Re: [Xen-devel] [PATCH 4/9] raisin: add a component to build qemu_traditional

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 15 Apr 2015, Andrew Cooper wrote:
# 
> On 15/04/15 16:14, Stefano Stabellini wrote:
> > Introduce a component to build qemu-traditional out of xen-unstable.
> > Do not compile qemu-traditional from xen-unstable by passing the right
> > command line option to configure.
> >
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > ---
> >  components/qemu_traditional |   49 
> > +++++++++++++++++++++++++++++++++++++++++++
> >  components/series           |    1 +
> >  components/xen              |    3 ++-
> >  defconfig                   |    2 ++
> >  4 files changed, 54 insertions(+), 1 deletion(-)
> >  create mode 100644 components/qemu_traditional
> >
> > diff --git a/components/qemu_traditional b/components/qemu_traditional
> > new file mode 100644
> > index 0000000..cb71c94
> > --- /dev/null
> > +++ b/components/qemu_traditional
> > @@ -0,0 +1,49 @@
> > +#!/usr/bin/env bash
> > +
> > +function qemu_traditional_check_package() {
> > +    local DEP_Debian_common="build-essential zlib1g-dev pciutils-dev 
> > pkg-config \
> > +              libncurses5-dev"
> > +    local DEP_Debian_x86_32="$DEP_Debian_common"
> > +    local DEP_Debian_x86_64="$DEP_Debian_common"
> > +    local DEP_Debian_arm32="$DEP_Debian_common"
> > +    local DEP_Debian_arm64="$DEP_Debian_common"
> > +
> > +    local DEP_Fedora_common="make gcc zlib-devel ncurses-devel 
> > pciutils-devel"
> > +    local DEP_Fedora_x86_32="$DEP_Fedora_common"
> > +    local DEP_Fedora_x86_64="$DEP_Fedora_common"
> > +
> > +    echo Checking QEMU dependencies
> > +    eval check-package \$DEP_"$DISTRO"_"$ARCH"
> > +}
> > +
> > +function qemu_traditional_build() {
> > +    cd "$BASEDIR"
> > +    git-checkout $QEMU_TRADITIONAL_UPSTREAM_URL 
> > $QEMU_TRADITIONAL_UPSTREAM_REVISION qemu_traditional-dir
> > +    cd qemu_traditional-dir
> > +
> > +    export CONFIG_BLKTAP1=n
> > +    export XEN_ROOT="$BASEDIR"/xen-dir
> > +    ./xen-setup
> > +    $MAKE all
> > +    $MAKE install DESTDIR="$INST_DIR"
> > +    cd "$BASEDIR"
> > +}
> > +
> > +function qemu_traditional_clean() {
> > +    cd "$BASEDIR"
> > +    if [[ -d qemu_traditional-dir ]]
> > +    then
> > +        cd qemu_traditional-dir
> > +        $MAKE distclean
> > +        cd ..
> > +        rm -rf qemu_traditional-dir
> > +    fi
> > +}
> > +
> > +function qemu_traditional_configure() {
> > +    echo Nothing to configure for qemu_traditional
> > +}
> > +
> > +function qemu_traditional_unconfigure() {
> > +    echo Nothing to unconfigure for qemu_traditional
> > +}
> > diff --git a/components/series b/components/series
> > index 8f614f0..d21243a 100644
> > --- a/components/series
> > +++ b/components/series
> > @@ -1,4 +1,5 @@
> >  xen
> >  qemu
> > +qemu_traditional
> >  grub
> >  libvirt
> > diff --git a/components/xen b/components/xen
> > index dcf2f92..9fdf37f 100644
> > --- a/components/xen
> > +++ b/components/xen
> > @@ -23,7 +23,8 @@ function xen_build() {
> >      cd "$BASEDIR"
> >      git-checkout $XEN_UPSTREAM_URL $XEN_UPSTREAM_REVISION xen-dir
> >      cd xen-dir
> > -    ./configure --prefix=$PREFIX 
> > --with-system-qemu=/usr/bin/qemu-system-i386
> > +    ./configure --prefix=$PREFIX 
> > --with-system-qemu=/usr/bin/qemu-system-i386 \
> > +        --disable-qemu-traditional
> 
> This does more than just what you want.
> 
> It also tells libxl that qemu-trad does not exist which compiles out any
> ability to use qemu-trad as a device model.

Actually that is not true: it is not possible to specify where your
separately built qemu-traditional binary is with
--disable-qemu-traditional, but if you place it under /usr/lib/xen/bin,
libxl will pick it up automatically.

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