# Maintainer (Arch:qemu): Tobias Powalowski <tpowa@archlinux.org>
# Contributor (Arch:qemu): Sébastien "Seblu" Luttringer <seblu@seblu.net>
# Maintainer: Luke Shumaker <lukeshu@parabola.nu>
# Contributor: Márcio Silva <coadde@hyperbola.info>

_pkgbase=qemu
pkgname=(qemu-user-static qemu-user-static-binfmt)
pkgdesc="A generic and open source machine emulator and virtualizer"
pkgver=2.11.0
pkgrel=3.parabola1
arch=(x86_64)
arch+=(i686 armv7h)
license=(GPL2 LGPL2.1)
url="http://wiki.qemu.org/"
makedepends=(pixman-static glib2-static pcre-static python2)
source=("$url/download/${_pkgbase}-${pkgver}.tar.bz2"{,.sig}
        0001-linux-user-Use-if-to-only-call-validate_guest_space-.patch
        0002-linux-user-Rename-validate_guest_space-init_guest_co.patch
        0003-linux-user-init_guest_space-Clean-up-if-we-can-t-ini.patch
        0004-linux-user-init_guest_space-Correctly-handle-guest_s.patch
        0005-linux-user-init_guest_space-Clarify-page-alignment-l.patch
        0006-linux-user-init_guest_commpage-Add-a-comment-about-s.patch
        0007-linux-user-init_guest_space-Clean-up-control-flow-a-.patch
        0008-linux-user-init_guest_space-Don-t-try-to-align-if-we.patch
        0009-linux-user-init_guest_space-Add-a-comment-about-sear.patch
        0010-linux-user-init_guest_space-Try-to-make-ARM-space-co.patch
        allow_elf64.patch)
sha256sums=('c4f034c7665a84a1c3be72c8da37f3c31ec063475699df062ab646d8b2e17fcb'
            'SKIP'
            '9953a8debd9456adb4f5968817fa89da4d4542e44980a5533ccf86371d819845'
            'a977e9295daa14a9c73258cf16399eb5af66382217f8a4e69951ec044131a7ce'
            'dba2cfeb24841d45936091319957ee6f65e481da3c761791d410d3b8e6799998'
            '75b3bda6752c4bf17488489f898767b6772b10ecc5d1f0a5bc1bd831e99a31e3'
            '731895a8ed6f6d322bb60764b01cf09e0ea762d7d53fc01e91c2d2aecfdc8844'
            '69b37040f52ef86b86c7c2952eb3f85f3c67d7adf289c43fdac8c71827c6e5b9'
            '76f88850b0f52450eecb80029ffe16db6f418cec3b58231aca354cc20bbfb16a'
            '76944d84990cc76e47c381849c683a346c5234bcebbe4c24334d0fd8368482db'
            '7845867348fd380def28c7fe023e54cee8ff88cd6754aae3ab3472149cfbde51'
            '1953e7cac58c23526d007d8559410e0042d4a7c1b8cbd5f4c0543f7f876436dd'
            '13a6d9e678bdc9e1f051006cfd0555f5a80582368f54c8a1bb5a78ece3832ac4')
validpgpkeys=('CEACC9E15534EBABB82D3FA03353C9CEF108B584')

case $CARCH in
  i?86) _corearch=i386 ;;
  x86_64) _corearch=x86_64 ;;
esac

prepare() {
  mkdir build-static
  mkdir -p extra-arch-static/usr/{bin,share/qemu}

  cd ${_pkgbase}-${pkgver}
  sed -i 's/vte-2\.90/vte-2.91/g' configure

  # https://bugs.launchpad.net/qemu/+bug/1740219
  # https://lists.nongnu.org/archive/html/qemu-devel/2017-12/msg05237.html
  local patchfile
  for patchfile in ../????-linux-user-*.patch; do
    patch -p1 < "$patchfile"
  done

  patch -p1 < ../allow_elf64.patch
}

build() {
  local flags=(
    --static
    --disable-system # disable building qemu-system-$CPU, we only want qemu-$CPU
    --disable-guest-agent # disable building qemu-ga
    --disable-tools # disable building the qemu-{io,nbd,img} tools
    --disable-blobs # disable installing firmware files used by system
    --disable-docs
    --disable-modules # modules imply dynamic linking

    # jemalloc-static isn't packaged
    --disable-jemalloc

    # These libraries are only used for system or tools, but even
    # though that's disabled, libqemuutil.a still tries to link
    # against them unless we specifically tell it not to (the linkage
    # would be removed at the final linker's tree-shaking).
    --disable-gcrypt
    --disable-nettle
  )
  _build static "${flags[@]}" \
    --audio-drv-list= \
    --disable-bluez \
    --disable-sdl \
    --disable-gtk \
    --disable-vte \
    --disable-opengl \
    --disable-virglrenderer
}

_build() (
  cd build-$1

  # qemu vs. make 4 == bad
  export ARFLAGS=rv

  # http://permalink.gmane.org/gmane.comp.emulators.qemu/238740
  export CFLAGS+=" -fPIC"

  ../${_pkgbase}-${pkgver}/configure \
    --prefix=/usr \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --libexecdir=/usr/lib/qemu \
    --python=/usr/bin/python2 \
    --smbd=/usr/bin/smbd \
    --with-gtkabi=3.0 \
    --with-sdlabi=2.0 \
    --enable-modules \
    --enable-jemalloc \
    "${@:2}"

  make
)

package_qemu-user-static() {
  pkgdesc="QEMU user-mode emulation (static binaries)"

  provides=("qemu-static=$pkgver")
  replaces=(qemu-static)
  conflicts=(qemu-static)

  _package static

  rm -vr -- \
     "$pkgdir"/usr/lib/ \
     "$pkgdir"/usr/share/

  local prog
  for prog in "$pkgdir"/usr/bin/*; do
    mv -nT -- "$prog" "${prog%-static}-static"
  done
}

_package() {
  options=(!strip)

  make -C build-$1 DESTDIR="$pkgdir" install "${@:2}"

  cd "$pkgdir"/usr/bin
  tidy_strip
}

package_qemu-user-static-binfmt() {
  pkgdesc="binfmt registration for QEMU user-mode emulation"
  depends=("qemu-user-static=$pkgver")

  provides=("binfmt-qemu-static=$pkgver")
  replaces=('binfmt-qemu-static')
  conflicts=('binfmt-qemu-static')

  cd ${_pkgbase}-${pkgver}

  install -d "$pkgdir"/usr/lib/binfmt.d

  < scripts/qemu-binfmt-conf.sh \
    sed -e 's/^CHECK=.*/CHECK=qemu_check_systemd/' \
        -e 's/^BINFMT_SET=.*/BINFMT_SET=qemu_generate_systemd/' \
  | sh /dev/stdin \
       --qemu-path /usr/bin \
       --exportdir "$pkgdir"/usr/lib/binfmt.d \
       --credential yes

  # add the "-static" suffix
  sed -i 's/:[^:]*$/-static&/' --  "$pkgdir"/usr/lib/binfmt.d/*.conf
}