32 openbios-sparc64 \
        ppc_rom.bin pxe-e1000.bin pxe-ne2k_pci.bin pxe-pcnet.bin pxe-rtl8139.bin \
        vgabios-cirrus.bin vgabios.bin video.x; do
        rm -f usr/share/xen/qemu/$file
    done

    # adhere to Static Library Packaging Guidelines
    rm -rf usr/lib/*.a

    # Fix errors from deprecated xend
    rm etc/udev/rules.d/xend.rules

    rmdir usr/local/etc etc/xen/auto var/xen/dump var/lock/subsys usr/share/doc var/lib/xen/xenpaging var/run/xend/boot var/log/xen
}
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